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Founder, 1929-2014
Speedy Bill
Since 1952
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1937-48 Flathead Stock-Style Water Pump with Wide Belt

SAME DAY SHIPPING! Most orders ship within 24 hours.

Specs
Material Type:
Steel
Overall Height:
9.00
Sold in Quantity:
Each
Finish:
Painted
Shaft Diameter:
0.63
Mounted Length:
3.31
Hose ID:
1.75
Belt Width:
0.63
Groove Count:
1
Gasket(s) Included:
Yes
MFG. Part #:
-
Pulley Diameter:
4.35
Garage Sale:
No
Water Pump Style:
Short
Notes
Includes motor mount flange. 1.00" from engine side of pulley to mounting flange.
1937-48 Flathead Stock-Style Water Pump with Wide Belt1937-48 Flathead Stock-Style Water Pump with Wide Belt1937-48 Flathead Stock-Style Water Pump with Wide Belt1937-48 Flathead Stock-Style Water Pump with Wide Belt1937-48 Flathead Stock-Style Water Pump with Wide Belt
1937-48 Flathead Stock-Style Water Pump with Wide Belt

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Details

Reviews

Q & A

What's in the Box

Original Flathead water pumps have always suffered from unreliable bronze bushings and carbon seals. They almost always leaked and even Ford manuals warned mechanics not to tighten fan belts too tight. The excess slack allowed belts to slip and lose contact with the generator and water pump pulleys, causing more cooling and power problems.

Speedway's completely new water pumps feature severe-duty roller and ball bearings, close tolerances and modular impellers to provide maximum flow and reduce cavitation. They also have modern ceramic seals on a heavy duty 5/8" shaft, making the assembly exceptionally strong and more efficient. All mounting areas are spot faced for improved fit and sealing.

  • All-new high-nickel iron castings
  • Severe-duty roller and ball bearings
  • Ceramic seals on sturdy 3/4" shaft
  • High-flow modular impeller reduces cavitation
  • Gaskets included
  • For systems with 5/8" drive belts

Factory replacement for 1937-1948 Ford and Mercury cars and trucks. Includes gaskets.

Water Pump Features (GIF)

910-15593 Instructions (PDF)

Warranties

Note: Removing the pulley voids warranty.

Item Details

For Wide Belt Applications, Gaskets Included

You may also be interested in:

1937-1948 Flathead Ford Water Pump Bolt Kits
SKU-91303945
                        Premium stainless steel socket head bolts for a 1937-1948 Flathead Ford water pump. Each kit includes stainless steel AN washers. Contains enough hardware for two water pumps.
                    
1939-1941 Flathead Ford V8 Radiator Hose Dress-Up Kits
SKU-91015839
                        

Dress up your flathead by replacing your original cylinder head-to-radiator hoses with these stainless or chrome plated pieces. Each radiator hose dress kit replaces both upper hoses on a flathead Ford V8 and includes two chrome or stainless tubes, four rubber connector hoses, and eight stainless steel hose clamps. This is a quick and easy way to add some sparkle to your engine compartment.

  • Available with polished stainless steel or quality chrome-plated tubes
  • Strong three-ply rubber hose connectors
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1937-48 Flathead Stock-Style Water Pump W/ Wide Belt, Polished
SKU-91015513
                        Original Flathead water pumps have always suffered from unreliable bronze bushings and carbon seals. They almost always leaked and even Ford manuals warned mechanics not to tighten fan belts too tight. The excess slack allowed belts to slip and lose contact with the generator and water pump pulleys, causing more cooling and power problems. 

Speedway's completely new water pumps feature severe-duty roller and ball bearings, close tolerances and modular impellers to provide maximum flow and reduce cavitation. They also have modern ceramic seals on a heavy duty 3/4" shaft, making the assembly exceptionally strong and more efficient. All mounting areas are spot faced for improved fit and sealing.

Factory replacement for 1937-1948 Ford and Mercury cars and trucks. Includes gaskets.

  • Polished finish
  • Severe-duty roller and ball bearings
  • Ceramic seals on sturdy 3/4" shaft
  • High-flow modular impeller reduces cavitation
  • Gaskets included
  • For systems with 5/8" drive belts

Water Pump Features (GIF)

Book - The Official Guide to Cooling Systems
SKU-91085230
                        

Learn the secrets of how a cooling system works so you can solve your own cooling system problems. This book was written by a man who has 20-plus years preparing pre-1948 cars for the 4,000-mile Great Race across the United States. Great info for all, but geared toward the Flathead Ford V8.

By Randy Rundle. 8.5" x 11", 36 pages.