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1946-53 Flathead Alternator Bracket and Pulley Kit, Plain

$67.99

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  • Vintage Compatibility: Specifically designed for 1946-1953 Flathead Ford and Mercury V-8 engines with WIDE belt drive systems.
  • Durable Construction: Heavy-duty steel bracket ensures longevity and can easily be painted to match your engine aesthetics.
  • Seamless Adaptation: Effortlessly adapts GM alternator to original 5/8″ belt, ensuring a hassle-free installation process.
  • Comprehensive Kit: Includes an alternator pulley that allows the use of a 5/8″ wide Flathead-style belt on GM alternators.
  • Versatile Use: Compatible with all Powermaster alternators, generators, most GM alternators, and designed for both narrow two-belt and wide single-belt configurations with minimal modifications.

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.
SKU: D-B09QHMZBZX Category:

Description

Alternator Pulley 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. Alternator Bracket Just because you’ve got a vintage FlatheadCompatible with Ford Compatible with V8 in your ride doesn’t mean you’re stuck with the antiquated charging system. Switching to a tried-and-true GM 1-wire alternator is a great upgrade for any Flathead-equipped vehicle with a 12-volt electrical system. Bracket 1946-1953 FlatheadCompatible with Ford and Mercury V-8 engines with WIDE belt drive systems. Heavy-duty steel construction. Can easily be painted to match your engine. Designed to work with the two narrow-belt drive system typical of late ’50-’53Compatible with Ford/Mercury passenger cars. Will not work with single wide belts unless the alternator is modified (see Notes) 3/8″ I.D. hole for mounting the alternator. Tapped 7/16″-20 to mount to the engine.

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Product facts

Specifications

Canonical product
MP-US-B09QHMZBZX
Source product ID
B09QHMZBZX
Category
Replacement Parts / Starters & Alternators / Alternators & Generators / Brackets
Available images
4

Vehicle information

Available fitment details

Listing compatibility notes

  • Versatile Use: Compatible with all Powermaster alternators, generators, most GM alternators, and designed for both narrow two-belt and wide single-belt configurations with minimal modifications.
  • Alternator Bracket Just because you've got a vintage FlatheadCompatible with Ford Compatible with V8 in your ride doesn't mean you're stuck with the antiquated charging system.
  • Bracket 1946-1953 FlatheadCompatible with Ford and Mercury V-8 engines with WIDE belt drive systems.
  • Designed to work with the two narrow-belt drive system typical of late '50-'53Compatible with Ford/Mercury passenger cars.

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

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Fit and size notes

  • Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
  • Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.

Specification notes

  • Canonical product: MP-US-B09QHMZBZX
  • Source product ID: B09QHMZBZX
  • Category: Replacement Parts / Starters & Alternators / Alternators & Generators / Brackets
  • Available images: 4

Before you buy

  • Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
  • Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.