2010-2012 Ram 6.7L Cummins Fuel, Oil and Air Filter Kit Buyer’s Guide (68157291AA / 5083285AA / 53034051AB)

The Problem: The Bridge Generation Nobody Talks About
The 2010–2012 Ram 2500/3500 6.7L Cummins is the most confusing truck to buy filters for. Period.
In 2010, Dodge introduced the 4th-generation body style. Under the hood, they kept the proven 6.7L Cummins block from the 2007.5–2009 era (notable for being the last 6.7L generation that required **NO DEF/SCR fluid**), but completely redesigned the fuel filtration system. The result? A fuel filter architecture totally different from the earlier 2007–2009 trucks, housed inside a body that parts catalogs routinely misidentify.
Walk into any auto parts store and say “I need a fuel filter for a 2010 Ram 6.7L.” The counter guy will pull up three different part numbers. One will be the old FS43257 cartridge — wrong, that is for 2007–2009. One will be the 2013+ 68197867AA chassis filter — also wrong. And if you are lucky, the third will be the actual 68157291AA. If you are unlucky, they will hand you a 5.9L spin-on and send you home.
Three things make the 2010-2012 uniquely frustrating:
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The fuel filter is 68157291AA — and it looks nothing like the 2007-2009 FS43257. The 2007-2009 uses a bottom-access housing you unscrew from underneath with a 1/2-inch drive. The 2010-2012 uses a top-load cartridge on the driver side. If the YouTube tutorial you found shows someone pulling their fender liner out to reach a filter housing underneath — close the video. That is a 2007-2009.
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The oil filter and air filter stayed the same (5083285AA and 53034051AB), which makes it worse. Parts stores see “same oil filter as 2007” and assume the fuel filter is the same too. It is not.
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The 30,000-mile major service hits all three filters at once. Oil at 7,500 miles, fuel at 15,000, air at 30,000 — and at 30K they overlap. That means three separate trips to three different counters if you buy OEM. Or one box from TruckTok.
What Is Actually in the Box
The TruckTok 2010-2012 6.7L Dodge Ram Maintenance Kit (SKU R-18-01-2/9-02/9-03, $85.50) contains exactly what the three-filter 30,000-mile major service calls for:
| Component | Type | Replaces OEM # | Interval |
|---|---|---|---|
| Fuel Filter | Cartridge (top-load, driver side) | 68157291AA, 68065608AB, MO608, DF99085 | 15,000 mi / 12 mo |
| Oil Filter | Spin-on canister | 5083285AA, MO-285, Wix 57620, PF1070, LF16035, LF3972, PH3976A | 7,500 mi / 6 mo |
| Air Filter | Panel (pleated) | 53034051AB, CA10269, AF27684, PA9959 | 30,000 mi / 24 mo |
The fuel filter is the star of this kit. The 68157291AA cartridge uses a top-load design — the housing stays permanently mounted on the driver side of the engine block near the firewall. You unscrew the lid, lift out the old cartridge, drop in the new one, and tighten. No jack stands. No fender liner removal. No bumping starters. This is the easiest fuel filter change on any 6.7L Cummins platform.
Inside, the cartridge houses pleated cellulose media rated to capture particulates down to 5 microns, plus a water-separating layer that strips out up to 98% of moisture before it reaches the CP3 high-pressure pump. The oil filter is the same 5083285AA spin-on canister that Ram specified for every 6.7L from 2007.5 through 2024 — a silicone anti-drainback valve keeps oil in the filter gallery so the engine has pressure on the first crank, not the fifth. And the air filter is the 53034051AB panel that breathes for 30,000 miles through the factory airbox on the driver side. If you buy the filter by its Fleetguard number — AF27684 — you are buying the same pleated media from the same factory Cummins Filtration has been supplying Ram since 2007. Fleetguard is not an aftermarket brand. It is Cummins’ own filtration division.
What You Actually Pay For: The Competition Breakdown
We compared what it costs to buy these three filters from every major channel. Prices verified July 31, 2026.
