{"product_id":"21252233-piston-ring-kit-genuine-volvo-penta","title":"21252233 Piston Ring Kit | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n A genuine Volvo Penta standard-size piston-ring kit for one 101mm-bore Deutz-derived D4D \/ D6H engine piston. The three-ring pack restores combustion sealing, oil control and heat transfer for one cylinder. Four kits are required for a four-cylinder D4D \/ TAD420 engine and six kits for a six-cylinder TAD650 \/ D6H engine. Ring widths are approximately 2.5mm top, 2.0mm second and 3.0mm oil-control.\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 TD420VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD650VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD420VE\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  TD, TAD\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   HP Range:\n  \u003c\/strong\u003e\n  Approximately 100-220 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 \u003cli\u003e\n  \u003cstrong\u003e\n   Serial Range:\n  \u003c\/strong\u003e\n  SN10642781-\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 Volvo Penta standard 101mm piston-ring set\n \u003c\/li\u003e\n \u003cli\u003e\n  Three-ring pack for one piston\n \u003c\/li\u003e\n \u003cli\u003e\n  Approximate ring widths 2.5mm \/ 2.0mm \/ 3.0mm\n \u003c\/li\u003e\n \u003cli\u003e\n  Four kits for four-cylinder engines; six for six-cylinder engines\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta 4- or 6-cylinder Deutz-derived turbocharged industrial diesel\n \u003c\/li\u003e\n \u003cli\u003e\n  4 used per assembly\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📋 Kit Contents\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21252233 top compression ring - 1\n \u003c\/li\u003e\n \u003cli\u003e\n  21252233 second compression \/ scraper ring - 1\n \u003c\/li\u003e\n \u003cli\u003e\n  21252233 oil-control ring assembly - 1\n \u003c\/li\u003e\n \u003cli\u003e\n  21252233 complete standard-size ring pack for one 101mm piston - 1 set\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta does not assign separate service numbers to the individual rings; all are supplied under kit number 21252233\n \u003c\/li\u003e\n \u003cli\u003e\n  Piston, pin, clips and cylinder liner are not included\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n The rings seal combustion pressure, scrape excess oil from the cylinder wall and transfer piston heat into the liner.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Compression and engine power are low\n \u003c\/li\u003e\n \u003cli\u003e\n  Crankcase blow-by or oil consumption increases\n \u003c\/li\u003e\n \u003cli\u003e\n  Blue smoke or oily exhaust deposits are present\n \u003c\/li\u003e\n \u003cli\u003e\n  Rings are broken, worn or carbon-stuck\n \u003c\/li\u003e\n \u003cli\u003e\n  Cylinder bore and piston ring-groove clearances exceed specification\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 end gap of each ring in the bore it will run in and compare it with the figure in the workshop manual for your engine; a worn or rebored cylinder changes it\n \u003c\/li\u003e\n \u003cli\u003e\n  Fit the rings the right way up — where a face is marked or the section is stepped, that face goes towards the piston crown, and an oil control ring's expander must be fitted without overlapping its own ends\n \u003c\/li\u003e\n \u003cli\u003e\n  Use a ring expander rather than levering rings on with a screwdriver, and open them only as far as they need to go; cast rings snap and the groove edges nick easily\n \u003c\/li\u003e\n \u003cli\u003e\n  Stagger the ring gaps round the piston as the manual for your engine directs, so that no two gaps line up\n \u003c\/li\u003e\n \u003cli\u003e\n  Oil the rings, bore and compressor lightly, enter the bore with a ring compressor, and never force the piston in — if it resists, back it out and find out why\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  21252233 → Supersedes 20482739\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  20850056 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  20482739 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  21797646 related reference\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D4D \/ D6H piston and 101mm cylinder-liner components\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  Kolbenschmidt: 800057310000\n \u003c\/li\u003e\n \u003cli\u003e\n  MAHLE: 099 RS 00137 0N0 \/ 10191N0 - verify piston revision\n \u003c\/li\u003e\n \u003cli\u003e\n  Mahle: 10191N0\n \u003c\/li\u003e\n \u003cli\u003e\n  Goetze Engine: 08-127900-00\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  NE: 120015005900\n \u003c\/li\u003e\n \u003cli\u003e\n  Sync Parts: 01-1422\n \u003c\/li\u003e\n \u003cli\u003e\n  VolvoKits: PRK-739\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":53379286597924,"sku":"924296B","price":212.29,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_e7b6e1fd-e5ab-4b60-a215-c7228f939daa.png?v=1788055836","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21252233-piston-ring-kit-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}