{"product_id":"21668-nut-retainer-genuine-volvo-penta","title":"21668 Nut Retainer | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n A genuine Volvo Penta nut-retaining component with the valid five-digit part number 21668. It locks or captures the associated nut in its catalogued assembly so the fastener remains positioned during installation and operation.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta legacy-format part number\n \u003c\/li\u003e\n \u003cli\u003e\n  Designed to retain the associated nut\n \u003c\/li\u003e\n \u003cli\u003e\n  Position-specific shape and material\n \u003c\/li\u003e\n \u003cli\u003e\n  Prevents fastener rotation or loss where specified\n \u003c\/li\u003e\n \u003cli\u003e\n  Direct replacement for the exact original retainer\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta marine or industrial mechanical assembly\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Captures or locks the specified nut so it cannot rotate freely or fall from its installation position.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Nut movement or loosening\n \u003c\/li\u003e\n \u003cli\u003e\n  Retainer cracking or loss of spring tension\n \u003c\/li\u003e\n \u003cli\u003e\n  Incorrect nut alignment during assembly\n \u003c\/li\u003e\n \u003cli\u003e\n  Fastener loss after retainer failure\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Fit the retainer the right way round so the captive nut sits square to its hole and the fastener enters without cross-threading\n \u003c\/li\u003e\n \u003cli\u003e\n  Renew retainers that are corroded or have lost their spring tension rather than reusing them; one that no longer grips lets the nut spin or drop out of reach behind a panel\n \u003c\/li\u003e\n \u003cli\u003e\n  Clean the panel or flange and its hole before fitting, and treat corrosion at the same time — this is usually what killed the original\n \u003c\/li\u003e\n \u003cli\u003e\n  Match the retainer to the fastener thread and size, and remember the retainer only locates and holds the nut, so do not rely on it to take a heavy tightening load\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  3853403 - other Volvo Penta nut-retainer designs; not interchangeable without catalogue confirmation\n \u003c\/li\u003e\n \u003cli\u003e\n  3853306 - other Volvo Penta nut-retainer designs; not interchangeable without catalogue confirmation\n \u003c\/li\u003e\n \u003cli\u003e\n  21480060 - other Volvo Penta nut-retainer designs; not interchangeable without catalogue confirmation\n \u003c\/li\u003e\n \u003cli\u003e\n  21480062 - other Volvo Penta nut-retainer designs; not interchangeable without catalogue confirmation\n \u003c\/li\u003e\n \u003cli\u003e\n  20505959 - other Volvo Penta nut-retainer designs; not interchangeable without catalogue confirmation\n \u003c\/li\u003e\n \u003cli\u003e\n  3852009 - other Volvo Penta nut-retainer designs; not interchangeable without catalogue confirmation\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53383824965924,"sku":"J737091","price":25.82,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_1cbab7e5-301c-4691-9ddc-a94fa00ef766.jpg?v=1788059710","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21668-nut-retainer-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}