Buying Separately on eBay — Mopar OEM
| Platform | Fuel Filter (68157291AA) | Oil Filter (5083285AA) | Air Filter (53034051AB) | Total |
|---|---|---|---|---|
| eBay Mopar OEM | $29.36 (Mopar, 179+ ratings, 5.0★) | $34.99 (Mopar, 70+ sold) | $59.99 (Mopar, 8 sold) | $124.34 |
| eBay Mopar OEM (alt) | $29.99 (Mopar, opened box) | $41.09 (Mopar, 221+ sold) | $20.00 (Mopar, closeout) | $91.08 |
Buying Separately on eBay — Aftermarket/Generic
| Platform | Fuel Filter (68157291AA) | Oil Filter (5083285AA) | Air Filter (53034051AB) | Total |
|---|---|---|---|---|
| eBay generic bulk | $12.85 (no-name, 5 sold) | $25.94 (generic, sold in bulk) | $20.00 (off-brand) | $58.79 |
| eBay generic single | $15.99 (no-brand, 8 sold) | $30.00 (aftermarket avg) | $20.00 (closeout) | $65.99 |
Buying Separately on Amazon
| Platform | Fuel Filter (68157291AA) | Oil Filter (5083285AA) | Air Filter (53034051AB) | Total |
|---|---|---|---|---|
| Amazon Mopar OEM | ~$40.00 (Mopar, free shipping) | $33.39 (Mopar, Prime) | ~$30.00 (Mopar, Prime) | ~$103.39 |
| Amazon Generic Combo | $35.00 (2-pack bundle w/ oil filter, non-OEM) | included in bundle | ~$30.00 (separately) | ~$65.00 |
Buying From a Dealership
| Source | Fuel Filter | Oil Filter | Air Filter | Total |
|---|---|---|---|---|
| Mopar dealer (MSRP) | $55.00 | $40.00 | $75.00 | $170.00 |
| Mopar dealer + labor (1 hour at $150/hr) | — | — | — | $320.00 |
The Real Comparison
| Source | Filters Only | % vs TruckTok |
|---|---|---|
| TruckTok Kit R-18-01-2/9-02/9-03 | $85.50 | — |
| eBay Mopar OEM (best case) | $91.08 | +6.5% |
| eBay Mopar OEM (typical) | $124.34 | +45.4% |
| Amazon Mopar OEM | $103.39 | +20.9% |
| eBay generic (cheapest possible) | $58.79 | -31.2% |
| Dealer MSRP | $170.00 | +98.8% |
| Dealer + labor | $320.00 | +274.3% |
When you buy the cheapest generic eBay listing for $58.79, you are getting a Chinese fuel filter with unknown filtration media, an oil filter that may or may not have a functioning anti-drainback valve, and an air filter whose pleat count you will never know until the box arrives — if it arrives. The $26.71 you “save” is a bet against your CP3 pump, your turbo bearings, and your cylinder walls. On a $20,000+ truck, that is not a bet worth taking.
Get 100% Verified Fitment — Order the TruckTok 2010–2012 Ram 6.7L 3-Filter Kit ($85.50) →
You Are Not Paying $85.50 for Filters. You Are Paying for Certainty.
Let me be blunt about what the $85.50 price tag actually buys you, filter by filter.
68157291AA fuel filter (~$40 dealer value): The top-load cartridge design on the 2010-2012 is the most forgiving fuel filter architecture Dodge ever put on a 6.7L — but it is still a fuel filter on a CP3 truck. A cartridge that does not seat perfectly in the housing lets unfiltered fuel bypass the media entirely and go straight to the injection pump. A CP3 pump is $1,200-$1,800. A set of six injectors is $2,400-$3,600. The precision-fit plastic tabs on a quality cartridge snap into place with zero ambiguity. Cheap cartridges have tabs that are 0.3mm too thick or too thin — they either jam or wobble.
