{"product_id":"spark-plug-insulating-silicone-grease-ignition-coil-dielectric-compound","title":"Spark Plug High-Voltage Insulating Silicone Grease – Ignition Coil Dielectric Compound","description":"\u003ch2\u003eSpark Plug High-Voltage Insulating Silicone Grease — Ignition Coil Dielectric Compound\u003c\/h2\u003e\u003cp\u003eIgnition system reliability depends on the quality of the seal between the spark plug boot and the ceramic insulator. This high-voltage insulating silicone grease — formulated for ignition coil and spark plug boot applications — prevents the three most common ignition interface failures: moisture ingress causing misfires, corona discharge (arcing) through the boot wall, and rubber boot vulcanization to the ceramic insulator that makes plug removal destructive.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-voltage dielectric silicone grease\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtreme high and low temperature resistance (engine bay rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDielectric Property\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrically insulating — rated for ignition coil output voltages\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemical Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResistant to engine oil, coolant, fuel splash, and ozone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll petrol\/gasoline engines — spark plug wire boots, coil-on-plug (COP) boots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eThree Problems This Grease Solves\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture-induced misfires:\u003c\/strong\u003e Water in the spark plug boot creates a conductive path that bleeds ignition energy to ground instead of the plug gap. The silicone grease seal eliminates this water ingress pathway entirely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorona discharge \/ arcing:\u003c\/strong\u003e High-voltage ignition energy can arc through a dry or cracked boot wall. The dielectric grease fills micro-voids in the boot-to-insulator interface, eliminating the air gaps where arcing initiates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoot bonding to ceramic:\u003c\/strong\u003e Over time, rubber boots vulcanize to the ceramic insulator under heat cycling. Removing a bonded boot often cracks the insulator or tears the boot. The silicone barrier prevents this bonding entirely.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication Instructions\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eClean the spark plug ceramic insulator and boot interior with a dry, lint-free cloth\u003c\/li\u003e\n\u003cli\u003eApply a thin, even coat (approximately 0.5 mm) to the inside of the spark plug boot\u003c\/li\u003e\n\u003cli\u003eApply a thin coat to the ceramic insulator of the spark plug\u003c\/li\u003e\n\u003cli\u003eInstall the plug and press the boot firmly until fully seated\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDo not apply to plug threads, electrode, or gap\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this the same product as the other spark plug grease listing?\u003c\/strong\u003e\u003cbr\u003eA: Both listings offer high-voltage dielectric silicone grease for the same application. This listing may differ in quantity or packaging — select the pack size that matches your service requirement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this on diesel glow plug connections?\u003c\/strong\u003e\u003cbr\u003eA: This grease is formulated for high-voltage ignition applications. For diesel glow plug electrical connections, a standard dielectric grease or copper-based anti-seize compound is more appropriate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How often should I reapply this grease?\u003c\/strong\u003e\u003cbr\u003eA: Apply at every spark plug replacement interval. The grease does not degrade significantly between plug changes under normal operating conditions.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× High-voltage insulating silicone grease for spark plug and ignition coil applications (quantity\/size as selected)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eOne application at installation — three ignition problems permanently solved.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"1pc","offer_id":47854422032629,"sku":"14:193#1pc","price":9.6,"currency_code":"USD","in_stock":true},{"title":"2pcs","offer_id":47854422065397,"sku":"14:29#2pcs","price":15.45,"currency_code":"USD","in_stock":true},{"title":"3pcs","offer_id":47854422098165,"sku":"14:691#3pcs","price":21.15,"currency_code":"USD","in_stock":true},{"title":"4pcs","offer_id":47854421967093,"sku":"14:10#4pcs","price":26.85,"currency_code":"USD","in_stock":true},{"title":"5pcs","offer_id":47854421999861,"sku":"14:350852#5pcs","price":32.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S6546896cf11b4929b44ff43f100b27e6h.webp?v=1773976552","url":"https:\/\/www.csldmcml.com\/products\/spark-plug-insulating-silicone-grease-ignition-coil-dielectric-compound","provider":"Cable Parts Online","version":"1.0","type":"link"}