{"product_id":"18736a21-mercury-voltage-regulator-genuine-used-part","title":"18736A21 Mercury Voltage 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 Mercury Dual Voltage Regulator Kit - Part Number: 18736A21\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Mercury voltage regulator reference used on V6 two-stroke outboard charging systems. This regulator is commonly associated with 40 amp six-cylinder Mercury \/ Mariner charging systems and cross-references with dual-regulator aftermarket kits for engines requiring four yellow wire stators.\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 voltage regulator reference\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 18736A21\n\u003c\/p\u003e\n\u003cp\u003e\n • Related to earlier Mercury regulator references 18736A8 and 18736A11\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on V6 two-stroke Mercury \/ Mariner 135HP to 200HP charging systems where specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Charging-system component requiring exact stator wire configuration and parts-diagram confirmation\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 • 18736A21 current \/ later Mercury voltage regulator reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 18736A11 earlier related voltage regulator reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 18736A8 earlier related voltage regulator reference\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 • 18736A21\n\u003c\/p\u003e\n\u003cp\u003e\n • 18736A20\n\u003c\/p\u003e\n\u003cp\u003e\n • 18736A11\n\u003c\/p\u003e\n\u003cp\u003e\n • 18736A8\n\u003c\/p\u003e\n\u003cp\u003e\n • 194-1873\n\u003c\/p\u003e\n\u003cp\u003e\n • 174-9610A18\n\u003c\/p\u003e\n\u003cp\u003e\n • 194-8736K 1\n\u003c\/p\u003e\n\u003cp\u003e\n • 194-5279R component regulator reference\n\u003c\/p\u003e\n\u003cp\u003e\n • Related 40 amp six-cylinder regulator \/ rectifier charging-system family\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: 194-8736K 1\n\u003c\/p\u003e\n\u003cp\u003e\n • CDI Electronics: 194-5279R component regulators\n\u003c\/p\u003e\n\u003cp\u003e\n • WSM \/ aftermarket conversion family: 174-9610A18\n\u003c\/p\u003e\n\u003cp\u003e\n • Aftermarket replacement reference: 194-1873\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 • Mercury \/ Mariner V6 two-stroke 40 amp charging systems using the 18736A21 regulator family\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 • Mercury 135HP V6 two-stroke 1989-1991 charging systems with 40 amp output and four yellow wire stator configuration\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 150HP V6 two-stroke 1989-1991 charging systems with 40 amp output and four yellow wire stator configuration\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP V6 two-stroke 1989-1991 charging systems with 40 amp output and four yellow wire stator configuration\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP V6 two-stroke 1989-1991 charging systems with 40 amp output and four yellow wire stator configuration\n\u003c\/p\u003e\n\u003cp\u003e\n • Mariner 135HP \/ 150HP \/ 175HP \/ 200HP V6 two-stroke applications using the same 18736A21 dual-regulator charging-system family\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: 135HP - 200HP\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: Mercury \/ Mariner V6 two-stroke outboard\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: 1989 - 1991 for core 40 amp V6 charging-system applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Charging System: 40 amp, six-cylinder, four yellow wire stator 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 \/ rectifier converts AC stator output to DC charging voltage and regulates that output to protect the battery, ignition electronics and vessel electrical system.\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 while engine is running\n\u003c\/p\u003e\n\u003cp\u003e\n • Charging voltage too high or unstable\n\u003c\/p\u003e\n\u003cp\u003e\n • Tachometer drop-out caused by charging circuit faults\n\u003c\/p\u003e\n\u003cp\u003e\n • Regulator overheating or melted wiring\n\u003c\/p\u003e\n\u003cp\u003e\n • Blown charging-system fuse or repeated battery issues\n\u003c\/p\u003e\n\u003cp\u003e\n • Burnt yellow stator wires or damaged regulator connectors\n\u003c\/p\u003e\n\u003cp\u003e\n • Electrical accessories cutting out due to voltage fluctuation\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":53392178151716,"sku":"X250266","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_0676e908-b6cb-4ed0-9621-6805a6475c7e.jpg?v=1777258912","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/18736a21-mercury-voltage-regulator-genuine-used-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}