Diesel Aftertreatment System for 2023 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
1
2017-2023 GM - Exhaust Temperature Sensor 
GM
GM Description: 6.6L diesel, egr valve & related components, 2017-19, upper, front. Exhaust temp sensor. 6.6l. Position 1. Silverado, Sierra 2500 HD. 6.6L diesel, sensors, at muffler & pipe, posn 3. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, at converter. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $82.42
$47.39
MSRP $82.42
$47.39
2
2017-2024 GM - 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
$45.30
MSRP $78.78
$45.30
3
2017-2023 GM - Exhaust Temperature Sensor GM
GM Description: 6.6L diesel, egr valve & related components, 2017-19, lower. Exhaust temp sensor. 6.6l. Position 5. 6.6L diesel, sensors, at muffler & pipe, posn 1, 2. Silverado, Sierra 2500 HD. Position 3. Silverado, Sierra 3500 HD. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $77.28
$44.44
MSRP $77.28
$44.44
5
2023-2024 GM - Exhaust Temp Sensor GM
GM Description: 6.6L diesel, sensors, at muffler & pipe, posn 3.
MSRP $99.16
$57.02
MSRP $99.16
$57.02
6
2020-2023 GM - Nitrogen Oxides Sensor GM
GM Description: 6.6L diesel, sensors. Detects the nitrogen oxide content of the exhaust to help optimize emissions
Manufactured to GM OE specification for fit, form, and function
7
2020-2023 GM - Lower Nox Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Rear. Silverado, Sierra 3500 HD. NOX Sensor.
MSRP $321.30
$174.95
MSRP $321.30
$174.95
8
MSRP $53.33
$30.66
No.
Part # / Description / Price
Price
1
Emission Reduction Fluid Tank GM
GM Description: Emission reduction tank. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
MSRP $868.57
$539.15
MSRP $868.57
$539.15
2
2020-2025 GM - 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
$5.80
MSRP $7.43
$5.80
3
2020-2024 GM - Diesel Exhaust Fluid (DEF) Tank Support Bracket GM
GM Description: 6.6L diesel, emission reduction system.
MSRP $55.12
$31.69
MSRP $55.12
$31.69
4
2020-2025 GM - 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
$15.78
MSRP $25.24
$15.78
5
2020-2025 GM - Emission Reduction Fluid Tank Shield GM
GM Description: 6.6L diesel, emission reduction system.
MSRP $215.58
$117.38
MSRP $215.58
$117.38
6
2020-2024 GM - 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
$19.49
MSRP $25.98
$19.49
7
2020-2025 GM - Heat Shield GM
GM Description: 6.6L diesel, emission reduction system.
MSRP $98.18
$65.39
MSRP $98.18
$65.39
8
2020-2024 GM - Reductant Fluid Injector GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $113.68
$63.09
MSRP $113.68
$63.09
9
2020-2024 GM - 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
$2.99
MSRP $3.83
$2.99
10
MSRP $134.02
$74.38
11
2020-2023 GM - Reductant Control Module GM
GM Description: 6.6L diesel, emission reduction system. Emission reduction level. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 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 $199.28
$110.60
MSRP $199.28
$110.60
12
MSRP $190.30
$105.62
12
2023 GM - Harness GM
GM Description: 6.6L diesel, emission reduction system, 2nd design.
MSRP $211.38
$115.10
MSRP $211.38
$115.10
13
2020-2024 GM - 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
$63.51
MSRP $114.44
$63.51
13
2020-2024 GM - 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
$79.08
MSRP $142.48
$79.08
13
2020-2024 GM - 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
$65.92
MSRP $118.78
$65.92
13
2020-2024 GM - Emission Reduction Fluid Tank Filler Pipe GM
GM Description: 6.6L diesel, emission reduction system, double cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $111.47
$70.53
MSRP $111.47
$70.53
14
2020-2024 GM - 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
$16.61
MSRP $26.58
$16.61
No.
Part # / Description / Price
Price
1
Nitrogen Oxide Catalytic Converter 1 GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Nox converter. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $1,433.28
$936.51
MSRP $1,433.28
$936.51
2
2017-2024 GM - Exhaust System Seal GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.71
$8.23
MSRP $10.71
$8.23
3
2020-2024 GM - Exhaust Front Bracket GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.52
$7.32
MSRP $9.52
$7.32
4
2015-2024 GM - Exhaust System Hanger Insulator GM
GM Description: 2018-20, 3 hole. Single exhaust, front. 6.6L diesel, 3-hole. Dual exhaust, front. 2.7L, front. 4.3L, front. 3.6L 2017-21. front. 2.8 turbo diesel rear section. Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.32
$23.49
MSRP $31.32
$23.49
5
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Crew cab. Long box. Silverado, Sierra 3500 HD.
$1,553.28
$1,553.28
5
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Double cab. Long box. Silverado, Sierra 3500 HD.
$1,733.71
$1,733.71
5
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Crew cab. Short box. Silverado, Sierra 3500 HD.
$1,306.80
$1,306.80
5
F (S)Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Short box. Silverado, Sierra 3500 HD. 6.6L diesel, double cab, 6.9 ft box.
$1,559.75
$1,559.75
5
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.
MSRP $1,421.59
$928.87
MSRP $1,421.59
$928.87
5
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
$937.42
MSRP $1,434.69
$937.42
6
MSRP $12.97
$9.96
7
2017-2025 GM - Muffler & Pipe Insulator GM
GM Notes: PARTS: Part included with muffler & pipe.
Description: 6.6L diesel, 3-hole, short.
MSRP $17.68
$13.26
MSRP $17.68
$13.26
8
1999-2024 GM - Exhaust System Hanger Insulator GM
GM Description: Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $31.46
$23.60
MSRP $31.46
$23.60
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.
Related Parts
Part # / Description / Price
Price
2020-2023 GM - Indirect Fuel Injector Assembly 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
$227.51
MSRP $417.84
$227.51
2020-2023 GM - Low Pressure Diesel Hydrocarbon Injector GM
GM Description: Diesel fluid injector. Silverado, Sierra 2500 HD. With chassis cab. Silverado, Sierra 3500 HD.
MSRP $452.70
$246.50
MSRP $452.70
$246.50
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Crew cab. Long box. Silverado, Sierra 3500 HD.
$1,553.28
$1,553.28
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Double cab. Long box. Silverado, Sierra 3500 HD.
$1,733.71
$1,733.71
Diesel Particulate Filter 1 GM
GM Description: Silverado, Sierra 2500 HD. Crew cab. Short box. Silverado, Sierra 3500 HD.
$1,306.80
$1,306.80
Diesel Particulate Filter GM
GM Description: Silverado, Sierra 2500 HD. Double cab. Short box. Silverado, Sierra 3500 HD.
$882.68
$882.68
2023-2024 GM - Diesel Particulate Filter GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, regular cab.
$804.08
$804.08
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.