ATP Q21-6170-002K1T DEF Level and Quality Sensor for Paccar
Product Description
Ensure reliable SCR system performance and prevent engine derates with this premium Advance Truck Parts (ATP) heavy-duty Diesel Exhaust Fluid (DEF) Level and Concentration Sensor. Engineered to meet or exceed OEM specifications, this sensor provides precise, real-time monitoring of fluid volume and urea purity in the reservoir.
A failing DEF sensor is a frequent culprit for unexpected dashboard warnings and limp-mode triggers. This direct-replacement unit restores factory-level signal accuracy to keep your fleet running efficiently.
Key Features
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Dual Monitoring: Accurately tracks both DEF fluid level and urea concentration to ensure proper emissions treatment.
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Plug-and-Play Setup: Built for an exact factory fit on Kenworth and Peterbilt applications without requiring harness modifications.
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Heavy-Duty Construction: Features upgraded, chemical-resistant internal components designed to withstand harsh thermal cycles and corrosive fluid environments.
Technical Specifications
| Specification |
Detail |
| Brand |
Advance Truck Parts (ATP) |
| Part Type |
DEF Level & Quality / Concentration Sensor |
| SKU / MPN |
Q21-6170-002K1T |
| Condition |
New |
| Fitment Type |
Direct Replacement |
Vehicle Fitment
Cross-Reference Interchanges
Directly replaces and interchanges with the following Paccar/OEM numbers:
