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COMPU-FIRE ALTERNATOR 150A GL1800

$ 774.35

In stock

150 Amp Alternator

Part #: 21120834

COMPU-FIRE quality guaranteed.

Available for ship to store or drop ship.


Free Shipping on New Part orders over $100

COMPU-FIRE ALTERNATOR 150A GL1800

Product Specifications

Weight 10.65 lbs
Part Number

21120834

Punctuated Part Number

2112-0834

Vendor Part Number

58200

Vendor Punctuated Part Number

58200

Commodity Code

2112

Commodity Group

ELECTRICAL SYSTEM GROUP

Commodity Type

ALTERNATOR GROUP

MPN

21120834

Brand

COMPU-FIRE

Get the performance you need with the COMPU-FIRE ALTERNATOR 150A GL1800, available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.

Product Description

ALTERNATOR 150A GL1800

  • Maximum output of 150 A is enough to power all available electrical accessories in the marketplace
  • High-output replacement for 78 A ('00-'08 models) and 110 A ('09-'12 models) OEM alternators
  • Assembled in the USA using only new premium components from leading electrical industry suppliers

Part Locations

Location Available
Wisconsin (WI) 5
New York (NY) 2
Texas (TX) 1
Nevada (NV) 0
North Carolina (NC) 2
National Total 10

Stock levels last updated: December 26, 2025 3:46 AM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.


Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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Need help with installation?  Our Service Department based in Kansas City, Missouri is here for you.  Fill out a Service Request and lets get you rolling!