{"product_id":"333-3213a3-mercury-switch-box-genuine-used-part","title":"333-3213A3 Mercury Switch Box | 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 Switch Box Assembly - Part Number: 333-3213A3\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Mercury ignition switch box assembly used on selected early Mercury 4-cylinder Thunderbolt ignition systems. This 4-post switch box is associated with classic Mercury 500 \/ 50HP and Mercury 650 \/ 65HP two-stroke outboards and must be matched by original switch-box number and wiring layout.\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 switch box assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 333-3213A3\n\u003c\/p\u003e\n\u003cp\u003e\n • Early 4-post Thunderbolt ignition switch box\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on selected Mercury 50HP and 65HP 4-cylinder two-stroke engines\n\u003c\/p\u003e\n\u003cp\u003e\n • Red \/ white \/ blue \/ green 4-post wiring layout must match the original unit\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 • 333-3213A3 current Mercury switch box assembly reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 333-3213 related base switch box reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 3213A3 formatted Mercury switch box 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 • 333-3213A3\n\u003c\/p\u003e\n\u003cp\u003e\n • 3333213A3\n\u003c\/p\u003e\n\u003cp\u003e\n • 3213A3\n\u003c\/p\u003e\n\u003cp\u003e\n • 333-3213\n\u003c\/p\u003e\n\u003cp\u003e\n • 3333213\n\u003c\/p\u003e\n\u003cp\u003e\n • Switch box assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Ignition switch box\n\u003c\/p\u003e\n\u003cp\u003e\n • 4-post switch box\n\u003c\/p\u003e\n\u003cp\u003e\n • Red \/ white \/ blue \/ green terminal layout\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 • Pro Marine: 19052\n\u003c\/p\u003e\n\u003cp\u003e\n • Maxrules: 19052\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 • Early Mercury 4-cylinder two-stroke Thunderbolt ignition systems\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 500 \/ 50HP 4-cylinder - 1968-1975\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 500 \/ 50HP - serial 4357640 to 5531629\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 50HP 4-cylinder Thunderbolt ignition\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 650 \/ 65HP 4-cylinder - late-1960s applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 65HP 4-cylinder Thunderbolt ignition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: commonly 50HP - 65HP\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: Mercury 4-cylinder two-stroke outboard with early Thunderbolt switch-box ignition\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: Approximately 1968 - 1975 for common 50HP \/ 65HP applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Serial Range: Mercury 500 \/ 50HP parts-family range includes serial 4357640 to 5531629; 65HP applications must be checked by original serial-numbered ignition diagram and 4-post switch-box wiring.\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 switch box stores and releases ignition energy to the coil circuit when triggered, allowing the engine to produce spark at the correct timing point.\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 • No spark\n\u003c\/p\u003e\n\u003cp\u003e\n • Weak or intermittent spark\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine starts then loses spark\n\u003c\/p\u003e\n\u003cp\u003e\n • No-start after trigger, coil and wiring checks\n\u003c\/p\u003e\n\u003cp\u003e\n • Spark returns when switch box is substituted\n\u003c\/p\u003e\n\u003cp\u003e\n • Internal failure caused by age, heat or vibration\n\u003c\/p\u003e\n\u003cp\u003e\n • Incorrect spark output from damaged terminals or wiring\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":53392324526372,"sku":"M421110","price":60.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_7976bace-6901-4725-8b06-84917e7e200b.jpg?v=1777261972","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/333-3213a3-mercury-switch-box-genuine-used-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}