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Heating and Cooling› Water Pumps

STEWART

Water Pump BBC Short

$255.95 $219.76 Save $36.19

SKU: S07J 31203

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Stewart Stage 3 Water Pump (MPN 31203) is a mechanical, aluminum water pump with a 3/4 inch pilot and short design for Big Block Chevrolet engines, featuring high flow and pressure capabilities.

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

BrandSTEWART
Part NumberS07J 31203

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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