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LB7 Duramax Transmissions

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

    XDP
    $293.00 - $293.00
    $293.00
    $293.00 - $293.00
    $293.00

    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...

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    $293.00 - $293.00
    $293.00
    $293.00 - $293.00
    $293.00
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    XDP X-tra Cool Direct-fit Transmission Oil Cooler XD309

    XDP
    $346.00 - $346.00
    $346.00
    $346.00 - $346.00
    $346.00

    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...

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    $346.00 - $346.00
    $346.00
    $346.00 - $346.00
    $346.00
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    South Bend Clutch Chevy Duramax 6.6L Replacemnt Hydraulic Assembly

    South Bend Clutch
    $300.00
    $300.00 - $300.00
    $300.00
    $298.00
    $298.00 - $298.00
    $298.00

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

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    $300.00
    $300.00 - $300.00
    $300.00
    $298.00
    $298.00 - $298.00
    $298.00
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    XDP Billet Tow & Race Series Flex Plate 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison A1000

    XDP
    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00

    XDP Model XD651Upgrade your truck with a XDP Billet Tow & Race Series Flex Plate XD651. If your truck is used for racing, sled pulling, or hot ...

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    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00
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    Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    $804.00
    $804.00 - $804.00
    $804.00
    $731.00
    $731.00 - $731.00
    $731.00

    There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

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    $804.00
    $804.00 - $804.00
    $804.00
    $731.00
    $731.00 - $731.00
    $731.00
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    Yukon Gear 07-19 Chevrolet Silverado 2500 HD/3500 HD High-Capacity Aluminum Allison Transmission Pan

    Yukon Gear & Axle
    $631.00 - $631.00
    $631.00
    $631.00 - $631.00
    $631.00

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

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    $631.00 - $631.00
    $631.00
    $631.00 - $631.00
    $631.00
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    BD Diesel TapShifter - Chevy 2003-2005 Duramax 6.6L Allison 1000

    BD Diesel
    $672.00 - $672.00
    $672.00
    $708.00
    $708.00 - $708.00
    $708.00

    Add fingertip control to your 2001-2005 Duramax Allison 1000 transmission for easy Tap Shifting when passing, pulling, hill climbing or whenever yo...

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    $672.00 - $672.00
    $672.00
    $708.00
    $708.00 - $708.00
    $708.00
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    BD Diesel FleX-Plate - Chevy 2001-2011 Duramax 6.6L w/Allison Trans

    BD Diesel
    $621.00 - $621.00
    $621.00
    $674.00
    $674.00 - $674.00
    $674.00

    BDs FleX-Plate is designed specifically for modified applications, and can reliably handle up to 1,500 lb.-ft. of torque. Twice as thick as the sto...

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    $621.00 - $621.00
    $621.00
    $674.00
    $674.00 - $674.00
    $674.00
  • 2001-2005 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission | 1000HP Rated. 2001-2005 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission | 1000HP Rated.

    2001-2005 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission | 1000HP Rated

    Firepunk
    $14,637.00 - $15,809.00
    $14,637.00
    $14,637.00 - $15,809.00
    $14,637.00

    2001-2005 Firepunk Proven A1000 Allison Transmission Features: Great For Highly Modified Trucks Up To 1000HP 2-Year Unlimited Mileage, 100% Workma...

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    $14,637.00 - $15,809.00
    $14,637.00
    $14,637.00 - $15,809.00
    $14,637.00
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  • Firepunk 2001-2005 Allison 5 Speed Master Rebuild Kit. Firepunk 2001-2005 Allison 5 Speed Master Rebuild Kit.

    Firepunk 2001-2005 Allison 5 Speed Master Rebuild Kit

    Firepunk
    $2,783.00 - $2,783.00
    $2,783.00
    $2,783.00 - $2,783.00
    $2,783.00

    Our 01-05 Allison master rebuild kit includes all the parts you need to rebuild your owntransmission. These are the main components we use in all o...

