{"product_id":"ngk-cmr5h-spark-plug-replacement-gx25-gx35-trimmer-blower-edger","title":"NGK CMR5H Spark Plug for GX25 GX35 Trimmer Blower Edger","description":"\u003cp\u003eKeep your 4-stroke garden equipment running at peak performance with this \u003cstrong\u003eNGK CMR5H Replacement Spark Plug\u003c\/strong\u003e — a precise, reliable fit for Honda GX25 and GX35 motors used in trimmers, blowers, and lawn edgers. Built from a durable \u003cstrong\u003ealuminium-copper alloy\u003c\/strong\u003e construction, this plug delivers consistent ignition and dependable starts every time you need it.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003cp\u003eThis spark plug is engineered as a direct replacement for the following 4-stroke trimmers and blowers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHonda GX25 \u0026amp; GX35\u003c\/strong\u003e motors\u003c\/li\u003e\n  \u003cli\u003eULT425, UMS425, UMK425, UMK435\u003c\/li\u003e\n  \u003cli\u003eUMC425, UMC435, HHB25, HHH25\u003c\/li\u003e\n  \u003cli\u003eAtom Lawn Edgers equipped with GX25 or GX35 motors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Spark Plug?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🔧 \u003cstrong\u003eDirect OEM-style replacement\u003c\/strong\u003e — drops straight in, no modifications needed\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eConsistent ignition\u003c\/strong\u003e — aluminium-copper alloy construction for reliable sparking\u003c\/li\u003e\n  \u003cli\u003e🌿 \u003cstrong\u003eBroad compatibility\u003c\/strong\u003e — fits a wide range of popular 4-stroke outdoor power equipment\u003c\/li\u003e\n  \u003cli\u003e💡 \u003cstrong\u003eEasy maintenance\u003c\/strong\u003e — a simple swap that restores engine performance quickly\u003c\/li\u003e\n  \u003cli\u003e💰 \u003cstrong\u003eExcellent value\u003c\/strong\u003e — professional-grade performance at an everyday price\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e NGK CMR5H Replacement Spark Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminium-Copper Alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 4-Stroke Trimmers \u0026amp; Blowers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Spark Plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on small engine maintenance best practices, visit the U.S. Consumer Product Safety Commission – Lawn \u0026amp; Garden Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which engines and machines is the CMR5H spark plug compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The NGK CMR5H spark plug is designed as a direct replacement for Honda GX25 and GX35 motors, and is also compatible with ULT425, UMS425, UMK425, UMK435, UMC425, UMC435, HHB25, and HHH25 models. It also fits Atom Lawn Edgers powered by GX25 or GX35 motors — making it a versatile choice for a wide range of 4-stroke trimmers, blowers, and edgers.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the CMR5H replacement spark plug made from?\u003c\/h4\u003e\n\u003cp\u003eA: This spark plug is constructed from an aluminium-copper alloy, chosen for its excellent thermal conductivity and durability, ensuring consistent ignition performance over repeated use in 4-stroke outdoor power equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know when my spark plug needs replacing?\u003c\/h4\u003e\n\u003cp\u003eA: Common signs that a spark plug needs replacing include difficulty starting the engine, rough idling, reduced power output, or increased fuel consumption. Routine replacement as part of scheduled maintenance — typically each season — helps keep your trimmer, blower, or edger running smoothly.\u003c\/p\u003e\n\u003ch4\u003eQ: How many spark plugs are included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each package includes 1 × NGK CMR5H replacement spark plug. If you maintain multiple machines, consider purchasing additional units to have a spare on hand for quick, easy servicing.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which engines and machines is the CMR5H spark plug compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The NGK CMR5H spark plug is designed as a direct replacement for Honda GX25 and GX35 motors, and is also compatible with ULT425, UMS425, UMK425, UMK435, UMC425, UMC435, HHB25, and HHH25 models. 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