{"product_id":"20799762-cylinder-head-genuine-volvo-penta","title":"20799762 Cylinder Head | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Complete common-rail cylinder head for TAD550\/TAD750 engines, with Volvo Penta exchange cylinder head 3803975 listed as the service alternative.\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 TAD750GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD751GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD750VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD760VE\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 300 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  OEM-machined combustion, valve and injector interfaces\n \u003c\/li\u003e\n \u003cli\u003e\n  Supports the original valves, seats, guides, injector and coolant\/oil passages\n \u003c\/li\u003e\n \u003cli\u003e\n  Available with a Volvo Penta exchange service alternative where listed\n \u003c\/li\u003e\n \u003cli\u003e\n  Requires the correct graded head gasket and tightening procedure\n \u003c\/li\u003e\n \u003cli\u003e\n  All mating surfaces and reusable valve components must be inspected during installation\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: 5.7 L and 7 L common-rail diesel\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Seals the top of the cylinders and carries the valves, injector, upper valve mechanism and internal coolant\/oil passages required for 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, hard starting or persistent cylinder misfire\n \u003c\/li\u003e\n \u003cli\u003e\n  Coolant or oil leakage at the head joint\n \u003c\/li\u003e\n \u003cli\u003e\n  Cracked casting, damaged valve seats or injector bore\n \u003c\/li\u003e\n \u003cli\u003e\n  Recurring overheating or cylinder-head-gasket 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  Check the head for cracks and check the head and block faces for flatness with a straight edge before assembly, and have any doubt about the face or the valve seats resolved before the gasket goes on\n \u003c\/li\u003e\n \u003cli\u003e\n  Clean the gasket faces with care and without scoring them — do not attack an aluminium face with abrasive discs or scrapers, and keep debris out of the bores, coolant passages and bolt holes\n \u003c\/li\u003e\n \u003cli\u003e\n  Always use a new head gasket, and tighten in the stages, sequence and torque-plus-angle steps given in the workshop manual for your engine, with the threads and mating faces clean and lubricated exactly as that manual specifies\n \u003c\/li\u003e\n \u003cli\u003e\n  Head bolts on modern engines are angle-tightened and stretch permanently, so renew them wherever the manual calls for it rather than reusing them\n \u003c\/li\u003e\n \u003cli\u003e\n  Refill and bleed the cooling system properly, then run the engine and carry out any retightening or valve clearance recheck the manual requires after the first running period\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  3803975 (Volvo Penta exchange\/remanufactured cylinder head)\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  20799722 cylinder-head cap plug\n \u003c\/li\u003e\n \u003cli\u003e\n  20459962; 20580079; 20580080 inlet valve-seat references\n \u003c\/li\u003e\n \u003cli\u003e\n  20845144; 20580082; 20580083 exhaust valve-seat references\n \u003c\/li\u003e\n \u003cli\u003e\n  20412733 cap plug\n \u003c\/li\u003e\n \u003cli\u003e\n  20405897 valve guide\n \u003c\/li\u003e\n \u003cli\u003e\n  20798699 inlet valve\n \u003c\/li\u003e\n \u003cli\u003e\n  20798533 exhaust valve\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  20850047; 20850048; 20850049 graded cylinder-head gaskets\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: CH-99762\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":53379733881124,"sku":"H317992","price":9829.96,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_f25bcde2-da47-47a0-8cae-172acf25ebbe.jpg?v=1788054969","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/20799762-cylinder-head-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}