{"product_id":"21305007-piston-genuine-volvo-penta","title":"21305007 Piston | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Volvo Penta lists this part as the piston kit supplied inside its published overhaul kit 3809772, for TD420VE, TAD420VE.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Standard-size piston\n \u003c\/li\u003e\n \u003cli\u003e\n  Correct combustion-bowl and ring-groove design\n \u003c\/li\u003e\n \u003cli\u003e\n  One piston required per cylinder\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Four-cylinder turbocharged industrial diesel\n \u003c\/li\u003e\n \u003cli\u003e\n  Listed by Volvo Penta as the piston kit in its overhaul kits\n \u003c\/li\u003e\n \u003cli\u003e\n  4 off in overhaul kit 3809772 (TD420VE, TAD420VE)\n \u003c\/li\u003e\n \u003cli\u003e\n  Used in overhaul kits: 3809772 x4 (TD420VE, TAD420VE)\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Receives combustion pressure and transfers force through the connecting rod to the crankshaft.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Piston slap\n \u003c\/li\u003e\n \u003cli\u003e\n  Cracked crown or skirt\n \u003c\/li\u003e\n \u003cli\u003e\n  Broken ring lands\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  Measure the bore or liner and check it against the piston, using the size and class markings and the tolerances given in the workshop manual for your engine; pistons and bores are matched, and a worn bore needs attention before a new piston goes in\n \u003c\/li\u003e\n \u003cli\u003e\n  Fit rings with the marked face up and the gaps staggered as the manual specifies, use a proper ring compressor, and oil the piston, rings and bore before entering them\n \u003c\/li\u003e\n \u003cli\u003e\n  Observe the orientation markings on the piston and the pairing marks between piston and connecting rod so each assembly goes back in its own cylinder the right way round\n \u003c\/li\u003e\n \u003cli\u003e\n  Use new pin retaining clips or circlips, check the pin fit and the rod bearing shells, and confirm the piston moves freely on the pin as the manual describes\n \u003c\/li\u003e\n \u003cli\u003e\n  Where the manual calls for a piston protrusion or crown height check to select the gasket, carry it out before final assembly; then turn the engine over by hand to confirm free movement before starting\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta's overhaul kits call for 4 off of this part\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  21305007 → Supersedes 20460013\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  20460013 earlier number superseded by this part\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  Olsson Parts 41056 standard piston for references 20460013 and 21305007\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":53385702703396,"sku":"343601P","price":748.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_095b8ec0-e50f-43bb-9382-5711aae39b3d.jpg?v=1788060709","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21305007-piston-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}