{"product_id":"acdelco-cr43ts-spark-plug-19354425-gm-original-equipment-copper-core-corrosion-resistant","title":"ACDelco CR43TS Spark Plug (19354425) — GM Original Equipment, Copper Core \u0026 Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eACDelco CR43TS (19354425) is a GM-backed conventional spark plug built with a copper core and corrosion-resistant coatings to serve as a dependable original-equipment replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis spark plug is engineered and validated by GM engineers to meet the fit, form, and function expectations of many Chevrolet, Buick, GMC, and Cadillac applications. Built as a premium aftermarket alternative, the CR43TS combines a high-quality copper center for efficient heat transfer, protective sheathing to resist corrosion, and suppression features that help maintain consistent ignition performance under typical driving and some marine conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the CR43TS ensure reliable ignition?\u003c\/h3\u003e\n\u003cp\u003eThe CR43TS uses a copper core center electrode that promotes effective heat transfer and consistent firing characteristics across a wide range of operating temperatures. It also includes a ribbed suppressor seal and nickel-chrome sheathing to protect electrode integrity and reduce electrical leakage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper core for efficient thermal conduction and consistent spark behavior\u003c\/li\u003e\n  \u003cli\u003eRibbed suppressor seal to reduce flash-over and minimize misfire risk\u003c\/li\u003e\n  \u003cli\u003eNickel-chrome sheathing to resist center-electrode corrosion\u003c\/li\u003e\n  \u003cli\u003eBlack Onyx coating on external metal to help prevent rust and seizing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this plug fit my GM vehicle and match OE standards?\u003c\/h3\u003e\n\u003cp\u003eYes — ACDelco GM Original Equipment parts are designed or validated by General Motors to match original production specifications. The CR43TS is manufactured to meet OE tolerances for threads, reach, and heat range where listed by GM.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to GM validation standards for correct fit and operation\u003c\/li\u003e\n  \u003cli\u003eManufactured with OE-style dimensions and materials\u003c\/li\u003e\n  \u003cli\u003eListed as an appropriate replacement for compatible GM service applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use these plugs in marine engines or harsh environments?\u003c\/h3\u003e\n\u003cp\u003eThe CR43TS is offered for some marine applications and includes corrosion-resistant features that help when exposed to humid or salty conditions. While suitable for many service situations, always confirm compatibility and recommended service intervals for marine installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlack Onyx coating to reduce external corrosion on the shell\u003c\/li\u003e\n  \u003cli\u003eNickel-chrome sheathing on the center electrode for added resistance\u003c\/li\u003e\n  \u003cli\u003eRibbed seal helps preserve suppression properties even in damp environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these plugs support routine maintenance and longevity?\u003c\/h3\u003e\n\u003cp\u003eThe combination of a copper core and protective coatings offers stable heat handling and extended service life under normal maintenance schedules. Proper installation, correct torque, and timely inspection will help maintain reliable operation comparable to OE expectations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper core balances heat transfer and durability for typical service intervals\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant finishes reduce risk of seizure at removal\u003c\/li\u003e\n  \u003cli\u003eDesigned to perform with common ignition and suppression systems found in GM vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ACDelco CR43TS (19354425) is intended for drivers and technicians seeking a genuine GM-validated conventional spark plug as a direct replacement for compatible Chevrolet, Buick, GMC, or Cadillac engines, and for owners who need a plug option suitable for select marine uses. Choose this part if you want a spark plug manufactured to GM-approved specifications, with copper core heat management and corrosion-resisting features for dependable everyday service.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the CR43TS the original GM part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The CR43TS (19354425) is an ACDelco GM Original Equipment plug designed or validated by General Motors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this plug in marine engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Some CR43TS plugs are offered for marine applications; verify compatibility and corrosion protection for your specific engine.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":67593180053689,"sku":"B0FR6DTYFL","price":57.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/acdelco-cr43ts-front-packaging.jpg?v=1790572708","url":"https:\/\/redleafauto.ca\/products\/acdelco-cr43ts-spark-plug-19354425-gm-original-equipment-copper-core-corrosion-resistant","provider":"Redleaf Auto","version":"1.0","type":"link"}