{"product_id":"volvo-penta-resistor-873717","title":"Volvo Penta Resistor – 873717","description":"\u003cp data-start=\"56\" data-end=\"366\"\u003eThe Volvo Penta Resistor 873717 is a genuine OEM ballast resistor designed to regulate voltage within the ignition system of Volvo Penta marine engines. This resistor reduces voltage to the ignition coil during normal engine operation, preventing coil overheating and extending the life of ignition components.\u003c\/p\u003e\n\u003cp data-start=\"368\" data-end=\"637\"\u003eBuilt to OEM specifications, this resistor ensures stable ignition performance by maintaining proper voltage levels, especially in older carbureted and points-style ignition systems. It is a critical component for reliable engine starting and consistent spark delivery.\u003c\/p\u003e\n\u003chr data-start=\"639\" data-end=\"642\"\u003e\n\u003ch3 data-start=\"644\" data-end=\"660\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"661\" data-end=\"908\"\u003e\n\u003cli data-start=\"661\" data-end=\"705\"\u003eGenuine Volvo Penta OEM ballast resistor\u003c\/li\u003e\n\u003cli data-start=\"706\" data-end=\"744\"\u003eRegulates voltage to ignition coil\u003c\/li\u003e\n\u003cli data-start=\"745\" data-end=\"796\"\u003ePrevents coil overheating and premature failure\u003c\/li\u003e\n\u003cli data-start=\"797\" data-end=\"836\"\u003eEnsures stable ignition performance\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"881\"\u003eMarine-grade construction for durability\u003c\/li\u003e\n\u003cli data-start=\"882\" data-end=\"908\"\u003eDirect OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"910\" data-end=\"913\"\u003e\n\u003ch3 data-start=\"915\" data-end=\"939\"\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"940\" data-end=\"1003\"\u003eCommonly used on older Volvo Penta ignition systems, including:\u003c\/p\u003e\n\u003cul data-start=\"1005\" data-end=\"1174\"\u003e\n\u003cli data-start=\"1005\" data-end=\"1047\"\u003eVolvo Penta AQ series gasoline engines\u003c\/li\u003e\n\u003cli data-start=\"1048\" data-end=\"1100\"\u003eVolvo Penta 4-cylinder and V6 carbureted engines\u003c\/li\u003e\n\u003cli data-start=\"1101\" data-end=\"1174\"\u003eVolvo Penta V8 (5.0L \/ 5.7L) with points or early electronic ignition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1176\" data-end=\"1197\"\u003eApplications include:\u003c\/p\u003e\n\u003cul data-start=\"1198\" data-end=\"1274\"\u003e\n\u003cli data-start=\"1198\" data-end=\"1234\"\u003eIgnition coil voltage regulation\u003c\/li\u003e\n\u003cli data-start=\"1235\" data-end=\"1274\"\u003ePrimary ignition circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1276\" data-end=\"1411\"\u003e✔ Typically used on \u003cstrong data-start=\"1296\" data-end=\"1354\"\u003e12V ignition systems with ballast resistor requirement\u003c\/strong\u003e\u003cbr data-start=\"1354\" data-end=\"1357\"\u003e✔ Not used on newer full electronic ignition systems\u003c\/p\u003e\n\u003chr data-start=\"1413\" data-end=\"1416\"\u003e\n\u003ch3 data-start=\"1418\" data-end=\"1450\"\u003eSerial Number Fitment Notice\u003c\/h3\u003e\n\u003cp data-start=\"1451\" data-end=\"1636\"\u003eIgnition components vary significantly by engine model and ignition type. Always confirm compatibility using your engine serial number and ignition system configuration before ordering.\u003c\/p\u003e\n\u003chr data-start=\"1638\" data-end=\"1641\"\u003e\n\u003ch3 data-start=\"1643\" data-end=\"1679\"\u003eWhen This Part Needs Replacement\u003c\/h3\u003e\n\u003cul data-start=\"1680\" data-end=\"1885\"\u003e\n\u003cli data-start=\"1680\" data-end=\"1726\"\u003eEngine hard starting or no start condition\u003c\/li\u003e\n\u003cli data-start=\"1727\" data-end=\"1757\"\u003eWeak or inconsistent spark\u003c\/li\u003e\n\u003cli data-start=\"1758\" data-end=\"1787\"\u003eIgnition coil overheating\u003c\/li\u003e\n\u003cli data-start=\"1788\" data-end=\"1835\"\u003eVisible damage or cracking on resistor body\u003c\/li\u003e\n\u003cli data-start=\"1836\" data-end=\"1885\"\u003eElectrical testing shows incorrect resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1887\" data-end=\"1890\"\u003e\n\u003ch3 data-start=\"1892\" data-end=\"1914\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul data-start=\"1915\" data-end=\"2168\"\u003e\n\u003cli data-start=\"1915\" data-end=\"1977\"\u003eMount in original location with proper airflow for cooling\u003c\/li\u003e\n\u003cli data-start=\"1978\" data-end=\"2024\"\u003eEnsure clean, tight electrical connections\u003c\/li\u003e\n\u003cli data-start=\"2025\" data-end=\"2084\"\u003eVerify correct wiring configuration before installation\u003c\/li\u003e\n\u003cli data-start=\"2085\" data-end=\"2128\"\u003eTest voltage at coil after installation\u003c\/li\u003e\n\u003cli data-start=\"2129\" data-end=\"2168\"\u003eReplace coil if damage is suspected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2170\" data-end=\"2173\"\u003e\n\u003ch3 data-start=\"2175\" data-end=\"2232\"\u003eAlternate \/ Superseded \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul data-start=\"2233\" data-end=\"2373\"\u003e\n\u003cli data-start=\"2233\" data-end=\"2260\"\u003eVolvo Penta: \u003cstrong data-start=\"2248\" data-end=\"2258\"\u003e873717\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2261\" data-end=\"2284\"\u003eSierra: \u003cstrong data-start=\"2271\" data-end=\"2282\"\u003e18-5807\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2285\" data-end=\"2303\"\u003eGLM: \u003cstrong data-start=\"2292\" data-end=\"2301\"\u003e72160\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2304\" data-end=\"2373\"\u003eCommon equivalent: marine ballast resistor (application-specific)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2375\" data-end=\"2378\"\u003e\n\u003ch3 data-start=\"2380\" data-end=\"2402\"\u003eParts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"2403\" data-end=\"2700\"\u003eBallast resistors are a common failure point on older ignition systems. If the engine starts but dies when the key is released, or has weak spark, this is often the culprit. Always verify coil compatibility — running without a resistor on a resistor-required system will quickly burn out the coil.\u003c\/p\u003e\n\u003chr data-start=\"2702\" data-end=\"2705\"\u003e\n\u003ch3 data-start=\"2707\" data-end=\"2719\"\u003eShipping\u003c\/h3\u003e\n\u003cp data-start=\"2720\" data-end=\"2785\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓*not as shown\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43564053135396,"sku":"873717","price":108.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/0c50c9e4-d278-4dc0-a0ab-77bda75dcba2.png?v=1774468286","url":"https:\/\/marisolmarine.com\/products\/volvo-penta-resistor-873717","provider":"Marisol Marine Company","version":"1.0","type":"link"}