{"product_id":"20580083-valve-seat-genuine-volvo-penta","title":"20580083 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 in the 0.40 mm oversize, from the Engine group, weighing 0.023 kg and listed for 27 applications across the TD and TAD engine series. Seat 20580082 carries the same published weight but is the 0.20 mm oversize, so the oversize marking is what tells them apart.\n\u003c\/p\u003e\n\u003ch2\u003e\n 🚤 Compatibility\n\u003c\/h2\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\u003cp\u003e\n Full model list at the end of this description.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  0.40 mm oversize\n \u003c\/li\u003e\n \u003cli\u003e\n  0.023 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  Listed for 27 applications across TD and TAD engines\n \u003c\/li\u003e\n \u003cli\u003e\n  20580080 is the other 0.40 mm oversize seat listed here\n \u003c\/li\u003e\n \u003cli\u003e\n  0.40mm (Volvo assembly listing)\n \u003c\/li\u003e\n \u003cli\u003e\n  Quantity varies by assembly, most commonly six\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Provides the hardened face the valve closes against, and carries heat from the valve head into the cylinder head.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Compression loss on one cylinder, with hard starting or a misfire\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve clearances closing up between adjustments\n \u003c\/li\u003e\n \u003cli\u003e\n  Seat burnt, pitted or recessed into the head\n \u003c\/li\u003e\n \u003cli\u003e\n  Insert cracked or loose in its counterbore\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve cannot be refaced to give the specified contact band\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  Order by the oversize marking, not by weight - the four seats listed here do not sort by mass\n \u003c\/li\u003e\n \u003cli\u003e\n  Two seats are listed at each oversize, so quote the part number that came out of the head\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  20580082 - Related Valve Seat\n \u003c\/li\u003e\n \u003cli\u003e\n  20580080 - Related Valve Seat\n \u003c\/li\u003e\n \u003cli\u003e\n  20580079 - Related Valve Seat\n \u003c\/li\u003e\n \u003cli\u003e\n  20580078 - Related Valve Guide\n \u003c\/li\u003e\n \u003cli\u003e\n  20580074 - Related Valve Guide\n \u003c\/li\u003e\n \u003cli\u003e\n  20580032 - Related Plug\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\u003ch2\u003e\n 🔎 Full Model Compatibility\n\u003c\/h2\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Volvo Penta TAD520GE, TAD520VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD530GE MECH, TAD530GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD531GE MECH, TAD531GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD720GE, TAD720VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD721GE, TAD721VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD722GE, TAD722VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD730GE MECH, TAD730GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD731GE MECH, TAD731GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD750GE, TAD750VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD532GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD550GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD551GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD732GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD733GE EDC4\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD751GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD760VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TD520GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TD720GE\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53385762701604,"sku":"K136625","price":82.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_fa2bac9c-61d1-4e63-a5d9-f3a0824c5a6c.jpg?v=1788060767","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/20580083-valve-seat-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}