{"product_id":"338484-0338484-gasket-water-pump","title":"0338484 Evinrude Johnson Gasket, Water Pump | Genuine OEM BRP 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 BRP Evinrude Johnson Large-Gearcase Water Pump Gasket - Part Number: 0338484\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine BRP water-pump gasket for selected high-horsepower Evinrude and Johnson outboard gearcases.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The gasket seals the water-pump plate or impeller-housing assembly against the gearcase, preventing cooling-water pressure loss and reducing the risk of exhaust gas entering the pump inlet area.\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 BRP OEM water-pump gasket\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct OEM part number 0338484\n\u003c\/p\u003e\n\u003cp\u003e\n • Common unprefixed number 338484\n\u003c\/p\u003e\n\u003cp\u003e\n • Used beneath the water-pump plate or housing\n\u003c\/p\u003e\n\u003cp\u003e\n • Suitable for selected large V4, V6, V8 and E-TEC gearcases\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra, SEI, GLM, Mallory and independent replacements available\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 \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 0338484\n\u003c\/p\u003e\n\u003cp\u003e\n • 338484\n\u003c\/p\u003e\n\u003cp\u003e\n • 0324701\n\u003c\/p\u003e\n\u003cp\u003e\n • 324701\n\u003c\/p\u003e\n\u003cp\u003e\n • OEM Description: Water Pump Gasket\n\u003c\/p\u003e\n\u003cp\u003e\n • Related impeller-housing seal: 0331353\n\u003c\/p\u003e\n\u003cp\u003e\n • Associated wear plate, cup and pump housing vary by gearcase\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 • Sierra: 18-2557\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra: 18-2557-9\n\u003c\/p\u003e\n\u003cp\u003e\n • SEI Marine: 95-306-02\n\u003c\/p\u003e\n\u003cp\u003e\n • GLM: 33730\n\u003c\/p\u003e\n\u003cp\u003e\n • Mallory: 9-60401\n\u003c\/p\u003e\n\u003cp\u003e\n • Outboard Spares: OSWG338\n\u003c\/p\u003e\n\u003cp\u003e\n • Generic water-pump gaskets replacing 0338484 \/ 0324701\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket packaging note:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra 18-2557-9 is commonly supplied as a multi-gasket package.\n\u003c\/p\u003e\n\u003cp\u003e\n • Confirm package quantity when setting inventory or selling individually.\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 selected:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Evinrude and Johnson 90HP-275HP two-stroke outboards from approximately 1980 onward\n\u003c\/p\u003e\n\u003cp\u003e\n • Evinrude E-TEC 75HP-300HP gearcases from approximately 2005 onward\n\u003c\/p\u003e\n\u003cp\u003e\n • V4 and V6 standard-rotation lower units\n\u003c\/p\u003e\n\u003cp\u003e\n • Counter-rotation gearcases\n\u003c\/p\u003e\n\u003cp\u003e\n • High-performance and commercial lower units where 0338484 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Important fitment note:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Gearcase design—not horsepower alone—determines gasket fitment.\n\u003c\/p\u003e\n\u003cp\u003e\n • Confirm the water-pump plate and housing arrangement.\n\u003c\/p\u003e\n\u003cp\u003e\n • The gasket can appear similar to other OMC pump gaskets but differ in water-passage shape and bolt pattern.\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 seals the stationary water-pump components to the gearcase.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of gasket failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Weak cooling-water pressure\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine overheats\n\u003c\/p\u003e\n\u003cp\u003e\n • Pump draws exhaust gas\n\u003c\/p\u003e\n\u003cp\u003e\n • Gasket is torn during disassembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Water leaks around the plate\n\u003c\/p\u003e\n\u003cp\u003e\n • Corrosion damages the gasket surface\n\u003c\/p\u003e\n\u003cp\u003e\n • Pump fails to prime after service\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Installation considerations:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Remove the old gasket completely\n\u003c\/p\u003e\n\u003cp\u003e\n • Clean both mating surfaces\n\u003c\/p\u003e\n\u003cp\u003e\n • Do not gouge the aluminium gearcase\n\u003c\/p\u003e\n\u003cp\u003e\n • Confirm all water passages align\n\u003c\/p\u003e\n\u003cp\u003e\n • Use sealant only when specified by the service manual\n\u003c\/p\u003e\n\u003cp\u003e\n • Tighten the pump housing evenly\n\u003c\/p\u003e\n\u003cp\u003e\n • Replace the impeller and seals where required\n\u003c\/p\u003e\n\u003cp\u003e\n • Check tell-tale flow and water pressure after installation\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 BRP Evinrude Johnson OEM part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in genuine or equivalent protective packaging\n\u003c\/p\u003e\n","brand":"BRP (Evinrude\/Johnson)","offers":[{"title":"Default Title","offer_id":53398279880996,"sku":"317754P","price":7.08,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_d742c25f-f3e7-44b3-ae8f-03593d98110a.jpg?v=1777275454","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/338484-0338484-gasket-water-pump","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}