Diesel Aftertreatment System for 2025 Chevrolet Tahoe
No.
Part # / Description / Price
Price
1
Diesel Exhaust Fluid (Def) Tank 
GM
GM Description: Suburban. 3.0l diesel. Tahoe. 3.0l diesel. From 05/09/22. Yukon. 3.0l diesel. 3.0L diesel emission reduction system.
MSRP $1,546.76
$943.52
MSRP $1,546.76
$943.52
2
Emission Reduction Fluid Tank Rear Bracket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $39.52
$25.49
MSRP $39.52
$25.49
3
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.
4
Diesel Exhaust Fluid (Def) System Main Wiring Harness GM
GM Notes: PARTS: Part included with tank.
Description: 3.0L diesel emission reduction system.
MSRP $208.16
$129.06
MSRP $208.16
$129.06
5
Emission Reduction Fluid Tank Filler Vent Hose GM
GM Description: Manufactured to GM OE specification for fit, form, and function
A component that allows excess pressure from the diesel exhaust fluid tank to exit the tank.
A component that allows excess pressure from the diesel exhaust fluid tank to exit the tank.
MSRP $77.86
$49.05
MSRP $77.86
$49.05
6
Emission Reduction Fluid Tank Shield GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
Floor Pan Heat Shield.
Floor Pan Heat Shield.
MSRP $126.38
$78.36
MSRP $126.38
$78.36
7
Emission Reduction Fluid Tank Shield GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
A protective cover that fits around the diesel emission fluid tank.
A protective cover that fits around the diesel emission fluid tank.
MSRP $45.36
$28.58
MSRP $45.36
$28.58
8
Emission Reduction Fluid Tank Protector GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.66
$18.49
MSRP $28.66
$18.49
9
MSRP $89.92
$56.65
10
Emission Reduction Fluid Tank Filler Hose GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Diesel Exhaust Fluid (DEF) Filler Pipe.
Diesel Exhaust Fluid (DEF) Filler Pipe.
MSRP $91.40
$57.58
MSRP $91.40
$57.58
12
Reductant Fluid Injector GM
GM Description: 3.0L diesel, emission reduction system.
Injector positioned in the exhaust to aid in DPF regeneration.
Injector positioned in the exhaust to aid in DPF regeneration.
MSRP $193.34
$118.42
MSRP $193.34
$118.42
13
Exhaust System Front Gasket GM
GM Notes: PARTS: Part included with injector.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.75
$6.77
MSRP $8.75
$6.77
14
Injector Clamp GM
GM Description: 3.0L diesel, emission reduction system.
A part which fits around the Diesel Exhaust Fluid Injector, thereby securing the component in place with a clamping force.
A part which fits around the Diesel Exhaust Fluid Injector, thereby securing the component in place with a clamping force.
MSRP $17.10
$11.03
MSRP $17.10
$11.03
15
MSRP $201.32
$124.82
No.
Part # / Description / Price
Price
4
Catalytic Converter 1 GM
GM Description: Silverado, sierra. 3.0l diesel. Upper. Dual exhaust. 3.0L diesel, 2025. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Nox scr/doc converter. Yukon. 3.0l diesel.
MSRP $408.52
$303.94
MSRP $408.52
$303.94
6
Converter & Pipe Bracket GM
GM Description: For Converter. 3.0L diesel dual exhaust 2025.
MSRP $86.14
$64.08
MSRP $86.14
$64.08
12
Exhaust Gas Recirculation Valve Actuator GM
GM Description: Single exhaust, 2023-25. 3.0L diesel dual exhaust 2025. Actuator.
Not For Sale
Not For Sale
15
MSRP $40.93
$30.95
15
MSRP $40.93
$30.95
16
Heat Shield GM
GM Description: 3.0L diesel dual exhaust 2021-24. center front. 6.2L. center front. 3.0L diesel single exhaust. center front.
MSRP $58.34
$44.10
MSRP $58.34
$44.10
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.