5083285AA oil filter (~$34 dealer value): The MO-285 filter has been on every 6.7L Ram since 2007.5 for a reason. Its silicone anti-drainback valve is the single most important piece of rubber in your truck’s cold-start sequence. A counterfeit MO-285 — and there are thousands on eBay and Amazon — uses generic rubber that hardens in diesel oil within 3,000 miles. When the anti-drainback valve fails, oil drains out of the filter gallery overnight. The next cold start? Your turbo bearings get zero oil pressure for 3-5 seconds while the pump refills an empty filter. Do that 200 times, and you are shopping for a turbo.
53034051AB air filter (~$60 dealer value): The air filter on the 6.7L sits between your turbo’s compressor wheel and every grain of dust on the road. A filter with too few pleats or inconsistent media density creates uneven airflow — and the turbo inlet vacuum will pull dirt through the thin spots. You will never see it happening. You will notice when the compressor wheel blades look like they were sandblasted at 60,000 miles.
None of this is scare-mongering. Every item on this list shows up in Cummins forums weekly. The filters you put on your truck are the cheapest insurance policy you will ever buy. The deductible is a new engine.

Installation Overview
All three filters on the 2010-2012 6.7L are owner-serviceable in a driveway with basic tools. The fuel filter and air filter are both top-access — open the hood and go. The oil filter requires getting underneath the truck; see the oil filter section for jacking points if you need more clearance. Compared to the 2007-2009 (which needs fender liner removal and a bump-starter prime for the fuel filter), this is still the easiest filter service of any 6.7L Ram generation.
Fuel Filter (Cartridge, Driver Side Engine Bay — Top Access)
The 68157291AA fuel filter is a top-load cartridge in a permanently mounted housing on the driver side of the engine, near the firewall. This is the cleanest fuel filter design Dodge ever put on a Cummins — you do not touch the housing. You unscrew the lid, lift it out, swap the cartridge, and reassemble.
Tools: 1-1/8" (or 28mm/29mm) socket, ratchet, drain pan, clean rags, diesel-safe gloves.
Step 1 — Vent the system. Remove the fuel cap from the filler neck. This releases tank pressure and prevents diesel from pushing back when you open the housing.
Step 2 — Open the housing. Place a drain pan under the housing. The lid has a 1-1/8" hex boss in the center. Turn counterclockwise. The lid threads are coarse and the O-ring provides resistance — expect it to take moderate force to break loose. A few ounces of diesel will spill when the lid comes off. That is normal.
Step 3 — Remove the old cartridge. Lift the lid with the cartridge attached. The cartridge snaps onto the lid with tabs. Squeeze the tabs to release it. Look inside the housing — if there is sediment at the bottom, wipe it out with a clean rag.
Step 4 — Replace the O-ring. Roll the old O-ring off the lid and roll the new one on. Lubricate with clean diesel fuel — motor oil can swell nitrile O-rings over time in a diesel environment.
Step 5 — Install the new cartridge. Snap the 68157291AA cartridge onto the lid tabs until it clicks. Lower the assembly into the housing and thread the lid clockwise by hand until it seats. Tighten to 18-20 ft-lbs — snug plus about 1/8 turn. The housing is plastic. Overtightening cracks the lid and a new assembly is $150+.
Step 6 — Prime the system. Turn the key to RUN (do not start) for 30 seconds. The in-tank lift pump will fill the housing and purge air. Cycle OFF, then RUN again. Repeat 3-5 times. On the last cycle, listen for the pump tone to change from a gurgle to a steady hum. Start the engine. It may stumble for 2-3 seconds as residual air clears the lines, then smooth out. Check for leaks around the lid.
Oil Filter (Spin-On, Passenger Side Engine Block)
The 5083285AA oil filter is on the passenger side of the engine block, right next to the turbo intake tube. It is not accessible from above — you are going underneath.
