{"product_id":"champion-copper-marine-spark-plug-828m-ql77jc4-pack-of-6","title":"Champion Copper Marine Spark Plug 828M QL77JC4 – Pack of 6","description":"\u003ch2\u003ePremium Replacement Spark Plugs for Marine Use\u003c\/h2\u003e\n\u003cp\u003eMeet the Champion Copper Marine Spark Plug 828M QL77JC4, a six-pack crafted for dependable ignition on compatible marine engines. Built to endure salty spray, vibration, and temperature shifts, these plugs deliver robust construction and consistent performance. Bulk packed for easy stocking, they’re ready when you need quick, reliable swaps on your boat.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSix spark plugs with genuine OEM designation QL77JC4-6PK\u003c\/li\u003e\n\u003cli\u003eSpecifications: 14 mm thread, 12.7 mm reach, flat seat, 21 mm hex, non-projected tip, standard type, solid terminal\u003c\/li\u003e\n\u003cli\u003eNew, bulk packed for convenient maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Champion replacement part for marine engines\u003c\/li\u003e\n\u003cli\u003eThread: 14 mm; Reach: 12.7 mm; Seat: flat; Hex: 21 mm\u003c\/li\u003e\n\u003cli\u003eTip configuration: non-projected; Type: standard; Terminal: solid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\n\u003cp\u003eIn saltwater environments and under engine vibration, reliable ignition and steady combustion are valuable. These plugs can contribute to crisp throttle response and steady idle, making boat journeys smoother across varying conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeekend fishing boats needing dependable starts\u003c\/li\u003e\n\u003cli\u003eDaily-tow or sailboats seeking predictable ignition\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance to minimize downtime and ensure readiness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eAlways verify part number and compatibility with your engine manual. When installing, follow recommended torque and seating practices to ensure proper engagement and a tight seal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm compatibility with your model using the QL77JC4-6PK part number\u003c\/li\u003e\n\u003cli\u003eRefer to the owners manual for torque and seating guidance\u003c\/li\u003e\n\u003cli\u003eInspect nearby ignition components for wear and replace as needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality assurance\u003c\/h3\u003e\n\u003cp\u003eThis six-pack is a genuine OEM replacement part from Champion, designed to meet the brand’s standards for marine performance and reliability.\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: What’s included in this six-pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Six Champion 828M QL77JC4 spark plugs, 14mm thread, 12.7mm reach, flat-seat, standard solid terminals, bulk-packed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I verify compatibility for my engine model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check the owner's manual or compatibility list to confirm part number QL77JC4-6PK matches your engine.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Champion828M QL77JC4","offers":[{"title":"Default Title","offer_id":42468384964693,"sku":"B07PHH3V4S","price":39.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/champion-copper-marine-spark-plug-828m-ql77jc4-6pk-outer-pack.jpg?v=1778071648","url":"https:\/\/plentytorque.co.uk\/products\/champion-copper-marine-spark-plug-828m-ql77jc4-pack-of-6","provider":"PlentyTorque","version":"1.0","type":"link"}