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PART 32-1873

Big Twin 12 Volt Alternator Kit

by Volt Tech
$430.46
V-Twin list $358.72 ยท our price includes online ordering & support
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Before you order — V-Twin tech note

  • Produces 3 amp @ 750 RPM's. Produces 5 amp @ 1,000 RPM's. Produces 7.8 amp @ 2,000 RPM's.
  • Produces 8.5 amp @ 3,000 RPM's. Produces 8.9 amp @ 4,000 RPM's.
  • Suggested to use with #42-0438 Black Generator 3-Brush End Cover.
Classic Pre-1984
๐Ÿ๏ธ Add your bike to My Garage and we'll tell you instantly whether this fits. Listed for 2 models.

Description

This 32E Knucklehead, Panhead and flat side Shovelhead includes a black 12 volt alternator with a chrome end cover. Kit also includes black finned solid state regulator and gear kit.

*NOTE: Must order mount bolts and mount screws, as required, separately. Mounting flange mount holes are for 1/4"-24 or 5/16"-24 mount screws. The generator/alternator body is drilled for 1/4"-242 and 5/16"x24 mounting. Order correct screws from master list.

*NOTE: It is recommended that holes pre-1958 FL and G models be enlarged to 5/16" to accept the larger screws. As the 2-brush type generators and the 32E alternators, do not use a strap.

*NOTE: Can be installed on 1958-1969 FL or 1958-1985 XL models using 5/16" mount screws. Alternator unit includes a chrome end cover, there's a black restoration type available separately.

*NOTE: The finned regulator will have to be relocated from position of original relay on the right of the cam cover.

*NOTE: 32E alternator kit can be fitted with 1/4 x 24 screws, generator strap, and shim kit for the original look! Replaces 1936-1957 3 brush and 1958-1969 2 brush generators. Alternator has the original 32E shape!.

Specifications

V-Twin number
32-1873
Manufacturer
Volt Tech
Sold as
1 - KIT
Origin
Imported
2026 catalogue pages
709

Goes with this part

V-Twin lists these alongside 32-1873 — replacements, the parts commonly fitted at the same time, and supersessions. Check the fitment on each before ordering.

Fits these motorcycles (2)

FL1941-1969
EL1936-1952