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Engine Oil
Primary Oil
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Oil Filters
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Maintenance Kits

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.

Thumper® Racing Synthetic Ester Blend 4T Engine Oil — 1 L (1.05 US qt), 10W-40, JASO MA2

-€4.23

BEL-RAY Thumper® Racing Synthetic Ester Blend 4T Engine Oil — 1 L...

High-performance ester blend 4T engine oil for single-cylinder off-road and racing motorcycles and ATVs; exceptional anti-wear protection and consistent clutch performance.

€9.56 €13.79

EXS Synthetic Ester 4T Engine Oil — 1 L (1.05 US qt), 10W-50, JASO MA2

-€5.28

BEL-RAY EXS Synthetic Ester 4T Engine Oil — 1 L (1.05 US qt), 10W-50,...

100% synthetic ester base oil offering superior film strength, exceptional shear stability, extreme pressure protection for smoother shifting, and reduced friction for extended drain intervals in performance-oriented machines.

€13.11 €18.39

EXS Synthetic Ester 4T Engine Oil — 10W-50, 4 L (1.05 US gal), JASO MA2

-€17.33

BEL-RAY EXS Synthetic Ester 4T Engine Oil — 10W-50, 4 L (1.05 US gal),...

100% synthetic ester-based 4T oil delivering superior film strength, shear stability and protection for extended drain intervals.

€48.90 €66.23

-€3.76

BEL-RAY EXL Mineral 4T Engine Oil — 1 L, 10W-40, JASO MA2

Premium 4T engine oil delivering superior anti-wear protection, corrosion resistance, reduced evaporation and excellent wet clutch performance; ideal for frequent oil-change intervals in motocross and dual-sport riding.

€8.19 €11.95

EXL Mineral 4T Engine Oil — 10W-40, 4 liter (1.05 US gal.), JASO MA2

-€10.72

BEL-RAY EXL Mineral 4T Engine Oil — 10W-40, 4 liter (1.05 US gal.),...

Premium 4T engine oil formulated with mineral base oils and a superior additive package. Provides excellent anti-wear protection, corrosion resistance, reduced evaporation loss, and reliable wet clutch performance. Ideal for motocross and dual-sport riders with recommended change intervals of 2–4 hours (mx) or 2,500–3,000 miles (dual sport).

€28.83 €39.55

-€10.72

BEL-RAY EXL Mineral 4T Engine Oil — 4 L, 20W-50, JASO MA2, API SN

Premium mineral 4T engine oil with a superior additive package for excellent anti-wear protection, corrosion resistance, reduced evaporation and reliable wet clutch performance.

€28.83 €39.55

-€12.81

BEL-RAY EXP Synthetic Ester Blend 4T Engine Oil — 4 L, 10W-40, JASO MA2

Semi-synthetic 4T engine oil with ester-based additives for improved film strength, smoother shifting, and prolonged wet clutch life.

€35.94 €48.75

EXP Synthetic Ester Blend 4T Engine Oil — 1 L (1.05 US qt), 10W-40, 4-stroke

-€4.21

BEL-RAY EXP Synthetic Ester Blend 4T Engine Oil — 1 L (1.05 US qt),...

Synthetic ester blend 4T engine oil designed to improve transmission protection, stabilize viscosity across temperatures, and extend wet clutch life.

€9.58 €13.79

EXP Synthetic Ester Blend 4T Engine Oil — 1 L (1.05 US qt), 15W-50, 4-Stroke

-€4.21

BEL-RAY EXP Synthetic Ester Blend 4T Engine Oil — 1 L (1.05 US qt),...

Combines synthetic ester performance with selected petroleum components for smoother shifting, improved film strength and prolonged wet clutch life. Ideal for recreational and performance scooters and on- and off-road machines.

€9.58 €13.79

EXP Synthetic Ester Blend 4T Engine Oil — 15W-50, 4 L (1.05 US gal)

-€12.81

BEL-RAY EXP Synthetic Ester Blend 4T Engine Oil — 15W-50, 4 L (1.05 US...

Semi-synthetic 4T engine oil blending synthetic ester for improved film strength, smoother shifting and extended wet clutch life.

€35.94 €48.75

-€4.23

BEL-RAY Thumper® Racing Synthetic Ester Blend 4T Engine Oil — 15W-50, 1 L

High-performance ester-based 4T engine oil formulated for single-cylinder off-road and racing motorcycles and ATVs; delivers anti-wear protection, smoother shifting, and consistent clutch performance.

€9.56 €13.79

Thumper® Racing Synthetic Ester Blend 4T Engine Oil — 4 L (1.05 US gal.), 15W-50

-€12.27

BEL-RAY Thumper® Racing Synthetic Ester Blend 4T Engine Oil — 4 L...

Ester-based synthetic blend for single-cylinder off-road and racing motorcycles and ATVs. Provides superior anti-wear protection, smoother shifting and consistent clutch performance under extreme conditions.

€33.72 €45.99

EXL Mineral 4T Engine Oil — 208 liter (55 US gal.), 20W-50, API SM, JASO MA2

-€430.44

BEL-RAY EXL Mineral 4T Engine Oil — 208 liter (55 US gal.), 20W-50,...

Premium 4T engine oil with superior anti-wear protection, corrosion inhibitors, antioxidants, reduced evaporation loss, and strong wet clutch performance. Recommended change intervals for MX and dual-sport use.

€1,216.48 €1,646.92

Synthetic Ester Blend Engine Oil — 10W-40, 208 L (55 US gal.), 4-stroke, JASO MA2

-€513.67

BEL-RAY Synthetic Ester Blend Engine Oil — 10W-40, 208 L (55 US gal.),...

High-performance synthetic ester blend for 4-stroke motorcycles.

