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Drivetrain Automatic Transmissions and Components

Sun Coast Converters

Suncoast ALLISON CAT 1 REBUILD KIT WITH CONVERTER GMAX-CAT1-L5P-KIT $350 Core Charge Applies

$1,395.00 $1,248.34 Save $146.66

SKU: S02K SC-GM-GUARDIAN

In Stock
In Stock
Ships by Jun 19
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast SC-GM-GUARDIAN is a single disc torque converter with a 2000 RPM stall speed, designed as a replacement for the factory converter in GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison 1000 transmissions from 2004-2016. It features a fully machined, forged apply piston and upgraded friction material for improved thermal capacity and towing.

Fitment

Fitment Guaranteed

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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 SC-GM-GUARDIAN

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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