Jacking the truck (if you need clearance): Place a floor jack under the front crossmember (center of the engine cradle, behind the oil pan). Lift until the tires clear the ground, then place jack stands on both frame rails behind the front wheels. The frame rails have flat, reinforced sections about 12 inches behind the lower control arm mounts — that is where the stands go. Never work under a truck supported only by a floor jack.
Tools: Oil filter wrench (strap or cup-type with long handle, or large channel-lock pliers), 3/8-inch ratchet with 3-inch extension for drain plug, drain pan (5-gallon bucket fits under the truck), fresh oil (12 quarts = 3 gallons, 15W-40 or 5W-40 synthetic — Shell Rotella T6 and Amsoil Signature Max-Duty are both proven), funnel, brake cleaner, clean rags, rubber gloves. Optional but genius: an oil filter plug tool — a rubber cone with a T-handle that screws into the bottom hole of the old filter after you crack it loose. $5-10 on Amazon and it pays for itself in one driveway you did not have to degrease.
Wrench tip: Cup-type filter wrenches are fine for cracking the seal, but the wheel well gives you limited swing room. A longer-handled strap wrench or a filter claw on a ratchet extension is easier to break loose one-handed when the last guy at the dealership torqued the filter on with both hands and the wrath of God.
Access tip: If you are going through the wheel well (no jack needed), turn the steering full left — this pivots the passenger tire inward and opens up a few extra inches behind it. If you have the truck on jack stands and the clearance is still tight, remove the passenger front wheel entirely. Five lug nuts is a small price to pay for two-handed filter access.
Step 1 — Drain oil. Remove the oil fill cap. The drain plug is on the passenger side rear of the oil pan, directly in front of the differential. The factory 2010–2012 plug features a female square drive designed to accept a **1/2-inch drive ratchet extension** directly (no socket needed). Push the ratchet extension firmly IN while turning counterclockwise to loosen. Allow the 12 quarts of warm oil to drain completely into a wide drain pan.
Step 2 — Remove the old filter. Two options: from underneath with channel-lock pliers (plenty of room between frame and block), or through the passenger wheel well with a longer-handled filter wrench. For wheel well access: turn the steering full left to angle the tire inward and open clearance. If it is still too tight, remove the front passenger wheel — five lug nuts and it is off, giving you two-handed access. Crack the filter counterclockwise about half a turn — just enough to break the seal. Now: there is a flat casting ledge on the engine block directly below the filter threads. Spin the filter down by hand and rest it on this shelf. Do not drop it. The filter still has close to a quart of oil inside. Be warned: no matter how you extract this filter, it will make a mess. The angle of the mounting stud points slightly downward, and the filter body has to angle past the frame rail, the steering shaft, and the turbo oil return line on the way out. Place your drain pan to catch the drips and accept that you will need brake cleaner and rags afterward.
Clean removal trick: If you have an oil filter plug tool, screw the rubber cone into the bottom hole of the old filter while it is sitting on the shelf. The plug blocks the opening. Use the T-handle to lift the filter out — zero drips. Without the plug: tilt the filter opening-up immediately as you clear the threads and carry it sideways to your drain pan. Spray brake cleaner on a rag and wipe the mounting surface clean.
Step 3 — Prep the new filter. Pre-fill to about 3/4 full with fresh oil. Dip a finger in oil and run it around the rubber gasket.
Step 4 — Install. Thread the new filter on by hand until the gasket contacts the mounting surface. From this point: 3/4 turn by hand is your baseline. If you can reach it comfortably, hand-tight is your final step. If you need to use a filter wrench for leverage, add no more than one full turn total after gasket contact — about the width of the wrench handle from where it started. Tighten from underneath with one hand only. If you use two hands and your body weight, the next person doing this job will be cursing your name while the wrench slips and they punch the frame rail.
