Exhaust System/Rear fit your 2021 GMC Sierra 3500 HD 4WD

Currently shopping for

2021 GMC Sierra 3500 HD 4WD

Change Vehicle

Categories Close X

Currently selected

Fuel System, Exhaust, Emission System

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers, Fascias

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transfer Case

Transmission - Automatic

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

NUT, Exhaust Pipe
11517996
NUT, EXHAUST REAR HANGER(M10X1.5X11)(21.5 OUTSIDE DIAMETER)(8.917)
Fitting Vehicle Options: CK310,314(L5P), CK310,314(L8T)
Require Quantity: 02
Package Quantity: 1
$7.38 $4.46
1
Add To Cart
11517996
NUT, EXHAUST HANGER BRACKET(M10X1.5X11)(21.5 OUTSIDE DIAMETER)(8.917)
- Fitting Vehicle Options: CK310,314
- Require Quantity: 02
- Package Quantity: 1
$7.38 $4.46
1
Add To Cart
15709703
NUT, EXHAUST SYSTEM REAR(M10)(NON-LUBRICATED FLANGE)(8.915)
- Fitting Vehicle Options: CK2,3(L5P)
- Require Quantity: 04
- Package Quantity: 10
$6.06 $4.05
10
Add To Cart
15709703
NUT, EXHAUST SYSTEM REAR(M10)(NON-LUBRICATED FLANGE)(8.915)
- Fitting Vehicle Options: CK2,3(L8T)
- Require Quantity: 02
- Package Quantity: 10
$6.06 $4.05
10
Add To Cart
15032594
NUT, EXHAUST SYSTEM REAR(HEXAGON M10X1.5)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
- Require Quantity: 04
- Package Quantity: 10
$6.17 $4.13
10
Add To Cart
15032594
NUT, EXHAUST SYSTEM REAR(HEXAGON M10X1.5)
- Fitting Vehicle Options: CK2,3(03-43-53)(L8T)
- Require Quantity: 02
- Package Quantity: 10
$6.17 $4.13
10
Add To Cart
15672093
NUT, EXHAUST HANGER BRACKET(M10X1.5)(7.874)
- Fitting Vehicle Options: CK2,3(43-53)
- Require Quantity: 02
- Package Quantity: 10
$4.14 $2.63
10
Add To Cart

BOLT, Computer Control Sensors
11515767
BOLT, EXHAUST PRESSURE SENSOR BRACKET(M10X1.5X35)(BOLT,HEX FLANGED HEAD)(8.900)
Fitting Vehicle Options: CK2,3(L5P)
$1.22 $0.79
10
Add To Cart
11588713
BOLT, EXHAUST PRTLT SENSOR(M6X1X25)(8.900)
- Fitting Vehicle Options: CK2,3(03-43-53)
- Require Quantity: 02
- Package Quantity: 1
$6.19 $4.78
1
Add To Cart
11570007
BOLT, EXHAUST PRESSURE SENSOR BRACKET(M8X1.25X23)(BOLT-HEXAGON W/CONICAL WASHER)(*KIT1)(8.900)
- Fitting Vehicle Options: CK2,3(L5P)
$11.57 $7.35
1
Add To Cart
11610135
BOLT, EXHAUST PRTLT SENSOR(M8X1.25X24)(STUD - DOUBLE END HEXFLANGE, M-POINTS)(2.559)
- Fitting Vehicle Options: CK3(L5P)
- Require Quantity: 02
- Package Quantity: 1
$4.76 $3.02
1
Add To Cart
11519507
BOLT, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE CLA(PART OF 14)(M6X1X38)(W/WASHER)(*KIT1)(8.900)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
$6.38 $4.05
11519507
BOLT, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE CLA(PART OF 15)(M6X1X38)(W/WASHER)(*KIT1)(8.900)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
$6.38 $4.05

11515767
BOLT, Exhaust Pipe, BOLT,EXHAUST HANGER BRACKET(M10X1.5X35)(BOLT,HEX FLANGED HEAD)(8.900)
- Require Quantity: 02
- Package Quantity: 10
$1.22 $0.79
10
Add To Cart

