Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

ALLISON DEEP W LOC AND SPIN ON

$109.67

SKU: S02K 37710-12L

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The SunCoast 37710-12L is a deep transmission filter with a lock and spin-on design, engineered for 2001-2016 GM Silverado/Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax engine and Allison transmission. This kit includes both a deep internal filter and an external spin-on filter to enhance filtration and maintain cleaner transmission internals.

Designed with reliability in mind, the deep filter design increases surface area for better flow, while the integrated locking mechanism prevents the spin-on filter from vibrating loose under heavy load or rough terrain. This upgrade helps extend transmission fluid life and reduces the risk of filter loosening, offering improved protection for demanding applications like towing and performance 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 37710-12L

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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