LMM Duramax Allison Transmission

LMM Duramax Allison Transmission Pans

LMM Duramax Allison Full Transmission

LMM Duramax Flex Plates

LMM Duramax Allison Controllers - Electronics

LMM Duramax Allison Torque Converters

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.

72 Items

Duramax 01-10 Heavy Duty Allison PTO Side Plate Covers PPE 128060000 — Duramax 01-10 Heavy Duty Allison PTO Side Plate Covers PPE 128060000 $71.99
Fits: Duramax 2001-2010

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Duramax 01-15 Pro Guard D2 Allison Deep Pan Filter AFE 44-TF006 — Duramax 01-15 Pro Guard D2 Allison Deep Pan Filter AFE 44-TF006 $52.66
Fits: Duramax 2001-2015

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Duramax 01-19 Deep Pan Transmission Filter Allison 29542824 — Duramax 01-19 Deep Pan Transmission Filter Allison 29542824 $42.35
Fits: Duramax 2001-2019

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Duramax 2001-2010 Billet Allison Input Shaft Suncoast A1-109600 — Duramax 2001-2010 Billet Allison Input Shaft Suncoast A1-109600 $750.00
Fits: Duramax 2001-2010

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Duramax 2001-2010 C5 Clutch Upgrade Kit PPE 128135105 — Duramax 2001-2010 C5 Clutch Upgrade Kit PPE 128135105 $269.99
Fits: Duramax 2001-2010

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Xtruded Aux Transmission Cooler BD 1300611-HX — Xtruded Aux Transmission Cooler BD 1300611-HX $227.64
Fits: Universal

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Xtruded Aux Transmission Cooler w|Fan BD 1300611 — Xtruded Aux Transmission Cooler w|Fan BD 1300611 $333.95
Fits: Universal

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Duramax 2001-2019 Pro Guard D2 Transmission Filter (Spin On) AFE 44-TF001 — Duramax 2001-2019 Pro Guard D2 Transmission Filter (Spin On) AFE 44-TF001 $40.84
Fits: Duramax 2001-2019

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LBZ|LMM Duramax Allison Transmission Cooler Lines Fleece FPE-TL-LBZ-LMM — LBZ|LMM Duramax Allison Transmission Cooler Lines Fleece FPE-TL-LBZ-LMM $269.00
Fits: LBZ/LMM Duramax 2006-2010

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Universal Transmission Cooler Electric Fan BD 1030607 — Universal Transmission Cooler Electric Fan BD 1030607 $83.95
Fits: Universal - 80 Watts, 10 in, 800CFM

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Duramax 2006-2010 X-Tra Cool Direct-Fit Transmission Oil Cooler XDP XD310 — Duramax 2006-2010 X-Tra Cool Direct-Fit Transmission Oil Cooler XDP XD310 $258.95
Fits: Duramax 2006-2010

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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)

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Xtruded Double-Stacked Auxiliary Trans Cooler Kit 1/2 In Tube BD 1030606-DS-12 — Xtruded Double-Stacked Auxiliary Trans Cooler Kit 1/2 In Tube BD 1030606-DS-12 $1,050.95
Fits: Cummins 1994-2016 & GM 2001-2016

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Xtruded Double-Stacked Auxiliary Trans Cooler Kit 5/8 In Tube BD 1030606-DS-58 — Xtruded Double-Stacked Auxiliary Trans Cooler Kit 5/8 In Tube BD 1030606-DS-58 $1,050.95
Fits: Cummins 1994-2016 & GM 2001-2016

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Duramax 03-16 Trans Fluid Cooler Pipe Connector Cap AcDelco 15170204 — Duramax 03-16 Trans Fluid Cooler Pipe Connector Cap AcDelco 15170204 $7.21
Fits: Duramax 2003-2016

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Duramax 1000 C2 Hub Thrust Washer Allison 29537515 — Duramax 1000 C2 Hub Thrust Washer Allison 29537515 $13.93
Fits: Duramax 2001-2019

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Duramax Transfer Case Fill Plug AcDelco 15032997 — Duramax Transfer Case Fill Plug AcDelco 15032997 $10.03
Fits: Duramax 2007.5-2019

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Duramax Allison 1000 Transmission Cooler Line Clip - Blue GM 88960976 — Duramax Allison 1000 Transmission Cooler Line Clip - Blue GM 88960976 $11.43
Fits: Duramax 2001-2010 | 2017-2019

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Duramax 01-19 1000 Transmission C1 Clutch Housing Seal Allison 29545377 — Duramax 01-19 1000 Transmission C1 Clutch Housing Seal Allison 29545377 $7.83
Fits: Duramax 2001-2019

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Duramax 1000 Pump Housing Gasket Allison 29540130 — Duramax 1000 Pump Housing Gasket Allison 29540130 $28.41
Fits: 2500/3500HD Silverado Sierra 6.6L V8 Duramax 2001-2019

