{"product_id":"99502a13-mercruiser-regulator-genuine-used-part","title":"99502A13 Mercruiser Regulator | Genuine Used Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine MerCruiser Water-Cooled Voltage Regulator - Part Number: 99502A13\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Mercury MerCruiser water-cooled voltage regulator for 3.7L \/ 224 CID inline 4-cylinder sterndrive engines. This 40 amp regulator is used in the MerCruiser 470, 485, 488, 165, 170, 180, 190 and 3.7L charging-system family.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Mercury MerCruiser voltage regulator\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 99502A13\n\u003c\/p\u003e\n\u003cp\u003e\n • Supersedes earlier 99502A9 regulator assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Water-cooled 40 amp regulator for MerCruiser 3.7L \/ 224 CID 4-cylinder engines\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on sterndrive charging systems with the water-cooled regulator \/ rectifier configuration\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A13 current Mercury \/ MerCruiser service reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A12 earlier related regulator reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A9 → Superseded by 99502A13\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A8 \/ 99502A7 \/ 99502A4 earlier related 3.7L regulator references\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A13\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A12\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A9\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A8\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A7\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502A4\n\u003c\/p\u003e\n\u003cp\u003e\n • 99502\n\u003c\/p\u003e\n\u003cp\u003e\n • 77305A2\n\u003c\/p\u003e\n\u003cp\u003e\n • 86255A2\n\u003c\/p\u003e\n\u003cp\u003e\n • 86255A3\n\u003c\/p\u003e\n\u003cp\u003e\n • Related regulator \/ rectifier conversion reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • CDI Electronics: 194-9502\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra: 18-99421\n\u003c\/p\u003e\n\u003cp\u003e\n • CDI Electronics: 194-9502-4\n\u003c\/p\u003e\n\u003cp\u003e\n • Aftermarket water-cooled regulator family: 99502A7 \/ 99502A9 \/ 99502A13\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 3.7L \/ 224 CID inline 4-cylinder sterndrive charging systems using the water-cooled regulator\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 2BBL 4-cylinder sterndrive, 1976-1984\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 485 2BBL 4-cylinder sterndrive, 1980-1984\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 488 2BBL 4-cylinder sterndrive, 1980-1984\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 170 4-cylinder sterndrive, 1985-1986\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 190 4-cylinder sterndrive, 1985-1986\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 165 4-cylinder sterndrive, 1987\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 180 4-cylinder sterndrive, 1987\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 3.7L 4-cylinder sterndrive, 1988-1989\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 3.7LX 4-cylinder sterndrive, 1988-1989\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: approximately 165HP - 190HP in listed MerCruiser 3.7L applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: MerCruiser 3.7L \/ 224 CID inline 4-cylinder petrol sterndrive\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: 1976 - 1989\n\u003c\/p\u003e\n\u003cp\u003e\n • Charging System: 40 amp water-cooled regulator \/ rectifier configuration\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The voltage regulator rectifies and regulates alternator \/ stator charging output so the battery and electrical system receive controlled charging voltage while the engine is running.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Battery not charging\n\u003c\/p\u003e\n\u003cp\u003e\n • Charging voltage too high or unstable\n\u003c\/p\u003e\n\u003cp\u003e\n • Gauge voltage spikes at higher RPM\n\u003c\/p\u003e\n\u003cp\u003e\n • Repeated battery boiling or electrical component damage\n\u003c\/p\u003e\n\u003cp\u003e\n • No output after stator and wiring checks\n\u003c\/p\u003e\n\u003cp\u003e\n • Water leak, corrosion or blockage at the regulator cooling connection\n\u003c\/p\u003e\n\u003cp\u003e\n • Burn marks, heat damage or melted wiring at regulator terminals\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine used part\n\u003c\/p\u003e\n\u003cp\u003e\n • Removed from running engine where applicable\n\u003c\/p\u003e\n\u003cp\u003e\n • In good working condition unless otherwise stated\n\u003c\/p\u003e\n","brand":"Sawley's Auto and Marine","offers":[{"title":"Default Title","offer_id":53388397478180,"sku":"R555704","price":300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_05019e46-c385-4b83-80a4-20617c8c3ef6.jpg?v=1777433322","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/99502a13-mercruiser-regulator-genuine-used-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}