20405916 Flange | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Turbocharger Oil Return Flange - Part Number: 20405916

Genuine Volvo Penta flange used at the lower turbocharger oil-return connection on TD720GE and TAD730-TAD733 engines. It is installed with gasket 20405969 and secured by four flange screws 20405874.

⚙️ Key Features

• Machined turbocharger drain flange

• Used with gasket 20405969

• Secured with four flange screws 20405874

• Located beside the turbo oil-return baffle and retainer hardware

• Maintains an unrestricted gravity oil-drain path

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20405916 - current Volvo Penta turbo oil-return flange reference

OEM / Related Numbers:

• 20405969 - flange gasket

• 20405874 - four flange screws

• 20412330 - related baffle

• 20523051 / 20500640 - related oil-return pipes

• 20500295 / 3802178 - related turbocharger references

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D7 low-mounted turbocharger lubrication systems

Typically suits:

• Engine / equipment models:

• TD720GE

• TAD730GE

• TAD731GE

• TAD732GE

• TAD733GE

• Engine Type: Volvo Penta 7-litre turbocharged industrial diesel

• Year / Serial Range: Turbocharger and return-pipe configuration dependent

🔌 Function

Connects and seals the turbocharger oil-return passage to the crankcase.

Common signs of failure:

• Engine-oil leakage at the flange

• Blue smoke caused by restricted turbo oil drainage

• Flange cracking or distortion

• Gasket repeatedly failing

• Oil-return pipe misalignment

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging