{"product_id":"21146146-return-line-genuine-volvo-penta","title":"21146146 Return Line | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Brand-new genuine Volvo Penta lower\/companion turbocharger oil-return line used in the TAD720VE inlet and exhaust system. It forms part of the two-piece drain arrangement beneath turbochargers 20460372\/3802179 and 20571676\/3802190, allowing hot oil to return to the crankcase by gravity.\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 TD720VE PP\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD720VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD721VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD722VE\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   Serial Range:\n  \u003c\/strong\u003e\n  SN01099469-\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  Lower\/companion section of the two-piece turbo oil drain\n \u003c\/li\u003e\n \u003cli\u003e\n  Factory-formed route and flange orientation\n \u003c\/li\u003e\n \u003cli\u003e\n  Works with retainer 20405789, O-ring 20405822 and gasket 20405790\n \u003c\/li\u003e\n \u003cli\u003e\n  Correct downward fall prevents oil pooling in the turbocharger\n \u003c\/li\u003e\n \u003cli\u003e\n  Line only; seals, retainer and fasteners are separate\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta 7-litre industrial diesel\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Drains lubricating oil from the turbocharger bearing housing back to the engine sump without restriction.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Oil leakage at the return-line joints\n \u003c\/li\u003e\n \u003cli\u003e\n  Blue smoke from oil backing up in the turbocharger\n \u003c\/li\u003e\n \u003cli\u003e\n  Coked or blocked drain passage\n \u003c\/li\u003e\n \u003cli\u003e\n  Cracks caused by vibration\n \u003c\/li\u003e\n \u003cli\u003e\n  Turbocharger seal leakage\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  Renew the sealing washers, O-rings or gaskets at each end rather than reusing them, and check the union faces are clean and unmarked\n \u003c\/li\u003e\n \u003cli\u003e\n  Fit the line without pulling it into place; a return line that has to be strained to line up will crack or chafe through in service\n \u003c\/li\u003e\n \u003cli\u003e\n  Keep the original routing, clips and protective sleeving so the line stays clear of hot and moving parts and cannot rub\n \u003c\/li\u003e\n \u003cli\u003e\n  Do not kink a line, and do not straighten and re-bend a formed metal one — cap the open ends while the system is apart so no dirt gets in\n \u003c\/li\u003e\n \u003cli\u003e\n  Tighten the unions to the figures given in the workshop manual for your engine, then run up and check both ends for weeps before closing the access\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  21146146 → Supersedes 20450977\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  20450977 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  Companion return line 21146075\n \u003c\/li\u003e\n \u003cli\u003e\n  Turbocharger 20460372 \/ 3802179\n \u003c\/li\u003e\n \u003cli\u003e\n  Turbocharger 20571676 \/ 3802190\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  VOE21146146\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":53380996464932,"sku":"757810P","price":180.21,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_6b1a752f-491b-458c-b3e7-ea78d91fbdc8.jpg?v=1777127994","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21146146-return-line-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}