Skip to content
Help center
Shopping For:

Select Your Vehicle

Shop paint, body parts, and accessories that fit.
Shop Parts

2021 GMC Sierra 1500 Base 6 Cyl 4.3L

Front Passenger Side Fender image
Front Passenger Side Fenders
Front Driver Side Fender image
Front Driver Side Fenders
Front Bumper image
Front Bumpers
Rear Bumper image
Rear Bumpers
Front Driver Side Bumper Support image
Front Driver Side Bumper Supports
Front Bumper Face Bar image
Front Bumper Face Bars
Rear Bumper Assembly image
Rear Bumper Assemblys
Wheel Molding image
Wheel Moldings
Passenger Side Door Mirror image
Passenger Side Door Mirrors
Front Passenger Side Bumper Support image
Front Passenger Side Bumper Supports
Passenger Side Tail Light Assembly image
Passenger Side Tail Light Assemblys
Hood image
Hoods
Rear Bumper Step Pad image
Rear Bumper Step Pads
Rear Driver Side Wheel Arch Molding image
Rear Driver Side Wheel Arch Moldings
Rear Passenger Side Bumper to Body Filler Panel image
Rear Passenger Side Bumper to Body Filler Panels
Rear Driver Side Bumper to Body Filler Panel image
Rear Driver Side Bumper to Body Filler Panels
Passenger Side Door Mirror Cover image
Passenger Side Door Mirror Covers
Rear Driver Side Bumper Insert image
Rear Driver Side Bumper Inserts
Hood Hinge Kit image
Hood Hinge Kits
Front Driver Side Bumper Bracket image
Front Driver Side Bumper Brackets
Driver Side Fog Light Assembly image
Driver Side Fog Light Assemblys
Driver Side Tail Light Assembly image
Driver Side Tail Light Assemblys
Passenger Side Fender Liner image
Passenger Side Fender Liners
Lower Undercar Shield image
Lower Undercar Shields
Automatic Transmission Oil Cooler Assembly image
Automatic Transmission Oil Cooler Assemblys
A/C Condenser image
A/C Condensers
Radiator image
Radiators
Passenger Side Headlight Assembly image
Passenger Side Headlight Assemblys
Driver Side Headlight Assembly image
Driver Side Headlight Assemblys
Passenger Side Radiator Support image
Passenger Side Radiator Supports
Driver Side Radiator Support image
Driver Side Radiator Supports
Grille Air Intake image
Grille Air Intakes
Front Bumper Deflector image
Front Bumper Deflectors
Radiator Outlet Tank image
Radiator Outlet Tanks
Engine Cooling Fan Assembly image
Engine Cooling Fan Assemblys
Hood Latch image
Hood Latchs
Rear Passenger Side Wheel Arch Molding image
Rear Passenger Side Wheel Arch Moldings
Hood Release Handle image
Hood Release Handles
Radiator Support image
Radiator Supports
Washer Fluid Reservoir image
Washer Fluid Reservoirs
Passenger Side Grille Air Intake image
Passenger Side Grille Air Intakes
Driver Side Grille Air Intake image
Driver Side Grille Air Intakes
Trailer Hitch Drawbar image
Trailer Hitch Drawbars
Rear Passenger Side Bumper Step Pad image
Rear Passenger Side Bumper Step Pads
Driver Side Door Mirror Cover image
Driver Side Door Mirror Covers
Parking Aid Sensor Bracket image
Parking Aid Sensor Brackets
Passenger Side Door Mirror Glass image
Passenger Side Door Mirror Glasss
Rear Driver Side Bumper Step Pad image
Rear Driver Side Bumper Step Pads
Rear Passenger Side Bumper Insert image
Rear Passenger Side Bumper Inserts
Driver Side Door Mirror Glass image
Driver Side Door Mirror Glasss
Rear Driver Side Bumper Bracket image
Rear Driver Side Bumper Brackets
Rear Passenger Side Bumper Bracket image
Rear Passenger Side Bumper Brackets
Rear Driver Side Bumper Support image
Rear Driver Side Bumper Supports
Rear Driver Side Fender Liner image
Rear Driver Side Fender Liners
Rear Passenger Side Fender Liner image
Rear Passenger Side Fender Liners
Front Hood Molding image
Front Hood Moldings
Hood Lift Support Assembly image
Hood Lift Support Assemblys
Front Driver Side Mud Guard image
Front Driver Side Mud Guards
Front Tow Hook image
Front Tow Hooks
Front Passenger Side Mud Guard image
Front Passenger Side Mud Guards
Front Passenger Side Fender Brace image
Front Passenger Side Fender Braces
Front Driver Side Fender Brace image
Front Driver Side Fender Braces
Driver Side Door Mirror image
Driver Side Door Mirrors
Rear Passenger Side Bumper Support image
Rear Passenger Side Bumper Supports
Front Passenger Side Bumper Bracket image
Front Passenger Side Bumper Brackets
Driver Side Headlight Bracket image
Driver Side Headlight Brackets
Passenger Side Headlight Bracket image
Passenger Side Headlight Brackets
Passenger Side Fog Light Assembly image
Passenger Side Fog Light Assemblys
Driver Side License Plate Light Housing image
Driver Side License Plate Light Housings
Passenger Side License Plate Light Housing image
Passenger Side License Plate Light Housings
Tailgate Molding image
Tailgate Moldings
Lower Engine Cover image
Lower Engine Covers
Upper Grille Air Deflector image
Upper Grille Air Deflectors
Passenger Side Grille Air Deflector image
Passenger Side Grille Air Deflectors
Grille image
Grilles
Driver Side Grille Air Deflector image
Driver Side Grille Air Deflectors
Driver Side Fender Liner image
Driver Side Fender Liners
Front Passenger Side Tow Hook image
Front Passenger Side Tow Hooks
Front Driver Side Tow Hook image
Front Driver Side Tow Hooks
Front Lower Bumper image
Front Lower Bumpers
Front Passenger Side Bumper Insert image
Front Passenger Side Bumper Inserts
Front Driver Side Bumper Insert image
Front Driver Side Bumper Inserts
Front License Plate Bracket image
Front License Plate Brackets

