{"product_id":"sierra-ignition-rotor-sie-18-5425","title":"Sierra Ignition Rotor SIE-18-5425","description":"\u003cp data-start=\"55\" data-end=\"350\"\u003eSierra SIE-18-5425 is an ignition rotor for selected Volvo Penta marine distributor applications. Current aftermarket listings consistently identify it as a Prestolite-style rotor and an interchange for Volvo Penta 834975 and 834975-5. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"366\"\u003eKey Features\u003c\/p\u003e\n\u003cul data-start=\"367\" data-end=\"599\"\u003e\n\u003cli data-start=\"367\" data-end=\"385\"\u003eIgnition rotor\u003c\/li\u003e\n\u003cli data-start=\"386\" data-end=\"417\"\u003eSierra part number: 18-5425\u003c\/li\u003e\n\u003cli data-start=\"418\" data-end=\"444\"\u003ePrestolite-style rotor\u003c\/li\u003e\n\u003cli data-start=\"445\" data-end=\"503\"\u003eCommon interchange for Volvo Penta 834975 and 834975-5\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"599\"\u003eCommon aftermarket interchange also includes GLM 71050. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"601\" data-end=\"1168\"\u003eEngine Compatibility\u003cbr data-start=\"621\" data-end=\"624\"\u003eCommon listings tie Sierra 18-5425 to selected Volvo Penta stern drive and marine gasoline applications using the matching Prestolite distributor setup. One fitment listing specifically shows Volvo Penta 8-cylinder applications including AQ200C, AQ225C, AQ255A, AQ190, AQ240, AQ255B, AQ280A, AQ260B, AQ200D, AQ225D, AQ260A, AQ290A, AQ260, BB225, and BB260 with Prestolite distributor IBM-7011B. Fitment should still be confirmed by engine model, distributor type, and original rotor number before ordering. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1170\" data-end=\"1498\"\u003eSerial Number Fitment Notice\u003cbr data-start=\"1198\" data-end=\"1201\"\u003eFitment should be confirmed by engine model, serial number, and installed distributor type before ordering. Rotor fitment is distributor-specific, so matching the original Volvo Penta number and distributor style is safer than matching by engine family alone. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1500\" data-end=\"1781\"\u003eWhen This Part Needs Replacement\u003cbr data-start=\"1532\" data-end=\"1535\"\u003eReplace when the rotor shows burning, carbon tracking, corrosion, cracking, looseness, or visible tip wear, or when distributor service reveals inconsistent spark transfer. Rotor condition directly affects ignition performance and spark delivery.\u003c\/p\u003e\n\u003cp data-start=\"1783\" data-end=\"2182\"\u003eInstallation Notes\u003cbr data-start=\"1801\" data-end=\"1804\"\u003eInstall only on the correct Prestolite distributor application. Confirm the replacement matches the removed rotor exactly before installation, and inspect the distributor cap at the same time. This rotor is commonly sold as a direct replacement for Volvo Penta 834975 \/ 834975-5, so matching the original part number is the safest approach. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2184\" data-end=\"2221\"\u003eAlternate \/ Superseded Part Numbers\u003c\/p\u003e\n\u003cul data-start=\"2222\" data-end=\"2374\"\u003e\n\u003cli data-start=\"2222\" data-end=\"2233\"\u003e18-5425\u003c\/li\u003e\n\u003cli data-start=\"2234\" data-end=\"2256\"\u003eVolvo Penta 834975\u003c\/li\u003e\n\u003cli data-start=\"2257\" data-end=\"2281\"\u003eVolvo Penta 834975-5\u003c\/li\u003e\n\u003cli data-start=\"2282\" data-end=\"2295\"\u003eGLM 71050\u003c\/li\u003e\n\u003cli data-start=\"2296\" data-end=\"2315\"\u003eCrusader 834975\u003c\/li\u003e\n\u003cli data-start=\"2316\" data-end=\"2374\"\u003eQuicksilver 803322 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2376\" data-end=\"2690\"\u003eParts Desk Insight\u003cbr data-start=\"2394\" data-end=\"2397\"\u003eThis rotor is best matched by distributor type first. Sierra 18-5425 is consistently described as a Prestolite rotor, which is the key detail that separates it from similar Volvo Penta rotor listings that look close but fit different distributor families. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2692\" data-end=\"2757\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564263866404,"sku":"SIE-18-5425","price":34.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/images_12.jpg?v=1775518978","url":"https:\/\/marisolmarine.com\/products\/sierra-ignition-rotor-sie-18-5425","provider":"Marisol Marine Company","version":"1.0","type":"link"}