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PERFORMANCE HARD PARTS

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ALLISON® 1000 GM | DURAMAX - Performance Parts

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Shop by engine model to find parts for your Allison® Transmission. (Applies only to GM|Duramax)

  • 29535648-386-X

    RE-MACHINED THINNER (386") C3 BACK...
    RE-MACHINED THINNER (386") C3 BACK PLATE

  • 29535648-425-X

    RE-MACHINED THINNER (425") C3 BACK...
    RE-MACHINED THINNER (425") C3 BACK PLATE
  • Placeholder

    29536522-BPC-X

    CAST DEEP OIL PAN, W/FILTER LOCK ...
    CAST DEEP OIL PAN, W/FILTER LOCK (BLACK POWDER COATED) PERFORMANCE

  • 29536522-X

    DEEP OIL PAN -1K (XCALLIBER...
    DEEP OIL PAN -1K (XCALLIBER PERFORMANCE)

  • 29537433-X

    P1 SUN GEAR, 1000/GM - DESIGNED TO...
    P1 SUN GEAR, 1000/GM - DESIGNED TO WORK W/C2 PERFORMANCE HUB

  • 29544804-X

    PERFORMANCE 4WD REAR COVER, HEAT...
    PERFORMANCE 4WD REAR COVER, HEAT TREATED ALUMINUM

  • 29546706-X

    PERFORMANCE P1 DRIVE FLANGE...
    PERFORMANCE P1 DRIVE FLANGE W/MODIFIED LUBE HOLES - (ALL MODEL YEARS)

  • 6774322-X

    PERFORMANCE C3 SIDE OILING PTO...
    PERFORMANCE C3 SIDE OILING PTO COVER SET OF 2 (CAST ALUMINUM), 1K

  • 6774322-X-JIG

    INSTALLATION JIG FOR 6774322-X...
    INSTALLATION JIG FOR 6774322-X
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    BFLEX-LML

    BILLET FLEXPLATE FOR LML ENGINE...
    BILLET FLEXPLATE FOR LML ENGINE

  • CFBK-L5P-X

    COOLER FLOW BYPASS DELETE KIT,...
    COOLER FLOW BYPASS DELETE KIT, GM/ALLISON 2017-2019
29535648-386-X
RE-MACHINED THINNER (.386") C3 BACK PLATE
29535648-425-X
RE-MACHINED THINNER (.425") C3 BACK PLATE
29536522-BPC-X
CAST DEEP OIL PAN, W/FILTER LOCK (BLACK POWDER COATED) PERFORMANCE
29536522-X
DEEP OIL PAN -1K (XCALLIBER PERFORMANCE)
29537433-X
P1 SUN GEAR, 1000/GM - DESIGNED TO WORK W/C2 PERFORMANCE HUB
29544804-X
PERFORMANCE 4WD REAR COVER, HEAT TREATED ALUMINUM
29546706-X
PERFORMANCE P1 DRIVE FLANGE W/MODIFIED LUBE HOLES - (ALL MODEL YEARS)
6774322-X
PERFORMANCE C3 SIDE OILING PTO COVER SET OF 2 (CAST ALUMINUM), 1K
6774322-X-JIG
INSTALLATION JIG FOR 6774322-X
BFLEX-LML
BILLET FLEXPLATE FOR LML ENGINE
CFBK-L5P-X
COOLER FLOW BYPASS DELETE KIT, GM/ALLISON 2017-2019

Parts & Solutions for your Performance Duramax Transmission