{"product_id":"20405600-return-line-genuine-volvo-penta","title":"20405600 Return Line | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine Volvo Penta early turbocharger oil-return line used on TD520GE engines through serial number 942182. It is replaced by return line 20555279 from serial number 942182 onward.\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 TD520GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD520GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD520VE\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  Part has a unique replacement. The new part may be used in any case. The old part may only used for engines that were org. eq. with this part., SN-942182\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  Gravity-drain turbo oil-return line\n \u003c\/li\u003e\n \u003cli\u003e\n  Early design for TD520GE through SN 942182\n \u003c\/li\u003e\n \u003cli\u003e\n  Later replacement configuration uses 20555279 from SN 942182\n \u003c\/li\u003e\n \u003cli\u003e\n  Works with return line 20405791 and plane gasket 20405790\n \u003c\/li\u003e\n \u003cli\u003e\n  Must maintain unrestricted downhill oil drainage\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta 5-litre four-cylinder turbocharged 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 crankcase.\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 around the return pipe\n \u003c\/li\u003e\n \u003cli\u003e\n  Blue smoke from oil backing up in the turbo\n \u003c\/li\u003e\n \u003cli\u003e\n  Restricted or carboned drain passage\n \u003c\/li\u003e\n \u003cli\u003e\n  Cracked or distorted line\n \u003c\/li\u003e\n \u003cli\u003e\n  Turbo seal leakage caused by poor drainage\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  20405600 - early return line through SN 53851527\n \u003c\/li\u003e\n \u003cli\u003e\n  20555279 - later return line from SN 53851528\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  20405791 - companion return line\n \u003c\/li\u003e\n \u003cli\u003e\n  20405790 - plane gasket\n \u003c\/li\u003e\n \u003cli\u003e\n  20405822 - related O-rings\n \u003c\/li\u003e\n \u003cli\u003e\n  984734 - flange screws\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":53384166441252,"sku":"1284803","price":286.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_d745cf4f-809f-4715-9bd8-dff6ffac4d67.jpg?v=1788055903","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/20405600-return-line-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}