Choose your paint format

Factory-matched color for every repair.

Made for 2021 GMC Sierra 1500 Base 6 Cyl 4.3L

Auto Parts

Browse replacement body parts and components that fit the vehicle in your garage.

Filters

  • Save 49% Save 40%
    $621.13
    $509.11
    $621.13
    $371.19
    $371.19
    $371.19

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Passenger Side Fender - GM1241413

    In stock
    Fitment: GMC SIERRA 1500 2019-2024, GMC SIERRA 1500 LIMITED 2022

    The GMC Sierra 1500 Front Passenger Side Fender part number GM1241413 is a compatible replacement for model years 2019, 2020, 2021, 2022, 2023, 2...

    View full details
    $621.13
    $509.11
    $621.13
    $371.19
    $371.19
    $371.19
    Save 49% Save 40%
  • Save 45% Save 42%
    $597.77
    $483.69
    $597.77
    $346.72
    $346.72
    $346.72

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Driver Side Fender - GM1240413

    In stock
    Fitment: GMC SIERRA 1500 2019-2024, GMC SIERRA 1500 LIMITED 2022

    The GMC Sierra 1500 Front Driver Side Fender part number GM1240413 is a compatible replacement for model years 2019, 2020, 2021, 2022, 2023, 2024...

    View full details
    $597.77
    $483.69
    $597.77
    $346.72
    $346.72
    $346.72
    Save 45% Save 42%
  • Save 46% Save 47%
    $545.63
    $337.45
    $545.63
    $290.49
    $290.49
    $290.49

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Upper Bumper - GM1014140

    In stock
    Fitment: 2019-2022 GMC Sierra 1500

    The GMC Sierra 1500 Front Upper Bumper part number GM1014140 is a compatible replacement for model years 2019, 2020, 2021, 2022. This front bumper...

    View full details
    $545.63
    $337.45
    $545.63
    $290.49
    $290.49
    $290.49
    Save 46% Save 47%
  • Save 55% Save 55%
    $1,275.27
    $632.46
    $1,275.27
    $571.74
    $571.74
    $571.74

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper without Blind Spot Module - GM1102571

    In stock
    Fitment: CHEVROLET SILVERADO 2019-2023, GMC SIERRA 2019-2023

    The Chevrolet Silverado/GMC Sierra 1500 Dual Exhaust Rear Bumper; without Blind Spot Module part number GM1102571 is a compatible replacement for...

