20511321 Breather Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Breather Pipe - Part Number: 20511321

This genuine Volvo Penta breather pipe is an OEM service component used in the Crankcase Ventilation Breather Pipe. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 4-litre TAD4 industrial diesel application. Technical identification: Crankcase-ventilation breather pipe used with the oil separator/pressure-regulator assembly. In service, it routes crankcase vapour, separated oil mist or trapped air through the specified ventilation circuit so pressure remains controlled and fluid flow is not interrupted. Selection must be confirmed by OEM part number 20511321, the exact model/product number, serial number and installed assembly configuration.

⚙️ Key Features

• Genuine Volvo Penta OEM breather pipe

• OEM part number 20511321

• Documented application: Crankcase Ventilation Breather Pipe

• Validated engine/application family: Volvo Penta 4-litre TAD4 industrial diesel

• Technical distinction: Crankcase-ventilation breather pipe used with the oil separator/pressure-regulator assembly

• Primary function: Routes crankcase vapour, separated oil mist or trapped air through the specified ventilation circuit so pressure remains controlled and fluid flow is not interrupted.

• Install without twist or preload, renew the specified seals/clamps, preserve the original routing and pressure- or leak-test the circuit after assembly.

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20511321 (current/original OEM service reference)

OEM / Related Numbers:

• 20511321

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Crankcase Ventilation Breather Pipe

Typically suits:

• Engine / product models:

• TAD420VE

• Engine / Application Family: Volvo Penta 4-litre TAD4 industrial diesel

• Serial / Configuration Note: Confirm breather routing, connected separator/housing and engine serial number.

🔌 Function

Routes crankcase vapour, separated oil mist or trapped air through the specified ventilation circuit so pressure remains controlled and fluid flow is not interrupted. Install without twist or preload, renew the specified seals/clamps, preserve the original routing and pressure- or leak-test the circuit after assembly.

Common signs of failure:

• Excessive crankcase pressure or oil pushed from seals and dipstick

• Oil mist, wetness or leakage around the breather assembly

• Blocked pipe or separator causing unstable ventilation

• Increased oil consumption or smoke caused by oil carry-over

• Cracked, hardened, collapsed or poorly retained breather pipe

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging