FITMENT
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2019-2024 Dodge Ram 2500, 3500 with 6.7L Diesel engine
Interchange Part Numbers:
DESCRIPTION
Product Overview
- Engineered for fifth-generation High-Output Cummins platforms, the TruckTok 68306261AB EGT Sensor is built to manage the intense thermal loads generated by high-torque towing. Featuring an accelerated thermocouple response rate, it feeds real-time voltage data to the engine controller to support tight DPF regeneration windows without signal latency.
- Calibrated exclusively for Ram 2500 and 3500 pickup emissions networks, this heavy-duty replacement maintains precise calibration stability under sustained maximum exhaust temperatures. It restores factory-spec ECM communication—resolving sensor-induced fault codes, protecting SCR closed-loop efficiency, and preventing unexpected engine power derates.
Key Features
- Thermocouple response curve is precision-mapped for modern high-output engine controllers, engineered to process rapid temperature ramps during aggressive DPF regeneration cycles without signal latency.
- Internal sensing element is rated for continuous, uninterrupted operation at temperatures exceeding 1,200°F—maintaining uncompromised signal fidelity during high-torque, maximum-capacity towing.
- Purpose-built calibration maintains accuracy across strict checkpoint windows, preventing the subtle temperature drifts (50°F) that cause modern ECMs to throw false plausibility codes.
FAQ
Q: Can the high-output Cummins’s extra heat kill this sensor faster?
A: While engineered to withstand HO thermal limits, vehicles engaged in continuous max-capacity towing (gooseneck, fifth-wheel, or commercial hauling) subject exhaust components to higher sustained temperatures. Periodically monitoring live EGT telemetry using a diagnostic scan tool helps identify signal drift before a check engine light or power derate occurs.
Q: Do I need to re-flash or recalibrate the ECM after installing this replacement sensor?
A: No ECM re-flashing or custom calibration is required. However, you must clear all stored diagnostic trouble codes (DTCs) using a code reader or diagnostic tool after installation. The ECM will automatically complete its self-test and recognize the fresh voltage telemetry within a few driving cycles.
Q: If I’m already replacing this sensor, should I do the 68306262AB at the same time?
A: While each position operates independently, both sensors endure identical thermal cycles, operating hours, and vibration loads. For high-mileage vehicles, replacing both positions simultaneously prevents secondary downtime and ensures balanced, drift-free thermal inputs across the entire exhaust monitoring network.
Q: Can I use a 4th-gen (2013–2018) sensor on my 2019+ truck?
A: No. Fifth-generation platforms feature distinct electrical keying and faster voltage sampling tables within the ECM. A 4th-Gen sensor cannot be installed or calibrated for 2019+ engine controllers, as mismatched signal parameters will immediately trigger emissions fault codes.
Q: Looking for the other 2019+ Ram EGT sensor position?
A: We also carry the 68306262AB. If you’re replacing both while you’re under the truck, grab them as a pair.