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Duramax Allison 1000 Transmission Stator Support Bushing Allison 29538159 — Duramax Allison 1000 Transmission Stator Support Bushing Allison 29538159 $18.23
Fits: GM 2500HD 2001-2019 | 3500 Duramax Silver 2001-2019

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Duramax 2001-2010 Converter Housing Seal Allison 29537620 — Duramax 2001-2010 Converter Housing Seal Allison 29537620 $8.88
Fits: Duramax 2001-2010

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Duramax 2001-2019 1000 Rear Adapter Housing Gasket Allison 29536941 — Duramax 2001-2019 1000 Rear Adapter Housing Gasket Allison 29536941 $38.53
Fits: 2500HD 3500 Silverado Sierra 6.6L V8 Duramax Diesel 2001-2019

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Duramax 01-19 Allison 1000 Transmission Bell Housing Dust Shield Allison 29536835 — Duramax 01-19 Allison 1000 Transmission Bell Housing Dust Shield Allison 29536835 $3.96
Fits: GM 2500HD/3500HD Duramax Silverado | Sierra 2001-2019

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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 $136.61
Fits: Duramax 2007.5-2022 (MP1326 Electric Shift Case)

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Duramax 01-19 1000 Front Pump Bushing Allison 29536703 — Duramax 01-19 1000 Front Pump Bushing Allison 29536703 $88.04
Fits: Duramax 2001-2019

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Duramax 01-19 Allison 1000 Transmission Converter Housing Gasket Allison 29536478 — Duramax 01-19 Allison 1000 Transmission Converter Housing Gasket Allison 29536478 $26.83
Fits: GM 2500HD | Duramax Silver 2001-2019

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Duramax 07.5-19 Transfer Case Mode Slider GM 19133094 — Duramax 07.5-19 Transfer Case Mode Slider GM 19133094 $133.29
Fits: Duramax 2007.5-2019

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Duramax 07.5-22 Transfer Case Drive Sprocket Snap Spring GM 19133113 — Duramax 07.5-22 Transfer Case Drive Sprocket Snap Spring GM 19133113 $1.45
Fits: Duramax 2007.5-2022

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Allison 1000 Transmission Spin On Filter Magnet Allison 29535617 — Allison 1000 Transmission Spin On Filter Magnet Allison 29535617 $13.05
Fits: Allison 1000 Transmissions 2001-2019

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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

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Duramax 07-18 Transfer Case Rear Output Bearing Mainshaft Snap Ring GM 19133126 — Duramax 07-18 Transfer Case Rear Output Bearing Mainshaft Snap Ring GM 19133126 $6.56
Fits: Duramax 2007-2018

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Duramax 07-19 Transfer Case Driven Sprocket GM 19133135 — Duramax 07-19 Transfer Case Driven Sprocket GM 19133135 $86.07
Fits: Duramax 2007-2019

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Duramax 01-19 Allison 1000 Cooler Line Retainer Allison 11611873 — Duramax 01-19 Allison 1000 Cooler Line Retainer Allison 11611873 $4.15
Fits: Duramax 2001-2019

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Duramax 07.5-22 1000 Transmission Bell Housing Bolt Allison 11546890 — Duramax 07.5-22 1000 Transmission Bell Housing Bolt Allison 11546890 $4.15
Fits: 2500HD/3500 Silverado | Sierra 2007.5-2022

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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

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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

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Duramax Transmission Case Locator Pin GM 97228317 — Duramax Transmission Case Locator Pin GM 97228317 $13.04
Fits: 2500/3500HD Silverado Sierra 2001-2022

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Duramax 07.5-19 Transfer Case Plug With Magnet AcDelco 19133162 — Duramax 07.5-19 Transfer Case Plug With Magnet AcDelco 19133162 $14.24
Fits: Duramax 2007.5-2019

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Duramax 07-22 Transfer Case 4WD Actuator Seal GM 19133170 — Duramax 07-22 Transfer Case 4WD Actuator Seal GM 19133170 $17.65
Fits: Duramax 2007-2022

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Duramax 07.5-19 Transfer Case Friction Ring Synchronize Kit GM 19133208 — Duramax 07.5-19 Transfer Case Friction Ring Synchronize Kit GM 19133208 $172.93
Fits: Duramax 2007.5-2019

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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

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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

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1000 P1 Drive Flange Allison 29546706 — 1000 P1 Drive Flange Allison 29546706 $41.91
Fits: Allison 1000 Transmission 2001-2019

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Duramax 06-19 Allison 1000 Transmission C2 Clutch Piston Inner Seal Allison 29542808 — Duramax 06-19 Allison 1000 Transmission C2 Clutch Piston Inner Seal Allison 29542808 $7.18
Fits: 2500HD/3500 Silverado | Sierra 2006-2019

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Duramax 06-19 NSBU (Neutral Start Back Up) Switch Allison 29542692 — Duramax 06-19 NSBU (Neutral Start Back Up) Switch Allison 29542692 $184.71
Fits: 2500/3500HD Silverado | Sierra 2006-2019