    View full details
    $1,275.27
    $632.46
    $1,275.27
    $571.74
    $571.74
    $571.74
    Save 55% Save 55%
  • Save 55% Save 55%
    $1,242.23
    $583.29
    $1,242.23
    $563.35
    $563.35
    $563.35

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper with Blind Spot Module - GM1102572

    In stock
    Fitment: CHEVROLET SILVERADO 2019-2023, GMC SIERRA 2019-2023

    The Chevrolet Silverado/GMC Sierra 1500 Dual Exhaust Rear Bumper; with Blind Spot Module part number GM1102572 is a compatible replacement for mo...

    View full details
    $1,242.23
    $583.29
    $1,242.23
    $563.35
    $563.35
    $563.35
    Save 55% Save 55%
  • $31.36
    $31.36
    $31.36
    $31.36

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Driver Side Bumper Support Support Brace Bracket - GM1062135

    In stock
    Fitment: 2019-2024 Chevrolet Silverado 1500, 2019-2024 GMC Sierra 1500, 2022 Chevrolet Silverado 1500 LTD, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited/Chevrolet Silverado 1500/Silverado 1500 LTD Front Driver Side Bumper Support Support Brace Bracket part number G...

    View full details
    $31.36
    $31.36
    $31.36
    $31.36
  • Save 47% Save 46%
    $1,029.99
    $711.90
    $1,029.99
    $554.96
    $554.96
    $554.96

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper with Blind Spot Module - GM1102574

    In stock
    Fitment: CHEVROLET SILVERADO 1500/2500/3500 2019-2023, GMC SIERRA/DENALI 1500/2500/3500 2019-2023

    The Chevrolet Silverado/GMC Sierra/Denali 1500/2500/3500 Single Exhaust Rear Bumper with Blind Spot Module part number GM1102574 is a compatible ...

    View full details
    $1,029.99
    $711.90
    $1,029.99
    $554.96
    $554.96
    $554.96
    Save 47% Save 46%
  • Save 47% Save 45%
    $828.88
    $635.66
    $828.88
    $457.73
    $457.73
    $457.73

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Without Blind Spot Module - GM1102569

    In stock
    Fitment: CHEVROLET SILVERADO 1500/2500/3500 SINGLE EXHAUST 2019-2023, GMC SIERRA/DENALI 1500/2500/3500 SINGLE EXHAUST 2019-2023

    The Chevrolet Silverado/GMC Sierra/Denali 1500/2500/3500 Single Exhaust Rear Bumper without Blind Spot Module part number GM1102569 is a compatib...

    View full details
    $828.88
    $635.66
    $828.88
    $457.73
    $457.73
    $457.73
    Save 47% Save 45%
  • $572.18
    $572.18
    $572.18
    $572.18

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Bumper Face Bar W/Parking Assist - GM1002877

    In stock
    Fitment: 2019-2021 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Front Bumper Face Bar W/Parking Assist part number GM1002877 is a compatible replacement for model years 2019, 2...

    View full details
    $572.18
    $572.18
    $572.18
    $572.18
  • $535.50
    $535.50
    $535.50
    $535.50

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Bumper Face Bar W/O Parking Assist - GM1002876

    In stock
    Fitment: 2019-2021 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Front Bumper Face Bar W/O Parking Assist part number GM1002876 is a compatible replacement for model years 2019,...

    View full details
    $535.50
    $535.50
    $535.50
    $535.50
  • Save 61% Save 63%
    $1,649.99
    $766.57
    $1,649.99
    $610.26
    $610.26
    $610.26

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Assembly Without BSD Without Hitch With Lic Lamps - GM1103208

    In stock
    Fitment: CHEVROLET SILVERADO 2019-2023, GMC SIERRA 2019-2023

    The Chevrolet Silverado/GMC Sierra 1500 Single Exhaust Rear Bumper Assembly without BSD without Hitch with Lic Lamps part number GM1103208 is a c...

