Diesel Aftertreatment System for 2025 Chevrolet Suburban
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
$909.96
MSRP $1,546.76
$909.96
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
$23.25
MSRP $39.52
$23.25
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
$122.46
MSRP $208.16
$122.46
5
Emission Reduction Fluid Tank Filler Vent Hose GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $77.86
$45.81
MSRP $77.86
$45.81
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
$74.35
MSRP $126.38
$74.35
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
$26.69
MSRP $45.36
$26.69
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
$16.86
MSRP $28.66
$16.86
9
MSRP $149.84
$88.15
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
$53.77
MSRP $91.40
$53.77
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
$113.74
MSRP $193.34
$113.74
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
$6.18
MSRP $8.75
$6.18
14
MSRP $17.10
$10.06
15
MSRP $204.85
$120.51
No.
Part # / Description / Price
Price
3
Catalytic Converter Clamp GM
GM Description: Helps provide a tight seal for your vehicle's catalytic converter and exhaust pipe connection
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.88
$10.51
MSRP $14.88
$10.51
5
Exhaust System Front Gasket GM
GM Description: Dual exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.55
$3.21
MSRP $4.55
$3.21
9
Exhaust Intermediate Pipe GM
GM Description: Yukon XL. 3.0l diesel. 3.0L diesel dual exhaust 2025.
MSRP $303.12
$213.99
MSRP $303.12
$213.99
10
Intermediate Pipe Clamp GM
GM Notes: PARTS: Part included with intermediate pipe.
Description: 3.0L diesel, 2021-24. Single exhaust, 2020-22. Single exhaust, 2023-25. 3.0L diesel dual exhaust 2025.
11
Exhaust System Hanger Insulator GM
GM Description: 2018-20, 3 hole. Single exhaust, front. 6.6L diesel, 3-hole. Dual exhaust, front. 2.7L, front. 4.3L, front. 3.6L 2017-21. front. 2.8 turbo diesel rear section. Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.32
$22.11
MSRP $31.32
$22.11
14
Rear Muffler GM
GM Description: 3.0L diesel, 2025. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel.
$223.91
$223.91
15
Exhaust System Rear Gasket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.01
$4.94
MSRP $7.01
$4.94
16
Exhaust System Hanger Insulator GM
GM Description: Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $31.46
$22.21
MSRP $31.46
$22.21
17
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
$41.18
MSRP $58.34
$41.18
18
Heat Shield GM
GM Description: 3.0L diesel, 2021-24, center, rear. 5.3L, center, rear. 5.3 & 6.2L, center, rear. 3.0L diesel, center rear, Escalade ESV. 6.2L supercharged, center rear, Escalade ESV. 3.0L diesel dual exhaust 2025. center.
MSRP $21.92
$15.47
MSRP $21.92
$15.47