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LMM Duramax Allison Transmission


The 2007–2010 LMM Duramax paired with the legendary Allison transmission delivers unmatched strength and durability. Whether you're rebuilding, upgrading, or replacing, our selection of high-quality Allison 1000 transmission components is built to handle towing, performance tuning, and daily driving with confidence. From complete transmissions to internal upgrades, trust in proven performance engineered specifically for your LMM Duramax.

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Universal Transmission Cooler Electric Fan BD 1030607
Universal Transmission Cooler Electric Fan BD 1030607 $85.95
Fits: Universal - 80 Watts, 10 in, 800CFM
Universal Transmission Fluid Cooler Mishimoto MMTC-TF-2075
Universal Transmission Fluid Cooler Mishimoto MMTC-TF-2075 $108.95
Fits: Universal - 20 x 7.5 x .75 (3/8 Fittings)
Duramax Transfer Case Fill Plug AcDelco 15032997
Duramax Transfer Case Fill Plug AcDelco 15032997 $10.03
Fits: Duramax 2007.5-2019
Duramax 07.5-22 Transfer Case Mode Fork With Electronic Shift GM 19133041
Duramax 07.5-22 Transfer Case Mode Fork With Electronic Shift GM 19133041 $150.56
Fits: Duramax 2007.5-2022 (MP1326 Electric Shift Case)
Duramax 07.5-19 Transfer Case Reluctor GM 19133124
Duramax 07.5-19 Transfer Case Reluctor GM 19133124 $19.41
Fits: Duramax 2007.5-2019
Duramax 07.5-22 Transfer Case Rear Output Seal AcDelco 24226707
Duramax 07.5-22 Transfer Case Rear Output Seal AcDelco 24226707 $53.76
Fits: 2500/3500HD Silverado | Sierra 2007.5-2022
Duramax 03-19 Allison 1000 Transmission Cooler Line Fitting AcDelco 88996645
Duramax 03-19 Allison 1000 Transmission Cooler Line Fitting AcDelco 88996645 $50.84
Fits: 2500/3500HD Silverado | Sierra 2003-2019
Duramax Transmission Case Locator Pin GM 97228317
Duramax Transmission Case Locator Pin GM 97228317 $13.04
Fits: 2500/3500HD Silverado Sierra 2001-2022
Duramax 01-19 Allison Transmission Case Vent AcDelco 6882757
Duramax 01-19 Allison Transmission Case Vent AcDelco 6882757 $9.71
Fits: 2500/3500HD Silverado | Sierra 2001-2019
Duramax 06-19 Allison 6 Speed Transmission Fluid Pump Kit AcDelco 29546965
Duramax 06-19 Allison 6 Speed Transmission Fluid Pump Kit AcDelco 29546965 $559.80
Fits: 2500/3500HD Silverado Sierra 2006-2019
Duramax 06-19 Allison T5 Bearing GM 29541702
Duramax 06-19 Allison T5 Bearing GM 29541702 $22.59
Fits: 2500HD/3500 Silverado | Sierra 2006-2019
Duramax 01-19 Allison 1000 Power Take Off Cover Gasket AcDelco 29531325
Duramax 01-19 Allison 1000 Power Take Off Cover Gasket AcDelco 29531325 $10.05
Fits: 2500HD/3500 Silverado | Sierra 2001-2019
Duramax 01-19 Allison Output Shaft Carrier Bearing (Rear Housing) AcDelco 29531151
Duramax 01-19 Allison Output Shaft Carrier Bearing (Rear Housing) AcDelco 29531151 $103.87
Fits: 2500HD/3500 Silverado | Sierra 2001-2019
Duramax 01-21 Round Transmission Bell Housing Plug GM 24205899
Duramax 01-21 Round Transmission Bell Housing Plug GM 24205899 $12.49
Fits: 2500HD/3500 Silverado | Sierra 2001-2021
Sun Coast A1-FLT-LOC-D Allison Deep Pan Filter Loc
Sun Coast A1-FLT-LOC-D Allison Deep Pan Filter Loc $37.80
Fits: 2001-2019 Duramax (W/ Allison Deep Filter)
Sun Coast A1-FLT-LOC-S Allison Filter Loc
Sun Coast A1-FLT-LOC-S Allison Filter Loc $35.10
Fits: 2001-2019 Duramax (W/ Allison Shallow Pan Filter)
Sun Coast 37711-12L Allison Shallow Filter Kit
Sun Coast 37711-12L Allison Shallow Filter Kit $71.10
Fits: Duramax 2001-2010 (Shallow Trans Pan)
BD-Power 1064041 Transmission Filter Service Kit
BD-Power 1064041 Transmission Filter Service Kit $47.95
Fits: Duramax 2001-2016 (With BD-Power Transmission)
PPE 128058700 Deep Pan Transmission Filter
PPE 128058700 Deep Pan Transmission Filter $16.19
Fits: Duramax 2001-2019 (Allison 1000/2000/2400 Series Trans.
Deep Allison Transmission Pan - Brushed PPE 128051010
Deep Allison Transmission Pan - Brushed PPE 128051010 $350.99
Fits: Duramax 2001-2019 Equipped With Allison 1000|2000|2400
Universal Transmission Fluid Cooler Mishimoto MMTC-TF-1575
Universal Transmission Fluid Cooler Mishimoto MMTC-TF-1575 $88.95
Fits: Universal - 15" X 7.5" X 0.75" (3/8" Fittings)
Duramax 2011-2019 Internal Wire Harness Seal and O-ring (7-Pack) Fleece  FPE-HAR-GM-LCT-SEAL-7P
Duramax 2011-2019 Internal Wire Harness Seal and O-ring (7-Pack) Fleece FPE-HAR-GM-LCT-SEAL-7P $139.99
Fits: Duramax 2011-2019 (Allison 1000/2000 and GM 4T65-E)