{"product_id":"20459852-valve-seat-genuine-volvo-penta","title":"20459852 Valve Seat | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine Volvo Penta valve seat insert for the cylinder head, from the Engine group, weighing 0.023 kg and listed for 3 applications across TD and TAD series engines.\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 TD420VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD620VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD420VE\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  TD, TAD\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  Cylinder-head valve seat insert\n \u003c\/li\u003e\n \u003cli\u003e\n  0.023 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine group\n \u003c\/li\u003e\n \u003cli\u003e\n  3 applications across TD and TAD series engines\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Provides the hardened sealing and heat-transfer surface against which the engine valve closes.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Compression down on one cylinder, with hard starting or a misfire\n \u003c\/li\u003e\n \u003cli\u003e\n  Seat burnt, pitted or cracked, or found loose in the head\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve clearance closing up repeatedly between services as the seat recedes\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve sinking into the head so the correct contact width cannot be restored by refacing\n \u003c\/li\u003e\n \u003cli\u003e\n  Seat damage found alongside valve or piston damage during a head overhaul\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  Valve seat 20459854 is also listed against the same three TD and TAD fitments, so measure the counterbore in the head and order by part number\n \u003c\/li\u003e\n \u003cli\u003e\n  Cut the seat and lap the valve as a matched pair, then check valve recession before the head goes back on\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n Aftermarket \/ Verified Equivalents\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Olsson Parts: 40891\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":53383827357988,"sku":"1660820","price":42.11,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_86c5d163-a720-4d91-b4c1-6397f2b562f4.jpg?v=1777181255","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/20459852-valve-seat-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}