Sale

Drivetrain Automatic Transmissions and Components

Sun Coast Converters

Suncoast ALLISON 3000 STALL CONVERTER GM-10531-3D $350 Core Charge Applies

$1,575.00 $1,510.00 Save $65.00

SKU: S02K GM-1056-3D

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast GM-1056-3D is a triple disc torque converter designed for 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison 1000 daily driven trucks, featuring an OEM style stator, custom modified impeller for low-end torque and high-end efficiency, and a Sun Coast triple clutch with a billet cover for unbeatable lockup performance. It has a 2000 RPM stall and comes with a 3-year unlimited mileage warranty.

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 GM-1056-3D

Videos

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