Diesel Aftertreatment System for 2025 GMC Sierra 3500 HD
Related Parts
Part # / Description / Price
Price
Exhaust Temperature Sensor 
GM
GM Notes: Order By Vehicle Application.
Description: 6.6L diesel, egr valve & related components, 2017-19, upper, rear. Exhaust temp sensor. 6.6l. Position 2. 6.6L diesel, sensors, at exh pipe. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $78.78
$41.36
MSRP $78.78
$41.36
Exhaust Temperature Sensor 
ACDelco
ACDelco Notes: Order By Vehicle Application.
Description: ACDelco GM Original Equipment Exhaust Temperature Sensors report exhaust gas temperature to the engine control module, and are GM-recommended replacements for your vehicle's original components. The temperature signal is used by the control module to adjus ...
$31.74
$31.74
Reductant Fluid Injector GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $113.68
$59.68
MSRP $113.68
$59.68
Reductant Fluid Injector ACDelco
ACDelco Description: ACDelco GM Original Equipment Diesel Exhaust Fluid (DEF) Injection Nozzle is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This original equipment nozzle will provide the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Not For Sale
Not For Sale
Injector GM
GM Description: Diesel fluid injector. Silverado, Sierra 2500 HD. Without chassis cab. Silverado, Sierra 3500 HD. Express 2500. 2.8l diesel. Indirect injector. Express 3500. 2.8l diesel. Savana 2500. 2.8l diesel. Savana 3500. 2.8l diesel.
MSRP $417.84
$219.35
MSRP $417.84
$219.35
Low Pressure Diesel Hydrocarbon Injector ACDelco
ACDelco Description: GM Genuine Parts Hydrocarbon Injectors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
$180.91
$180.91
Injector GM
GM Description: Diesel fluid injector. Silverado, Sierra 2500 HD. With chassis cab. Silverado, Sierra 3500 HD.
MSRP $452.70
$237.64
MSRP $452.70
$237.64
Low Pressure Diesel Hydrocarbon Injector ACDelco
ACDelco Description: GM Genuine Parts Hydrocarbon Injectors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Not For Sale
Not For Sale
Temp Sensor GM
GM Notes: Order By Vehicle Application.
Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Front. Silverado, Sierra 3500 HD. 6.6L diesel, at manifold. 6.6L diesel, sensors, at converter.
MSRP $78.10
$46.75
MSRP $78.10
$46.75
Exhaust Gas Temperature Sensor Module ACDelco
ACDelco Notes: Order By Vehicle Application.
Description: Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Not For Sale
Not For Sale
Temp Sensor GM
GM Notes: Order By Vehicle Application.
Description: Exhaust. Silverado, Sierra 2500 HD. At muffler. At tail pipe. Silverado, Sierra 3500 HD.
MSRP $118.50
$62.21
MSRP $118.50
$62.21
Temp Sensor GM
GM Notes: Order By Vehicle Application.
Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Rear. Silverado, Sierra 3500 HD.
MSRP $109.38
$57.42
MSRP $109.38
$57.42
Module GM
GM Description: Emission reduction level. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Escalade. 3.0l diesel. Yukon. 3.0l diesel. 3.0L diesel emission reduction system.
Reductant Control Module ACDelco
ACDelco Description: GM Genuine Parts Diesel Exhaust Fluid (DEF) Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Not For Sale
Not For Sale
Reservoir GM
GM Description: Emission reduction tank. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
MSRP $1,134.86
$595.74
MSRP $1,134.86
$595.74
Emission Reduction Fluid Tank ACDelco
ACDelco Description: GM Genuine Parts Diesel Exhaust Fluid (DEF) Tanks are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Not For Sale
Not For Sale
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Long box. Silverado, Sierra 3500 HD. 6.6L diesel, crew cab, 8 ft box.
MSRP $1,434.69
$903.76
MSRP $1,434.69
$903.76
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Long box. Silverado, Sierra 3500 HD. 6.6L diesel, double cab.
$710.74
$710.74
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Short box. 6.6L diesel, crew cab, 6.9 ft box. Silverado, Sierra 3500 HD.
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Short box. Silverado, Sierra 3500 HD. 6.6L diesel, double cab, 6.9 ft box.
$701.18
$701.18
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, regular cab.
$690.47
$690.47
$720.04
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 3500 HD. Regular cab chassis. 170.8.
$715.15
$715.15
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 3500 HD. Regular cab chassis. 146.3.
$700.08
$700.08
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.