Diesel Aftertreatment System for 2023 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
Reservoir 
GM
GM Description: Fluid tank. Silverado, sierra. Emission reduction system, 3.0L diesel.
MSRP $781.42
$425.87
MSRP $781.42
$425.87
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.
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
$3.33
MSRP $5.20
$3.33
4
MSRP $189.32
$105.07
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
$67.72
MSRP $106.99
$67.72
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
$66.34
MSRP $119.54
$66.34
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
MSRP $23.92
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
$9.81
MSRP $15.82
$9.81
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
$105.95
MSRP $190.90
$105.95
9
Fluid Pipe GM
GM Description: Emission reduction system, 3.0L diesel, crew cab, 6.6 ft box.
MSRP $123.80
$68.71
MSRP $123.80
$68.71
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
$107.30
MSRP $193.34
$107.30
11
MSRP $17.10
$10.60
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
$80.76
MSRP $145.52
$80.76
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
$70.95
MSRP $127.84
$70.95
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
$198.96
MSRP $302.83
$198.96
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
$193.73
MSRP $294.88
$193.73
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
$15.82
MSRP $26.58
$15.82
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
$5.39
MSRP $7.39
$5.39
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
$65.00
MSRP $102.71
$65.00
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
$90.15
MSRP $162.44
$90.15
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
$143.32
MSRP $261.78
$143.32
5
MSRP $161.60
$89.69
6
Pipe GM
GM Description: 3.0L diesel, sensors, for particulate. 3.0L diesel, 2023-25, for particulate.
MSRP $66.08
$37.67
MSRP $66.08
$37.67
7
Pressure Sensor GM
GM Description: 3.0L diesel, sensors, for egr. 3.0L diesel, 2023-25, for egr.
MSRP $33.94
$20.19
MSRP $33.94
$20.19
Related Parts
Part # / Description / Price
Price
Diesel Particulate Filter 1 GM
GM Positions: Front
Description: Silverado, sierra. 3.0l diesel. Upper. Tahoe. 3.0l diesel. Single exhaust, 2020-22. Nox converter with filter. Escalade ESV. 3.0l diesel. Suburban. 3.0l diesel. Yukon. 3.0l diesel.
MSRP $1,583.33
$1,035.50
MSRP $1,583.33
$1,035.50
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.