INSULATOR, Exhaust Pipe
15092802
INSULATOR, EXHAUST SYSTEM(2-HOLE)(3.704)
Fitting Vehicle Options: CK209,309(03-43-53)(L5P)
Require Quantity: 02
Package Quantity: 1
$34.28 $22.94
1
Add To Cart
15092802
INSULATOR, EXHAUST SYSTEM(2-HOLE)(3.704)
- Fitting Vehicle Options: CK209,309(03-43-53)(L5P), CK209,309(53)(L5P), CK307(43)(L5P), CK310,314(03-43)(L5P), CK2,3(43-53)(L8T), CK209,309(03)(L8T), CK310,314(L8T)
$34.28 $22.94
1
Add To Cart
15092802
INSULATOR, EXHAUST SYSTEM(PART OF 1)(2-HOLE)(3.704)
- Fitting Vehicle Options: CK310,314(03-43)(L5P)
$34.28 $22.94
1
Add To Cart
15092802
INSULATOR, EXHAUST SYSTEM(2-HOLE)(3.704)
- Fitting Vehicle Options: CK310,314(03-43)(L5P)
$34.28 $22.94
1
Add To Cart
84612889
INSULATOR, EXHAUST SYSTEM(PART OF 1)(2-HOLE)
- Fitting Vehicle Options: CK209,309(03-43-53)(L5P), CK310(43)(L5P), CK310,314(03)(L5P)
- Require Quantity: 02
- Package Quantity: 1
$16.08 $10.76
1
Add To Cart
84612889
INSULATOR, EXHAUST SYSTEM(PART OF 10)(2-HOLE)
- Fitting Vehicle Options: CK207,307(43)(L5P)
- Require Quantity: 02
- Package Quantity: 1
$16.08 $10.76
1
Add To Cart

INSULATOR, Exhaust Muffler/Resonator
15092802
INSULATOR, EXHAUST MUFFLER HANGER(2-HOLE)
Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
$34.28 $22.94
1
Add To Cart
15092802
INSULATOR, EXHAUST MUFFLER HANGER(PART OF 7)(2-HOLE)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
$34.28 $22.94
1
Add To Cart
15092802
INSULATOR, EXHAUST MUFFLER HANGER(2-HOLE)(*KIT1)
- Fitting Vehicle Options: CK310,314(L8T)
$34.28 $22.94
1
Add To Cart
15092802
INSULATOR, EXHAUST MUFFLER HANGER(PART OF 4)(2-HOLE)
- Fitting Vehicle Options: CK310,314(L8T)
$34.28 $22.94
1
Add To Cart

NUT, Computer Control Sensors
11546364
NUT, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE CLA(PART OF 14)(M6X1X7.3)(PREVENT TORQUE)(10MM SOCKET)(*KIT1)(10.455)
Fitting Vehicle Options: CK2,3(03), CK2,3(03-43-53)
Require Quantity: 02
Package Quantity: 1
$6.73 $4.50
1
Add To Cart
11546364
NUT, EXHAUST PRTLT SENSOR(M6X1X7.3)(PREVENT TORQUE)(10MM SOCKET)(*KIT1)(10.455)
- Fitting Vehicle Options: CK2,3(03-43-53)
$6.73 $4.50
1
Add To Cart
11546364
NUT, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE CLA(PART OF 15)(M6X1X7.3)(PREVENT TORQUE)(10MM SOCKET)(*KIT1)(10.455)
- Fitting Vehicle Options: CK2,3(03-43-53), CK2,3(03)
- Require Quantity: 02
- Package Quantity: 1
$6.73 $4.50
1
Add To Cart
11546377
NUT, EXHAUST PRTLT SENSOR(M8X1.25)(13MM SOCKET)(9.242)
- Fitting Vehicle Options: CK310,314(03-43)
- Require Quantity: 02
- Package Quantity: 1
$8.48 $4.73
1
Add To Cart
15672093
NUT, EXHAUST PRESSURE SENSOR BRACKET(M10X1.5)(7.874)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
$4.14 $2.63
10
Add To Cart
11548981
NUT, EXHAUST PRTLT SENSOR(M6X1)(U-NUT)
- Fitting Vehicle Options: CK207,209,307,309(03-43-53)(L5P)
- Require Quantity: 02
- Package Quantity: 1
$9.47 $6.01
1
Add To Cart
11546389
NUT, EXHAUST PRTLT SENSOR(M6X1X6)(3.373)
- Fitting Vehicle Options: CK310,314(03-43)(L5P)
- Require Quantity: 02
- Package Quantity: 1

15126137
SEAL, Exhaust Pipe, SEAL,EXHAUST SYSTEM
- Replaced By: 37183442
$12.97 $8.67
1
Add To Cart

15157936
CLIP, Chassis/Engine Wiring Harness, CLIP,WIRING HARNESS(BLACK)(HOLDS 8.75 DIAMETER LINE, NYLON)(5.387)
- Require Quantity: 06
- Package Quantity: 1
$13.04 $8.16
1
Add To Cart

11588713
BOLT, Fuel Injection, BOLT,FUEL INJECTOR BRACKET(LOW PRESSURE DIESEL HYDROCARBON)(M6X1X25)(8.900)
$6.19 $4.78
1
Add To Cart

