{"product_id":"18-4231-sierra-omc-prop-thrust-washer-replaces-320570","title":"18-4231 SIERRA, OMC  \"PROP THRUST WASHER\" Replaces 320570","description":"\u003cp\u003e# 18-4231 SIERRA, OMC PROP THRUST WASHER Heavy-duty thrust washer engineered to manage axial loads in propeller shaft assemblies. This OEM-equivalent component distributes propeller thrust evenly across the gearbox, preventing premature wear and bearing damage. Direct replacement for OMC part 320570, compatible with Sierra-equipped marine engines. Precision-manufactured from marine-grade materials to resist corrosion and maintain dimensional stability under extreme operating pressures. Critical for smooth propeller engagement, efficient power transfer, and extended drivetrain longevity in saltwater environments.\u003c\/p\u003e","brand":"May Marine","offers":[{"title":"Default Title","offer_id":43852676694115,"sku":null,"price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/5651\/2867\/files\/18-42313.webp?v=1766012410","url":"https:\/\/maymarine98528.myshopify.com\/products\/18-4231-sierra-omc-prop-thrust-washer-replaces-320570","provider":"May Marine","version":"1.0","type":"link"}