MAINTENANCE (2)

Subcategories

Engine Oil
Primary Oil
Transmission Oil
Oil Filters
Brake Pads
Brake Fluid
Additives
Fork & Shocks Oil
Spark Plugs
Polish & Detailing
Chemical Products
Air Filters
Fuel Filters
Brake cleaner &...
Accesories
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.

Spark Plugs — Thread 10 mm, Reach 19.1 mm (3/4"), Hex 16 mm (5/8"), CR9E

DRAG SPECIALTIES Spark Plugs — Thread 10 mm, Reach 19.1 mm (3/4"), Hex 16 mm...

Distinctive black ceramic body, 95% alumina insulator with multi-rib design, nickel-plated housing, multi-layer gaskets, and copper-core electrode for long life.

€5.67

Iridium Spark Plugs — CR9EIX, 11.1 mm reach, 10 mm thread, heat range 6

DRAG SPECIALTIES Iridium Spark Plugs — CR9EIX, 11.1 mm reach, 10 mm thread,...

High-performance iridium plugs deliver a hotter spark and longer service life. Distinctive black ceramic insulator with red lettering and a corrosion-protected shell.

€14.92

Champion Spark Plugs — Thread reach 19 mm (3/4"), Thread size 10 mm, Spark gap 0.8 mm (0.031"), Resistor type

CHAMPION Champion Spark Plugs — Thread reach 19 mm (3/4"), Thread size...

Reliable motorcycle spark plugs with copper-core electrode, fine-wire ignitable electrodes, reduced fouling, and SAC-9 resistor for EMI/RFI suppression.

€1.71

KURYAKYN Spark Plug Head Bolt Cover — Chrome, Silver

Stepped and slotted design complements the engine; faceted edges reflect light. Easy to install for a clean, finished look.

€68.52

KURYAKYN Spark Plug Head Bolt Cover — Black gloss, pair

Stepped and slotted spark plug head bolt cover that installs easily for a refined engine finish.

€68.52

E3 Resistor Spark Plug — Thread Reach 19.1 mm (3/4 in), Thread Size 10 mm, Hex 16 mm (5/8 in), Heat Range 8

POWERMADD E3 Resistor Spark Plug — Thread Reach 19.1 mm (3/4 in), Thread...

Diamond Fire electrode design for faster, more complete combustion and improved engine performance.

€7.82

Copper Plus™ Spark Plug — 14 mm thread, 19.1 mm reach, heat range 8, RA8HC

CHAMPION Copper Plus™ Spark Plug — 14 mm thread, 19.1 mm reach, heat...

Copper-core center electrode for precise heat control, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ shell for rust prevention; made in the USA.

€67.46

Copper Plus™ Spark Plug — Thread 14 mm, Reach 19.1 mm (3/4"), Hex 17.5 mm (11/16"), Heat 12, 24-Pack

CHAMPION Copper Plus™ Spark Plug — Thread 14 mm, Reach 19.1 mm (3/4"),...

Copper Plus™ spark plug with copper core for controlled heat range, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ coated shell, made in USA.

€51.99

DENSO Sparkplug — XU24EPR-U

Reliable spark plug with improved head dissipation, standard U-groove and heat-resistant nickel jacket.

€3.53

CHAMPION S-Plug —

Reliable spark plug designed for improved performance, fuel economy and durability.

€5.65

Champion Spark Plugs — Resistor type, projected center electrode, platinum tip

CHAMPION Champion Spark Plugs — Resistor type, projected center...

Reliable motorcycle spark plugs with a copper core center electrode, fine-wire electrodes, reduced fouling, and SAC-9 resistor for EMI/RFI suppression.

€2.48

DRAG SPECIALTIES Spark Plugs — E18-6759SDS, Pair

High-performance plugs with a black ceramic body, 95% pure alumina insulator, multi-rib design to prevent flashover, nickel-plated housing, multilayer gaskets, and a copper core electrode for long life.

€15.97

PARTS UNLIMITED Spark Plug Caddy — 14 mm, Black

Holds two ignition units securely for organized, protected storage.

€3.33

Spark Plug — 14 mm thread, 11.1 mm reach, 0.7 mm gap, heat range 6

NGK SPARK PLUGS Spark Plug — 14 mm thread, 11.1 mm reach, 0.7 mm gap, heat...

