Diesel Aftertreatment System for 2025 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
Reservoir 
GM
GM Description: Fluid tank. Silverado, sierra. Emission reduction system, 3.0L diesel.
MSRP $1,022.34
$536.68
MSRP $1,022.34
$536.68
2
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.
2
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
3
Emission Reduction Fluid Controller Bolt GM
GM Description: 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 $5.20
$2.73
MSRP $5.20
$2.73
4
MSRP $199.44
$104.70
5
Emission Reduction Fluid Tank Shield GM
GM Positions: Right
Description: 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 $106.99
$64.05
MSRP $106.99
$64.05
6
Diesel Exhaust Fluid (DEF) Tank Heat Shield GM
GM Positions: Left
Description: 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 $119.54
$62.75
MSRP $119.54
$62.75
7
Emission Reduction Fluid Tank Protector GM
GM Description: 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 $23.92
$14.31
MSRP $23.92
$14.31
8
Diesel Exhaust Fluid (DEF) Tank Strap GM
GM Description: 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 $15.82
$8.30
MSRP $15.82
$8.30
9
Fluid Pipe GM
GM Description: Emission reduction system, 3.0L diesel, crew cab, 6.6 ft box.
MSRP $123.80
$64.99
MSRP $123.80
$64.99
9
Emissions Reduction Fluid Exhaust Front Pipe Injector Supply Pipe ACDelco
ACDelco Description: GM Genuine Parts Diesel Exhaust Fluid (DEF) Injector Feed Lines 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
9
Fluid Pipe GM
GM Description: 3.0L diesel, emission reduction system, crew cab, 5.8 ft box. 3.0L diesel emission reduction system. double cab.
MSRP $190.90
$100.21
MSRP $190.90
$100.21
9
Emissions Reduction Fluid Exhaust Front Pipe Injector Supply Pipe ACDelco
ACDelco Description: GM Genuine Parts Diesel Exhaust Fluid (DEF) Injector Feed Lines 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
10
Diesel Exhaust Fluid (Def) Injector GM
GM Description: Silverado, sierra. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. 3.0L diesel emission reduction system.
MSRP $193.34
$101.49
MSRP $193.34
$101.49
10
Reductant Fluid Injector ACDelco
ACDelco Description: GM Genuine Parts Diesel Exhaust Fluid (DEF) Injection Nozzles 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
11
MSRP $17.10
$8.98
12
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: Emission reduction system, 3.0L diesel, reduction tank, standard bed.
Manufactured to GM OE specification for fit, form, and function
MSRP $127.84
$67.11
MSRP $127.84
$67.11
12
Emission Reduction Fluid Tank Filler Pipe ACDelco
ACDelco Description: ACDelco GM Original Equipment Diesel Emissions Fluid Filler Pipe is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This original equipment pipe 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
12
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: Emission reduction system, 3.0L diesel, reduction tank, short bed. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $145.52
$76.39
MSRP $145.52
$76.39
12
Emission Reduction Fluid Tank Filler Pipe ACDelco
ACDelco Description: ACDelco GM Original Equipment Diesel Emissions Fluid Filler Pipe is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This original equipment pipe 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
13
Filler Pipe GM
GM Description: Silverado, sierra. Emission reduction system, 3.0L diesel, fuel tank, 6.6 ft box. 3.0L diesel, emission reduction system, fuel tank, standard bed. Filler pipe, crew cab, diesel, 6.6 ft box, crew cab, diesel, 6.6 ft box. Filler pipe, double cab, diesel. Filler pipe, crew cab, diesel, without carbon pro, 6.6 ft box. Double cab. 6'6 box.
MSRP $302.83
$190.77
MSRP $302.83
$190.77
13
Fuel Tank Cap GM
GM Description: Silverado, sierra. Without alternate material. Pick-up box. Emission reduction system, 3.0L diesel, fuel tank, 5.8 ft box. 3.0L diesel, emission reduction system, fuel tank, short bed. Filler pipe, crew cab, diesel, 5.8 ft box, to 02/12/2025. Filler pipe, crew cab, diesel, without carbon pro, 5.8 ft box.
MSRP $294.88
$185.75
MSRP $294.88
$185.75
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
$13.95
MSRP $26.58
$13.95
14
DEF Tank Filler Cap ACDelco
ACDelco Description: GM Genuine Parts Diesel Exhaust Fluid (DEF) Filler Caps 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
15
Saturn Standard Part GM
GM Description: On fender. Emission reduction system, 3.0L diesel. Fuel filler pipe. Air bags, 6x21mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.39
$4.42
MSRP $7.39
$4.42
No.
Part # / Description / Price
Price
1
Temp Sensor GM
GM Description: Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Position 1 (turbocharger). Yukon. 3.0l diesel. 3.0L diesel 2025 sensors. upper.
MSRP $102.71
$61.48
MSRP $102.71
$61.48
1
Exhaust Gas Temperature Sensor Module ACDelco
ACDelco Description: GM Genuine Parts Exhaust Gas Temperature (EGT) Sensors 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
2
Nitrogen Oxide (Nox) Sensor GM
GM Description: Silverado, sierra. 3.0l diesel. Position 1-under hood. 3.0L diesel, 2023-25. Suburban. 3.0l diesel. Upper. Tahoe. 3.0l diesel. Yukon. 3.0l diesel. 3.0L diesel 2025 sensors. Upr NOx sensor.
MSRP $162.44
$85.27
MSRP $162.44
$85.27
2
Nitrogen Oxides Sensor ACDelco
ACDelco Description: GM Genuine Parts Nitrogen Oxide (NOx) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The information from these sensors is used by the engine control module (ECM) to adjust various parameters to help r ...
Not For Sale
Not For Sale
3
Nitrogen Oxides Sensor ACDelco
ACDelco Description: GM Genuine Parts Nitrogen Oxide (NOx) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The information from these sensors is used by the engine control module (ECM) to adjust various parameters to help r ...
Not For Sale
Not For Sale
4
Nitrogen Oxide (Nox) Sensor GM
GM Description: Silverado, sierra. 3.0l diesel. Position 3-chassis rear. 3.0L diesel, 2023-25. Lower. Left. Yukon. 3.0l diesel. 3.0L diesel 2025 sensors. Rr NOx sensor.
MSRP $261.78
$137.42
MSRP $261.78
$137.42
4
Nitrogen Oxides Sensor ACDelco
ACDelco Description: GM Genuine Parts Nitrogen Oxide (NOx) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The information from these sensors is used by the engine control module (ECM) to adjust various parameters to help r ...
Not For Sale
Not For Sale
5
MSRP $161.60
$84.83
6
Pipe GM
GM Description: 3.0L diesel, sensors, for particulate. 3.0L diesel, 2023-25, for particulate.
MSRP $66.08
$34.69
MSRP $66.08
$34.69
7
Pressure Sensor GM
GM Description: 3.0L diesel, sensors, for egr. 3.0L diesel, 2023-25, for egr.
MSRP $33.94
$17.82
MSRP $33.94
$17.82
7
Exhaust Pressure Sensor Pipe ACDelco
ACDelco Description: GM Genuine Parts Differential Pressure Sensor Pipes 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
Related Parts
Part # / Description / Price
Price
Temp Sensor GM
GM Description: Silverado, sierra. 3.0L diesel, sensors, position 1. Yukon. 3.0l diesel. 3.0L diesel 2025 sensors. lower.
MSRP $114.90
$68.78
MSRP $114.90
$68.78
