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A1-6VB-TCM-LLY-WT - Automatic Transmission Unit | SunCoastTransend Auto Tech
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SunCoast Automatic Transmission Unit A1-6VB-TCM-LLY-WT
  • SunCoast Automatic Transmission Unit A1-6VB-TCM-LLY-WT

SunCoastAutomatic Transmission Unit

Part #: A1-6VB-TCM-LLY-WT
$2,212.18 $500.00 Core
Call for Availability:  +1 (833) 363-1938
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Description & Specs

The Suncoast A1-6VB-TCM-LLY Allison 5-6 Speed Conversion for your 2004-2005 GM 6.6L Duramax LLY converts your 5-Speed Allison A1000 Transmission into a 6-Speed like the later models. With the conversion, you can drop 325 engine rpm @ 75 mph with 3.73 gear

Automatic Transmission Unit; Remanufactured; SunCoast Valve Body and TCM Assembly; Engine Codes LLY (2004-2005); Converts 5 Speed Operation to 6 Speed Operation; Improves Fuel Efficiency; Stage 1, Stage 2, Stage 3, Diesel Performance