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    $2,783.00 - $2,783.00
    $2,783.00
    $2,783.00 - $2,783.00
    $2,783.00
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    South Bend Clutch 01-09/2005 Chevy 6.6L Duramax LLY-LB7 Street Dual Disc Clutch Kit

    South Bend Clutch
    $2,103.00
    $2,103.00 - $2,103.00
    $2,103.00
    $2,039.00
    $2,039.00 - $2,039.00
    $2,039.00

    South Bend Clutch Model SDDMAX-DFYSouth Bend Clutch 01-09/2005 Chevy 6.6L Duramax LLY-LB7 Street Dual Disc Clutch KitThis Part Fits: Year Make Mod...

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    $2,103.00
    $2,103.00 - $2,103.00
    $2,103.00
    $2,039.00
    $2,039.00 - $2,039.00
    $2,039.00
    Save 3% Save %
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    ATS Diesel 04.5-05 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $6,817.00 - $6,817.00
    $6,817.00
    $6,817.00 - $6,817.00
    $6,817.00

    ATS Diesel Model 313-907-4290ATS Diesel 04.5-05 LCT-1000 5-Speed Stage 7 Transmission Rebuild kitThis Part Fits: Year Make Model Submodel 2006-2...

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    $6,817.00 - $6,817.00
    $6,817.00
    $6,817.00 - $6,817.00
    $6,817.00
    Select Options
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    ATS Diesel 2001-04 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $6,817.00 - $6,817.00
    $6,817.00
    $6,817.00 - $6,817.00
    $6,817.00

    ATS Diesel Model 313-907-4248ATS Diesel 2001-04 LCT-1000 5-Speed Stage 7 Transmission Rebuild kitThis Part Fits: Year Make Model Submodel 2001-2...

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    $6,817.00 - $6,817.00
    $6,817.00
    $6,817.00 - $6,817.00
    $6,817.00
    Select Options
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    ATS Diesel 2004.5-2005 LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $5,221.00 - $5,221.00
    $5,221.00
    $5,221.00 - $5,221.00
    $5,221.00

    ATS Diesel Model 313-906-4290ATS Diesel 2004.5-2005 LCT-1000 5-Speed Stage 6 Transmission Rebuild kitThis Part Fits: Year Make Model Submodel 20...

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    $5,221.00 - $5,221.00
    $5,221.00
    $5,221.00 - $5,221.00
    $5,221.00
    Select Options
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    ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $5,221.00 - $5,221.00
    $5,221.00
    $5,221.00 - $5,221.00
    $5,221.00

    ATS Diesel Model 313-906-4248ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kitThis Part Fits: Year Make Model Submodel 20...

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    $5,221.00 - $5,221.00
    $5,221.00
    $5,221.00 - $5,221.00
    $5,221.00
    Select Options
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    ATS Diesel 2001-2010 ATS manufactured Allison C5 clutch pack

    ATS Diesel
    $462.00 - $462.00
    $462.00
    $462.00 - $462.00
    $462.00

    ATS Diesel Model 308-805-4248ATS Diesel 2001-2010 ATS manufactured Allison C5 clutch packThis Part Fits: Year Make Model Submodel 2006-2010 Chev...

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    $462.00 - $462.00
    $462.00
    $462.00 - $462.00
    $462.00
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    ATS Diesel GM Billet Flexplate (SFI 29.3)

    ATS Diesel
    $1,179.00 - $1,179.00
    $1,179.00
    $1,179.00 - $1,179.00
    $1,179.00

    ATS Diesel Model 305-900-4248ATS Diesel GM Billet Flexplate (SFI 29.3)User 1This Part Fits: Year Make Model Submodel 2006-2010 Chevrolet Express...

