ATP Q21-6170-002K1T DEF Level and Quality Sensor for Paccar

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

• Dual Monitoring: Accurately tracks both DEF fluid level and urea concentration to ensure proper emissions treatment.

• Plug-and-Play Setup: Built for an exact factory fit on Kenworth and Peterbilt applications without requiring harness modifications.

• Heavy-Duty Construction: Features upgraded, chemical-resistant internal components designed to withstand harsh thermal cycles and corrosive fluid environments.

Technical Specifications

Vehicle Fitment

• Application: Fits heavy-duty Kenworth and Peterbilt semi-trucks.

• Engine Systems: Compatible with Paccar MX and Cummins X15 emissions setups.

Cross-Reference Interchanges

Directly replaces and interchanges with the following Paccar/OEM numbers:

• Q21-6170-002K1T

• Q21-6170-002

• Q21-6167-002K1T

• Q21-6127-002K1T

• Q216170002 / Q216167002 / Q216127002

Fast Shipping & Local Pickup

Keeping your business moving is time-sensitive. We process
and ship orders quickly to keep your downtime to a minimum.

Same-Day Shipping Cutoffs

• Monday – Friday: Order by 5:30 PM ET
• Saturday: Order by 11:30 AM ET

Free Local Pickup

• Location: Sunrise, Florida
• Ready Time: Free 1-hour warehouse pickup for in-stock items.

Overnight & Weekend Delivery

• Standard Overnight: Delivered on the next business day (Monday – Friday).
• Friday Overnight Orders: Delivered on Monday by default.
• Saturday Delivery: If you need your order delivered on Saturday, you must select a specific "Saturday Delivery" option at checkout (subject to carrier availability).

Live Shipping Rates: Our website provides live shipping rates. Simply add the item to your cart and enter your ZIP code to instantly view all available shipping options before completing your purchase.

Next-Business-Day Delivery: Next-business-day delivery is available on many items when an overnight shipping option is selected before our daily shipping cutoff. Saturday delivery must be selected separately when available.