{"product_id":"rps-ignition-coil-for-gm-marine-engines-mercruiser-volvo-penta-omc-3-0l-8-2l-replaces-oem","title":"RPS Ignition Coil for GM Marine Engines | MerCruiser, Volvo Penta, OMC 3.0L–8.2L Replaces OEM","description":"\u003ch2\u003eUnlock reliable spark for GM-based marine engines\u003c\/h2\u003e\n\u003cp\u003eThe RPS ignition coil is engineered to pair with a wide range of GM-based marine powerplants, from compact 3.0L models to the bigger 8.2L configurations. It offers a direct OEM replacement experience, designed to slot into MerCruiser, Volvo Penta, OMC, and Crusader installations with minimal fuss. This coil helps maintain consistent ignition quality across varied operating conditions, translating to steadier starts and smoother transitions between throttle settings.\u003c\/p\u003e\n\u003ch3\u003eWhy this coil stands out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWIDE COMPATIBILITY: Fits GM-based marine engines including 3.0L, 4.3L, 5.0L, 5.7L, 7.4L, 8.1L, and 8.2L from MerCruiser, Volvo Penta, OMC, and Crusader.\u003c\/li\u003e\n\u003cli\u003eDIRECT OEM REPLACEMENT: Engineered to meet or exceed original specs; replaces Mercury\/Quicksilver 817378T, 898253T27, Volvo 3854002\/7, OMC 986644, Crusader 7243200.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eDELCO EST SYSTEM: Specifically designed for engines using Delco Electronic Spark Timing (EST) or HEI ignition for reliable, high-voltage spark delivery.\u003c\/li\u003e\n\u003cli\u003eHEAVY-DUTY CONSTRUCTION: Brass terminal and robust windings resist corrosion, ensuring long-term durability in salty marine environments.\u003c\/li\u003e\n\u003cli\u003eEASY INSTALLATION: Standard 12V coil with bracket mounting holes for a precise fit; cross-references Sierra 18-5443 and Mallory 9-29708.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal-world use often means a simple swap in a weekend project or routine maintenance, followed by confident starts on open water. The coil’s design emphasizes durability and compatibility, offering a practical upgrade without altering your engine’s electrical system.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect on the water\u003c\/h3\u003e\n\u003cp\u003eYou may notice steadier ignition across RPM ranges, improved throttle response, and reduced risk of misfires in harsh conditions. While outcomes can vary with setup, many operators appreciate the reliability this coil aims to provide.\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 engines is this ignition coil compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits many GM-based marine engines including MerCruiser, Volvo Penta, OMC, and Crusader models from 3.0L to 8.2L.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this coil replace OEM part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is designed as a direct replacement for several OEM references like Mercury 817378T and Volvo 3854002, with Delco EST\/HEI system compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RPS","offers":[{"title":"Default Title","offer_id":42470178881621,"sku":"B0859MLQ77","price":47.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/rps-ignition-coil-brass-terminal-closeup.jpg?v=1778122182","url":"https:\/\/plentytorque.co.uk\/products\/rps-ignition-coil-for-gm-marine-engines-mercruiser-volvo-penta-omc-3-0l-8-2l-replaces-oem","provider":"PlentyTorque","version":"1.0","type":"link"}