Bayonet Paccar & Cummins| DEF Sensor | Q21-6167-002
Aftermarket DEF sensor, brand new with no core required. Replaces OEM #Q21-6170-002 & more, built to OEM specs for reliable SCR performance, and backed by a manufacturer warranty.
DEF Sensor | Q21-6167-002
Maintain your vehicle’s emissions system with this premium aftermarket DEF sensor, designed as a direct replacement for OEM part Q21-6167-002. Precision-engineered to meet or exceed OEM specifications, this sensor accurately monitors diesel exhaust fluid levels and temperature, ensuring your SCR system operates efficiently and your vehicle stays compliant with emissions regulations.
Built with high-quality, corrosion-resistant materials, this sensor withstands harsh environments and extreme temperatures typical of heavy-duty and commercial vehicles. Its plug-and-play design guarantees a hassle-free installation, reducing downtime and service costs.
This DEF sensor is brand new and requires no core return, making it a cost-effective, quick replacement option for fleet managers, mechanics, and truck owners alike. Backed by a manufacturer warranty, it delivers reliable performance and durability you can trust.
Don’t let a faulty DEF sensor cause costly emissions failures or downtime. Order now to get your Q21-6167-002 replacement sensor shipped fast and restore your vehicle’s DEF system to peak performance—only from American Radiator.
DEF Sensor Features:
Designed For:
Manufacturer Warranty
DuraWRX provides a manufacturer's warranty on its DEF-related products for up to 2 years/40,000 miles/1,200 hours (whichever occurs first). This warranty covers any defects in materials or workmanship. To be eligible for a claim, the end user must register their product purchase on the DuraWRX site. To file a claim, customers must contact DuraWRX to receive a return shipping label. Once the product is returned and the claim is approved, DuraWRX will issue either a refund or a credit.
DEF Sensor Specs:
Please confirm your OEM or Aftermarket number matches before ordering.
Q21-6091
Q21-6127-002
Q21-6167-002
Q21-6167-002K1T
Q21-6167-002KIT
Q21-6170-002
Q21-6170-002K1T
Q216167-002
Shipping & Returns
Why Buy From American Radiator?
Trust American Radiator, your reliable source for quality cooling solutions since 2001. With roots in the industry dating back to the 1970s, our team brings decades of experience delivering high-performance radiators, charge air coolers, and DPF systems at competitive prices.
We work directly with trusted domestic and international manufacturers that supply OEM-grade components, ensuring every product meets or exceeds original equipment standards. Whether you need a heavy-duty truck radiator or a replacement for your DEF Sensor, we’re committed to providing durable, cost-effective solutions that perform.
Have questions? Contact our experienced inside sales team at 888-483-5763 for expert guidance and fast, friendly support.
| Part Number | SKU | 280002 |
|---|---|
| OEM | Aftermarket Numbers | Q21-6091 Q21-6127-002 Q21-6167-002 Q21-6167-002K1T Q21-6167-002KIT Q21-6170-002 Q21-6170-002K1T Q216167-002 ASP61DS21-FG ASP61DS21FG |