Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2021 GMC Sierra 1500 Engine & Engine Management

What year is your
Free Same Day Shipping

2021 GMC Sierra 1500 Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    Kit image

    Replaces 9 Piece Ignition Kit TRQ ICA65496

    4 reviews
    Brand: TRQ - ICA65496

    • Ignition Coil Type: Direct Replacement
    • Quantity: 9 Piece
    • Kit Includes: (1) Spark Plug Wire Set
    • Kit Includes: (8) Ignition Coils
    • Ignition Coil Color: Black
    $218.95
    Save 24%
    List $287.95 Save $69.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available
    Ignition Coil Set

    Replaces 2021 GMC Sierra 1500 L4 2.7L 4 Piece Ignition Coil Set TRQ ICA71078

    Brand: TRQ - ICA71078

    • Ignition Coil Color: Black
    • Quantity: 4 Piece
    • Ignition Coil Type: Direct Replacement
    • Kit Includes: (4) Ignition Coils
    $123.95
    Save 26%
    List $167.95 Save $44.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Camshaft Position Sensor

    Replaces 2021 GMC Sierra 1500 Camshaft Position Sensor TRQ ESA43042

    Brand: TRQ - ESA43042
    $28.95
    Save 28%
    List $39.95 Save $11.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Kit image

    Replaces 9 Piece Ignition Kit TRQ Performance TKA19297

    Brand: TRQ Performance - TKA19297

    • Kit Includes: (1) Spark Plug Wire Set
    • Quantity: 9 Piece
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    • Kit Includes: (8) Performance Ignition Coils
    $252.95
    Save 29%
    List $355.95 Save $103.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available
    Valve Cover

    Replaces Passenger Side Valve Cover TRQ VCA57414

    Brand: TRQ - VCA57414

    $71.95
    Save 36%
    List $112.95 Save $41.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available
    Serpentine Belt Idler Pulley

    Replaces Serpentine Belt Idler Pulley TRQ BPA77501

    Brand: TRQ - BPA77501

    $29.95
    Save 32%
    List $43.95 Save $14.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Engine Knock Sensor

    Replaces Engine Knock Sensor TRQ ESA90046

    Brand: TRQ - ESA90046

    Out of Stock

    $ 34.95

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Throttle Body Assembly

    Replaces 2021 GMC Sierra 1500 V6 4.3L Throttle Body Assembly TRQ TBA71204

    Brand: TRQ - TBA71204

    Out of Stock

    $ 123.95

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Ignition Coil Kit

    Replaces 9 Piece Ignition Kit DIY Solutions IGN01210

    4 reviews
    Brand: DIY Solutions - IGN01210

    • Spark Plug Type: Iridium
    • Quantity: 9 Piece
    • Kit Includes: (1) Spark Plug Wire Set
    • Kit Includes: (8) Spark Plugs

    Out of Stock

    $ 149.95

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

  • Notify When Available
    Kit image

    Replaces 8 Piece Spark Plug Set ACDelco ACETK00011

    2 reviews
    Brand: ACDelco - ACETK00011

    • Spark Plug Type: Iridium
    • Quantity: 8 Piece
    • Kit Includes: (8) Spark Plugs
    $97.95
    Save 31%
    List $140.95 Save $43.00

    Guaranteed to Fit 2021 GMC Sierra 1500

    Guaranteed to Fit 2021 GMC Sierra 1500

1

...

1 2 3 4

...

4
Close



GMC is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by GMC or General Motors Company. See all trademarks.
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.