Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

LLY Duramax Transmissions

Filters

  • responsive-image responsive-image

    XDP Tow Series Flex Plate 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison A1000

    XDP
    $289.00 - $289.00
    $289.00
    $289.00 - $289.00
    $289.00

    XDP Model XD644The XDP Tow Series Flex Plate XD644 is an outstanding upgrade for your workhorse diesel truck. If your truck is used for constant he...

    View full details
    $289.00 - $289.00
    $289.00
    $289.00 - $289.00
    $289.00
  • responsive-image responsive-image

    XDP X-tra Cool Direct-fit Transmission Oil Cooler XD309

    XDP
    $341.00 - $341.00
    $341.00
    $341.00 - $341.00
    $341.00

    XDP Model XD309The XDP X-TRA Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001...

    View full details
    $341.00 - $341.00
    $341.00
    $341.00 - $341.00
    $341.00
  • responsive-image responsive-image Save 1% Save %

    South Bend Clutch Chevy Duramax 6.6L Replacemnt Hydraulic Assembly

    South Bend Clutch
    $296.00
    $296.00 - $296.00
    $296.00
    $294.00
    $294.00 - $294.00
    $294.00

    South Bend Clutch Model HYDX-MAXSouth Bend Clutch Chevy Duramax 6.6L Replacemnt Hydraulic AssemblyThis Part Fits: Year Make Model Submodel 2001-...

    View full details
    $296.00
    $296.00 - $296.00
    $296.00
    $294.00
    $294.00 - $294.00
    $294.00
    Save 1% Save %
  • responsive-image responsive-image

    Yukon Gear 07-19 Chevrolet Silverado 2500 HD/3500 HD High-Capacity Aluminum Allison Transmission Pan

    Yukon Gear & Axle
    $623.00 - $623.00
    $623.00
    $623.00 - $623.00
    $623.00

    Whether on the road, on the trail, or towing, superior cooling is vital for reliable transmission shifting. Yukon’s high-capacity transmission pa...

    View full details
    $623.00 - $623.00
    $623.00
    $623.00 - $623.00
    $623.00
  • User 1 Photo - Primary

    Mishimoto 01-10 GM 6.6L Duramax Oil Pan

    Mishimoto
    $161.00 - $161.00
    $161.00
    $161.00 - $161.00
    $161.00

    Mishimoto Model MMOPN-DMAX-01SThe Mishimoto Chevy/GMC 6.6L Duramax 2001-2010 Oil Pan is a direct replacement for your dented, cracked, rusted, or s...

    View full details
    $161.00 - $161.00
    $161.00
    $161.00 - $161.00
    $161.00
  • ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L. ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L.

    ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L

    ATS Diesel
    $1,163.00 - $1,163.00
    $1,163.00
    $1,163.00 - $1,163.00
    $1,163.00

    ATS Diesel 01-23 L5P Duramax 6.6L Billet Flexplate SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS bill...

    View full details
    $1,163.00 - $1,163.00
    $1,163.00
    $1,163.00 - $1,163.00
    $1,163.00
  • responsive-image responsive-image

    ATS Diesel 01-05 GM Allison 1000 CoPilot Transmission Controller - 24 Pin

    ATS Diesel
    $1,741.00 - $1,741.00
    $1,741.00
    $1,741.00 - $1,741.00
    $1,741.00

    ATS Model 6019244248The New 24 Pin ATS Co-Pilot for 2001-05 GM, 5 speed Allison 1000 and 6.6L Duramax, Controls Transmission Pressure and TCC lock ...

    View full details
    $1,741.00 - $1,741.00
    $1,741.00
    $1,741.00 - $1,741.00
    $1,741.00
  • responsive-image responsive-image

    ATS Diesel 2004.5-2005 LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $5,149.00 - $5,149.00
    $5,149.00
    $5,149.00 - $5,149.00
    $5,149.00

    ATS Model 31390642902004.5 to 2005 GM Allison 5 speed Kit (Stage 6). Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tripl...

