Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast ALLISON CAT 4 950 HP TRANSMISSION 2001-2003 4WD (WITHOUT CONVERTER) (NO FLEXPLATE) GMAX-CAT4-LB7-0103-4WD-LCF $2000 Core Charge Applies

$9,481.67

SKU: S02K GMAX-CAT3-LLY-0405-4WD-LCF

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Sun Coast GMAX-CAT3-LLY-0405-4WD Category 3 Transmission & Converter is designed to ensure your vehicle's transmission can handle increased engine performance. It includes custom clutch packs, custom steels, custom billet plates, a custom overhaul kit, and a recalibrated valve body. Key upgrades include a billet input shaft, billet flexplate, billet P2 planet, billet C2 clutch hub, and a SunCoast Triple Disc Billet Converter. This part is suitable for applications with increased horsepower, heavy towing, and extreme conditions.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandSun Coast Converters
Part NumberS02K GMAX-CAT3-LLY-0405-4WD-LCF

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.

View Full Return Policy