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PART 32-1157

Complete Alternator Generator Conversion Kit

by Volt Tech
$317.76
V-Twin list $264.80 ยท our price includes online ordering & support
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Classic Pre-1984
๐Ÿ๏ธ Add your bike to My Garage and we'll tell you instantly whether this fits. Listed for 3 models.

Description

This 12 volt alternator generator conversion kit replaces original generator and regulator. Includes black alternator, black regulator, and gear kit with slinger for side valve models. Kit includes a compact, high output alternator that measures 3-1/4" long, and weighs only 3 lbs. Kit is stronger than stock at 17 amps @ 1000 rpms. Features billet housing for accurate alignment and a stress proof shaft. Alternators have 5/16" x 24 mount holes for screws. Kit includes 45 manual.

*NOTE: Needs at least a 7 amp battery. **NOTE: Black finned Regulator is not built-in and must be mounted remotely. Cannot be used with mini battery (12N5.5A-3B).

Specifications

V-Twin number
32-1157
Manufacturer
Volt Tech
Sold as
1 - KIT
Origin
Imported
2026 catalogue pages
822

Goes with this part

V-Twin lists these alongside 32-1157 — replacements, the parts commonly fitted at the same time, and supersessions. Check the fitment on each before ordering.

Fits these motorcycles (3)

G1936-1973
W1936-1952
U1937-1948