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LLY Duramax Transmission


Maintain or upgrade the transmission system on your 2004.5–2005 LLY Duramax with premium parts engineered for reliability and performance. From Allison automatic transmissions to ZF6 manual transmission components, our selection includes clutches, torque converters, valve bodies, and rebuild kits designed to handle heavy towing and increased power. Trust high-quality transmission parts to ensure smooth shifting and long-lasting durability for your Duramax diesel.

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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 $55.00
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 $30.00
Fits: 2001-2019 Duramax (W/ Allison Shallow Pan Filter)
Duramax Allison Shallow Filter Kit Sun Coast 37711-12L
Duramax Allison Shallow Filter Kit Sun Coast 37711-12L $90.00
Fits: Duramax 2001-2010 (Shallow Trans Pan)
Duramax Allison Brushed Deep Transmission Pan PPE 128051010
Duramax Allison Brushed Deep Transmission Pan PPE 128051010 $350.99
Fits: Duramax 2001-2019 Equipped With Allison 1000|2000|2400
Duramax Transmission Filter Service Kit BD Power 1064041
Duramax Transmission Filter Service Kit BD Power 1064041 $48.95
Fits: Duramax 2001-2016 (With BD-Power Transmission)
Duramax Deep Transmission Pan Filter PPE 128058700
Duramax Deep Transmission Pan Filter PPE 128058700 $16.19
Fits: Duramax 2001-2019 (Allison 1000/2000/2400 Series Trans.
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)
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 2001-2019 Internal Wire Harness Seal and O-ring (7-Pack) Fleece  FPE-HAR-GM-LCT-SEAL-7P
Duramax 2001-2019 Internal Wire Harness Seal and O-ring (7-Pack) Fleece FPE-HAR-GM-LCT-SEAL-7P $139.99
Fits: Duramax 2001-2019 (Allison 1000/2000 and GM 4T65-E)