Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast ALLISON CAT 3 700 HP TRANSMISSION 2001-2003 2WD (WITHOUT CONVERTER) (NO FLEXPLATE) GMAX-CAT3-LB7-0103-2WD-LCF $2000 Core Charge Applies

$7,748.34

SKU: S02K GMAX-CAT2-LLY-0405-2WD-LCF

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In Stock
Ships by Jun 20
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Non-Returnable Item
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Description

Replacement transmission with converter for 2004-2005 GM Duramax LLY 2WD vehicles. Assembled in the USA using high-quality components, providing excellent driving characteristics and smooth, firm shifts. Engineered for superior strength, reliability, and optimized performance under heavy-duty conditions (towing, racing, daily driving).

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSun Coast Converters
Part NumberS02K GMAX-CAT2-LLY-0405-2WD-LCF

Videos

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Duramax 2001 - 2005 Six Speed Conversion
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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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