Freightliner Cascadia NOx Sensors 2008–2026
NOx and temperature sensors for the aftertreatment system — the sensor failures behind the most common derate codes on emissions-era trucks. The Cascadia is the best-selling Class 8 truck in North America, which makes its body and service parts the most-searched in the aftermarket.
3 results
In StockPartStop
NOx Sensor Fits Freightliner Cascadia DD15 2015-2024 A0101531828
OEM A0101531828
Exhaust & Emissions
$249.00View
In StockPartStop
Outlet NOx Sensor 12V 4-Pin Fits Freightliner Western Star DD13 DD15 A0101532328
OEM A0101532328
Exhaust & Emissions
$265.00View
In StockPartStop
A0101538128ASAS NOx Sensor Freightliner Western Star A0101538128 RA0101538128
OEM A0101538128ASAS
Exhaust & Emissions
$154.99View
Every part above carries its own verified fitment — check the OEM / cross-reference number on the listing against your truck, or look up your VIN and we'll match parts to your exact Freightliner Cascadia. Not sure? Call (253) 600-1351 — we verify fitment before you buy.