{"product_id":"husqvarna-503235401-ngk-cmr6a-resistor-spark-plug-genuine-oem-replacement-spark-plug","title":"Husqvarna 503235401 NGK CMR6A Resistor Spark Plug – Genuine OEM Replacement Spark Plug","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 503235401\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Chainsaw, Trimmer \u0026amp; Outdoor Power Equipment Ignition Parts\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e NGK CMR6A Resistor Spark Plug – Genuine OEM Replacement Spark Plug\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 503235401 NGK CMR6A Resistor Spark Plug\u003c\/strong\u003e is a genuine OEM replacement ignition component designed for select \u003cstrong\u003eHusqvarna chainsaws, string trimmers, brushcutters, hedge trimmers, blowers, and other gas-powered outdoor equipment\u003c\/strong\u003e. Installed in the engine cylinder head, the spark plug produces the electrical spark required to ignite the compressed air-fuel mixture during starting and normal engine operation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 503235401\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Husqvarna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark Plug Manufacturer:\u003c\/strong\u003e NGK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark Plug Model:\u003c\/strong\u003e CMR6A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Spark Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Engine Ignition \/ Tune-Up Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug Type:\u003c\/strong\u003e Resistor Spark Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK Heat Range:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e 10 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e 1.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Specification:\u003c\/strong\u003e M10 x 1.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach:\u003c\/strong\u003e 12.7 mm (1\/2\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Size:\u003c\/strong\u003e 16 mm (5\/8\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Ignites the Compressed Air-Fuel Mixture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Engine Ignition \/ Combustion System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chainsaw \/ Trimmer \/ Brushcutter \/ Hedge Trimmer \/ Blower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e Husqvarna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Type:\u003c\/strong\u003e Direct OEM Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Status:\u003c\/strong\u003e Genuine Husqvarna OEM Part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Spark Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number Reference:\u003c\/strong\u003e 503235401\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Husqvarna OEM replacement spark plug\u003c\/li\u003e\n\u003cli\u003eFactory-specified \u003cstrong\u003eNGK CMR6A\u003c\/strong\u003e configuration\u003c\/li\u003e\n\u003cli\u003eResistor-type spark plug design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM10 x 1.0\u003c\/strong\u003e thread specification\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Husqvarna gas-powered engines\u003c\/li\u003e\n\u003cli\u003eProduces the electrical spark required for combustion\u003c\/li\u003e\n\u003cli\u003eHelps support reliable cold and warm engine starting\u003c\/li\u003e\n\u003cli\u003eSupports smooth idle and consistent engine operation\u003c\/li\u003e\n\u003cli\u003eHelps maintain efficient combustion when properly serviced\u003c\/li\u003e\n\u003cli\u003eSuitable for routine engine tune-ups and preventive maintenance\u003c\/li\u003e\n\u003cli\u003eManufactured to meet the applicable original equipment requirements\u003c\/li\u003e\n\u003cli\u003eCompact configuration suitable for many small two-stroke engines\u003c\/li\u003e\n\u003cli\u003eHelps restore ignition performance when replacing a worn or fouled plug\u003c\/li\u003e\n\u003cli\u003eIdeal replacement for fouled, worn, carbon-coated, corroded, cracked, or damaged spark plugs\u003c\/li\u003e\n\u003cli\u003eDirect replacement for equipment requiring \u003cstrong\u003e503235401\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGenuine OEM replacement rather than an unspecified universal spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 503235401 NGK CMR6A Spark Plug\u003c\/strong\u003e is used across numerous Husqvarna gas-powered equipment platforms.