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Choose your trim in My Garage to confirm exact fit.
Every category we carry for this vehicle, organized by system.
Find all the parts you need for common jobs on your 1940 Harley-Davidson U.
This page groups parts listed for the 1940 Harley-Davidson U. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.
The most popular categories for the 1940 Harley-Davidson U include Wiring & Electrical. Browse our full selection to find the exact parts you need for your vehicle.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.
Fits any vehicle — oil, washes, waxes, and tools.
Start with an intent — drill into any category for exact-fit picks.
Maintenance & repair
Appearance & personalization
Capability & cargo
Performance upgrades
Weather & seasonal prep
$18.28
$40.01
$21.48
$16.68
$11.84
$39.03
Addictive Desert Designs 2021+ Ford Bronco Stealth Fighter Front Bumper w/ Winch Mount
Acura (No Fill) Class II Trailer Hitch Plug - Mirrored
Ford Racing 05-14 Mustang Hood Lift Kit w/ Laser Engraved Ford Performance Logo
Everyday parts and care essentials — mats, covers, wipers, filters, and oils.
Mobil 1
Part # 44925
$17.95
Performance Tool
Part # W1
$29.43
Lucas
Part # 10467
Gliptone
Part # GT9402
Lucas
Part # 10115
Performance Tool
Part # W1141WIL
$12.00
Lucas
Part # 10047
Performance Tool
Part # W54045WIL
$11.62
$18.28
$11.84
$40.01
$21.48
