Exterior Components› Body Panels and Components

A1 REMFG INC

DOMES. DISC BRAKE CALIPER

$73.57

SKU: A02N 18-4622

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

Professional / shop required

Description

The Sierra 18-4622 is a piston kit designed for maintaining and repairing boat engines. This piston is made to a specific size of .030, with a bore size of 2.595/.030. It is identified by the manufacturer part number 18-4622 and is interchangeable with Mallory 9-53202 and Mercury 780-9229A11, among others. The kit includes piston rings, wrist pin, and circlips.

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.

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Specifications

BrandA1 REMFG INC
Part NumberA02N 18-4622

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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