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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

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Duramax 01-19 1000 Transmission T1 and T6 Bearing Allison 29539501 — Duramax 01-19 1000 Transmission T1 and T6 Bearing Allison 29539501 $36.51
Fits: 2500HD/3500 Silverado | Sierra 2001-2019

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Duramax 01-19 1000 Transmission C5 Clutch Piston Inner Seal Allison 29536859 — Duramax 01-19 1000 Transmission C5 Clutch Piston Inner Seal Allison 29536859 $14.49
Fits: 2500HD/3500 Silverado | Sierra 2001-2019

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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

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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

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Duramax 01-19 T4 Bearing Allison 29531106 — Duramax 01-19 T4 Bearing Allison 29531106 $17.84
Fits: Duramax 2001-2019

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Duramax 01-19 Allison 1000 T3/T5 Bearing AcDelco 29531095 — Duramax 01-19 Allison 1000 T3/T5 Bearing AcDelco 29531095 $17.90
Fits: Duramax 2001-2019

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Duramax 01-16 Allison T2 Bearing Allison 29531090 — Duramax 01-16 Allison T2 Bearing Allison 29531090 $18.03
Fits: Duramax 2001-2016

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Duramax 01-16 Allison 1000 Front Pump Bushing GM 29536703 — Duramax 01-16 Allison 1000 Front Pump Bushing GM 29536703 $82.17
Fits: Duramax 2001-2016

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Duramax 06-19 Allison 1000 Transmission C1 C2 Clutch Piston Outer Seal Allison 24269245 — Duramax 06-19 Allison 1000 Transmission C1 C2 Clutch Piston Outer Seal Allison 24269245 $10.26
Fits: Duramax 2006-2019

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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

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Duramax 01-19 Transmission Internal Retaining Ring Allison 29536981 — Duramax 01-19 Transmission Internal Retaining Ring Allison 29536981 $35.23
Fits: 2500HD/3500 Silverado | Sierra 2001-2019

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Allison 29537965 Standard Pan Transmission Filter — Allison 29537965 Standard Pan Transmission Filter $40.11
Fits: LB7|LLY|LBZ|LMM Duramax (Equipped With Allison 1000) 2001-2010

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Sun Coast A1-FLT-LOC-D Allison Deep Pan Filter Loc — Sun Coast A1-FLT-LOC-D Allison Deep Pan Filter Loc $42.00
Fits: 2001-2019 Duramax (W/ Allison Deep Filter)

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Sun Coast A1-FLT-LOC-S Allison Filter Loc — Sun Coast A1-FLT-LOC-S Allison Filter Loc $39.00
Fits: 2001-2019 Duramax (W/ Allison Shallow Pan Filter)

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Sun Coast 37711-12L Allison Shallow Filter Kit — Sun Coast 37711-12L Allison Shallow Filter Kit $79.00
Fits: Duramax 2001-2010 (Shallow Trans Pan)

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BD-Power 1064041 Transmission Filter Service Kit — BD-Power 1064041 Transmission Filter Service Kit $46.95
Fits: Duramax 2001-2016 (With BD-Power Transmission)

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PPE 128058700 Deep Pan Transmission Filter — PPE 128058700 Deep Pan Transmission Filter $16.19
Fits: Duramax 2001-2019 (Allison 1000/2000/2400 Series Trans.

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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

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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)

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6.6 Duramax Transmission Pan Mishimoto MMTP-DMAX-01 — 6.6 Duramax Transmission Pan Mishimoto MMTP-DMAX-01 $410.95
Fits: Duramax 2001-2019

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Duramax 03-19 Transmission Cooler Line Fitting ATS 3140054272 — Duramax 03-19 Transmission Cooler Line Fitting ATS 3140054272 $35.00
Fits: Duramax 2003-2019

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6.6 Duramax Transmission Cooler Mishimoto MMTC-DMAX-06SL — 6.6 Duramax Transmission Cooler Mishimoto MMTC-DMAX-06SL $498.95
Fits: 2006-2010 Duramax

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LBZ|LMM Duramax Transmission Cooler Line Kit Mishimoto MMTCL-DMAX-06 — LBZ|LMM Duramax Transmission Cooler Line Kit Mishimoto MMTCL-DMAX-06 $381.95
Fits: LBZ|LMM Duramax 2006-2010

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Duramax 2006-2010 Radiator & Transmission Cooler Ultimate Bundle Mishimoto MMB-DMAX-002 — Duramax 2006-2010 Radiator & Transmission Cooler Ultimate Bundle Mishimoto MMB-DMAX-002 $2,479.95
Fits: LLY|LBZ|LMM Duramax 2006-2010

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Duramax 01-19 Front Pump Seal Allison 29546682 — Duramax 01-19 Front Pump Seal Allison 29546682 $41.45
Fits: 2500HD/3500HD Silverado | Sierra 2001-2019

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