{"product_id":"npauto-ignition-coil-pack-set-of-6-for-2002-2006-chevy-gmc-v6-uf-303-c1395-oe-fit-gaskets-included","title":"NPAUTO Ignition Coil Pack Set of 6 for 2002–2006 Chevy\/GMC V6 (UF-303\/C1395) — OE Fit, Gaskets Included","description":"\u003cp\u003e\u003cstrong\u003eNPAUTO ignition coil pack set of 6 replaces factory coils on compatible 2002–2006 Chevy, GMC, Isuzu and related models to restore spark performance and help eliminate misfires.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle shows signs of rough idle, reduced power, or inconsistent fuel economy, worn ignition coils are a common cause. This NPAUTO set contains six coil packs built to match OE fitment for specific V6 engines used in Trailblazer, Colorado, Envoy, Ascender, Bravada and similar models. Each coil comes with a gasket and uses tested materials for reliable electrical performance and longer service life when installed correctly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat models and engines will these NPAUTO coils fit?\u003c\/h3\u003e\n\u003cp\u003eThese coils are designed for several GM- and Isuzu-based vehicles from the 2002–2006 model years that use the specific UF-303\/C1395 style coil. Always cross-check your vehicle’s part numbers and engine configuration before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits: Chevy Trailblazer (2002–2005), Colorado (2004–2006)\u003c\/li\u003e\n  \u003cli\u003eAlso for: GMC Canyon (2004–2006), Envoy, Buick Rainier (2004–2005)\u003c\/li\u003e\n  \u003cli\u003eCompatible with: Isuzu Ascender, Oldsmobile Bravada and similar V6 engines\u003c\/li\u003e\n  \u003cli\u003eCross-references: UF303, 12570616, C1395, 12568062 and listed interchange numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will replacing all six coils affect drivability?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failing coil pack set addresses common symptoms like engine misfires, stalling, and uneven acceleration. With all six coils renewed at once you reduce the chance of recurring misfire codes and improve throttle response and steadier idling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces misfire-related check engine lights\u003c\/li\u003e\n  \u003cli\u003eImproves idle smoothness and engine responsiveness\u003c\/li\u003e\n  \u003cli\u003eHelps restore fuel economy lost to incomplete combustion\u003c\/li\u003e\n  \u003cli\u003eProvides consistent spark delivery across all cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and what should I check before installation?\u003c\/h3\u003e\n\u003cp\u003eThe set ships with six ignition coils and matching gaskets to replace the factory parts. Before installation, verify the part number against your vehicle’s compatibility chart and inspect wiring harnesses, boots, and spark plugs for wear to ensure a complete repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 6 ignition coil packs and gaskets\u003c\/li\u003e\n  \u003cli\u003ePre-install checks: confirm engine code and OEM part cross-reference\u003c\/li\u003e\n  \u003cli\u003eInspect related items: spark plugs, ignition wires (if used), and connector condition\u003c\/li\u003e\n  \u003cli\u003eTorque coil mounting bolts to manufacturer spec during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow reliable are these aftermarket coils and what testing do they undergo?\u003c\/h3\u003e\n\u003cp\u003eNPAUTO selects materials and subjects each coil design to performance checks to reproduce a dependable fit and ignition output. While aftermarket parts vary, this set is produced with internal coil insulation and housings intended to resist heat and vibration common in V6 engine bays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for OEM-style fitment and electrical characteristics\u003c\/li\u003e\n  \u003cli\u003eQuality-tested internal components and housings\u003c\/li\u003e\n  \u003cli\u003eDesigned to withstand typical operating heat and vibration\u003c\/li\u003e\n  \u003cli\u003eSold as a full six-pack to avoid uneven wear across cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This ignition coil pack set is aimed at owners and technicians working on mid-2000s GM and Isuzu V6 SUVs and trucks who need a full-coil replacement to resolve misfires or restore reliable ignition performance. It’s best for those who will replace all coils at once and who verify fitment against the vehicle compatibility list and part cross-references before purchase. If you’re troubleshooting intermittent misfires, checking connectors and plugs alongside these coils will give the most durable repair.\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 coils compatible with my 2004 Trailblazer 4.2L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit many 2002–2005 Trailblazer 4.2L models; confirm with your vehicle’s part number and the listing compatibility chart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the set include gaskets and all six coils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the package contains six ignition coils and matching gaskets for a complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NPAUTO","offers":[{"title":"Default Title","offer_id":48082813878430,"sku":"B08K43JS9D","price":108.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/npauto-front-view-coil-pack-set.jpg?v=1785815207","url":"https:\/\/northtrailauto.ca\/products\/npauto-ignition-coil-pack-set-of-6-for-2002-2006-chevy-gmc-v6-uf-303-c1395-oe-fit-gaskets-included","provider":"North Trail Auto","version":"1.0","type":"link"}