21651692 Oil Return Pipe | Genuine Volvo Penta Part

🔧 Product Description

Large-bore oil drain pipe used in the turbocharger system of Volvo Penta TAD761-TAD765VE engines. It returns oil from the turbocharger bearing housing to the crankcase by gravity and must remain unrestricted and correctly angled.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD765VE
• Volvo Penta TAD764VE
• Volvo Penta TAD763VE
• Volvo Penta TAD762VE
• Volvo Penta TAD761VE

• Engine Family: TAD

⚙️ Key Features

• Genuine Volvo Penta turbo oil drain pipe
• Full TAD761VE-TAD765VE application
• Original flange and pipe geometry
• Used with clamp 21651696 and spacer 21651722
• Heat-resistant rigid construction
• Engine type: Inline-six turbocharged industrial diesel

🔌 Function

Returns lubricating oil from the turbocharger to the engine crankcase without back pressure.

⚠️ Common Signs of Failure

• Oil leakage at the flange
• Blue smoke caused by restricted drain flow
• Coked or blocked return pipe
• Bent pipe or poor flange alignment
• Oil accumulation in the turbocharger housing

🛠️ Service Notes

• Always fit new gaskets, O-rings or sealing washers — these joints see hot oil and a reused seal rarely holds
• Check the pipe is clear before it goes back on; if the bore is coked or sludged, renew it rather than trying to clean it out, because a restricted return backs oil up and pushes it past seals
• Route the pipe so it runs downhill to its outlet with no kinks, sags or strain, and do not spring it into place to make the flanges meet
• Clean the sealing faces without scoring them, and tighten the flange or union fasteners evenly to the figure in the workshop manual for your engine — these often thread into alloy and strip easily
• Run the engine up to temperature afterwards and check the joints while hot, since a marginal seal will often only weep once everything has expanded

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• VOE21651692

Aftermarket / Verified Equivalents

• Double clamp: 21651696
• Spacer sleeve: 21651722
• Turbocharger: 21651786

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging