{"product_id":"sierra-18-5312-1-marine-distributor-ford-351-v8","title":"Sierra 18-5312-1 Marine Distributor – Ford 351 V8","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/sierra-marine-engine-and-drive-parts-vector-logo.png?v=1777654573\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1xajcyo\" data-start=\"0\" data-end=\"54\"\u003eSierra 18-5312-1 Marine Distributor – Ford 351 V8\u003c\/h2\u003e\n\u003cp data-start=\"57\" data-end=\"350\"\u003eBring your ignition system back to life with the Sierra 18-5312-1 Distributor for Ford 351 V8 marine engines. Designed as a complete replacement for worn or outdated units, this distributor delivers accurate timing and consistent spark—helping eliminate hard starts, misfires, and uneven idle.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"714\"\u003eBuilt for marine use, it’s engineered to handle the heat, vibration, and moisture found in engine compartments while maintaining dependable performance over time. The electronic ignition design provides smooth, reliable spark delivery without the maintenance associated with older points-style systems, making it a solid upgrade for many classic inboard engines.\u003c\/p\u003e\n\u003cp data-start=\"716\" data-end=\"901\"\u003eThis distributor is designed for Ford 351 Windsor-based marine engines commonly used by PCM and Indmar, making it a popular choice for restoring performance on older ski and wake boats.\u003c\/p\u003e\n\u003chr data-start=\"903\" data-end=\"906\"\u003e\n\u003ch3 data-section-id=\"1a75pb5\" data-start=\"908\" data-end=\"943\"\u003eCommon Engine \u0026amp; Boat Fitments\u003c\/h3\u003e\n\u003cp data-start=\"944\" data-end=\"1066\"\u003eCompatible with Ford 351 V8 marine engines found in many inboard boats from the late 1980s through early 2000s, including:\u003c\/p\u003e\n\u003cul data-start=\"1068\" data-end=\"1423\"\u003e\n\u003cli data-section-id=\"1x02fex\" data-start=\"1068\" data-end=\"1117\"\u003eSupra Sunsport, Supra Comp, and Supra Saltare\u003c\/li\u003e\n\u003cli data-section-id=\"1625hb\" data-start=\"1118\" data-end=\"1164\"\u003eSupra Mariah and early Supra Launch models\u003c\/li\u003e\n\u003cli data-section-id=\"k0z0w\" data-start=\"1165\" data-end=\"1221\"\u003eMoomba Outback, Moomba Mobius, and Moomba Outback LS\u003c\/li\u003e\n\u003cli data-section-id=\"u691ew\" data-start=\"1222\" data-end=\"1285\"\u003eCorrect Craft Ski Nautique and Sport Nautique (PCM-powered)\u003c\/li\u003e\n\u003cli data-section-id=\"4acv51\" data-start=\"1286\" data-end=\"1351\"\u003eMasterCraft ProStar 190 and ProStar 205 with Ford 351 engines\u003c\/li\u003e\n\u003cli data-section-id=\"vbcsmq\" data-start=\"1352\" data-end=\"1423\"\u003eMalibu Sunsetter and Malibu Response (Ford PCM\/Indmar applications)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1425\" data-end=\"1586\"\u003eThese engines were widely used across direct drive and V-drive configurations, making this distributor a common replacement part for many classic inboard setups.\u003c\/p\u003e\n\u003cp data-start=\"1588\" data-end=\"1769\"\u003eFitment can vary based on ignition type and engine configuration, so confirming compatibility with part number \u003cstrong data-start=\"1699\" data-end=\"1712\"\u003e18-5312-1\u003c\/strong\u003e and your specific engine is recommended before ordering.\u003c\/p\u003e\n\u003chr data-start=\"1771\" data-end=\"1774\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1776\" data-end=\"1792\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1793\" data-end=\"2098\"\u003e\n\u003cli data-section-id=\"1d16je4\" data-start=\"1793\" data-end=\"1857\"\u003eComplete marine distributor assembly for Ford 351 V8 engines\u003c\/li\u003e\n\u003cli data-section-id=\"tcyq5n\" data-start=\"1858\" data-end=\"1929\"\u003eElectronic ignition design for improved reliability and performance\u003c\/li\u003e\n\u003cli data-section-id=\"1j8a3xh\" data-start=\"1930\" data-end=\"1986\"\u003eRestores proper timing and consistent spark delivery\u003c\/li\u003e\n\u003cli data-section-id=\"sagcr1\" data-start=\"1987\" data-end=\"2043\"\u003eReduces maintenance compared to points-style systems\u003c\/li\u003e\n\u003cli data-section-id=\"1iq5ocb\" data-start=\"2044\" data-end=\"2098\"\u003eDurable construction built for marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2100\" data-end=\"2103\"\u003e\n\u003cp data-start=\"2105\" data-end=\"2400\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf your boat is experiencing ignition issues or you’re upgrading from an older distributor, the Sierra 18-5312-1 provides a straightforward, dependable solution. It’s an easy way to restore smooth operation and keep your Ford 351-powered boat running strong every time you head out on the water.\u003c\/p\u003e","brand":"Inboard Parts HQ","offers":[{"title":"Default Title","offer_id":48714581737729,"sku":"18-5312-1","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/Screenshot2026-05-01125942.png?v=1777654799","url":"https:\/\/inboardpartshq.com\/products\/sierra-18-5312-1-marine-distributor-ford-351-v8","provider":"Inboard Parts HQ","version":"1.0","type":"link"}