High-durability spark plug with trivalent metal plating, alumina silicate insulator, triple seals, corrugated ribs, and copper core for efficient heat removal.

€2.65

Iridium IX Spark Plug — 19.1 mm (3/4") reach, 14 mm thread, 1.1 mm gap

NGK SPARK PLUGS Iridium IX Spark Plug — 19.1 mm (3/4") reach, 14 mm thread,...

High-performance iridium spark plug with an ultra-small center electrode to reduce voltage requirements and extend ignition-system life.

€11.24

Spark Plug — 19.1 mm reach, 14 mm thread, 20.6 mm hex, 1.1 mm gap, heat range 5

NGK SPARK PLUGS Spark Plug — 19.1 mm reach, 14 mm thread, 20.6 mm hex, 1.1 mm...

Trivalent plating, alumina silicate insulator, triple seals, corrugated ribs and copper core for reliable ignition.

€2.66

Iridium IX Spark Plug — BPR6EIX-11, 14 mm thread, 19.1 mm reach, 1.1 mm gap

NGK SPARK PLUGS Iridium IX Spark Plug — BPR6EIX-11, 14 mm thread, 19.1 mm...

Ultimate evolution in spark plug performance with an ultra-small iridium electrode that reduces voltage requirement and extends ignition system life.

€11.40

Spark Plug — Thread reach 12.7 mm, Thread size 14 mm, Spark gap 1.1 mm

NGK SPARK PLUGS Spark Plug — Thread reach 12.7 mm, Thread size 14 mm, Spark...

Reliable spark plug with superior corrosion resistance, a strong ceramic insulator, triple seals and a copper core for improved heat control.

€2.55

Iridium IX Spark Plug — 14 mm thread, 12.7 mm reach (1/2 in), 0.8 mm gap (0.031 in), heat range 6, BPR6HIX

NGK SPARK PLUGS Iridium IX Spark Plug — 14 mm thread, 12.7 mm reach (1/2 in),...

Industry-leading iridium performance for longer life and reliable ignition.

€11.21

Spark Plug — Thread reach 12.7 mm, Thread size 14 mm, Spark gap 0.7 mm

NGK SPARK PLUGS Spark Plug — Thread reach 12.7 mm, Thread size 14 mm, Spark...

Durable spark plug with superior corrosion resistance, enhanced ceramic insulator, and copper core for effective heat management.

€3.50

Spark Plug — BPR6HS-10, thread 14 mm, reach 20.6 mm, gap 1 mm, heat range 6

NGK SPARK PLUGS Spark Plug — BPR6HS-10, thread 14 mm, reach 20.6 mm, gap 1 mm,...

Trivalent plating, alumina silicate insulator, triple seals, corrugated ribs, and a copper core for effective heat removal.

€3.21

Iridium IX Spark Plug — CR9EIX, 10 mm thread, 19.1 mm reach, 16 mm hex, 0.8 mm gap

NGK SPARK PLUGS Iridium IX Spark Plug — CR9EIX, 10 mm thread, 19.1 mm reach,...

Premium iridium spark plug that improves ignition, extends ignition system life, and provides enhanced corrosion resistance.

€10.46

NGK SPARK PLUGS Spark Plug — DCPR7E, 12 mm thread, 19.1 mm reach, 16 mm hex, 5 kΩ

High-performance spark plug with advanced plating, a robust ceramic insulator, triple seals, corrugated ribs to prevent flashover, and a copper core for efficient heat removal.

€4.46

Iridium IX Spark Plug — 19.1 mm reach, 12 mm thread, 0.8 mm gap, 16 mm hex, Iridium tip

NGK SPARK PLUGS Iridium IX Spark Plug — 19.1 mm reach, 12 mm thread, 0.8 mm...

High-performance Iridium IX spark plug engineered for improved ignition efficiency, reduced voltage requirements, and enhanced corrosion protection.

€11.01

Spark Plug — 12 mm, 19.1 mm reach, 16 mm hex, 0.7 mm gap, heat range 8

NGK SPARK PLUGS Spark Plug — 12 mm, 19.1 mm reach, 16 mm hex, 0.7 mm gap, heat...

High-durability spark plug with superior corrosion protection, a strong ceramic insulator, triple seals, corrugated ribs, and a copper core for reliable heat dissipation.