11569719
NUT, Emission System, NUT,EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE (POSITION 2)(*KIT1)
$10.24 $5.43
1
Add To Cart

SENSOR, Computer Control Sensors

12677718
SENSOR, EXHAUST PRESSURE DIFFERENTIAL(*KIT1)
$40.26 $22.14
1
Add To Cart
12683525
SENSOR, EXHAUST GASOLINE TEMPERATURE (BANK 1 SENSOR 5)(M/W CONNECT 19332628)
$72.02 $34.69
1
Add To Cart
12683525
SENSOR, EXHAUST GASOLINE TEMPERATURE (BANK 1 SENSOR 4)(M/W CONNECT 19332628)
$72.02 $34.69
1
Add To Cart
12696927
SENSOR, EXHAUST PRTLT(MATING CONNECT USE 13581092)
$191.42 $105.09
1
Add To Cart

CONVERTER, Catalytic Converter
84653314
CONVERTER, WARM UP 3WAY CATALYTIC(W/EXHAUST PIPE)(SEE GROUP 03 "EXHAUST SYSTEM/FRONT" FOR DETAILED ILLUSTRATED VIEW)
Fitting Vehicle Options: CK2,3(03-43-53)(L8T)
$2931.67 $1952.10
1
Add To Cart
84341182
CONVERTER, NITROGEN OXIDE CATALYTIC (W/EXHAUST PIPE)(SEE GROUP 02 "EXHAUST SYSTEM/FRONT" FOR DETAILED ILLUSTRATED VIEW)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
$757.39 $510.55
1
Add To Cart

11548981
NUT, Fuel Injection, NUT,INDIRECT FUEL INJECTOR(M6X1)(U-NUT)(3.682)
$9.47 $6.01
1
Add To Cart

CLAMP, Computer Control Sensors
11602017
CLAMP, EXHAUST PRESSURE SENSOR HOSE(13.7 DIAMETER X 7 WIDE)(STEPLESS EAR HOSE CLAMP)(*KIT1)
Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
Require Quantity: 02
Package Quantity: 1
$4.13 $2.49
1
Add To Cart
11602018
CLAMP, EXHAUST PRESSURE SENSOR HOSE(14.6 DIAMETER X 7 WIDE)(STEPLESS EAR HOSE CLAMP)(*KIT1)
- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
- Require Quantity: 02
- Package Quantity: 1
$4.14 $2.62
1
Add To Cart
23318219
CLAMP, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE(INCLUDES 13,15)(*KIT1)
- Fitting Vehicle Options: CK209,309(03)(L5P)
- Require Quantity: 02
- Package Quantity: 1
$21.11 $13.41
1
Add To Cart
23318219
CLAMP, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE(INCLUDES 11,15)(*KIT1)
- Fitting Vehicle Options: CK310,314(L5P)
- Require Quantity: 02
- Package Quantity: 1
$21.11 $13.41
1
Add To Cart
23318219
CLAMP, EXHAUST PRESSURE DIFFERENTIAL SENSOR PIPE(INCLUDES 16,17)(*KIT1)
- Fitting Vehicle Options: CK310,314(L5P)
- Require Quantity: 02
- Package Quantity: 1
$21.11 $13.41
1
Add To Cart

12717296
INJECTOR, Fuel Injection, INJECTOR,LOW PRESSURE DIESEL HYDROCARBON
$379.88 $182.95
1
Add To Cart

HANGER, Exhaust Tail Pipe
15092976
HANGER, EXHAUST REAR(INCLUDES 6,8)(3.704)
Fitting Vehicle Options: CK314(03)(L5P)
$49.89 $33.37
1
Add To Cart
84712218
HANGER, EXHAUST REAR(INCLUDES 5)
- Fitting Vehicle Options: CK310,314(L5P)
$22.41 $15.00
1
Add To Cart
84712218
HANGER, EXHAUST REAR
- Fitting Vehicle Options: CK310,314(L5P)
$22.41 $15.00
1
Add To Cart

HANGER, Exhaust Pipe
15092976
HANGER, EXHAUST FRONT(INCLUDES 3-5)(3.704)
Fitting Vehicle Options: CK310,314(03-43-53)(L8T)
$49.89 $33.37
1
Add To Cart
15092976
HANGER, EXHAUST FRONT(INCLUDES 3)(3.704)
- Fitting Vehicle Options: CK310,314(03-43-53)(L8T)
$49.89 $33.37
1
Add To Cart
25851554
HANGER, EXHAUST PIPE(3.706)
- Fitting Vehicle Options: CK2,3(43-53)(L5P)
$46.17 $30.89
1
Add To Cart

