Champion Spark Plug 509 Spark Plug

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• Bosch M8AC0
• Champion Spark Plug RD9
• Champion Spark Plug UK10
• Champion Spark Plug D10
• Champion Spark Plug D9J
• Champion Spark Plug D9
• Autolite 373
• Autolite 374
• Autolite 2696
• Autolite 2773
• Champion Spark Plug K9
• ACDelco S83F
• ACDelco C82
• ACDelco C83
• Motorcraft B3X
• Motorcraft B4X
• Motorcraft B3W
• Motorcraft BT4
• Motorcraft BT3
• Autolite 2772
• Champion Spark Plug K7
• Champion Spark Plug K8G
• ACDelco S82F
• ACDelco 373
• Stitt 82
• Prestolite 183
• Prestolite 184
• Beru 184A1
• DENSO 5003
• Champion Spark Plug 5COM
• Champion Spark Plug 5M
• Champion Spark Plug 5MJ
• NGK A7
• John Deere AR26544
• ACDelco CR82
• ACDelco CR83
• Champion Spark Plug D9JM
• Champion Spark Plug H17
• Champion Spark Plug H17A
• Champion Spark Plug K11
• Champion Spark Plug K8
• DENSO M22
• Bosch M225T1
• Bosch M8A
• Bosch M8A0
• DENSO MW22U
• Champion Spark Plug X5COM
• Champion Spark Plug XD9

• BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
• COPPER CORE PRECISION -- Copper core center electrode allows accurate control of heat range, delivering longer life and dependable performance
• CORROSION RESISTANCE -- Coated shell provides corrosion resistance in harsh environments
• DEPENDABLE STARTS -- Engineered for reliable ignition in all weather conditions
• EASY TO INSTALL -- Pre-gapped design simplifies installation
• OE-QUALITY FIT -- Built to meet OE fit, form and function for dependable performance
• OE-REPLACEMENT FOR SMALL ENGINES -- Delivers reliable starts and consistent ignition performance in lawn, garden, and other small€‘engine equipment
• Champion© Copper Plus© small engine spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your small engine with spark plugs engineered to improve efficiency and keep your equipment running at its best.