Emission Components for 2025 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
1
MSRP $1,445.68
$816.45
2
Diesel Exhaust Fluid (DEF) Tank Front Bracket 
GM
GM Description: 6.6L diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.43
$5.51
MSRP $7.43
$5.51
3
MSRP $55.12
$32.92
4
Diesel Exhaust Fluid (DEF) Tank Strap GM
GM Description: 6.6L diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $25.24
$15.39
MSRP $25.24
$15.39
5
MSRP $215.58
$125.52
6
Emission Reduction Fluid Tank Shield GM
GM Notes: PARTS: Part included with tank shield.
Description: 6.6L diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $25.98
$19.01
MSRP $25.98
$19.01
7
MSRP $98.18
$69.48
8
Reductant Fluid Injector GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $113.68
$67.04
MSRP $113.68
$67.04
9
Exhaust System Front Gasket GM
GM Notes: PARTS: Part included with injector.
Description: 6.6L diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $3.83
$2.84
MSRP $3.83
$2.84
10
MSRP $144.50
$85.22
11
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.
MSRP $180.84
$105.29
MSRP $180.84
$105.29
12
Harness GM
GM Description: 6.6L diesel, emission reduction system, 2nd design. 6.6L diesel, emission reduction system, all.
MSRP $203.96
$118.76
MSRP $203.96
$118.76
13
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: 6.6L diesel, emission reduction system, regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $130.36
$76.88
MSRP $130.36
$76.88
13
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: 6.6L diesel, emission reduction system, crew cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $118.78
$70.05
MSRP $118.78
$70.05
13
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: 6.6L diesel, emission reduction system, crew cab, 8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $142.48
$84.03
MSRP $142.48
$84.03
13
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: 6.6L diesel, emission reduction system, double cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $114.44
$67.49
MSRP $114.44
$67.49
14
Diesel Emissions Fluid (DEF) Tank Filler Cap GM
GM Description: 6.6L diesel, emission reduction system. Emission reduction system, 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $26.58
$16.21
MSRP $26.58
$16.21
No.
Part # / Description / Price
Price
1
Temp Sensor GM
GM 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.
2
Exhaust Temperature Sensor GM
GM 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
$47.05
MSRP $78.78
$47.05
3
Exhaust Temperature Sensor GM
GM Description: Helps provide accurate temperature detection. Heat and vibration resistant for operating efficiently.
MSRP $77.28
$46.16
MSRP $77.28
$46.16
5
Exhaust Temp Sensor GM
GM Description: 6.6L diesel, sensors, at muffler & pipe, posn 3.
MSRP $99.16
$58.48
MSRP $99.16
$58.48
6
Nitrogen Oxide Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Front. Silverado, Sierra 3500 HD.
MSRP $209.24
$121.83
MSRP $209.24
$121.83
7
Nitrogen Oxide Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Rear. Silverado, Sierra 3500 HD.
MSRP $249.18
$145.09
MSRP $249.18
$145.09
8
Intake Air Pressure and Temperature Sensor GM
GM Description: GM Genuine Parts Air Charge Temperature Sensors Keepers 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 or validated by General Motors for GM vehicles.
MSRP $53.33
$30.26
MSRP $53.33
$30.26
No.
Part # / Description / Price
Price
1
Egr Valve GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $445.58
$258.33
MSRP $445.58
$258.33
Related Parts
Part # / Description / Price
Price
Vapor Canister Vent Valve GM
GM Description: The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold.GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle's original components.
MSRP $74.36
$43.86
MSRP $74.36
$43.86
Vapor Canister Vent Solenoid GM
GM Description: Without diesel. Location-Vapor Canister. Silverado, Sierra 3500 HD. Extended crew cab. Regular cab chassis. 137.0. , 3/4 ton. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $37.13
$22.62
MSRP $37.13
$22.62
Evaporative Emission Canister GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L gas. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
Manufactured to GM OE specification for fit, form, and function
MSRP $311.22
$180.43
MSRP $311.22
$180.43
Auxiliary Vapor Canister GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $213.28
$124.18
MSRP $213.28
$124.18
Vent Control Solenoid GM
GM Description: Silverado, Sierra 2500 HD. Double cab. Crew cab. Long box. Silverado, Sierra 3500 HD.
MSRP $175.46
$102.16
MSRP $175.46
$102.16