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Automatic Transmission | 2004.5-2005 GM 6.6 Duramax LLY

The introduction of the Allison 1000 transmission to the diesel truck market restored confidence in consumers that an automatic transmission can indeed handle the demands of exhaust braking and diesel ... read more

BD Valve Body 04.5-05 6.6L Duramax LLY Allison 1000 Transmission 1030471 BD-1030471 12.00 BD Valve Body 04.5-05 6.6L Duramax LLY Allison 1000 Transmission 1030471 BD-Power 1030471 Diesel Power Products carries the BD Valve Body for 04.5-05 6.6L Duramax LLY Allison 1000 Transmission 1030471 BD Xtrude Auxiliary Transmission Cooler 1030606 BD-1300611-main 0.00 BD Xtrude Auxiliary Transmission Cooler 1030606 BD-Power 1300611 Diesel Power Products carries the BD Auxiliary Transmission Coolers 1030610 BD Performance Allison 1000 Transmission 04.5-05 6.6L LLY Duramax 4WD 1064724 BD-1064724 0.00 BD Performance Allison 1000 Transmission 04.5-05 6.6L LLY Duramax 4WD 1064724 BD-Power 1064724 Disel Power Products carries the BD Performance Allison 1000 Transmission for 04.5-05 6.6L LLY Duramax 1064724 BD 1071240 Enhanced Stall ProForce 3D Multi-Disc Torque Converter 01-16 6.6L GM Duramax with Allison BD-1071240 85.00 BD 1071240 Enhanced Stall ProForce 3D Multi-Disc Torque Converter 01-16 6.6L GM Duramax with Allison BD-Power 1071240 Power Products carries the BD Triple Disc Torque Converter 2001-16 6.6L GM Duramax with Allison 1000 Transmission 1071240 Mag-Hytec Allison 1000 Transmission Pan 01-23 GM 6.6L Duramax MH-A1000 15.00 Mag-Hytec Allison 1000 Transmission Pan 01-23 GM 6.6L Duramax Mag-Hytec A1000 Constructed from high-quality cast aluminum right here in the USA, this heavy duty transmission pan from Mag-Hytec keeps your transmission remarkably cooler than your stock pan PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM PPE-124060000-Main 0.00 PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM PPE (Pacific Performance Eng.) 124060000 Diesel Power Products now sells PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM Schaeffer's All-Trans Supreme Transmission Fluid SL-0204SAT-Main 0.00 Schaeffer's All-Trans Supreme Transmission Fluid Schaeffer's Lubricants 0204SAT-SINGLE Supreme Automatic Transmission Fluid starts with the latest innovative technology in base stocks and additives. BD Billet Steel Flex Plate 01-19 GM Duramax BD-1041260 15.00 BD Billet Steel Flex Plate 01-19 GM Duramax BD-Power 1041260 BD offers up their 29.3 SFI rated Billet Steel FleX-Plate for the Allison backed Duramax! Unlike other manufacturers, BD is reusing the stock flywheel assembly to reduce costs and unnecessary part changes. BD Build it Allison Transmission Kits 01-10 6.6L GM Duramax Allison Trans BD-1062204-main 0.00 BD Build it Allison Transmission Kits 01-10 6.6L GM Duramax Allison Trans BD-Power 1062204 For an experienced builder these kits can be a big money saver as you will not have to deal with core charges and can save over $400 in freight charges! BD Xtruded Double Stacked Transmission Oil Cooler BD-1300601-DS-Main 0.00 BD Xtruded Double Stacked Transmission Oil Cooler BD-Power 1300601-DS Keep transmission heat under control with a BD Xtruded Double Stacked Transmission Cooler ATS Five Star Torque Converter 01-10 6.6L GM Duramax ATS-3029504248 80.00 ATS Five Star Torque Converter 01-10 6.6L GM Duramax ATS Diesel Performance 302-950-4248 ATS Five Star technology equates to five discs and an unsurpassed five year warranty for your GM Duramax transmission. ATS 3019004248 Transmission Pan +5 Qts. 01-16 Duramax Allison ATS-3019004248 24.00 ATS 3019004248 Transmission Pan +5 Qts. 01-16 Duramax Allison ATS Diesel Performance 301-900-4248 Keep the transmission cool behind your Duramax with this Aluminum Transmission Pan from ATS!

The introduction of the Allison 1000 transmission to the diesel truck market restored confidence in consumers that an automatic transmission can indeed handle the demands of exhaust braking and diesel engine torque. But while the Allison is suitable for stock applications, we’ve found that it does have its limitations— particularly when flywheel horsepower exceeds 370 horsepower. That’s when the stock clutch packs can begin to slip, putting the computer in the dreaded “limp home” mode.
We offer many solutions to make sure your transmission as bulletproof as the rest of the truck and to ensure that all of the power you're making hits the pavement. Obviously, we recommend a complete transmission package in which the ENTIRE transmission is gone through and all necessary parts replaced with heavy duty components. However, for those simply wanting to "tweak" the Allison, we do offer BD, ATS, Banks, and AFE performance torque converters, Mag-Hytec, AFE, and ATS transmission pans, TS lockup controllers, and much more!
As always, if you are unsure of what's right for you, call or e-mail us at [email protected] and we'll be glad to help you decide.

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