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Stewart Components 12103 Small Block Chevy Stage 1 Water Pump, Short

Specs
Sold in Quantity:
Each
Finish:
Natural
Material Type:
Cast Iron
Water Pump Style:
Short
Water Pump Type:
Mechanical
Heater Inlet Size:
3/4" NPT on the top and 1/2" NPT
MFG. Part #:
12103
Gasket(s) Included:
Yes
Hardware Included:
No
Shaft Diameter:
0.63
Shaft Length:
0.54
Hose ID:
1.81
Weight:
10.30
Mounted Length:
5.625
Notes
Clearance from back of pump to engine block mount is .88"
Stewart Components 12103 Small Block Chevy Stage 1 Water Pump, Short

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Details

Reviews (6)

Q & A (3)

What's in the Box

Info

Uses new, OEM cast iron castings precision machined and assembled by Stewart Components to their exacting standards. They feature higher flow and pressure for better cooling. They have a 3/4" bearing and 5/8" shaft. 

  • Castings are internally modified for performance and reliability 
  • Compatible with stock lines and brackets
  • Precision ground hub for perfect pully alignment
  • Equal flow to left and right cylinder heads 
  • Recommended for stock, OEM, or mild performance applications 
  • One year warranty

Note: If using a mechanical fan, we suggest using a 3/4" shaft water pump.

Learn how to choose the correct water pump for your application by reading our tech article.  SBC - Short vs Long Water Pump.   

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