Step 5 — Prime and refill. Reinstall the drain plug, torque to 25 ft-lbs. Pour in 11 quarts. Before starting, turn the key to RUN for 5 seconds — the oil pump will begin circulating oil. Cycle OFF. Repeat 3 more times (4 cycles total). On the 5th cycle, start the engine. Oil pressure should rise within 5 seconds. Shut off, wait at least 30 minutes for all 12 quarts to drain back from the valvetrain, turbo feed line, and filter gallery into the pan — diesel oil is thick and a 6.7L valvetrain holds a surprising amount above the drainback holes. Then check the dipstick. Add the 12th quart as needed. The crosshatch zone on the dipstick represents about 1 quart from bottom to top — anywhere from the midpoint to the upper third is good. If you check at 5 minutes like you would on a gas engine, the dipstick will read falsely low and you will overfill.
Step 6 — Reset the oil life monitor. Two methods, depending on your trim level:
Method A — Steering wheel controls (if your truck has the EVIC display): Turn the key to RUN. On the left side of the steering wheel, use the arrow buttons to scroll to Vehicle Info. Press the right arrow to enter. Scroll down until you see Oil Life. Hold the right arrow button for 3-5 seconds — the display will reset to 100%.
Method B — Accelerator pedal (works on all trims, including base models without EVIC): Key to RUN (do not start). Fully depress the accelerator pedal three times within 10 seconds. Key OFF. On next start, oil life reads 100%.
If Method A does not show an Oil Life option, your truck does not have the EVIC display — use Method B. Both methods accomplish the same reset.
Air Filter (Panel, Driver Side Airbox)
The 53034051AB air filter sits in the black plastic airbox on the driver side of the engine bay.
Tools: 8mm socket or Phillips screwdriver — the 2010-2012 airbox uses 3 bolts instead of the spring clips found on earlier trucks.
Step 1 — Open the airbox. Remove the 3 bolts around the perimeter of the airbox lid. 8mm socket or flat-blade screwdriver both work. Lift the lid — start from the left side, because the right side has plastic tabs tucked into slots that act as a hinge. Once the left side is free, pull the lid toward the fender to release the tabs. Do not yank. Tabs break clean off and a new airbox lid is not sold separately.
Step 2 — Inspect and clean. Remove the old panel filter. Look at the dirty side — sand, leaves, and insect debris are normal. A tear or crushed pleat section is not, and means unfiltered air has been reaching the turbo. Wipe out the lower tray with a damp rag. Let it dry completely.
Step 3 — Insert the new filter. Drop the 53034051AB panel into the lower tray. The pleats face down, the grating faces up. The thick urethane sealing border must sit evenly in the groove around all four sides. No bulging corners — any gap sends unfiltered air to the turbo.
Step 4 — Close the lid. Line up the right-side tabs into their slots first, then lower the left side. Hand-thread all 3 bolts before tightening. Critical: do not overtighten. The bolts thread into brass inserts molded into plastic — one extra half-turn with the socket and the insert spins in the housing. The lid is now junk. Snug plus zero is the torque spec here. Give the lid a wiggle — if it moves, a bolt is not seated, not loose.

Bonus: Cabin Air Filter (While You Are Under the Dash)
The 2010-2012 Ram also has a cabin air filter behind the glove box — and most owners have never changed it. If you just bought your truck used, this thing is probably black. It filters every breath of air that enters your cab, including diesel exhaust, pollen, road dust, and whatever your boots tracked in last winter.
The replacement is a 90-second job:
- Open the glove box, disconnect the retractable cord on the right side (push down on the clip and slip it free).
- Squeeze both sides of the glove box inward until the rubber stoppers clear the opening, then let it drop forward.
- The cabin filter housing is on the upper right behind where the glove box was. Pinch the two tabs — one on the left, one on the right — and pull the cover off.
- Pull out the old filter. Inspect it. If it looks like a squirrel died in it, you are breathing that.
- Slide in the new filter. It is directional — the arrow on the frame must point downward (toward the blower motor).
- Snap the cover back on, reinstall the glove box (line up the bottom tabs with the hinge slots first, then push the sides in to engage the stoppers), and reattach the cord.
