Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

SUNCOAST ALLISON C3 ALTO G3 POWERPACK 152757B

$745.00

SKU: S02K 152757B

In Stock
In Stock
Ships by Jun 10
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The ALLISON C3 ALTO G3 POWERPACK is a performance torque converter for GMC Topkick C4500 and C5500 models (2003-2009) with Duramax 6600 Turbo-Diesel V8 or Vortec 8100 V8 engines and automatic RWD/4WD transmissions.

Fitment

Fitment Guaranteed

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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.

Available on iOS & Android

Specifications

BrandSun Coast Converters
Part NumberS02K 152757B

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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