Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

SUNCOAST O-Ringed End Plug Kit 105740-13K

$55.00

SKU: S02K 105740-13K

In Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sonnax Transmission Company 105740-13K is an O-ringed end plug kit designed for automatic transmission rebuilds. This kit is specifically engineered for GM 10L (Gen. 1) and Ford 10R transmissions. It helps restore correct circuit pressures by providing a positive seal.

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 105740-13K

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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