Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith

Plain 1938-1945 Flathead Alternator Bracket

SAME DAY SHIPPING!

Specs
Material Type:
Steel
Sold in Quantity:
Each
Finish:
Zinc
Belt Width:
.63
Notes
May require some modification for alternator fitment.

Share by Email

From
To

Click image to enlarge

X

Details

Reviews

Q & A

What's in the Box

If you're converting your Flathead-powered car or truck to a 12-volt electrical system, you'll need a modern alternator for proper charging. This bracket mounts the ever-popular GM 1-wire alternator to a 1938-1945 Flathead Ford V8. The plain steel bracket can easily be painted to match your engine.

  • Center mounts GM SI-style alternators
  • Must use with the single 5/8" wide belt
  • Must use with the early "short" water pumps

Mounting Guide (Link)

You may also be interested in:

Offenhauser 1093 37-48 Flathead Drve Side Head Mount Generator Bracket
                        

These cast aluminum brackets for 1937-1948 Flathead Ford V-8 relocate your generator above the cylinder head to make room for multi-carb manifolds, air cleaners, etc. Must be used with stud kit 916-67912.

 

  • Bolt Boss Thickness:  1-1/4"
  • Inside Width:  2-1/2"
Note: This bracket is designed to mount an original stock 6V generator, but it could also be used with a bracket such as 916-67908 or 916-67907 to mount a GM 1-wire alternator.

Cylinder Head Mount Chart (Link)

 

Powergen 1939-48 Flathead Ford One Wire Alternator, 12 Volt
                        

If you like traditional looks and modern performance, you’re gonna love this cool Flathead 1-wire alternator. It has the look of an original generator, but is really a 12-volt, negative-ground alternator that produces 60 amps at idle and 75 amps going down the road.

Designed to fit 1939-1948 Ford & Mercury Cars and 1939-1947 Ford Trucks with Flathead V8s. These feature a simple one-wire hookup and are available in black or polished aluminum.

  • Retains original generator appearance
  • Easy one-wire hookup
  • 60 amps at idle
  • 75 amps at road speed
  • Uses stock mounting bracket
  • Includes pulley for 5/8" wide belt
  • Pulleys for 3/8" wide belt available seperately

Flathead Ford One Wire Alternator Instructions (PDF)

Powergen Cutaway View (Link) 

1937-48 Flathead Stock-Style Water Pump with Wide Belt
                        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)

Chrome 1938-1945 Flathead Alternator Bracket
                        

If you're converting your Flathead-powered car or truck to a 12-volt electrical system, you'll need a modern alternator for proper charging. This bracket mounts the ever-popular GM 1-wire alternator to a 1938-1945 Flathead Ford V8. Features a deep chrome plating that is sure to last.

  • Center mounts GM SI-style alternators
  • Must use with the single 5/8" wide belt
  • Must use with the early "short" water pumps

Mounting Guide (Link)

1973-86 GM Chrome Alternator, Internal Regulator, 60 Amp
                        

All-new high output 60 amp 1973-86 GM style 3-wire internally regulated chrome alternator.

GM Alternator, 5/8 Inch Wide Alternator Belt Pulley, Plain
                        

So you've converted your Flathead-powered rod over to 12 volts and bolted a GM alternator in place. Now it's time to install the belt, but your engine pulley is 5/8" and the alternator is 1/2"!

Don’t worry, Speedway has you covered. This alternator pulley allows the use of a 5/8" wide Flathead-style belt on GM externally regulated, SI and one-wire alternators.

Offenhauser 3499 1945-1948 Flathead Fan Carrier Bracket
                        

Aluminum fan carrier bracket fits 1945-1948 Flatheads with either stock intake manifold or Offy aluminum intakes with fan bracket provisions. Width of bracket where it mounts onto the manifold is 2-1/4".

Mounting Chart (Part A in Chart)