Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.

EMP Stewart Stage 4 Water Pumps 43103 Pump, 4, Aluminum, Natural, High-Volume, Chevy, Small Block, Short, Each

SKU: EMP43103

Water Pumps, Mechanical

EMP Stewart Stage 4 Water Pumps 43103 Pump, 4, Aluminum, Natural, High-Volume, Chevy, Small Block, Short, Each

SKU: EMP43103

Water Pumps, Mechanical
A$781.91
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

IMPORTANT NOTICE: Water pump is 5.795 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 SBC Short 71-82 Corvette

Data: v4.2 - Upd: 2026-09-28 22:52:41

Specifications

Product Attributes - Brand
EMP/Stewart Components
Product Attributes - Manufacturer's Part Number
43103
Product Attributes - Part Type
Water Pumps, Mechanical
Product Attributes - Product Line
EMP Stewart Stage 4 Water Pumps
Product Attributes - UPC
694455000885
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 5.795 in. long. Must use a high-flow thermostat if a thermostat is being used.

Reference Information

Brand Name/s Emp/stewart Components
StreetFX SKU emp43103
SFX Item ID 5187945
Supplier Item Code 5187945
Manufacturer SKU 43103
Manufacturer UPC 694455000885
Alternative References STE43103

Compatibility

Application Data
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.4L/327
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.9L/302
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
  • Water Pump FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/307

Loading compatibility information...

Keep shopping

More from Emp/stewart Components