Shear-resistant VI improvers
Resists viscosity breakdown
Suitable for air- and liquid-cooled engines and wet clutches

€1,451.68 €1,965.35

Synthetic Ester Blend Engine Oil — 10W-40, 60 L (15.9 US gal.), JASO MA2, API SN

-€163.33

BEL-RAY Synthetic Ester Blend Engine Oil — 10W-40, 60 L (15.9 US...

High-performance synthetic ester blend engine oil for 4-stroke motorcycles; resists viscosity breakdown and protects wet clutches.

€461.63 €624.96

V-Twin Mineral 4-Stroke Engine Oil — 1 L (1.05 US qt), 20W-50, JASO MA2

-€2.88

BEL-RAY V-Twin Mineral 4-Stroke Engine Oil — 1 L (1.05 US qt), 20W-50,...

Mineral motorcycle oil formulated for V-Twin engines; usable in engine, primary and transmission. Exceeds OEM specifications and reduces evaporation loss. Ideal for riders who change oil every 2,500–3,000 miles; compatible with EVO, Twin Cam and M8 engines.

€7.23 €10.11

-€3.29

BEL-RAY V-Twin Semi-Synthetic 4-Stroke Engine Oil — 1 L, 20W-50

Synthetic ester blend that improves film strength and oxidation resistance while maintaining stable viscosity across a wide temperature range. Suited for riders who change oil every 5,000 miles; recommended for Twin Cam & M8 engines.

€8.66 €11.95

-€5.64

BEL-RAY V-Twin Synthetic 4-Stroke Engine Oil — 1 L (1.05 US qt), 10W-50

High-performance full-synthetic 4-stroke engine oil engineered for extended drain intervals and superior protection. Recommended for Twin Cam & M8 engines.

€13.67 €19.31

-€355.43

BEL-RAY Shop Mineral 4T Engine Oil — 208 L (55 US gal), 10W-40, JASO MA2

All‑season mineral 4‑stroke engine oil that controls deposits and reduces oil consumption.

€1,004.45 €1,359.88

-€4.79

BEL-RAY Thumper® Racing Synthetic Ester 4T Engine Oil — 1 L, 10W-60

Synthetic ester 4T engine oil for single-cylinder offroad motorcycles and ATVs; maximizes horsepower and protects engine components.

€12.68 €17.47

EXS Synthetic Ester 4T Engine Oil — 10W-40, 1 L (1.05 US qt), JASO MA2

-€5.28

BEL-RAY EXS Synthetic Ester 4T Engine Oil — 10W-40, 1 L (1.05 US qt),...

100% synthetic ester base oil with superior film strength, exceptional shear stability and extreme-pressure additives; lowers friction and supports extended drain intervals for performance machines.

€13.11 €18.39

EXS Synthetic Ester 4T Engine Oil — 4 L (1.05 US gal.), 10W-40, 4-stroke, Ester (synthetic)

-€17.33

BEL-RAY EXS Synthetic Ester 4T Engine Oil — 4 L (1.05 US gal.),...

100% synthetic engine oil with superior film strength, exceptional shear stability, and extreme pressure protection for smoother shifting and reduced operating temperatures.

€48.90 €66.23

SAE 50 Classic Motor Oil for Harley Davidson — 4 L

-€11.07

LIQUI MOLY SAE 50 Classic Motor Oil for Harley Davidson — 4 L

High-performance motor oil formulated for four-stroke motorcycles, offering excellent film strength and protection under extreme conditions.

€32.11 €43.18

-€14.31

LIQUI MOLY 4T 10W-40 Street Engine Oil — 4 L

Engine oil for 4-stroke motorcycles. Use undiluted. Safe with catalytic converters and suitable for wet clutches. Low oil consumption.

€41.56 €55.87

-€3.21

LIQUI MOLY 4T 20W-50 Street Engine Oil — 1 L

For air and water-cooled four-stroke engines.
Suitable with or without a wet clutch.
Excellent dispersion properties and low oil consumption.
Use on its own; follow engine manufacturer instructions.

€9.39 €12.60

4T 10W-50 Street Engine Oil — 1 L, 10W-50, Full-synthetic

-€4.39

LIQUI MOLY 4T 10W-50 Street Engine Oil — 1 L, 10W-50, Full-synthetic

High-performance engine oil for air- and water-cooled four-stroke engines; excellent dispersion, low oil consumption, and suitable for wet clutches. Follow manufacturer instructions.

€12.74 €17.13

4T 10W-40 Street Engine Oil — 1 L, JASO MA2

-€3.98

LIQUI MOLY 4T 10W-40 Street Engine Oil — 1 L, JASO MA2

High-performance 4-stroke engine oil for motorcycles. Compatible with wet clutches. Safe for catalytic converters. Low oil consumption.

€11.56 €15.54

-€4.30

LIQUI MOLY 4T 10W-60 Street Race Engine Oil — 1 L, JASO MA2

High-performance engine oil for sporting use; low oil consumption; follow manufacturer instructions; use undiluted.

€12.50 €16.80

4T Synthetic Street Race Motor Oil — 20 L, 10W-60

-€71.07

LIQUI MOLY 4T Synthetic Street Race Motor Oil — 20 L, 10W-60

Fully synthetic high-performance motor oil that ensures maximum engine protection and cleanliness across varied riding conditions. Suitable for air- and water-cooled 4-stroke engines and for use with or without a wet clutch.

€206.59 €277.66

-€52.90

LIQUI MOLY 4T 20W-50 Street Engine Oil — 20 L (5.3 US gal.), 20W-50

Reliable engine oil for street motorcycles. Developed for air- and water-cooled 4-stroke engines. Suitable with or without a wet clutch. Excellent dispersion and low oil consumption.

€153.86 €206.76

Showing 1-30 of 134 item(s)

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