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Everything you need to service your Harley-Davidson on your own. In this category, you’ll find complete DIY maintenance kits, including engine oil, transmission oil, primary oil, and high-quality oil filters, designed specifically for Harley-Davidson models. Whether you're doing a routine oil change or preparing for a long ride, these kits ensure your bike stays in peak condition without visiting the shop.

-€7.13
Out of Stock

TWIN AIR Biodegradable Dirt Remover — 1 L, for foam filters

Water‑soluble biodegradable cleaner that removes oil and dirt using granular detergents; rinses clean, safe for drains, and gentle on foam filter media.

€13.24 €20.37

-€3.22
Out of Stock

BEL-RAY Super Clean Chain Lube — 175 ml (5.9 US fl oz)

Dries white for complete coverage, resists fling-off and won’t attract dirt. Wear and corrosion protection for ring and non-sealed chains; suitable for street and off-road use.

€6.89 €10.11

-€12.63
Out of Stock

TWIN AIR Liquid Dirt Remover — 4 L, air filters

Quickly dissolves dirt and grease from filters without hardening or damaging the media.

€35.72 €48.35

Liquid Dirt Remover — 500 ml (16.9 US fl oz), Aerosol spray, Air filters

-€3.26
Out of Stock

TWIN AIR Liquid Dirt Remover — 500 ml (16.9 US fl oz), Aerosol spray,...

Dissolves dirt and grease from filters quickly without hardening or damaging the filter media.

€9.23 €12.49

ATV & SxS Mineral 4T Engine Oil — 10W-40, 1 L, 4-Stroke

-€3.65
Out of Stock

BEL-RAY ATV & SxS Mineral 4T Engine Oil — 10W-40, 1 L, 4-Stroke

Petroleum-based formula tailored for 4T ATVs and UTVs.

Rust Defense System protects engine components.

Wear protection extends engine life.

Suitable for air-cooled and liquid-cooled engines with wet clutches.

€8.30 €11.95

EXL Mineral 4T Engine Oil — 20W-50, 1 liter (1.05 US quart), JASO MA2

-€3.76
Out of Stock

BEL-RAY EXL Mineral 4T Engine Oil — 20W-50, 1 liter (1.05 US quart),...

Premium mineral 4T engine oil that delivers strong anti-wear protection, corrosion resistance, reduced evaporation loss, and reliable wet-clutch performance. Ideal for frequent oil-change intervals.

€8.19 €11.95

-€4.12
Out of Stock

BEL-RAY High-Performance Fork Oil — 1 L (1.05 US qt), 10W

Formulated for front forks to reduce fade, eliminate stiction and drag, provide superior anti-foam protection, and extend component life.

€9.67 €13.79

-€4.12
Out of Stock

BEL-RAY High-Performance Fork Oil — 1 L, 30W

Reduces stiction and foam for smoother fork operation and longer component life.

€9.67 €13.79

Thumper® Racing Synthetic Ester 4T Engine Oil — 10W-50, 1 L (1.05 US qt)

-€4.79
Out of Stock

BEL-RAY Thumper® Racing Synthetic Ester 4T Engine Oil — 10W-50, 1 L...

Synthetic ester formula for maximum horsepower, consistent clutch performance, and wear protection for single-cylinder offroad motorcycles and ATVs.

€12.68 €17.47

Bio Air Filter Sealant — 100 mL, air filter rim

-€3.11
Out of Stock

TWIN AIR Bio Air Filter Sealant — 100 mL, air filter rim

Biodegradable paste sealant for the foam sealing ring that prevents debris from passing at the airbox contact point. Cleans easily with compatible biodegradable or liquid dirt removers.

€8.81 €11.92

V-Twin Semi-Synthetic 4-Stroke Engine Oil — 4 L (1.05 US gal), 20W-50

-€11.87
Out of Stock

BEL-RAY V-Twin Semi-Synthetic 4-Stroke Engine Oil — 4 L (1.05 US gal),...

Semi-synthetic blend offering synthetic-like protection and high film strength. Ideal for riders who change oil every 5,000 miles; recommended for Twin Cam and M8 engines.

€32.28 €44.15

Oil Filter/Regulator Mount Kit — Black, Aluminum, Kit

-€31.51
Out of Stock

ACCUTRONIX Oil Filter/Regulator Mount Kit — Black, Aluminum, Kit

Compact mount kit to relocate the oil filter and fit an external regulator; includes hardware and fittings. Made in the USA.

€122.55 €154.06

-€3.41
Out of Stock

TWIN AIR Ice Flow High Performance Coolant — 1 L (1.05 US qt)

Ready to use demineralized water — no dilution required
Mono propylene glycol (mpg), biodegradable
Extreme freeze protection to -26°C / -14°F
Silicate free; protects metals and seals

€8.11 €11.52

Complete Air Filter Maintenance Kit — 1 liter

-€34.73
Out of Stock

TWIN AIR Complete Air Filter Maintenance Kit — 1 liter

Complete kit with cleaner, filter oil, cleaning and oiling tubs, plus an aerosol contact cleaner for routine air filter maintenance.

€64.50 €99.23

Bio Liquid Power Filter Oil — 1 liter (1.05 US qt), foam application

-€6.59
Out of Stock

TWIN AIR Bio Liquid Power Filter Oil — 1 liter (1.05 US qt), foam...

Biodegradable oil that penetrates foam filters and dries to a high-tack coating to trap dirt and grit.

€12.24 €18.83

-€4.00
Out of Stock

TWIN AIR Liquid Power Air Filter Oil — 1 L (1.05 US qt)

Use on all foam air filters. Maximizes airflow while trapping harmful dirt.

€11.32 €15.32

-€2.98
Out of Stock

TWIN AIR Liquid Power Air Filter Oil — 500 ml (16.9 US fl oz.)

High-performance oil for foam air filters that traps dirt while allowing maximum airflow.

€8.42 €11.40

-€3.40
Out of Stock

TWIN AIR Bio Liquid Power Filter Oil — 500 ml (16.9 US fl oz), Foam

Keeps foam filters like-new; starts thin for deep penetration and dries to a high-tack shield that traps dirt, dust and grit. Developed by Texaco for Twin Air.

€9.63 €13.03

Bio System — 1 L oil container, air filter kit

-€20.16
Out of Stock

TWIN AIR Bio System — 1 L oil container, air filter kit

Complete Twin Air filter care kit with cleaning and oiling tubs, BIO cleaners and a sturdy storage box for transport.

€56.95 €77.11

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