Exterior Components› Body Panels and Components

Sun Coast Converters

Suncoast Converters Pinion Pin - Pack of 4 77731-02K

$80.13

SKU: S02K 77731-02K

In Stock
In Stock
Ships by Jun 16
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast Converters 77731-02K is a pinion pin kit designed for automatic transmissions. This kit replaces worn or damaged OE pinion pins in the rear planetaries of specific GM transmissions. The hollow design incorporates lube holes to help reduce planetary burn-up.

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 77731-02K

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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