LLY Duramax Transmissions

The XDP X-TRA Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001-2005 GM 6.6L D...

The XDP Tow Series Flex Plate XD644 is an outstanding upgrade for your workhorse diesel truck. If your truck is used for constant heavy-duty towing...

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 ...

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

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

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

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

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

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

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

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

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...

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

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

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

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

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

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...

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

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

Upgrade your truck with a XDP Billet Tow & Race Series Flex Plate XD651. If your truck is used for racing, sled pulling, or hot shot towing, it...

The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newe...

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