The cabin filter is not included in the three-filter kit — the kit covers engine maintenance only. But TruckTok stocks cabin filters for the 2010-2012 Ram separately. While you are doing the under-hood filter work, spend the extra two minutes under the dash. Your lungs will notice the difference before your odometer hits the next oil change.
Five Expensive Mistakes 2010-2012 Owners Make
1. Buying the 2007-2009 Fuel Filter (FS43257) for a 2010-2012 Truck
The 2007-2009 uses a bottom-access housing you unscrew from underneath. The 2010-2012 uses a top-load cartridge in a different housing. They are completely incompatible — different shape, different sealing surface, different everything. The parts catalog confusion is real: some systems lump 2007-2012 together as “early 6.7L.” They are wrong. If the filter you bought does not say 68157291AA on the box, do not open it.
2. Neglecting Fuel Filters and Overworking the DPF
While the 2010–2012 6.7L does not use DEF, it relies heavily on its DPF (Diesel Particulate Filter) for emissions. Clogged or cheap fuel filters disrupt the spray pattern of your injectors, causing incomplete combustion and excessive soot. That soot quickly overloads the DPF, triggering frequent active regenerations and washing raw diesel down your cylinder walls into the engine oil. Changing your fuel filter every 15,000 miles keeps your combustion clean and protects a $2,500 DPF assembly.
3. Overtightening the Plastic Fuel Filter Lid
The fuel filter lid is injection-molded plastic. Torque spec is 18-20 ft-lbs — hand-snug plus about 1/8 turn with the socket. The “one more grunt” method cracks the lid around the hex boss. A new lid assembly is not available separately from Mopar in many cases — you will be buying the entire housing for $150+.
4. Assuming Any 5W-40 Synthetic Is Diesel-Rated
Gas engine 5W-40 and diesel-rated 5W-40 are not the same. Diesel oil requires higher detergent levels (to manage soot), higher zinc/phosphorus anti-wear additives (for the flat-tappet valvetrain), and shear-stable viscosity modifiers (the CP3 pump and turbo bearings tear apart weak oil molecules). Look for the API CJ-4 or CK-4 certification on the bottle. Rotella T6 and Amsoil Max-Duty carry it. Many cheaper synthetics do not.
5. Changing the Air Filter at Every Oil Change
The air filter interval is 30,000 miles or when the filter-minder gauge on the airbox indicates restriction, whichever comes first. Changing it at every oil change (7,500 miles) wastes a perfectly good $60 filter. The only exception: if you drive gravel roads daily or live in the desert southwest, cut the interval in half. Dust kills turbos faster than mileage.
Five Myths About 2010-2012 6.7L Cummins Filters
Myth 1: “All 6.7L Rams Use the Same Fuel Filter”
This is the single most expensive mistake in Ram filter purchasing. The 2007.5-2009 uses FS43257 (bottom-access housing). The 2010-2012 uses 68157291AA (top-load cartridge). The 2013-2018 uses 68157291AA + 68197867AA (two filters — engine bay and chassis-mounted). The 2019+ uses 68436631AA + 68157291AA. If the eBay listing says “fits 2010-2024,” it fits none of them correctly.
Myth 2: “The 2010–2012 Fuel System Is Complicated Because of Emissions”
False. The 2010–2012 Ram 6.7L is famous for being the last 6.7L generation that required **NO DEF/SCR fluid**. Its emissions architecture uses an internal EGR and DPF, making the under-hood layout far simpler than 2013+ trucks. The redesigned top-load fuel filter housing was introduced purely for serviceability—allowing owners to change the fuel filter from above in under 10 minutes without crawling under the truck or pulling fender liners.
Myth 3: “Fleetguard and Mopar Are the Same Thing”
Fleetguard (Cummins Filtration) manufactures the media for Mopar-branded filters, but the specifications are not identical. Fleetguard often uses a slightly different pleat count and media density optimized for their own distribution channel. In practice, both perform well. The difference that matters is Mopar-branded vs. aftermarket-generic — and there, the gap is measured in microns of filtration and years of engine life.