15715954
CLIP, Computer Control Sensors, CLIP,EXHAUST TEMPERATURE SENSOR(TREE FITS 6.5 HOLE)(HOLDS (1) 10.5MM GROMMET ROUTING (1) 6.35 SPEED SENSOR CABLE)(4.720)
$6.13 $3.89
1
Add To Cart

MUFFLER, Exhaust
84021293
MUFFLER, EXHAUST(W/EXHAUST PIPE)
Fitting Vehicle Options: CK209,309(03)(L8T)
$766.77 $508.27
1
Add To Cart
84021295
MUFFLER, EXHAUST(W/EXHAUST PIPE)
- Fitting Vehicle Options: CK207,307(43)(L8T)
$808.58 $535.98
1
Add To Cart
84021296
MUFFLER, EXHAUST(W/EXHAUST PIPE)(CODE ACCC)
- Fitting Vehicle Options: CK209,309(53)(L8T)
$759.35 $503.35
1
Add To Cart
84021297
MUFFLER, EXHAUST(W/EXHAUST PIPE)
- Fitting Vehicle Options: CK209,309(43)(L8T)
$752.05 $498.51
1
Add To Cart
84021298
MUFFLER, EXHAUST(W/EXHAUST PIPE)
- Fitting Vehicle Options: CK310(03)(L8T)
$419.13 $279.09
1
Add To Cart
84021299
MUFFLER, EXHAUST(W/EXHAUST PIPE)
- Fitting Vehicle Options: CK314(03)(L8T)
$611.02 $406.86
1
Add To Cart
84559497
MUFFLER, EXHAUST(W/EXHAUST PIPE)
- Fitting Vehicle Options: CK310(43)(L8T)
$352.99 $235.04
1
Add To Cart

PIPE, Emission System
84346522
PIPE, EXHAUST PRESSURE DIFFERENTIAL SENSOR(INCLUDES 8-15,17-22,25,27)
Fitting Vehicle Options: CK310,314(03-43)(L5P)
$85.94 $47.91
1
Add To Cart
84346522
PIPE, EXHAUST PRESSURE DIFFERENTIAL SENSOR(INCLUDES 11-17,19-22,24-26,28,30)
- Fitting Vehicle Options: CK310,314(03-43)(L5P)
$85.94 $47.91
1
Add To Cart
84346523
PIPE, EXHAUST PRESSURE DIFFERENTIAL SENSOR(INCLUDES 6-19,23,24)
- Fitting Vehicle Options: CK209,309(03)(L5P)
$117.02 $74.37
1
Add To Cart

BRACKET, Computer Control Sensors
84535504
BRACKET, EXHAUST PRESSURE DIFFERENTIAL SENSOR(INCLUDES NUT,STUD)(*KIT1)
Fitting Vehicle Options: CK209,309(03-43-53)(L5P), CK2,3(03-43-53)(L5P)
$35.53 $22.59
1
Add To Cart
85108186
BRACKET, EXHAUST PRESSURE DIFFERENTIAL SENSOR(*KIT1)
- Fitting Vehicle Options: CK209,309(03-43-53)(L5P)
$21.94 $13.94
1
Add To Cart
85108187
BRACKET, EXHAUST PRESSURE DIFFERENTIAL SENSOR(*KIT1)
- Fitting Vehicle Options: CK310,314(03-43)(L5P)
$17.99 $11.43
1
Add To Cart

FILTER, Emission Control System
86534424
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 9)
Fitting Vehicle Options: CK207,307(43)(L5P)
$1653.13 $1103.90
1
Add To Cart
86534428
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 2)
- Fitting Vehicle Options: CK209,309(03)(L5P)
$1397.35 $934.32
1
Add To Cart
86534430
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 12)
- Fitting Vehicle Options: CK310(43)(L5P)
$1440.40 $962.86
1
Add To Cart
86534432
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 3)
- Fitting Vehicle Options: CK314(03)(L5P)
$1434.30 $958.82
1
Add To Cart
86534433
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 3)
- Fitting Vehicle Options: CK310(03)(L5P)
$1378.44 $921.78
1
Add To Cart
86534451
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 13)
- Fitting Vehicle Options: CK209,309(53)(L5P)
$1226.55 $821.08
1
Add To Cart
86534453
FILTER, EXHAUST PRTLT (W/EXHAUST PIPE)(INCLUDES 13)
- Fitting Vehicle Options: CK209,309(43)(L5P)
$1259.26 $842.77
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2021 GMC Sierra 3500 HD 4WD parts. Parts like Exhaust System/Rear are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 6.6L, 8 Cyl 6.6L Diesel. Model Code: CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1 TON, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON.