Emission Components for 2021 Chevrolet Silverado 3500 HD
No.
Part # / Description / Price
Price
1
Reservoir 
GM
GM Description: Emission reduction tank. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
MSRP $868.57
$668.37
MSRP $868.57
$668.37
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
$6.02
MSRP $7.43
$6.02
3
MSRP $55.12
$37.21
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
$17.04
MSRP $25.24
$17.04
5
MSRP $215.58
$145.52
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
$21.05
MSRP $25.98
$21.05
7
MSRP $98.18
$79.53
8
Reductant Fluid Injector GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $113.68
$76.73
MSRP $113.68
$76.73
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
$3.11
MSRP $3.83
$3.11
10
MSRP $134.02
$90.46
11
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
$134.51
MSRP $199.28
$134.51
12
MSRP $112.74
$76.10
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
$96.17
MSRP $142.48
$96.17
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
$80.18
MSRP $118.78
$80.18
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
No.
Part # / Description / Price
Price
1
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
$55.63
MSRP $82.42
$55.63
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
$53.18
MSRP $78.78
$53.18
3
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
$52.16
MSRP $77.28
$52.16
6
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
Nitrogen Oxide Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Rear. Silverado, Sierra 3500 HD. NOX Sensor.
MSRP $321.30
$216.88
MSRP $321.30
$216.88
No.
Part # / Description / Price
Price
1
Exhaust Pressure Differential Sensor Pipe GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $120.34
$81.23
MSRP $120.34
$81.23
2
Exhaust Pressure Differential Sensor GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: Express, savana. 2.8l diesel. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
MSRP $43.20
$29.16
MSRP $43.20
$29.16
3
Exhaust Pressure Differential Sensor Bracket GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems - aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $42.68
$32.86
MSRP $42.68
$32.86
4
Support Bracket GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: 6.6L diesel, exhaust pressure differential sensor.
MSRP $26.37
$20.28
MSRP $26.37
$20.28
7
Multi Purpose Pipe Clamp with Bolt GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.27
$17.90
MSRP $23.27
$17.90
8
Exhaust Pressure Line Fitting M16 x 1.5 x 19.73 GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $12.30
$8.30
MSRP $12.30
$8.30
Related Parts
Part # / Description / Price
Price
M10x1.5x35 Multi-Purpose Bolt GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1.44
$1.13
MSRP $1.44
$1.13
M6x1x38 Multi-Purpose Bolt GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: 2.8L. 2017-21, m6 x 38. 1.5L, 6x38mm. 2016-18. 1.6L, 6x38mm. 1.3L turbo, 9 speed auto. 3.0L twin-turbo. 3.6L. 2019. 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Nut GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: Without video display mirror. 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. 2020. 2.0L turbo 2019. Split back seats. type 1. Helps align and secure various components
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
$6.55
$6.55
Multi Purpose Nut GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.92
$7.63
MSRP $9.92
$7.63
Multi-Purpose Bolt GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: Extended cab. Double cab. Tourx. 2014-2017. Regular cab. 2011-2013. Crew cab. Door side. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $13.59
$10.45
MSRP $13.59
$10.45
Multi-Purpose Nut GM
GM Notes: PARTS: Part included with exhaust pressure sensor kit.
Description: 1998-04 gmc. 1998-05 chevrolet, without xtreme. 1998-01 gmc without Envoy, for face bar, outer. 1995-97 gmc, for face bar, inner. 1998-03 chevrolet without xtreme pkg 2001-04 chevrolet crew cab. 1995-97 chevrolet, for face bar, inner. 1996-97 oldsmobile. 1998-01 gmc with Envoy, for face bar, inner. 1998-01 oldsmobile. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.44
$3.42
MSRP $4.44
$3.42
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
$25.04
MSRP $37.13
$25.04
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
$210.07
MSRP $311.22
$210.07
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
$143.96
MSRP $213.28
$143.96
Vapor Canister Solenoid GM
GM Description: Silverado, Sierra 2500 HD. Crew cab. Short box. Silverado, Sierra 3500 HD. 6.6L gas, 6.9ft box. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
MSRP $109.94
$74.21
MSRP $109.94
$74.21
Vapor Canister Solenoid GM
GM Description: 6.6L gas, 8 ft box. Silverado, Sierra 2500 HD. Regular cab. Silverado, Sierra 3500 HD. Crew cab. Long box. Double/extended cab. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
Manufactured to GM OE specification for fit, form, and function
MSRP $108.08
$72.95
MSRP $108.08
$72.95