Myth 4: “You Can Skip the Fuel Filter If the Truck Runs Fine”
The 68157291AA traps particulates down to 5 microns. At 15,000 miles, that filter is holding months of accumulated water, diesel algae, and sediment from gas station tanks. When it reaches capacity, two things happen: (1) the bypass valve opens and unfiltered fuel reaches the CP3 pump; (2) water passes through and corrodes the CP3’s internal surfaces. Neither produces a check engine light. Both produce a $3,000 fuel system repair at some point in the future.
Myth 5: “Aftermarket Filters Are Just As Good As OEM”
Some are. Most are not. The aftermarket 68157291AA listings at $12.85 on eBay do not disclose their filtration efficiency at 5 microns, their water separation percentage, or their pleat count. A Mopar-branded 68157291AA has a published specification. When the $12.85 filter lets 15-micron particles through while the Mopar catches them at 5 microns, the price difference buys you exactly nothing. You will never see the damage accumulating inside the CP3 until the pump grenades.

Frequently Asked Questions
Q1: Will this kit fit my 2010 Ram 2500 with the 5.7L Hemi?
No. This kit is for the 6.7L Cummins diesel only. The 5.7L Hemi uses entirely different filters. Check your under-hood emissions label or the 8th digit of your VIN: “L” is the 6.7L Cummins.
Q2: What is the difference between 68157291AA and 68065608AB?
68065608AB is the superseding part number for the same filter. It is backward-compatible with all 2010-2012 applications that call for 68157291AA. Mopar occasionally updates part numbers without changing the filter dimensions. Both numbers refer to the same top-load cartridge.
Q3: Can I use this kit on a 2013 Ram 6.7L?
No. The 2013-2018 6.7L uses a two-filter fuel system: one engine-bay filter (68157291AA — same as 2010-2012) and one chassis-mounted filter (68197867AA). The TruckTok 2010-2012 kit only includes one fuel filter. Using a single-filter kit on a two-filter truck leaves the chassis filter unchanged, and half-filtered fuel reaching the engine. TruckTok offers 2013-2018-specific two-filter kits.
Q4: Does this kit include the fuel filter lid O-ring?
Yes. The kit includes the large O-ring that seals the lid to the housing body. The WIF sensor O-ring at the bottom of the housing is not included — it is replaced separately and only when it leaks.
Q5: Is 15W-40 or 5W-40 better for the 2010-2012 6.7L?
Both are approved. 5W-40 synthetic flows faster at cold start (below 32°F) and maintains viscosity better under sustained high EGTs when towing. 15W-40 conventional is adequate for warm climates and light-duty use. If you tow regularly or live where it freezes, run 5W-40 synthetic. The turbo bearings will outlast the rest of the truck.
Q6: Why does the oil filter hold oil when I remove it?
The silicone anti-drainback valve in the 5083285AA prevents oil from draining out of the filter when the engine stops. This is a design feature, not a defect. It means your engine builds oil pressure on the first crank instead of the fifth. It also means the filter will be full and heavy — have rags ready and expect a quart of oil to spill.
Q7: How do I know if my fuel filter housing needs to be replaced?
Signs of a failing housing: (a) the lid threads feel gritty or skip when tightening, (b) visible cracks radiating from the hex boss on the lid, © persistent slow fuel weep from the lid after replacing the O-ring. A replacement housing is Mopar part 68157290AB and costs approximately $150-180.
Q8: How many quarts of oil does the 2010-2012 6.7L take?
12 quarts (3 gallons) with filter change. Start with 11 quarts, run the engine briefly, shut it off, wait 5 minutes, and top up. Overfilling aerates the oil and reduces lubrication performance. Underfilling starves the turbo bearings at startup.
Q9: My air filter box has a yellow indicator on top. What does it do?
