20405625 Conduit Coupling | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Crankcase Ventilation Conduit Coupling - Part Number: 20405625

Genuine Volvo Penta conduit coupling connecting the oil separator to the breather hose in D5 crankcase-ventilation systems. It is used with oil separator 20405626 and hose 20405629.

⚙️ Key Features

• Crankcase-breather hose coupling

• Used between oil separator 20405626 and hose 20405629

• Confirmed on filtered and unfiltered D5 ventilation arrangements

• Maintains a sealed vapour and oil-mist path

• Requires the original hose fit and support bracket

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20405625 - current Volvo Penta conduit-coupling reference

OEM / Related Numbers:

• 20405626 - oil separator

• 20405627 - oil-separator gasket

• 20405629 - breather hose

• 20450726 / 20459260 - related support brackets

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D5 crankcase-ventilation systems

Typically suits:

• Engine / equipment models:

• TD520GE

• TAD530GE

• TAD531GE

• TAD532GE

• Engine Type: Volvo Penta 5-litre industrial diesel

• Year / Serial Range: Air-filter and breather-layout dependent

🔌 Function

Joins the oil separator to the breather hose while containing crankcase vapour and oil mist.

Common signs of failure:

• Oil mist around the coupling

• Loose or cracked connection

• Crankcase fumes escaping

• Hose repeatedly working loose

• Restricted breather flow

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging