{"product_id":"inboard-marine-ignition-coil-replacement-for-thund","title":"Inboard Marine Ignition Coil Replacement For Thunderbolt IV And V HEI Systems Delivers Reliable Spark Easy Install And Better Start Power To Stop Hard Starts And Hot Runs Replaces 18-5438 392-805570A2 392-7803A4 392-805570A1 72115 40511","description":"\u003cdiv\u003eInboard Ignition Coil Replacement for Thunderbolt IV \u0026amp; V HEI\u003cbr\u003e\n✔️ Direct OEM-like ignition coil, replaces multiple numbers, easy install \u003cp\u003eInboard marine ignition coil replacement designed for MerCruiser GM V6 and V8 engines with Thunderbolt IV and V HEI ignition systems. This direct-replacement coil sits beside the distributor to restore reliable spark, easy cold starts, and smooth operation on 4.3L, 5.0L, 5.7L, 6.2L, 7.4L and 8.2L petrol engines.\u003c\/p\u003e ✅ Replaces Part# 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511, 9-29701, 64570, RL5438\u003cbr\u003e\n✅ Fits Mercruiser GM V6\/V8 engines with Thunderbolt IV \u0026amp; V HEI systems\u003cbr\u003e\n✅ OEM-style replacement with factory-like fit and finish\u003cbr\u003e\n✅ 2 years or 24,000 Mile warranty included\u003cbr\u003e\n✅ Easy installation beside the distributor, saves dealer time and cost\u003cbr\u003e \u003cp\u003e💡 What is the purpose of an ignition coil replacement for Thunderbolt IV\/V systems in Mercruiser engines?\nIt helps restore reliable spark and smooth starts, especially when the original coil has weakened performance.\u003c\/p\u003e - Restores spark energy for reliable starts\n- Supports HEI Thunderbolt IV and V systems in Mercruiser engines\n- Simple DIY upgrade that saves time and money\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48570004209899,"sku":"VXB07GL4TM27","price":66.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61R3DWNZO7L.jpg?v=1779718853","url":"https:\/\/vxb.com\/products\/inboard-marine-ignition-coil-replacement-for-thund","provider":"VXB Bearings","version":"1.0","type":"link"}