    View full details
    $1,649.99
    $766.57
    $1,649.99
    $610.26
    $610.26
    $610.26
    Save 61% Save 63%
  • 2019-2023 GMC Denali 1500 Front Passenger Side Wheel Arch Trim - GM1291265-Partify-Painted-Replacement-Body-Parts
    Save 62% Save 62%
    $224.99
    $224.99
    $224.99
    $84.92
    $84.92
    $84.92

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Passenger Side Wheel Arch Trim - GM1291265

    In stock
    Fitment: 2019-2022 GMC Denali 1500

    The GMC Denali 1500 Front Passenger Side Wheel Arch Trim part number GM1291265 is a compatible replacement for model years 2019, 2020, 2021, 2022...

    View full details
    $224.99
    $224.99
    $224.99
    $84.92
    $84.92
    $84.92
    Save 62% Save 62%
  • $233.43
    $233.43
    $233.43
    $233.43

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Passenger Side Door Mirror Pwr Folding W/O Surround View Camera W/Blind Spot Assembly - GM1321630

    In stock
    Fitment: 2019-2024 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Passenger Side Door Mirror Pwr Folding W/O Surround View Camera W/Blind Spot Assembly part number GM1321630 is a...

    View full details
    $233.43
    $233.43
    $233.43
    $233.43
  • $35.25
    $35.25
    $35.25
    $35.25

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Passenger Side Bumper Support Support Brace Bracket - GM1063135

    In stock
    Fitment: 2019-2024 Chevrolet Silverado 1500, 2019-2024 GMC Sierra 1500, 2022 Chevrolet Silverado 1500 LTD, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited/Chevrolet Silverado 1500/Silverado 1500 LTD Front Passenger Side Bumper Support Support Brace Bracket part numbe...

    View full details
    $35.25
    $35.25
    $35.25
    $35.25
  • $361.60
    $617.53
    $361.60
    $617.53

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Passenger Side Tail Light Assembly W/Signature Lamps - GM2801310

    In stock
    Fitment: 2019-2024 GMC Sierra 1502022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Passenger Side Tail Light Assembly W/Signature Lamps part number GM2801310 is a compatible replacement for model...

    View full details
    $361.60
    $617.53
    $361.60
    $617.53
  • 2019-2023 GMC Denali 1500 Front Driver Side Wheel Arch Trim - GM1290265-Partify-Painted-Replacement-Body-Parts
    Save 73% Save 73%
    $244.99
    $244.99
    $244.99
    $66.08
    $66.08
    $66.08

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Driver Side Wheel Arch Trim - GM1290265

    In stock
    Fitment: GMC SIERRA 1500 2019-2025, GMC SIERRA 1500 LIMITED 2022

    The GMC Sierra 1500 Front Driver Side Wheel Arch Trim part number GM1290265 is a compatible replacement for model years 2019, 2020, 2021, 2022, 2...

    View full details
    $244.99
    $244.99
    $244.99
    $66.08
    $66.08
    $66.08
    Save 73% Save 73%
  • Save 48% Save 49%
    $2,084.70
    $1,240.92
    $2,084.70
    $1,060.58
    $1,060.58
    $1,060.58

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Assembly; with BSD; with Lic Lamps; with Sensor Brkts - GM1103211

    In stock
    Fitment: CHEVROLET SILVERADO 2019-2023, GMC SIERRA 2019-2023

    The Chevrolet Silverado/GMC Sierra 1500 Dual Exhaust Rear Bumper Assembly; with BSD; with Lic Lamps; with Sensor Brackets part number GM1103211 i...

    View full details
    $2,084.70
    $1,240.92
    $2,084.70
    $1,060.58
    $1,060.58
    $1,060.58
    Save 48% Save 49%
  • $665.65
    $665.65
    $665.65
    $665.65

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Assembly Single Exh W/Blind Spot Module Chrome - GM1103216

    In stock
    Fitment: 2019-2024 Chevrolet Silverado 1500, 2019-2024 GMC Sierra 1500, 2022 Chevrolet Silverado 1500 LTD, 2022 GMC Sierra 1500 Limited

    The Chevrolet Silverado 1500/1500 LTD/GMC Sierra 1500/Sierra 1500 Limited Rear Bumper Assembly Single Exh W/Blind Spot Module Chrome part number ...

