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Home 2025 Chevrolet Suburban High Country 3.0L L6 - Diesel Hardware, Fasteners & Fittings

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2025 Chevrolet Suburban

High Country 3.0L L6 - Diesel

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Hardware, Fasteners & Fittings for 2025 Chevrolet Suburban

Diagram 1 1. Catalytic Converter Diagram 2 2. Catalytic Converter 3. Exhaust Manifold Heat Shield Bolt
Hardware, Fasteners & Fittings for 2025 Chevrolet Suburban #0
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No.
Part # / Description / Price
Price
1
40009609 - Exhaust: Catalytic Converter for GM Image
Converter 1
40009609
GM GM
Positions: Front
Description: Single exhaust, 2023-26. 3.0L diesel dual exhaust 2023-26.
MSRP $1,443.57
$952.75
MSRP $1,443.57
$952.75
2
55494570 - Exhaust: Catalytic Converter Gasket for GM Image
Catalytic Converter Gasket
55494570
GM GM
Notes: PARTS: Part included with catalytic converter.
Description: Helps provide a tight seal for your vehicle's catalytic converter This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.86
$0.62
MSRP $0.86
$0.62
3
55503171 - Exhaust: Catalytic Converter Clamp for GM Image
Catalytic Converter Clamp
55503171
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
$10.72
MSRP $14.88
$10.72
4
86535357 - Exhaust: Converter & Pipe for GM Image
Catalytic Converter 1
86535357
GM GM
Description: Silverado, sierra. 3.0l diesel. Upper. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Nox scr/doc converter. Yukon. 3.0l diesel. 3.0L diesel dual exhaust 2025-26. 3.0L diesel single exhaust 2025-26.
MSRP $408.52
$270.85
MSRP $408.52
$270.85
9
85712191 - Exhaust: Exhaust Intermediate Pipe for GM Image
Intermediate Pipe
85712191
GM GM
Description: Yukon XL. 3.0l diesel. 3.0L diesel dual exhaust 2025-26.
MSRP $303.12
$200.97
MSRP $303.12
$200.97
11
23469850 - Exhaust: Intermediate Pipe Insulator for GM Image
Exhaust System Hanger Insulator
23469850
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 $32.10
$23.11
MSRP $32.10
$23.11
12
40009243 - Exhaust: Actuator for GM Image
Exhaust Back Pressure Regulator
40009243
GM GM
Description: Single exhaust, 2023-26. 3.0L diesel dual exhaust 2025-26. Actuator.
MSRP $152.16
$85.21
MSRP $152.16
$85.21
13
86825904 - Exhaust: Rear Muffler for GM Image
Rear Muffler
86825904
GM GM
Description: 3.0L diesel dual exhaust 2025-26. Rear muffler.
$606.98
$606.98
13
87816557 - Exhaust: Exhaust Muffler for GM Image
Rear Muffler
87816557
GM GM
Description: Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel. 3.0L diesel single exhaust 2025-26. Rear muffler.
$215.54
$215.54
14
84407371 - Exhaust: Exhaust Muffler Gasket for GM Image
Exhaust System Rear Gasket
84407371
GM GM
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.01
$5.04
MSRP $7.01
$5.04
15
85049693 - Exhaust: Rear Muffler Hanger for GM Image
Hanger
85049693
GM GM
Positions: Left
Description: 6.2L supercharged. 5.3 & 6.2L dual exhaust. 3.0L diesel dual exhaust 2025-26.
MSRP $41.95
$28.95
MSRP $41.95
$28.95
15
85049694 - Exhaust: Rear Muffler Hanger for GM Image
F Hanger
85049694
GM GM
Positions: Right
Description: 6.2L supercharged. 5.3 & 6.2L dual exhaust. 3.0L diesel dual exhaust 2025-26.
MSRP $41.95
$28.95
MSRP $41.95
$28.95
17
84685655 - Body: Floor Pan Heat Shield for GM Image
Heat Shield
84685655
GM GM
Positions: Center
Description: 3.0L diesel, 2021-24, center, rear. 5.3L, center, rear. 3.0L diesel, center rear, Escalade ESV. 6.2L supercharged, center rear, Escalade ESV. 3.0L diesel dual exhaust 2025-26. center. 5.3 & 6.2L dual exhaust. center rear.
MSRP $22.47
$16.18
MSRP $22.47
$16.18
18
84687185 - Exhaust: Heat Shield for GM Image
Exhaust Rear Underbody Heat Shield
84687185
GM GM
Description: Can help prevent exhaust heat from damaging your vehicle's undercarriage and engine compartment components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.48
$23.79
MSRP $34.48
$23.79
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.