{"product_id":"421374-valve-spring-genuine-volvo-penta","title":"421374 Valve Spring | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine Volvo Penta valve spring from the Engine group, weighing 0.082 kg and listed for 12 applications across the D, AQD, TD, MD, TAMD and THAMD series.\n\u003c\/p\u003e\n\u003ch2\u003e\n 🚤 Compatibility\n\u003c\/h2\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Volvo Penta D70CHC\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D70CRC\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta AQD70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta AQD70BL\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TD70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta MD70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAMD70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta THAMD70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TMD70B\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D42A\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta MD70C\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Engine Family:\n  \u003c\/strong\u003e\n  D, AQD, TD, MD, TAMD, THAMD, TMD\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  0.082 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  12 applications across six engine series\n \u003c\/li\u003e\n \u003cli\u003e\n  Covers the less common THAMD series as well\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Closes the valve against its seat and keeps the valve gear in contact with the cam through the whole lift cycle.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Valve gear noise and misfire at higher revolutions\n \u003c\/li\u003e\n \u003cli\u003e\n  Spring free length shorter than specification\n \u003c\/li\u003e\n \u003cli\u003e\n  Broken coil, most often at the end turn\n \u003c\/li\u003e\n \u003cli\u003e\n  Squared ends no longer sitting flat on the seat washer\n \u003c\/li\u003e\n \u003cli\u003e\n  Corrosion pitting on the wire, which starts a fatigue crack\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  Replace valve springs as a complete set — one soft spring in an old set will fail again quickly\n \u003c\/li\u003e\n \u003cli\u003e\n  Check the retainer, lock plate and seat washer for wear at the same time\n \u003c\/li\u003e\n \u003cli\u003e\n  Measure free length and squareness against a new spring rather than judging by eye\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":53385736061220,"sku":"L682341","price":18.84,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_ed6a1920-0518-4ced-be20-a8daa4eef379.jpg?v=1777198512","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/421374-valve-spring-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}