{"product_id":"90430-08003-gearbox-drain-gasket","title":"90430-08003 Yamaha Gearbox Drain Gasket | Genuine OEM Yamaha Outboard 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 Yamaha Gearcase Drain and Vent Screw Gasket - Part Number: 90430-08003\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Yamaha fibre sealing washer for lower-unit gear-oil drain, fill and vent screws.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The gasket seals beneath the screw head and should normally be replaced whenever the plug is removed to prevent lubricant loss or water entry.\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 Yamaha OEM gearcase screw gasket\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct current Yamaha part number 90430-08003\n\u003c\/p\u003e\n\u003cp\u003e\n • Supersedes earlier washer 90430-08020\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on Yamaha lower-unit drain and vent screws\n\u003c\/p\u003e\n\u003cp\u003e\n • Two washers commonly required during a gear-oil change\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 • 90430-08003 → Supersedes 90430-08020\n\u003c\/p\u003e\n\u003cp\u003e\n • 90430-08020 earlier OEM gearcase gasket 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 • 90430-08003\n\u003c\/p\u003e\n\u003cp\u003e\n • 90430-08003-00\n\u003c\/p\u003e\n\u003cp\u003e\n • 90430-08020\n\u003c\/p\u003e\n\u003cp\u003e\n • Yamaha gear-oil drain-plug washer\n\u003c\/p\u003e\n\u003cp\u003e\n • Yamaha vent-plug sealing gasket\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 • Aftermarket Yamaha-pattern black fibre drain-plug washer\n\u003c\/p\u003e\n\u003cp\u003e\n • Replacement gasket supplied in Yamaha-pattern gear-oil service kits\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 • Yamaha outboard lower-unit drain and vent screws\n\u003c\/p\u003e\n\u003cp\u003e\n • Gearcase lubricant servicing\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 • Yamaha portable outboards\n\u003c\/p\u003e\n\u003cp\u003e\n • Yamaha mid-range outboards\n\u003c\/p\u003e\n\u003cp\u003e\n • Yamaha V6 and V8 high-horsepower outboards\n\u003c\/p\u003e\n\u003cp\u003e\n • Yamaha two-stroke, HPDI, four-stroke, VMAX SHO and XTO gearcases using the matching drain screw\n\u003c\/p\u003e\n\u003cp\u003e\n • Conventional and counter-rotation Yamaha lower units\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: Applicable Yamaha outboards from small portable engines through high-horsepower models\n\u003c\/p\u003e\n\u003cp\u003e\n • System Type: Lower-unit lubricant drain, fill and vent screw\n\u003c\/p\u003e\n\u003cp\u003e\n • Service Quantity: Commonly two gaskets per gear-oil change.\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 gasket forms a fluid-tight seal beneath the drain or vent screw, retaining gear lubricant and preventing water intrusion.\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 • Gear oil around the screw\n\u003c\/p\u003e\n\u003cp\u003e\n • Milky or water-contaminated lubricant\n\u003c\/p\u003e\n\u003cp\u003e\n • Washer is flattened, cracked or missing\n\u003c\/p\u003e\n\u003cp\u003e\n • Gearcase fails pressure testing at the plug\n\u003c\/p\u003e\n\u003cp\u003e\n • Leakage begins after an oil change\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 Yamaha part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":53394130436388,"sku":"904300800300","price":3.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_cdee7361-0a85-442f-9d2a-8e78aa80f4f1.jpg?v=1777267346","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/90430-08003-gearbox-drain-gasket","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}