Exhaust Components for 2021 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
Catalytic Converter 1 
GM
GM Description: Silverado, sierra. 3.0l diesel. Lower. Dual exhaust.
MSRP $458.33
MSRP $458.33
2
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
$3.49
MSRP $4.55
$3.49
4
Exhaust Gas Recirculation (EGR) Valve Inlet Gasket GM
GM Description: Dual exhaust. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate properly
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.10
$4.54
MSRP $7.10
$4.54
6
MSRP $583.32
$381.49
6
MSRP $546.44
$357.37
8
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
$22.36
MSRP $31.32
$22.36
10
MSRP $151.79
11
$158.48
12
Exhaust Gasket GM
GM Description: Dual exhaust. 1.5L turbo. 3.6L. 1.6L. 1.8L, center and rear. 2.5L, with dual muffler. 2.0L turbo, 2011-2013. 2.4L. Helps provide a tight seal for various components of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1.60
$1.23
MSRP $1.60
$1.23
14
Tailpipe Extension GM
GM Positions: Left
Description: Silverado, sierra. 3.0l. Left. Dual exhaust, 2020-22. Dual exhaust, 2023-25.
$147.55
$147.55
14
Tailpipe Extension GM
GM Positions: Right
Description: Silverado, sierra. 3.0l. Right. Dual exhaust, 2020-22. Dual exhaust, 2023-25.
$147.55
$147.55
15
Exhaust Heat Shield GM
GM Description: Single exhaust, front, outer. 6.6L gas, front, #2. Dual exhaust, front, outer. 2.7L, front, outer. 4.3L, front, outer. 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 $29.24
$20.88
MSRP $29.24
$20.88
16
Heat Shield GM
GM Description: Single exhaust, front, center. 6.6L gas, front, #1. 6.6L diesel, front, #2. 2.7L, front, center. Dual exhaust, 2020-22, front, center. Dual exhaust, 2023-25, front, center. 4.3L, front, center. 5.3 & 6.2L dual exhaust. front center.
MSRP $22.58
$16.11
MSRP $22.58
$16.11
18
Exhaust Front Heat Shield GM
GM Description: Dual exhaust, rear. 4.3L, rear, without 8 ft box. 2.7L, rear, without 8 ft box. Single exhaust, rear. 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 $100.73
$67.09
MSRP $100.73
$67.09
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.
No.
Part # / Description / Price
Price
3
Exhaust Back Pressure Valve GM
GM Description: Single exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
5
Diesel Particulate Filter 1 GM
GM 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
6
Muffler & Pipe GM
GM Description: Single exhaust, 2020-22, crew cab 5.8 ft box. Single exhaust, crew cab, 5.8 ft bed. Single exhaust, 2020-22, double cab.
MSRP $459.47
$300.49
MSRP $459.47
$300.49
6
Muffler & Pipe GM
GM Description: Single exhaust, 2020-22, crew cab 6.6 ft box. Single exhaust, crew cab, 6.6 ft bed.
$271.42
$271.42
7
Intermediate Pipe Clamp GM
GM Notes: PARTS: Part included with muffler & pipe.
Description: 3.0L diesel, 2021-24. Single exhaust, 2020-22. Single exhaust, 2023-25. 3.0L diesel dual exhaust 2025.
13
Heat Shield GM
GM Description: 6.6L gas, center, crew cab. 6.6L diesel, center, crew cab. Dual exhaust, center, crew cab. 2.7L, center, crew cab. Single exhaust, 2020-22, center. Single exhaust, 2023-25, center. 4.3L, center, crew cab. Single exhaust, center, crew cab. 5.3 & 6.2L dual exhaust. center.
MSRP $10.78
MSRP $10.78
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.
No.
Part # / Description / Price
Price
1
Primed Rear Bumper Impact Bar GM
GM Description: Dual exhaust, with park assist primed. Helps limit damage in low impact collisions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $886.44
$582.06
MSRP $886.44
$582.06
2
Bumper Protection Pad GM
GM Positions: Right
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $31.27
$22.42
MSRP $31.27
$22.42
2
Bumper Protection Pad GM
GM Positions: Left
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $31.27
$22.42
MSRP $31.27
$22.42
3
Push-Pin GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.82
$5.70
MSRP $7.82
$5.70
4
Rear Driver Side Bumper Impact Bar Brace GM
GM Positions: Left
Description: Helps prevent a sagging bumper impact bar
Provides a mounting location for the bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.22
$22.81
MSRP $33.22
$22.81
4
Bumper Brace GM
GM Positions: Right
Description: Without super cruise without zr2 bison.
