{"product_id":"upgraded-4-holes-fuel-injectors-for-chevy-silverado-gmc-improved","title":"Upgraded 4 Holes Fuel Injectors for Chevy Silverado\/GMC - Improved","description":"\u003cp\u003eIn this review of the Upgraded 4 Holes Fuel Injectors, the bottom line is simple: these injectors are for owners of 2010-2014 GM trucks and SUVs with 4.8L, 5.3L or 6.0L FLEX engines who need a direct replacement set of eight injectors that aim to restore smooth idle and consistent throttle response. The reviewer found the 4-hole design promotes even fuel distribution across cylinders and that the kit, sold as a complete 8-piece set, is intended as a practical repair for vehicles showing rough idling, reduced acceleration, or inconsistent fuel economy.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fit replacement:\u003c\/strong\u003e Designed to replace OEM part numbers such as 12613411 and FJ1061, making installation straightforward for compatible GM engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-hole nozzle:\u003c\/strong\u003e The 4-hole tip aims to deliver a more even spray pattern for improved combustion and smoother idling after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e The package includes 8 fuel injectors, allowing full-bank replacement for better balance and consistent performance across all cylinders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e Fits a broad range of Chevy, GMC, Cadillac and Hummer models from 2010 to 2015 with 4.8L, 5.3L and 6.0L FLEX engines, reducing the guesswork about fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter-sales support:\u003c\/strong\u003e The brand provides professional after-sales contact by email to address failures, cracks or other problems, offering practical peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis set is aimed at DIY mechanics and independent shops working on late-model GM trucks and SUVs who prefer to replace all injectors at once to restore even performance. It is particularly suited to owners of Silverado 1500, Sierra 1500, Tahoe, Suburban, Yukon, Avalanche and Express models from the 2010-2014 era with the listed engine sizes.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for vehicles outside the stated model years or engines, for owners looking for OEM-branded parts, or for projects that require custom calibration or high-performance injectors beyond stock flow rate and spray pattern characteristics.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete 8-piece kit makes full-bank replacement easy and helps restore balanced engine performance.\u003c\/li\u003e\n\u003cli\u003e4-hole design provides a more uniform spray for smoother idle and improved throttle response.\u003c\/li\u003e\n\u003cli\u003eMatches common OEM part numbers for confident fitment across many GM models and engines.\u003c\/li\u003e\n\u003cli\u003eBrand offers after-sales support for defective units or fitment issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot an OEM-branded injector, so users seeking factory-labeled parts may prefer dealer replacements.\u003c\/li\u003e\n\u003cli\u003eFitment is limited to the specific GM model years and engine types listed, so verification is required before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAZQOP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e8 Pcs fuel injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003e4.8L, 5.3L, 6.0L FLEX engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Years\u003c\/td\u003e\n\u003ctd\u003e2010-2015 (model-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces Part Numbers\u003c\/td\u003e\n\u003ctd\u003e12613411, FJ1061, 217-3411, 67668 and others\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNozzle Type\u003c\/td\u003e\n\u003ctd\u003e4-hole spray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThese injectors are a practical, cost-conscious option for owners of the specified GM trucks and SUVs who need a full set replacement to recover smooth idling and consistent acceleration. The 4-hole design and complete 8-piece package make them a sensible choice for DIYers and independent shops; buyers who require OEM-branded parts or operate outside the listed fitment should consider alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these injectors fit a 2011 Silverado 5.3L?\u003c\/strong\u003e\u003cbr\u003eYes, the set lists compatibility with 5.3L Silverado 1500 models from 2010 to 2013 and is intended as a direct replacement for that application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many injectors are included?\u003c\/strong\u003e\u003cbr\u003eThe package includes 8 fuel injectors, allowing for complete replacement of a V8 engine bank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if an injector fails after installation?\u003c\/strong\u003e\u003cbr\u003eThe seller offers professional after-sales support via email to address failures, cracks or nonfunctioning units.\u003c\/p\u003e","brand":"AZQOP","offers":[{"title":"Default Title","offer_id":48245039333595,"sku":"B0DT6Y1FG3","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71BUgTmMIeL._AC_SL1500.jpg?v=1776285606","url":"https:\/\/gearmusthave.com\/products\/upgraded-4-holes-fuel-injectors-for-chevy-silverado-gmc-improved","provider":"GearMustHave","version":"1.0","type":"link"}