1939 Harley-Davidson U(1 parts)

Vehicle Fitment Catalog

Choose your trim in My Garage to confirm exact fit.

Shop by Problem

Brakes squeaking?Brakes squeaking or grinding?AC not cold?AC not blowing cold?Check engine light?Check engine light on?

Other Harley-Davidson U Years

1940 1938 1941 1937 1942

1939 Harley-Davidson U(1 parts)

Vehicle Fitment Catalog

Choose your trim in My Garage to confirm exact fit.

What do you want for your vehicle?

Start with an intent — drill into any category for exact-fit picks.

Keep it running

Maintenance & repair

Renewed Brake Master Cylinder

DFC 01-05 Mazda Miata Front 4000 HybriDynamic Brake Pads

DFC 11-16 Scion Tc Rear Left Drilled & Slotted Geoperformance Rotor

Mobil 1 V-Twin 20W-50 Synthetic Motorcycle Oil (1 Quart)

Shop all keep it running

Make it yours

Appearance & personalization

GrimmSpeed 02-08 WRX/STi/LGTAntenna Delete Plate

CUSTOM SEAT COVERS (1 ROW) NEOSUPREME BLUE / BLACK SIDES

Heads-Up Saggy Stoppers Headliner Fasteners (8-Pack)

Addictive Desert Designs 2021+ Ford Bronco Stealth Fighter Front Bumper w/ Winch Mount

Make it do more

Capability & cargo

Innovative 92-00 Civic B/D-Series Black Steel A/C Bracket (D Series Compressor)

Jeep Wrangler & CJ Chrome Tow Hook Kit (1942-1995)

Jeep 9500 LB. Class III 2" Receiver Hitch D-Ring

Acura (No Fill) Class II Trailer Hitch Plug - Mirrored

Go faster

Performance upgrades

CANISTER PURGE SOLENOID

Edelbrock Retainers for 5792 V/S

Shock Absorber Assembly Kit

Ready for the season

Weather & seasonal prep

Bosch ICON Wiper Blades - Size:13 inch

Mothers Foaming Wheel & Tire Cleaner (24 oz.)

Auto Ventshade 94044 Chevy Silverado & GMC Sierra 4-Piece VentVisor (1999-2007)

A/C Compressor Replacement Service Kit

Gift for an owner

Detailing, mats & keychains

Meguiar's NXT Generation Tech Wax 2.0 Liquid (18 oz.)

Heads-Up Saggy Stoppers Headliner Fasteners (8-Pack)

CUSTOM SEAT COVERS (1 ROW) NEOSUPREME BLUE / BLACK SIDES

Flat License Plate Shields - Color:Blue

Shop all gift for an owner

Browse all categories

Every category we carry for this vehicle, organized by system.

Wiring & Electrical(1)

Maintenance, care & accessories

Fits any vehicle — oil, washes, waxes, and tools.

Oil Fluids

See all →

Mobil 1

Part # 44925

Mobil 1 V-Twin 20W-50 Synthetic Motorcycle Oil (1 Quart)

$17.95

Lucas

Part # 10467

Lucas Semi-Synthetic 2-Cycle Land & Sea Motor Oil (1 Qt.)

Lucas

Part # 10115

Lucas Semi-Synthetic 2-Cycle Racing Oil (1 Gallon)

Lucas

Part # 10047

Lucas 75W90 Synthetic Gear Oil (1 Quart)

Car Wash

See all →

Mothers

Mothers Foaming Wheel & Tire Cleaner (24 oz.)

Tools

See all →

Performance Tool

Part # W1

PERFORMANCE TOOL 20" SAE/METRIC 4-WAY LUG WRENCH

$29.43

Gliptone

Part # GT9402

Gliptone Tire Shine Applicators

Car Wax

See all →

Meguiar's

Part # G-12718

Meguiar's NXT Generation Tech Wax 2.0 Liquid (18 oz.)

Maintenance & Repair Jobs

Find all the parts you need for common jobs on your 1939 Harley-Davidson U.

Brake Job Oil Change Tune-Up Suspension Upgrade Wiper Replacement Battery Replacement

Frequently Asked Questions

Do these parts fit my 1939 Harley-Davidson U?

This page groups parts listed for the 1939 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.

What are the most popular parts for the 1939 Harley-Davidson U?

The most popular categories for the 1939 Harley-Davidson U include Wiring & Electrical. Browse our full selection to find the exact parts you need for your vehicle.

How fast do 1939 Harley-Davidson U parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1939 Harley-Davidson U parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

Shop by Problem

Brakes squeaking?Brakes squeaking or grinding?AC not cold?AC not blowing cold?Check engine light?Check engine light on?

Other Harley-Davidson U Years

1940 1938 1941 1937 1942