SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2004 GMC Sierra 2500 HD Emissions & Sensors

What year is your
Free Same Day Shipping

2004 GMC Sierra 2500 HD Emissions & Sensors

Filter Results
  • Notify When Available

    VIDEO

    Mass Air Flow Sensor

    Replaces Mass Air Flow Sensor TRQ ESA48429

    3 reviews
    Brand: TRQ
    - ESA48429

    $54.95
    Save 43%
    List $95.95 Save $41.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces Mass Air Flow Sensor TRQ ESA48429

    VIDEO

    Mass Air Flow Sensor
    3 reviews
    Brand: TRQ - ESA48429
    $54.95
    Save 43%
    List $95.95 Save $41.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    MAP Sensor

    Replaces MAP Sensor TRQ ESA94888

    69 reviews
    Brand: TRQ
    - ESA94888

    $28.95
    Save 15%
    List $33.95 Save $5.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces MAP Sensor TRQ ESA94888

    VIDEO

    MAP Sensor
    69 reviews
    Brand: TRQ - ESA94888
    $28.95
    Save 15%
    List $33.95 Save $5.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2004 GMC Sierra 2500 HD V8 8.1L Downstream Left O2 Oxygen Sensor TRQ OSA61719

    2 reviews
    Brand: TRQ
    - OSA61719

    $44.95
    Save 21%
    List $56.95 Save $12.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces 2004 GMC Sierra 2500 HD V8 8.1L Downstream Left O2 Oxygen Sensor TRQ OSA61719

    VIDEO

    O2 Oxygen Sensor
    2 reviews
    Brand: TRQ - OSA61719
    $44.95
    Save 21%
    List $56.95 Save $12.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    Fuel Vapor Charcoal Canister

    Replaces Vapor Canister TRQ EVA43172

    7 reviews
    Brand: TRQ
    - EVA43172
    $99.95
    Save 18%
    List $121.95 Save $22.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces Vapor Canister TRQ EVA43172

    VIDEO

    Fuel Vapor Charcoal Canister
    7 reviews
    Brand: TRQ - EVA43172
    $99.95
    Save 18%
    List $121.95 Save $22.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available
    Kit image

    Replaces 2 Piece O2 Oxygen Sensor Set TRQ OSA60239

    11 reviews
    Brand: TRQ
    - OSA60239

    • Quantity: 2 Piece
    • Kit Includes: (2) Upstream O2 Oxygen Sensors
    $74.95
    Save 18%
    List $90.95 Save $16.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces 2 Piece O2 Oxygen Sensor Set TRQ OSA60239

    Kit image
    11 reviews
    Brand: TRQ - OSA60239
    • Quantity: 2 Piece
    • Kit Includes: (2) Upstream O2 Oxygen Sensors
    $74.95
    Save 18%
    List $90.95 Save $16.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61215

    8 reviews
    Brand: TRQ
    - OSA61215

    $44.95
    Save 21%
    List $56.95 Save $12.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces O2 Oxygen Sensor TRQ OSA61215

    VIDEO

    O2 Oxygen Sensor
    8 reviews
    Brand: TRQ - OSA61215
    $44.95
    Save 21%
    List $56.95 Save $12.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    EGR Valve

    Replaces 2004 GMC Sierra 2500 HD V8 8.1L EGR Valve TRQ EGA48393

    Brand: TRQ
    - EGA48393

    $74.95
    Save 18%
    List $90.95 Save $16.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces 2004 GMC Sierra 2500 HD V8 8.1L EGR Valve TRQ EGA48393

    VIDEO

    EGR Valve
    Brand: TRQ - EGA48393
    $74.95
    Save 18%
    List $90.95 Save $16.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available
    2001-06 Pickup & Van 6.6L Turbo Diesel (3.3 Bar) Map Sensor

    Replaces MAP Sensor TRQ ESA94890

    5 reviews
    Brand: TRQ
    - ESA94890

    $29.95
    Save 27%
    List $40.95 Save $11.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces MAP Sensor TRQ ESA94890

    2001-06 Pickup & Van 6.6L Turbo Diesel (3.3 Bar) Map Sensor
    5 reviews
    Brand: TRQ - ESA94890
    $29.95
    Save 27%
    List $40.95 Save $11.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    Vapor Canister Vent Solenoid

    Replaces Vapor Canister Vent Solenoid TRQ EVA47802

    1 reviews
    Brand: TRQ
    - EVA47802
    $69.95
    Save 15%
    List $81.95 Save $12.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces Vapor Canister Vent Solenoid TRQ EVA47802

    VIDEO

    Vapor Canister Vent Solenoid
    1 reviews
    Brand: TRQ - EVA47802
    $69.95
    Save 15%
    List $81.95 Save $12.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

  • Notify When Available

    VIDEO

    Vapor Canister Vent Solenoid

    Replaces Vapor Canister Vent Solenoid TRQ EVA47794

    1 reviews
    Brand: TRQ
    - EVA47794
    $109.95
    Save 21%
    List $138.95 Save $29.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Replaces Vapor Canister Vent Solenoid TRQ EVA47794

    VIDEO

    Vapor Canister Vent Solenoid
    1 reviews
    Brand: TRQ - EVA47794
    $109.95
    Save 21%
    List $138.95 Save $29.00

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

    Guaranteed to Fit 2004 GMC Sierra 2500 HD

1

...

1 2

...

2
Close



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
Select Your Vehicle

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

Year
Make
Model
Options
Drivetrain

This part does not fit a

.
Show parts that fit