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    $1,179.00 - $1,179.00
    $1,179.00
    $1,179.00 - $1,179.00
    $1,179.00
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    ATS Diesel Allison Billet Input Shaft

    ATS Diesel
    $1,194.00 - $1,194.00
    $1,194.00
    $1,194.00 - $1,194.00
    $1,194.00

    ATS Diesel Model 304-910-4248ATS Diesel Allison Billet Input ShaftThis Part Fits: Year Make Model Submodel 2006-2010 Chevrolet Express 2500 Base...

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    $1,194.00 - $1,194.00
    $1,194.00
    $1,194.00 - $1,194.00
    $1,194.00
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    ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve Kit

    ATS Diesel
    $235.00 - $235.00
    $235.00
    $235.00 - $235.00
    $235.00

    ATS Diesel Model 303-904-4248ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve KitThis Part Fits: Year Make Model Submodel 2006-2007 Chevrolet Ex...

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    $235.00 - $235.00
    $235.00
    $235.00 - $235.00
    $235.00
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    ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $1,289.00 - $1,289.00
    $1,289.00
    $1,289.00 - $1,289.00
    $1,289.00

    ATS Diesel Model 303-900-4272ATS Diesel 2003-05 GM LCT1000 Performance Valve Body AssemblyThis Part Fits: Year Make Model Submodel 2001-2005 Che...

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    $1,289.00 - $1,289.00
    $1,289.00
    $1,289.00 - $1,289.00
    $1,289.00
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    ATS Diesel 2001-02 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $1,289.00 - $1,289.00
    $1,289.00
    $1,289.00 - $1,289.00
    $1,289.00

    ATS Diesel Model 303-900-4248ATS Diesel 2001-02 GM LCT1000 Performance Valve Body AssemblyThis Part Fits: Year Make Model Submodel 2001-2004 Che...

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    $1,289.00 - $1,289.00
    $1,289.00
    $1,289.00 - $1,289.00
    $1,289.00
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    ATS Diesel 2001-2010 GM TripleLok Torque Converter

    ATS Diesel
    $1,904.00 - $1,904.00
    $1,904.00
    $1,904.00 - $1,904.00
    $1,904.00

    ATS Diesel Model 302-930-4248ATS Diesel 2001-2010 GM TripleLok Torque ConverterThis Part Fits: Year Make Model Submodel 2006-2010 Chevrolet Expr...

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    $1,904.00 - $1,904.00
    $1,904.00
    $1,904.00 - $1,904.00
    $1,904.00
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    ATS Diesel ATS Extra Deep Transmission Pan - Allison LCT1000/2000 Automatic

    ATS Diesel
    $564.00 - $564.00
    $564.00
    $564.00 - $564.00
    $564.00

    ATS Diesel Model 301-900-4248ATS Diesel ATS Extra Deep Transmission Pan - Allison LCT1000/2000 AutomaticThis Part Fits: Year Make Model Submodel ...

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    $564.00 - $564.00
    $564.00
    $564.00 - $564.00
    $564.00
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    ATS Diesel 2001 to Early 2010 GM Duramax Five Star Torque Converter - Viskus Clutch Mid Stall

    ATS Diesel
    $2,212.00 - $2,212.00
    $2,212.00
    $2,212.00 - $2,212.00
    $2,212.00

    ATS Diesel Model 302-950-4248ATS Diesel 2001 to Early 2010 GM Duramax Five Star Torque Converter - Viskus Clutch Mid StallThis Part Fits: Year Mak...

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    $2,212.00 - $2,212.00
    $2,212.00
    $2,212.00 - $2,212.00
    $2,212.00
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LB7 Duramax transmissions for 2001 to 2004 Chevy Silverado HD and GMC Sierra HD trucks.

LB7 trucks use the Allison 1000 5 speed. It handles stock power well, but added power and heavy towing call for a built valve body, clutches and torque converter.

Related: LB7 tuning, LB7 fluids, LB7 suspension and driveline. Browse all LB7 Duramax parts.

Not sure what fits? Send us your VIN and we will match the right part.

Powerhouse Diesel