{"product_id":"dorman-turbo-oil-return-line-904-140-2011-2016-6-6l-duramax-lml-lgh","title":"DORMAN TURBO OIL RETURN LINE 904-140 | 2011-2016 6.6L DURAMAX LML\/LGH","description":"\u003cp\u003eReplace a leaking, damaged, or corroded factory turbo oil return line on your 2011–2016 GM 6.6L Duramax with the Dorman Turbo Oil Return Line. Designed as a direct-fit, OE-style replacement, this vehicle-specific line connects the factory turbocharger oil passage to the engine and helps restore proper oil return function.\u003c\/p\u003e\n\n\u003cp\u003eThe original turbo oil return tube can deteriorate over time due to corrosion and exposure to harsh underhood conditions. Dorman addresses this with durable \u003cstrong\u003esteel construction and a nickel-coated finish\u003c\/strong\u003e designed to provide increased corrosion resistance and dependable service life.\u003c\/p\u003e\n\n\u003cp\u003eEngineered specifically for use with the factory turbocharger, the line features factory-style flanged connections for straightforward installation. Gaskets and mounting hardware are included, providing the components needed to replace the original return line and help prevent oil leaks.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-fit OE-style replacement\u003c\/strong\u003e – Designed to replace the original turbocharger oil return line\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory turbo compatibility\u003c\/strong\u003e – Engineered for use with the OEM turbocharger\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelps prevent oil leaks\u003c\/strong\u003e – Replaces worn, damaged, or corroded factory tubing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSteel construction\u003c\/strong\u003e – Provides dependable strength and durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNickel-coated finish\u003c\/strong\u003e – Provides added resistance against corrosion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle-specific design\u003c\/strong\u003e – Engineered for proper fitment on 2011–2016 GM 6.6L Duramax applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation hardware included\u003c\/strong\u003e – Supplied with gaskets, nuts, and bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Multi-Piece\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 0.92 ft.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd 1 Fitting Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd 2 Fitting Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Thread Diameter:\u003c\/strong\u003e 0.353\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLine Fitting Thread Diameter:\u003c\/strong\u003e 0.353\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInlet Fitting Type:\u003c\/strong\u003e Flanged Bracket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutlet Fitting Type:\u003c\/strong\u003e Flanged Bracket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Standard Replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Grade:\u003c\/strong\u003e Standard Replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment Type:\u003c\/strong\u003e Vehicle-Specific\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGaskets\/Seals Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Hardware Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Turbo Oil Return Line\u003c\/li\u003e\n  \u003cli\u003e2 Gaskets\u003c\/li\u003e\n  \u003cli\u003e2 Nuts\u003c\/li\u003e\n  \u003cli\u003e4 Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2011–2016 GM 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 904-140\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":54035484967195,"sku":"904-140","price":61.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-09-24at11.31.00AM.png?v=1790288568","url":"https:\/\/wwmperformance.com\/products\/dorman-turbo-oil-return-line-904-140-2011-2016-6-6l-duramax-lml-lgh","provider":"WWM Performance","version":"1.0","type":"link"}