{"product_id":"cnpapc-iridium-spark-plugs-8-piece-kit-direct-fit-oe-41-962-19299585-for-chevy-cadillac-longer-life","title":"CNPAPC Iridium Spark Plugs 8-Piece Kit — Direct-Fit OE 41-962 \/ 19299585 for Chevy \u0026 Cadillac, Longer Life","description":"\u003cp\u003e\u003cstrong\u003eCNPAPC 8-piece iridium spark plug set (OE 41-962 \/ 19299585) is a direct-fit ignition upgrade engineered to improve combustion consistency and extend service life for compatible GM V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese CNPAPC spark plugs replace the factory platinum units with a finer iridium center electrode and optimized side electrode geometry to enhance ignition reliability, fuel efficiency, and longevity. They are manufactured to match OE specifications and come in a complete eight-plug kit for vehicles that require this part number, offering plug-and-play installation with no modification.\u003c\/p\u003e\n\n\u003ch3\u003eWill these plugs fit my Chevy or Cadillac?\u003c\/h3\u003e\n\u003cp\u003eThese plugs are designed as direct replacements for specific GM applications using OE numbers 41-962 and 19299585 (also listed as 41-110, 19297035, 12192192, 12192195). Confirm your engine’s required part number in your owner’s manual or parts catalog before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models include Cadillac Escalade 2002–2006 and multiple Chevrolet Silverado\/Suburban\/Avalanche model years listed by GM fitment.\u003c\/li\u003e\n  \u003cli\u003eSold as an 8-piece kit to cover V8 cylinder banks where this OE number is specified.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit threads and reach for those GM engines—no adapters needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do iridium plugs compare to the OEM platinum plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium has a higher melting point and better oxidation resistance than platinum, allowing a finer center electrode that improves spark focus and ignition performance. This generally yields more stable starts and can help maintain optimal gap over a longer service interval.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode for improved spark precision and longer life.\u003c\/li\u003e\n  \u003cli\u003eTapered side electrodes boost charge accumulation and ignition channels.\u003c\/li\u003e\n  \u003cli\u003e\"Hot melt\" electrode seating improves thermal transfer and sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits should I expect after installing these plugs?\u003c\/h3\u003e\n\u003cp\u003eUpgrading to these iridium plugs can lead to more consistent combustion, potentially smoother idle and crisper throttle response. Many owners also report modest fuel-economy improvements due to improved ignition efficiency, plus longer intervals between spark plug replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePotential for improved throttle response and steadier idle.\u003c\/li\u003e\n  \u003cli\u003ePossible fuel savings from better ignition and charge burn.\u003c\/li\u003e\n  \u003cli\u003eExtended service life compared with standard platinum plugs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what after-sales support is provided?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with basic engine maintenance: remove old plugs, check gap if needed, and install the new set by torque specification. CNPAPC backs this product with a 12-month warranty and customer support for fitment or quality questions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play replacement—no vehicle modification required.\u003c\/li\u003e\n  \u003cli\u003eFollow OEM torque and anti-seize guidance for installation.\u003c\/li\u003e\n  \u003cli\u003e12-month warranty and seller support for issues or returns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 8-piece CNPAPC iridium spark plug set is aimed at owners and technicians maintaining GM trucks and SUVs that specify OE 41-962 \/ 19299585—especially those who want a longer-lasting ignition option than platinum plugs. It’s a practical aftermarket upgrade for daily drivers, fleet vehicles, and anyone seeking routine maintenance improvements without complex tuning.\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: Are these plugs a direct replacement for OE 41-962 \/ 19299585?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They are manufactured to replace OE numbers 41-962 and 19299585 and fit the listed GM models without modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long is the warranty on this spark plug set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: CNPAPC provides a 12-month warranty covering defects and fitment concerns for this plug set.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CNPAPC","offers":[{"title":"Default Title","offer_id":48085632843934,"sku":"B09QKKD278","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cnpapc-front-packaging-iridium-plugs.jpg?v=1785875655","url":"https:\/\/northtrailauto.ca\/products\/cnpapc-iridium-spark-plugs-8-piece-kit-direct-fit-oe-41-962-19299585-for-chevy-cadillac-longer-life","provider":"North Trail Auto","version":"1.0","type":"link"}