Motorcycle Fabrication Parts – Vintage & Custom Fab Components

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Shop motorcycle fabrication parts for vintage restorations and custom builds. This collection includes universal fab components designed for cafe racer, brat, tracker, scrambler, and chopper projects.

Universal motorcycle 35mm / 39mm / 41mm Cast Aluminum Black Headlight Bracket Set — 35mm / 39mm / 41mm Cast Aluminum Black Headlight Bracket Set
$49.95

Fabrication parts allow builders to modify, mount, adapt, and customize motorcycles beyond factory limitations. Whether you're installing a custom seat, relocating controls, mounting lighting, or building a one-off project, quality motorcycle fabrication components ensure secure fitment and clean installation.

Our inventory includes mounting brackets, tabs, bungs, weld-on components, frame hardware, custom mounting plates, and universal adaptation parts — all selected for strength, compatibility, and reliable performance across vintage and modified motorcycles.

Old Bike Barn specializes in vintage motorcycle parts and traditional custom components curated by riders who wrench and build.

Motorcycle Fabrication Parts parts questions

What does this Motorcycle Fabrication Parts collection include?

This collection brings together replacement and service parts for Motorcycle Fabrication Parts applications, organized so you can compare options against your own machine before ordering.

Are these Motorcycle Fabrication Parts parts OEM or aftermarket?

Both. Old Bike Barn stocks genuine OEM replacements alongside quality aftermarket parts, and each listing states which it is. OEM suits a period-correct restoration; aftermarket often costs less or offers an upgrade over the original design.

How do I confirm a part fits my Motorcycle Fabrication Parts?

Check the application details on the product page against your year, and engine or frame number. Older machines are often not original, so confirm the part you are replacing rather than assuming factory spec. If you are unsure, contact us before ordering.

How fast does Old Bike Barn ship?

Orders ship from our warehouse on regular business days, and shipping is free on orders over $50 within the United States. Tracking is emailed as soon as your order leaves.