    View full details
    $5,149.00 - $5,149.00
    $5,149.00
    $5,149.00 - $5,149.00
    $5,149.00
  • responsive-image responsive-image

    ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $1,271.00 - $1,271.00
    $1,271.00
    $1,271.00 - $1,271.00
    $1,271.00

    ATS Model 3039004272Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

    View full details
    $1,271.00 - $1,271.00
    $1,271.00
    $1,271.00 - $1,271.00
    $1,271.00
  • responsive-image responsive-image

    ATS Diesel ATS Extra Deep Transmission Pan - Allison LCT1000/2000 Automatic

    ATS Diesel
    $556.00 - $556.00
    $556.00
    $556.00 - $556.00
    $556.00

    ATS Model 3019004248ATS Extra Deep Transmission Pan - Allison LCT1000/2000 AutomaticDeep Pan Features Include: Deep filter and gasket necessary fo...

    View full details
    $556.00 - $556.00
    $556.00
    $556.00 - $556.00
    $556.00
  • responsive-image responsive-image

    ATS Diesel 2001-02 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $1,271.00 - $1,271.00
    $1,271.00
    $1,271.00 - $1,271.00
    $1,271.00

    ATS Model 3039004248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

    View full details
    $1,271.00 - $1,271.00
    $1,271.00
    $1,271.00 - $1,271.00
    $1,271.00
  • responsive-image responsive-image

    ATS Diesel 04.5-05 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $6,723.00 - $6,723.00
    $6,723.00
    $6,723.00 - $6,723.00
    $6,723.00

    ATS Model 31390742902004.5 to 2005 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Triple...

    View full details
    $6,723.00 - $6,723.00
    $6,723.00
    $6,723.00 - $6,723.00
    $6,723.00
  • responsive-image responsive-image

    ATS Diesel 2001-04 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $6,723.00 - $6,723.00
    $6,723.00
    $6,723.00 - $6,723.00
    $6,723.00

    ATS Model 31390742482001 to Early 2004 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Pump Kit Manufa...

    View full details
    $6,723.00 - $6,723.00
    $6,723.00
    $6,723.00 - $6,723.00
    $6,723.00
  • responsive-image responsive-image

    ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $5,149.00 - $5,149.00
    $5,149.00
    $5,149.00 - $5,149.00
    $5,149.00

    ATS Model 31390642482001 to Early 2004 GM Allison 5 speed Kit (Stage 6).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tr...

    View full details
    $5,149.00 - $5,149.00
    $5,149.00
    $5,149.00 - $5,149.00
    $5,149.00
  • responsive-image responsive-image

    ATS Diesel 2001 to Early 2010 GM Duramax Five Star Torque Converter - Viskus Clutch Mid Stall

    ATS Diesel
    $2,181.00 - $2,181.00
    $2,181.00
    $2,181.00 - $2,181.00
    $2,181.00

    ATS Model 3029504248Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter...

    View full details
    $2,181.00 - $2,181.00
    $2,181.00
    $2,181.00 - $2,181.00
    $2,181.00
  • responsive-image responsive-image

    ATS Diesel Allison Billet Input Shaft

    ATS Diesel
    $1,177.00 - $1,177.00
    $1,177.00
    $1,177.00 - $1,177.00
    $1,177.00

    ATS Model 3049104248This billet steel input shaft is made to fix a weak link in your GM Duramax truck with Allison transmission.Details: Input Sha...

    View full details
    $1,177.00 - $1,177.00
    $1,177.00
    $1,177.00 - $1,177.00
    $1,177.00
  • responsive-image responsive-image

    ATS Diesel 2001-2010 GM TripleLok Torque Converter

    ATS Diesel
    $1,878.00 - $1,878.00
    $1,878.00
    $1,878.00 - $1,878.00
    $1,878.00

    ATS Model 3029304248The TripleLok Torque Converter for 2001 to 2010 Allison is the only Diesel torque converter on the market that has been awarded...

