GMC Sierra 2500 / 3500 Parts

New parts listed for the GMC Sierra 2500 / 3500: shocks & struts, engine & cooling, suspension & lift, drivetrain & axle. Product pages show the vehicle list wherever the brand publishes one.

Not sure which part fits your truck? Send your year, make, model and VIN to hello@apertureauto.com and we will confirm fit before it ships. Free shipping to the lower 48 and 30-day returns.

Not sure what fits? Send your year, make, model and VIN to hello@apertureauto.com and we will confirm before it ships. Can't find a part? We can source it.
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  • BD Diesel Flow-MaX Add-On Post Fine Particle Fuel Filter Kit 1050340-PFF

    BD Diesel

    BD Diesel Flow-MaX Add-On Post Fine Particle Fuel Filter Kit 1050340-PFF

    1050340-PFF
    $90.95
  • BD Diesel Intercooler Hose Clamp Kit - 2006-2010 Chevy Duramax (Driver s Side) 1046277

    BD Diesel

    BD Diesel Intercooler Hose Clamp Kit - 2006-2010 Chevy Duramax (Driver s Side) 1046277

    1046277
    $249.95
  • BD Diesel Positive Air Shut-Off (Manual Controlled), for 2004.5-2010 Chevy LLY LBZ LMM 1036712-M

    BD Diesel

    BD Diesel Positive Air Shut-Off (Manual Controlled), for 2004.5-2010 Chevy LLY LBZ LMM 1036712-M

    1036712-M
    $737.95
  • BD Diesel Duramax Deep Sump Allison 1000 Trans Pan - Chevy 2001-2018 1061650

    BD Diesel

    BD Diesel Duramax Deep Sump Allison 1000 Trans Pan - Chevy 2001-2018 1061650

    1061650
    $439.95
  • BD Diesel Duramax Flexplate Chevy GMC 2001-2019 1041260

    BD Diesel

    BD Diesel Duramax Flexplate Chevy GMC 2001-2019 1041260

    1041260
    $459.95
  • BD Diesel Rear Differential Cover AA14-11.5 Dodge 2003-2018 Chevy 2001-2018 1061825

    BD Diesel

    BD Diesel Rear Differential Cover AA14-11.5 Dodge 2003-2018 Chevy 2001-2018 1061825

    1061825
    $347.95
  • Fluidampr GM LS-Series Harmonic Balancer, 7.750 in 760111

    Fluidampr

    Fluidampr GM LS-Series Harmonic Balancer, 7.750 in 760111

    760111
    $492.46
  • BD Diesel E-PAS Positive Air Shut-Off - Chevy 6.6L Duramax 2011-2016 LML 1036759

    BD Diesel

    BD Diesel E-PAS Positive Air Shut-Off - Chevy 6.6L Duramax 2011-2016 LML 1036759

    1036759
    $661.95
  • BD Diesel Positive Air Shut-Off - Chevy 2011-2016 1036713

    BD Diesel

    BD Diesel Positive Air Shut-Off - Chevy 2011-2016 1036713

    1036713
    $1,021.95
  • BD Diesel Positive Air Shut-Off (Manual Controlled) - Chevy 2011-2016 1036713-M

    BD Diesel

    BD Diesel Positive Air Shut-Off (Manual Controlled) - Chevy 2011-2016 1036713-M

    1036713-M
    $741.95
  • BD Diesel Rocker Switch Kit Exhaust Brake - 3 4 Manual Lever 1030910

    BD Diesel

    BD Diesel Rocker Switch Kit Exhaust Brake - 3 4 Manual Lever 1030910

    1030910
    $147.95
  • BD Diesel E-PAS Positive Air Shut-Off, for 2008-2015 Chevy 6.6L LMM LGH Duramax 1036758

    BD Diesel

    BD Diesel E-PAS Positive Air Shut-Off, for 2008-2015 Chevy 6.6L LMM LGH Duramax 1036758

    1036758
    $661.95
  • BD Diesel Exhaust Brake, for 2001-2010 Duramax 6.6L with Stock Exhaust 1024310

    BD Diesel

    BD Diesel Exhaust Brake, for 2001-2010 Duramax 6.6L with Stock Exhaust 1024310

    1024310
    $1,691.95
  • BD Diesel Xtrude Transmission Cooler with Fan - Double Stacked Complete Kit - 5 8in Lines 1030606-DS-58

    BD Diesel

    BD Diesel Xtrude Transmission Cooler with Fan - Double Stacked Complete Kit - 5 8in Lines 1030606-DS-58

    1030606-DS-58
    $1,072.95
  • BD Diesel High Idle Kit Dodge RAM 3.0L 5.9 6.7L Chevy GMC Duramax 1036622

    BD Diesel

    BD Diesel High Idle Kit Dodge RAM 3.0L 5.9 6.7L Chevy GMC Duramax 1036622

    1036622
    $328.95
  • BD Diesel Flow-MaX Add-On Pre Water Separator Filter Kit 1050340-WSP

    BD Diesel

    BD Diesel Flow-MaX Add-On Pre Water Separator Filter Kit 1050340-WSP

    1050340-WSP
    $97.95
  • BD Diesel Allison Pressure Controller - Chevy 2011-2016 Duramax 6.6L LML 1031315

    BD Diesel

    BD Diesel Allison Pressure Controller - Chevy 2011-2016 Duramax 6.6L LML 1031315

    1031315
    $329.95
  • Fluidampr Harmonic Balancer, 8.375 in, GM Duramax 830111

    Fluidampr

    Fluidampr Harmonic Balancer, 8.375 in, GM Duramax 830111

    830111
    $574.82
  • Borgeson Steering Shaft, Upper, GM Fullsize SUV / Truck 1999-2008 000937

    Borgeson

    Borgeson Steering Shaft, Upper, GM Fullsize SUV / Truck 1999-2008 000937

    000937
    $235.66
  • BD Diesel Cool Down Timer Kit v2.0 1081160

    BD Diesel

    BD Diesel Cool Down Timer Kit v2.0 1081160

    1081160
    $254.95
  • BD Diesel Exhaust Brake - 2001-2010 Duramax 6.6L w 4in Exh 1024311

    BD Diesel

    BD Diesel Exhaust Brake - 2001-2010 Duramax 6.6L w 4in Exh 1024311

    1024311
    $1,691.95
  • BD Diesel Chevy 2 Low UnLoc - 4wd 2015-2019 2500-3500 2014-2019 1500 2015-2020 SUV 1030711

    BD Diesel

    BD Diesel Chevy 2 Low UnLoc - 4wd 2015-2019 2500-3500 2014-2019 1500 2015-2020 SUV 1030711

    1030711
    $198.95
  • BD Diesel Positive Air Shut-Off, for 2004.5-2010 Chevy LLY LBZ LMM 1036712

    BD Diesel

    BD Diesel Positive Air Shut-Off, for 2004.5-2010 Chevy LLY LBZ LMM 1036712

    1036712
    $1,031.95
  • Mcleod GM LS-Series Flywheel, 168 Tooth, 30 lbs 460535

    Mcleod

    Mcleod GM LS-Series Flywheel, 168 Tooth, 30 lbs 460535

    460535
    $429.00