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Emp/stewart Components

EMP Stewart Stage 4 Water Pumps 41203 Pump, 4, Aluminum, Natural, High-Volume, Chevy, Big Block, Short, Each

SKU: EMP41203

Water Pumps, Mechanical
EMP Stewart Stage 4 Water Pumps 41203 Pump, 4, Aluminum, Natural, High-Volume, Chevy, Big Block, Short, Each

Emp/stewart Components

EMP Stewart Stage 4 Water Pumps 41203 Pump, 4, Aluminum, Natural, High-Volume, Chevy, Big Block, Short, Each

SKU: EMP41203

Water Pumps, Mechanical
A$822.77
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Water pump is 5.750 in. long. Must use a high-flow thermostat if a thermostat is being used.

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!

Part Type

Water Pump BBC Short

Data: v4.2 - Upd: 2026-10-14 08:56:22

Specifications

Product Attributes - Brand
EMP/Stewart Components
Product Attributes - Manufacturer's Part Number
41203
Product Attributes - Part Type
Water Pumps, Mechanical
Product Attributes - Product Line
EMP Stewart Stage 4 Water Pumps
Product Attributes - UPC
694455000847
Product Attributes - Pump Flow
High-volume
Product Attributes - Water Pump Rotation
Clockwise
Product Attributes - Pilot Diameter (in.)
0.750 in.
Product Attributes - Pump Material
Aluminum
Product Attributes - Pump Color
Natural
Product Attributes - Water Pump Style
Short
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Water pump is 5.750 in. long. Must use a high-flow thermostat if a thermostat is being used.

Reference Information

Brand Name/s Emp/stewart Components
StreetFX SKU emp41203
SFX Item ID 5187928
Supplier Item Code 5187928
Manufacturer SKU 41203
Manufacturer UPC 694455000847
Alternative References STE41203

Compatibility

Application Data
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine TypeV8
    Engine FamilyChevy big block Gen V
    Engine Size7.4L/454
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine TypeV8
    Engine FamilyChevy big block Gen VI
    Engine Size7.4L/454

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