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
$866.19
MSRP $1,546.76
$866.19
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
$24.70
MSRP $39.52
$24.70
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.
MSRP $180.84
$106.70
MSRP $180.84
$106.70
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
$119.69
MSRP $208.16
$119.69
5
Emission Reduction Fluid Tank Filler Vent Hose GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $77.86
$46.72
MSRP $77.86
$46.72
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
MSRP $126.38
$74.56
MSRP $126.38
$74.56
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
MSRP $45.36
$27.22
MSRP $45.36
$27.22
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
$17.91
MSRP $28.66
$17.91
9
MSRP $89.92
$53.95
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
MSRP $91.40
$54.84
MSRP $91.40
$54.84
12
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
$114.07
MSRP $193.34
$114.07
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
$6.56
MSRP $8.75
$6.56
14
MSRP $17.10
$10.69
15
MSRP $201.32
$115.76
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
$281.88
MSRP $408.52
$281.88
6
Converter & Pipe Bracket GM
GM Description: For Converter. 3.0L diesel dual exhaust 2025.
MSRP $86.14
$60.98
MSRP $86.14
$60.98
12
Exhaust Back Pressure Regulator GM
GM Description: Single exhaust, 2023-25. 3.0L diesel dual exhaust 2025. Actuator.
MSRP $152.16
$89.77
MSRP $152.16
$89.77
15
MSRP $40.93
$29.47
15
MSRP $40.93
$29.47
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
$42.00
MSRP $58.34
$42.00
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.