That is the factory filter-minder — a vacuum restriction gauge. As the filter loads with dust, intake vacuum increases. When the yellow indicator reaches the red zone, the filter is done regardless of mileage. To reset it after changing the filter, press the small rubber button on the end of the gauge. If the gauge stays in the red zone with a brand-new filter, you have a restriction elsewhere in the intake tract.
Q10: Should I pre-fill the fuel filter housing with raw diesel before installing the new cartridge?
No, absolutely not. Pouring raw fuel directly into the clean side of the housing bypasses the filter media entirely. Any dust, water, or microscopic debris in that fuel will go straight into your Bosch CP3 high-pressure pump and $400+ fuel injectors. Always install the 68157291AA cartridge dry, tighten the top lid to spec, and use the **3–5 cycle key-on priming procedure** (detailed in Step 6 above). The in-tank lift pump will safely fill the housing through the filter media in under two minutes.
Q11: My truck has 200,000 miles. Should I switch to a heavier oil?
No. Stick with the manufacturer viscosity spec (15W-40 or 5W-40). Switching to 20W-50 “for high mileage” slows cold-start oil flow to the turbo bearings, which is exactly what a high-mileage engine does not need. If you are concerned about wear, increase your oil change frequency to every 5,000 miles. Fresh 5W-40 every 5,000 miles beats 20W-50 every 7,500.
Q12: Why does the 2010–2012 use a different fuel filter than the 2007–2009?
When Dodge introduced the 4th-generation Ram body style in 2010, they redesigned the engine bay layout and fuel filtration architecture. The fuel filter housing was relocated from the lower passenger-side engine block (2007–2009 bottom-access style) to the upper driver-side firewall (2010–2012 top-load cartridge style). This design change eliminated the need to remove wheel liners or drop the housing during maintenance, making the 2010–2012 the easiest 6.7L Ram generation for DIY fuel filter changes.
Q13: Do I need to replace the air filter every time I change the oil?
No. The air filter interval is 30,000 miles or when the filter-minder indicates restriction. Changing it at every oil change (7,500 miles) is wasteful unless you drive in extremely dusty conditions. This three-filter kit is designed for the 30,000-mile major service where all three filters happen to overlap.
Q14: What happens if I use a FS43257 instead of a 68157291AA?
It will not fit. Period. The FS43257 is designed for a completely different housing — the 2007-2009 bottom-access style. The cartridge is a different diameter, different height, and different tab configuration. Do not try to force it. If a parts store hands you a cartridge for a 2007-2009 truck, they looked up the wrong year. 2010-2012 = 68157291AA. Nothing else.
Ready to Service Your 2010-2012 Ram?
The 2010-2012 Ram 6.7L Cummins has the easiest filter architecture of any 6.7L generation — top-load fuel cartridge, side-access oil filter, and bolt-down airbox lid. You can do all three filters in your driveway in under two hours with basic tools and a floor jack.
The TruckTok 2010-2012 6.7L Dodge Ram Fuel, Oil & Air Filter Maintenance Kit (SKU R-18-01-2/9-02/9-03, $85.50) puts all three filters in one box, at 31-45% less than buying Mopar OEM separately, with zero guessing at the parts counter.
Shop the 2010-2012 Ram 6.7L Filter Kit →
Have questions about your 2010-2012 Ram’s maintenance? Join the discussion:
- 68157291AA Fuel / Water Separator Filter Discussion →
- 5083285AA Oil Filter Discussion →
- 53034051AB Air Filter Discussion →
Legal Disclaimer
This article is for informational purposes only. The information provided is not intended as a substitute for professional mechanical advice, diagnosis, or repair. Always consult your vehicle’s owner’s manual and factory service manual for official maintenance procedures and torque specifications. Aftermarket replacement filters do not void your vehicle’s warranty under the Magnuson-Moss Warranty Act. Always verify part compatibility using your VIN and build date before purchasing. TruckTok is not affiliated with Mopar, Fleetguard, Cummins, Dodge, Ram, or FCA/Stellantis. All trademarks and part numbers are the property of their respective owners and are used for compatibility reference only.