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#91015538
Stewart Components 12103 Small Block Chevy Stage 1 Water Pump, Short
9 Reviews
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5 Questions
- They are compatible with stock lines and brackets
- Provides equal flow to left and right cylinder heads
- It is precision ground hub for perfect pully alignment
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$94.99
each
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Product Summary
Chevy Small Block V8, Mechanical Water Pump Type
- They are compatible with stock lines and brackets
- Provides equal flow to left and right cylinder heads
- It is precision ground hub for perfect pully alignment
- Recommended for stock, OEM, or mild performance applications
- The castings are internally modified for performance and reliability
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Key Specs
| MFG. Part # | 12103 |
| Brand | Stewart Components |
| Water Pump Type | Mechanical |
| Water Pump Style | Short |
| Pump Flow | High-Volume |
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Return PolicyStewart Components 12103 Details
Stewart Components 12103 Details
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.
Stewart Components 12103 Specifications
Stewart Components 12103 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 12103 |
| Brand | Stewart Components |
| Water Pump Type | Mechanical |
| Water Pump Style | Short |
| Pump Flow | High-Volume |
| GENERAL | |
| Rotation | Clockwise/Standard |
| Housing Material | Cast-Iron |
| Housing Finish | Natural |
| Housing Color | Natural |
| Block to Hub Distance | 5.625 Inch (5-5/8") |
| Heater Inlet Size | 3/4" NPT on the top and 1/2" NPT |
| Hose ID | 1.81" |
| Shaft Length | 0.54" |
| Pilot Shaft Diameter | 0.63 Inch |
| Gasket(s) Included | Yes |
| Hardware Included | No |
| Weight | 10.3 lbs. |
| Sold in Quantity | Each |
| Notes | Clearance from back of pump to engine block mount is .875" |
| GTIN Code | 694455000120 |