MSRP $33.22
$22.81
MSRP $33.22
$22.81
5
M8x1.25x25 Multi-Purpose Bolt GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.71
$7.56
MSRP $10.71
$7.56
6
Multi-Purpose Nut GM
GM Positions: Left
Description: 2wd. Rwd, rear, 14x2,29.9mm. With zr2, zr2 bison. Awd, rear. Fwd, rear. With magnetic ride, with ground clearance package. Without magnetic ride, with ground clearance control. Without AWD. inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.73
$5.63
MSRP $7.73
$5.63
7
Bumper Bracket GM
GM Positions: Right
Description: Without super cruise without zr2 bison. Bumper bracket.
MSRP $147.03
MSRP $147.03
7
Rear Driver Side Bumper Impact Bar Bracket GM
GM Positions: Left
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $147.03
MSRP $147.03
8
M8x1.25x27mm Multi-Purpose Bolt GM
GM Positions: Right
Description: Helps secure and attach your vehicle's radiator support baffle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.55
$5.82
MSRP $7.55
$5.82
9
Multi-Purpose Nut GM
GM Positions: Right
Description: Trailer hitch,U-nut. With trailer package. 6.6, 8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.17
$3.78
MSRP $5.17
$3.78
10
Rear Bumper Fascia Step Pad GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $187.70
$123.81
MSRP $187.70
$123.81
11
MSRP $8.39
$6.12
13
Trailer Wiring Receptacle Cap GM
GM Description: Backup alarm, oval. With corner step, towing receptacle. Towing receptacle, oval. Without park assist, without tow package. Without zr2, zr2 bison, without tow package. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $42.31
$27.50
MSRP $42.31
$27.50
14
Bumper Step Pad Bracket GM
GM Positions: Right
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $75.85
$52.09
MSRP $75.85
$52.09
14
Bumper Step Pad Bracket GM
GM Positions: Left
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $75.85
$52.09
MSRP $75.85
$52.09
15
M4.2x1.41x20 Multi-Purpose Bolt GM
GM Positions: Left
Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
16
Multi-Purpose Nut GM
GM Positions: Left
Description: 5.8 ft box. 6.6 ft box. Bumper support, type 1. Insert,U-nut. Tourx, cover & trim. With gs, structure & mounting. With gs, cover & trim. Wheelhouse liner, #3. Headlamp assy,nut. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.41
$6.13
MSRP $8.41
$6.13
17
M4.2x1.4x20 Multi-Purpose Bolt GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $3.21
$2.34
MSRP $3.21
$2.34
18
Multi-Purpose Nut GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.84
$7.35
MSRP $9.84
$7.35
19
MSRP $9.64
$6.82
20
Bumper Step Pad GM
GM Positions: Left
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison. Pad.
MSRP $45.09
$30.96
MSRP $45.09
$30.96
20
Bumper Step Pad GM
GM Positions: Right
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison. Pad.
MSRP $38.00
$26.09
MSRP $38.00
$26.09
21
Tail Pipe Extension GM
GM Positions: Left
Description: Silverado, sierra. 5.3l. Dual exhaust. Left. Silverado, sierra. 6.2l. With super cruise.
MSRP $237.45
$156.00
MSRP $237.45
$156.00
21
Tailpipe Extension GM
GM Positions: Left
Description: Silverado, sierra. 3.0l. Right. Dual exhaust, 2020-22. Dual exhaust, 2023-25.
$147.55
$147.55
21
Tail Pipe Extension GM
GM Positions: Right
Description: Silverado, sierra. 5.3l. Right. Silverado, sierra. 6.2l. With super cruise.
MSRP $224.51
$147.51
MSRP $224.51
$147.51
21
Tailpipe Extension GM
GM Positions: Right
Description: Silverado, sierra. 3.0l. Left. Dual exhaust, 2020-22. Dual exhaust, 2023-25.
$147.55
$147.55
22
Multi-Purpose Bolt GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $15.00
$10.59
MSRP $15.00
$10.59
23
Multi-Purpose Nut GM
GM Positions: Left
Notes: PARTS: Part included with exhaust heat shield.
Description: With active shutter, with dual shutter. Without active shutter. Front panel,U-nut. Air bags. 6x1.0mm. Without full led. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.58
$6.77
MSRP $9.58
$6.77
No.
Part # / Description / Price
Price
11
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
$22.47
MSRP $31.46
$22.47
No.
Part # / Description / Price
Price
13
Tail Pipe Extension GM
GM Positions: Right
Description: Silverado, sierra. 5.3l. Right. Silverado, sierra. 6.2l. With super cruise.
MSRP $224.51
$147.51
MSRP $224.51
$147.51
Related Parts
Part # / Description / Price
Price
Diesel Particulate Filter 1 GM
GM 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
$158.48
Catalytic Converter Brace Bracket GM
GM Description: Helps align and secure your vehicle's catalytic converter
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $19.99
$14.27
MSRP $19.99
$14.27
Exhaust System Insulator GM
GM Description: 6.0L. 3.6L, 2015-16. 3.6L 2017-21. 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 $61.63
$42.16
MSRP $61.63
$42.16
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.