{"product_id":"8-pack-iridium-spark-plugs-replace-oem-41-110-41-162","title":"8 Pack Iridium Spark Plugs Replace OEM# 41-110 41-162","description":"\u003cp\u003e\u003cstrong\u003eOzikutech 8 Pack Iridium Spark Plugs are direct-fit replacements designed to restore consistent ignition and reliable performance for many GM V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Chevrolet, GMC, Cadillac, Buick, Hummer, or Pontiac with an LS-series or similar V8 is showing rough starts, stumble under load, or decreased throttle response, these iridium plugs offer a precision electrode and a factory-equivalent gap to bring combustion back to specification. Each set contains eight plugs pre-gapped to 0.04\" (1.0 mm) for straightforward installation into compatible 4.8L–8.1L engines across commonly owned model years.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines do these plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThese spark plugs target a broad range of GM platforms and years with LS-family and related V8 engines. Compatibility covers light trucks, SUVs, performance cars, and vans—check fitment against your vehicle’s year, model, and engine displacement before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Silverado, Tahoe, Suburban, Corvette, Camaro, Avalanche, Express, Impala, Colorado and more (1997–2018 ranges noted).\u003c\/li\u003e\n  \u003cli\u003eGMC: Sierra, Yukon, Savana, Canyon, Envoy and HD variants (2000–2018 ranges noted).\u003c\/li\u003e\n  \u003cli\u003eOther makes: Cadillac Escalade models, Buick Rainier\/LaCrosse, Hummer H2\/H3, Pontiac GTO\/Firebird\/Grand Prix and others.\u003c\/li\u003e\n  \u003cli\u003eOEM cross-reference numbers included for verification (41-110, 41-162, 41-985, 9602, 19417055, 12621258, 12680072).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these iridium plugs affect engine performance and reliability?\u003c\/h3\u003e\n\u003cp\u003eIridium alloys provide a finer, stronger electrode that promotes a more focused spark and longer service life than conventional copper plugs. They help restore efficient combustion, which supports smoother idle, more consistent throttle response, and easier cold starts when compared to worn stock plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.04\" (1.0 mm) pre-gap for accurate ignition timing at install.\u003c\/li\u003e\n  \u003cli\u003eDurable iridium center electrode resists wear and erosion.\u003c\/li\u003e\n  \u003cli\u003eImproved spark concentration can aid fuel burn efficiency and drivability.\u003c\/li\u003e\n  \u003cli\u003eSold in an eight-pack to replace all cylinders in V8 engines at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine work: remove coils or wires, back out old plugs, install the new iridium plugs to torque specs, and reassemble. Use the vehicle manufacturer’s torque setting and anti-seize recommendations only if specified—over-torquing can damage threads in aluminum heads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-gapped to 0.04\"; verify gap before installation if desired.\u003c\/li\u003e\n  \u003cli\u003eTighten to the OEM torque spec for your engine head material.\u003c\/li\u003e\n  \u003cli\u003eReplace all eight plugs at once for balanced combustion and consistent performance.\u003c\/li\u003e\n  \u003cli\u003eConsider using a torque wrench and proper spark plug socket for correct seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm these are the right replacement part numbers?\u003c\/h3\u003e\n\u003cp\u003eCross-reference the OEM numbers listed on your vehicle’s service information or on the old spark plugs. The Ozikutech set is manufactured to match multiple GM reference numbers, but confirming fitment by year, engine code, and OEM part number avoids misorders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded OEM cross-reference: 41-110, 41-162, 41-985, 9602, 41-962, 19417055, 12621258, 12680072.\u003c\/li\u003e\n  \u003cli\u003eCompare with your owner’s manual or the markings on removed plugs.\u003c\/li\u003e\n  \u003cli\u003eWhen in doubt, consult a parts department with your VIN for precise fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Owners and mechanics servicing GM V8 vehicles who need a complete eight-cylinder spark plug replacement with iridium durability and factory-equivalent gap. Ideal for drivers restoring performance after high mileage or preparing a truck, SUV, or performance car for reliable daily use or towing. These plugs suit anyone wanting an OEM-replacement style upgrade without changing ignition system components.\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 plug gaps pre-set for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — each plug is pre-gapped to 0.04\" (1.0 mm); verify gap before final installation if preferred.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this set fit my Silverado 5.3L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This eight-pack covers many Silverado 4.8L–6.2L models; confirm your model year and engine size against the compatibility list.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ozikutech","offers":[{"title":"Default Title","offer_id":48087412342942,"sku":"B0DK76KCDD","price":39.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ozikutech-front-packaging_6d03999f-3698-4708-b4fd-3987f714b0cd.jpg?v=1785923741","url":"https:\/\/northtrailauto.ca\/products\/8-pack-iridium-spark-plugs-replace-oem-41-110-41-162","provider":"North Trail Auto","version":"1.0","type":"link"}