EMP Stewart Stage 4 Water Pumps 42203

Name: EMP Stewart Stage 4 Water Pumps
Brand: EMP/Stewart Components
SKU: EMP-42203
Price: 323.99 USD
Availability: InStock
Rating: 5 (1 reviews)

5 out of 5 stars ( 1 )

Part Number: EMP-42203

$323.99

EMP Stewart Stage 4 Water Pumps

Water Pump, Stage 4, Aluminum, High-Volume, Chevy, Small Block, 3/4 in. Pilot, Each
See More Specifications | Check the Fit

EMP Stewart Stage 4 Water Pumps 42203

EMP-42203

5 out of 5 stars ( 1 )

Part Number: EMP-42203

Estimated Ship Date: Nov 18, 2026

$323.99

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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?

Overview

Brand:

EMP/Stewart Components

Manufacturer's Part Number:

42203

Part Type:

Mechanical Water Pumps

Product Line:

EMP Stewart Stage 4 Water Pumps

Summit Racing Part Number:

EMP-42203

Item Number:

1006304

Pump Flow:

High-volume

Water Pump Rotation:

Clockwise

Pilot Diameter (in.):

0.750 in.

Pump Material:

Aluminum

Pump Color:

Natural

Water Pump Style:

Short

Remanufactured:

Quantity:

Sold individually.

Notes:

5.625 in. length.

EMP Stewart Stage 4 Water Pumps

EMP Stewart water pumps are the premier choice of professional engine builders, race teams, and performance enthusiasts. They're great for street rodding and OEM replacement applications, and even the most extreme forms of motorsports in the world, including NASCAR Winston Cup and NHRA Pro Stock. These EMP Stewart Stage 4 water pumps are the cutting edge in performance water pump technology. These Stage 4 pumps utilize the Stewart Components DRV-8 impeller. This exclusive 8-vane impeller is fully CNC-machined from 6061-T6 billet aluminum. Its special design flows up to 160 gpm, while consuming less than 3 hp at 4,500 pump rpm. EMP Stewart Stage 4 pumps are the ultimate water pumps for any application!

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