    View full details
    $1,878.00 - $1,878.00
    $1,878.00
    $1,878.00 - $1,878.00
    $1,878.00
  • responsive-image responsive-image

    ATS Diesel 2001-2010 ATS manufactured Allison C5 clutch pack

    ATS Diesel
    $455.00 - $455.00
    $455.00
    $455.00 - $455.00
    $455.00

    ATS Model 30880542482001-2010 Allison C5 clutch packApplication: 2001-2010 2500/3500 Duramax GM Light Duty Diesel

    $455.00 - $455.00
    $455.00
    $455.00 - $455.00
    $455.00
  • responsive-image responsive-image

    ATS Diesel GM Billet Flexplate (SFI 29.3)

    ATS Diesel
    $1,163.00 - $1,163.00
    $1,163.00
    $1,163.00 - $1,163.00
    $1,163.00

    ATS Model 3059004248SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS billet flexplates are SFI approved,...

    View full details
    $1,163.00 - $1,163.00
    $1,163.00
    $1,163.00 - $1,163.00
    $1,163.00
  • responsive-image responsive-image

    ATS Diesel 06-07 6.6L LLY/LBZ/LMM Duramax Stage 4 Allison LCT100 Transmission Package

    ATS Diesel
    $12,392.00 - $12,392.00
    $12,392.00
    $12,392.00 - $12,392.00
    $12,392.00

    ATS Model 3098444308ATS Stage 4 Allison LCT1000 Transmission Package, 4WD, 2006-2007 6.6L LLY / LBZ / LMM Duramax. Includes: ATS 4WD 2006-2007 Al...

    View full details
    $12,392.00 - $12,392.00
    $12,392.00
    $12,392.00 - $12,392.00
    $12,392.00
  • responsive-image responsive-image

    ATS Diesel 06-07 6.6L LLY/LBZ/LMM Duramax Stage 3 Allison LCT100 Transmission Package

    ATS Diesel
    $11,280.00 - $11,280.00
    $11,280.00
    $11,280.00 - $11,280.00
    $11,280.00

    ATS Model 3098344308ATS Stage 3 Allison LCT1000 Transmission Package, 4WD, 2006-2007 6.6L LLY / LBZ / LMM Duramax. Includes: ATS 4WD 2006-2007 Al...

    View full details
    $11,280.00 - $11,280.00
    $11,280.00
    $11,280.00 - $11,280.00
    $11,280.00
  • responsive-image responsive-image

    ATS 2006-2007 6.6L LLY / LBZ / LMM Duramax Stage 1 Allison LCT1000 Transmission Package 4WD w/ PTO

    ATS Diesel
    $8,370.00 - $8,370.00
    $8,370.00
    $8,370.00 - $8,370.00
    $8,370.00

    ATS Model 3098154308ATS Stage 1 Allison LCT1000 Transmission Package, 4WD, w/ PTO, 2006-2007 6.6L LLY / LBZ / LMM Duramax. Includes: ATS 4WD w/ P...

    View full details
    $8,370.00 - $8,370.00
    $8,370.00
    $8,370.00 - $8,370.00
    $8,370.00
  • responsive-image responsive-image

    ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve Kit

    ATS Diesel
    $232.00 - $232.00
    $232.00
    $232.00 - $232.00
    $232.00

    ATS Model 3039044248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

    View full details
    $232.00 - $232.00
    $232.00
    $232.00 - $232.00
    $232.00
  • responsive-image responsive-image

    ATS Diesel 2000 - Early 05 Dodge 2wd NV5600 Trans

    ATS Diesel
    $7,980.00 - $7,980.00
    $7,980.00
    $7,980.00 - $7,980.00
    $7,980.00

    ATS Model 3119622236ATS Built NV5600 6-Speed Manual Trans, 2000-Early 2005 Dodge 2WDDetails: ATS NV5600 Transmission 6-Speed Manual Cast Iron Case...

    View full details
    $7,980.00 - $7,980.00
    $7,980.00
    $7,980.00 - $7,980.00
    $7,980.00

Powerhouse Diesel