Towing Equipment› Hitches

SIERRAMARINE

CIRCULATING WATER PUMP

$246.90

SKU: S08C 18-3577-2

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

Easy — 1–2 hours

Description

The Sierra 18-3577-2 is a water circulating pump engineered to be an exact match to OEM pumps for marine applications. It is assembled with brass bi-directional impellers, suitable for installation on both right-hand and left-hand rotating engines. The pump includes necessary gaskets, plugs, a stainless steel seal cup, and a spring, all protected by a powder-coated finish to withstand harsh marine environments.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandSIERRAMARINE
Part NumberS08C 18-3577-2

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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