{"product_id":"20798533-exhaust-valve-genuine-volvo-penta","title":"20798533 Exhaust Valve | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Precision cylinder-head valve-mechanism component used in the common-rail d5\/d7 cylinder-head and valve mechanism. It maintains the intended gas-flow, sealing or spring-control function through the engine cycle.\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 TAD650VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD660VE\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  TAD\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   HP Range:\n  \u003c\/strong\u003e\n  Approximately 320 HP\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Year Range:\n  \u003c\/strong\u003e\n  Approximately 2000s-2010s\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  Exhaust valve, 0.120 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  Supersedes 21739319\n \u003c\/li\u003e\n \u003cli\u003e\n  Listed for 2 TAD applications\n \u003c\/li\u003e\n \u003cli\u003e\n  The matching inlet valve is 20798699 at 0.134 kg\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Opens and closes the cylinder-head gas port at the correct point in the engine cycle and seals against the valve seat during compression and combustion.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Low compression or leakage past the valve seat\n \u003c\/li\u003e\n \u003cli\u003e\n  Hard starting, rough running or reduced power\n \u003c\/li\u003e\n \u003cli\u003e\n  Burnt, bent, recessed or pitted valve face\n \u003c\/li\u003e\n \u003cli\u003e\n  Incomplete gas sealing or restricted cylinder breathing\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  Check the guide and seat while the valve is out - a new valve into a worn guide will burn again\n \u003c\/li\u003e\n \u003cli\u003e\n  Inlet and exhaust valves are not interchangeable; 20798699 is the inlet\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 Supersession Chain\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  20798533 → Supersedes 21739319\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21739319 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  23095755 later cylinder-head reference\n \u003c\/li\u003e\n \u003cli\u003e\n  20849976 inlet valve seat\n \u003c\/li\u003e\n \u003cli\u003e\n  20849979 exhaust valve-seat insert\n \u003c\/li\u003e\n \u003cli\u003e\n  20459855 valve-stem seal\n \u003c\/li\u003e\n \u003cli\u003e\n  20459851 valve spring\n \u003c\/li\u003e\n \u003cli\u003e\n  20840747 spring disc\n \u003c\/li\u003e\n \u003cli\u003e\n  20459857 valve cotter\n \u003c\/li\u003e\n \u003cli\u003e\n  20840807 thrust washer\n \u003c\/li\u003e\n \u003cli\u003e\n  20792103 snap ring\n \u003c\/li\u003e\n \u003cli\u003e\n  20850047; 20850048; 20850049 graded head gaskets\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM Reman Alternatives\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  3801133 and 3801894 exchange\/new cylinder-head references\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Aftermarket \/ Verified Equivalents\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  SRP: EV-98533\n \u003c\/li\u003e\n \u003cli\u003e\n  Olsson Parts: 51459\n \u003c\/li\u003e\n \u003cli\u003e\n  Freccia: R6675\/RCR\n \u003c\/li\u003e\n \u003cli\u003e\n  Syncparts: 01-1533\n \u003c\/li\u003e\n \u003cli\u003e\n  OE Germany: 04 0520 201203\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":53383950074148,"sku":"137661M","price":103.71,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_a82beda1-7453-4fa2-9d8b-b7e1ce7774cd.png?v=1788058789","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/20798533-exhaust-valve-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}