\u003c\/p\u003e\n\u003cp\u003eApplications may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHusqvarna chainsaws\u003c\/li\u003e\n\u003cli\u003eHusqvarna string trimmers\u003c\/li\u003e\n\u003cli\u003eHusqvarna brushcutters\u003c\/li\u003e\n\u003cli\u003eHusqvarna clearing saws\u003c\/li\u003e\n\u003cli\u003eHusqvarna hedge trimmers\u003c\/li\u003e\n\u003cli\u003eHusqvarna handheld blowers\u003c\/li\u003e\n\u003cli\u003eHusqvarna backpack blowers\u003c\/li\u003e\n\u003cli\u003eHusqvarna pole saws\u003c\/li\u003e\n\u003cli\u003eSelect Husqvarna professional equipment\u003c\/li\u003e\n\u003cli\u003eTwo-stroke engine applications\u003c\/li\u003e\n\u003cli\u003eEngine tune-up and maintenance\u003c\/li\u003e\n\u003cli\u003eIgnition-system repair\u003c\/li\u003e\n\u003cli\u003eEquipment specifying \u003cstrong\u003eNGK CMR6A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOEM replacement applications requiring \u003cstrong\u003e503235401\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause spark plug requirements can vary by engine, model, market, and production revision, always verify the specified plug for the exact equipment before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific Husqvarna model, product number, serial number, engine configuration, and production revision before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e503235401\u003c\/strong\u003e corresponds to the \u003cstrong\u003eNGK CMR6A resistor spark plug\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003e503235401 \/ CMR6A\u003c\/strong\u003e with your equipment's illustrated parts diagram, owner's manual, or OEM service documentation.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003e“R” in CMR6A\u003c\/strong\u003e denotes a resistor-type spark plug.\u003c\/li\u003e\n\u003cli\u003eDo not confuse \u003cstrong\u003eCMR6A\u003c\/strong\u003e with \u003cstrong\u003eBPMR7A\u003c\/strong\u003e or other common Husqvarna spark plugs. They have different physical and operating specifications and should not be substituted unless specifically approved for the equipment.\u003c\/li\u003e\n\u003cli\u003eDo not select a replacement spark plug based solely on thread diameter or physical appearance. Thread pitch, reach, heat range, resistor configuration, electrode design, and engine requirements must also match.\u003c\/li\u003e\n\u003cli\u003eA worn or fouled spark plug may contribute to \u003cstrong\u003ehard starting, intermittent ignition, misfiring, poor acceleration, unstable idle, reduced power, or failure to start\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSimilar symptoms can also result from carburetor problems, stale fuel, clogged filters, damaged ignition components, air leaks, or low engine compression.\u003c\/li\u003e\n\u003cli\u003eInspect the spark plug boot, connector, ignition lead, ignition module, and cylinder-head threads when replacing the plug.\u003c\/li\u003e\n\u003cli\u003eClean dirt and debris from around the spark plug before removal to help prevent contaminants from entering the cylinder.\u003c\/li\u003e\n\u003cli\u003eAllow the engine to cool before removing or installing the spark plug.\u003c\/li\u003e\n\u003cli\u003eStart the replacement spark plug by hand whenever possible to reduce the risk of cross-threading the cylinder head.\u003c\/li\u003e\n\u003cli\u003eDo not overtighten the spark plug. Follow the torque specification specified for your exact Husqvarna equipment.\u003c\/li\u003e\n\u003cli\u003eCheck and adjust the \u003cstrong\u003eelectrode gap according to the specification for the exact equipment model\u003c\/strong\u003e rather than assuming one gap applies to every Husqvarna application using CMR6A.\u003c\/li\u003e\n\u003cli\u003eReplace a plug with cracked porcelain, damaged threads, excessive electrode wear, severe deposits, or other physical damage.\u003c\/li\u003e\n\u003cli\u003eAbnormal spark plug deposits or coloration can indicate an underlying fuel-mixture, combustion, ignition, or engine condition that should be diagnosed separately.\u003c\/li\u003e\n\u003cli\u003eThis listing is for \u003cstrong\u003eone Husqvarna 503235401 NGK CMR6A Resistor Spark Plug only\u003c\/strong\u003e unless otherwise specified. Spark plug boots, connectors, ignition leads, ignition modules, and other tune-up components are sold separately.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003epart number 503235401 \/ NGK CMR6A\u003c\/strong\u003e with your equipment's OEM documentation before ordering to ensure proper fitment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Husqvarna","offers":[{"title":"Default Title","offer_id":53731688481131,"sku":"503235401","price":11.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/husqvarnalogo_df8b45b7-e134-4d56-95bf-cf32d33023df.jpg?v=1786928965","url":"https:\/\/generalsprayers.com\/products\/husqvarna-503235401-ngk-cmr6a-resistor-spark-plug-genuine-oem-replacement-spark-plug","provider":"GeneralSprayers","version":"1.0","type":"link"}