    View full details
    $665.65
    $665.65
    $665.65
    $665.65
  • Save 59% Save 59%
    $2,113.99
    $909.99
    $2,113.99
    $872.34
    $872.34
    $872.34

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Hood Aluminum - GM1230477

    In stock
    Fitment: 2019-2023 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Hood Aluminum part number GM1230477 is a compatible replacement for model years 2019, 2020, 2021, 2022, 2023, 20...

    View full details
    $2,113.99
    $909.99
    $2,113.99
    $872.34
    $872.34
    $872.34
    Save 59% Save 59%
  • $143.88
    $156.68
    $143.88
    $156.68

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Step Pad Center Pad - GM1191154

    In stock
    Fitment: 2019-2024 Chevrolet Silverado 1502019-2024 GMC Sierra 1502020-2025 Chevrolet Silverado 2502020-2025 Chevrolet Silverado 3502020-2025 GMC Sierra 2502020-2025 GMC Sierra 3502022 Chevrolet Silverado 1500 LTD, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited/2500/3500/Chevrolet Silverado 1500/Silverado 1500 LTD/Silverado 2500/Silverado 3500 Rear Bumper Step Pad Center ...

    View full details
    $143.88
    $156.68
    $143.88
    $156.68
  • $183.07
    $183.07
    $183.07
    $183.07

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Passenger Side Door Mirror Pwr Folding W/O Surround View Camera W/O Blind Spot Chrome - GM1321629

    In stock
    Fitment: 2019-2022 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Passenger Side Door Mirror Pwr Folding W/O Surround View Camera W/O Blind Spot Chrome part number GM1321629 is a...

    View full details
    $183.07
    $183.07
    $183.07
    $183.07
  • $28.93
    $28.93
    $28.93
    $28.93

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Front Passenger Side Bumper Support Side Guide Assy Bracket - GM1063142

    In stock
    Fitment: 2019-2024 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited

    The GMC Sierra 1500/1500 Limited Front Passenger Side Bumper Support Side Guide Assy Bracket part number GM1063142 is a compatible replacement fo...

    View full details
    $28.93
    $28.93
    $28.93
    $28.93
  • Save 88% Save 90%
    $6,799.46
    $844.21
    $6,799.46
    $666.01
    $666.01
    $666.01

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Assembly; without Park; without Blind Spot Module; without Hitch - GM1103221

    In stock
    Fitment: CHEVROLET SILVERADO 2019-2023, GMC SIERRA 2019-2023

    The Chevrolet Silverado/GMC Sierra 1500 Single Exhaust Rear Bumper Assembly; without Park; without Blind Spot Module; without Hitch part number G...

    View full details
    $6,799.46
    $844.21
    $6,799.46
    $666.01
    $666.01
    $666.01
    Save 88% Save 90%
  • Save 50% Save 52%
    $1,898.40
    $1,094.56
    $1,898.40
    $919.94
    $919.94
    $919.94

    2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Bumper Assembly; without BSD; without Hitch; with Lic Lamps - GM1103210

    In stock
    Fitment: CHEVROLET SILVERADO 2019-2023, GMC SIERRA 2019-2023

    The Chevrolet Silverado/GMC Sierra 1500 Dual Exhaust Rear Bumper Assembly; without BSD; without Hitch; with Lic Lamps part number GM1103210 is a ...

    View full details
    $1,898.40
    $1,094.56
    $1,898.40
    $919.94
    $919.94
    $919.94
    Save 50% Save 52%

2021 GMC Sierra 1500 Base 6 Cyl 4.3L

Restore and enhance your 2021 GMC Sierra 1500 Base 6 Cyl 4.3L with our premium selection of replacement auto parts, expertly tailored for models equipped with the 6 Cyl 4.3L engine. Discover high-quality painted bumpers, hoods, grilles, fender liners, and more. All engineered for an exact fit to your vehicle’s unique submodel and engine configuration. Our painted-to-match service uses advanced color-matching technology for a flawless OEM finish, ensuring your Sierra 1500 looks as good as new. Trust our professional team for superior durability, fast shipping, and guaranteed fitment—get your 2021 GMC Sierra 1500 Base 6 Cyl 4.3L back on the road in style and confidence.

CAN'T FIND THE RIGHT PART?

Tell us what you need

We'll check availability or correct the listing and email you with an update.