{"product_id":"21055823-cylinder-head-genuine-volvo-penta","title":"21055823 Cylinder Head | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Brand-new genuine Volvo Penta cylinder head for use in the Volvo Penta TAD620VE cylinder-head and valvetrain assembly. The machined casting forms the combustion-chamber roof and houses the valve, injector, coolant and lubrication passages required by the engine.\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 TAD620VE\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   Serial Range:\n  \u003c\/strong\u003e\n  SN10128118-\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  Genuine precision-machined cylinder-head reference\n \u003c\/li\u003e\n \u003cli\u003e\n  Correct combustion, valve and injector geometry\n \u003c\/li\u003e\n \u003cli\u003e\n  Integrated coolant and oil passages\n \u003c\/li\u003e\n \u003cli\u003e\n  Matched to the specified engine family and serial range\n \u003c\/li\u003e\n \u003cli\u003e\n  Head gasket, bolts, injectors and external installation parts are separate unless listed\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta 6-litre inline six-cylinder industrial diesel\n \u003c\/li\u003e\n\n\u003cli\u003e\n Also supersedes Volvo part numbers 20459858 and 20498711\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, supports the valvetrain and injectors, and routes intake, exhaust, coolant and lubricating oil through the upper engine.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Coolant pressurisation or unexplained coolant loss\n \u003c\/li\u003e\n \u003cli\u003e\n  Low compression, misfire or difficult starting\n \u003c\/li\u003e\n \u003cli\u003e\n  Cracks around valve seats, injector bores or water passages\n \u003c\/li\u003e\n \u003cli\u003e\n  Repeated head-gasket failure or overheating\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  21055823 → Supersedes 20747867\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  20489008 related reference\n \u003c\/li\u003e\n \u003cli\u003e\n  20747867 related reference\n \u003c\/li\u003e\n \u003cli\u003e\n  20799762 related reference\n \u003c\/li\u003e\n \u003cli\u003e\n  Inlet valve 21026535\n \u003c\/li\u003e\n \u003cli\u003e\n  Exhaust valve 21026536\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Other-Brand OEM Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  VOE21055823\n \u003c\/li\u003e\n \u003cli\u003e\n  Deutz 04291729\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  Exchange\/remanufactured head 3801233\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  Ziptek: replacement cylinder head for 20489008 \/ 20747867 \/ 21055823\n \u003c\/li\u003e\n \u003cli\u003e\n  XMH: replacement cylinder head for 20489008 \/ 20747867 \/ 20799762 \/ 21055823\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":53384088486180,"sku":"3389952","price":10108.84,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_dfdfd134-938c-447d-87a7-61814d10bbbd.jpg?v=1788059999","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21055823-cylinder-head-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}