Engines and Components Oiling Systems

WHITECAP IND

TOURNAMENT ROD RACKS 2-TUBE

$35.69

SKU: W03U S-3448

Special Order
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 Sierra 18-3448 is a water pump kit designed for Mercury 20 HP outboard engines manufactured between 1967 and 1980. It is interchangeable with Mercury Marine part number 46-48744A3.

This kit includes essential components for replacing the water pump assembly, such as gaskets, seals, a bearing, a water tube seal, and an impeller. The kit also features a water pump body, face plate, and key, along with an o-ring set.

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

BrandWHITECAP IND
Part NumberW03U S-3448

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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