21231192 Pipe | Genuine Volvo Penta Part

🔧 Product Description

A rigid crankcase-breather pipe used on early Volvo Penta D13B-F marine generating-set engines. It forms part of the oil-separator and crankcase-ventilation circuit up to the applicable engine serial break.

🚤 Compatibility

Typically suits:

• Volvo Penta D13B-A MP
• Volvo Penta D13B-H MP
• Volvo Penta D13B-G MP
• Volvo Penta D13B-E MG
• Volvo Penta D13B-E MG (FE)
• Volvo Penta D13B-E MH
• Volvo Penta D13B-E MH (FE)
• Volvo Penta D13B-F MG
• Volvo Penta D13B-F MG (FE)
• Volvo Penta D13B-B MP
• Volvo Penta D13B-D MP
• Volvo Penta D13B-C MP

• Engine Family: D

⚙️ Key Features

• Used in early D13B-F MG crankcase-breather systems
• Correct formed routing and mounting points
• Direct replacement where part number 21231192 is specified
• Engine type: D13 inline-six turbocharged generating-set diesel

🔌 Function

Carries crankcase vapour between the engine and oil-separator system.

⚠️ Common Signs of Failure

• Oil mist around the pipe
• Cracking or leakage at brackets
• Increased crankcase pressure
• Breather fumes in the engine room
• Oil leakage from engine seals

🛠️ Service Notes

• Offer the pipe up and check it reaches both connections freely before you tighten anything — a rigid pipe pulled into place is a pipe left under permanent strain, and strained pipes crack at the fittings in service
• Renew the sealing washers, O-rings or union seals that go with the pipe rather than reusing the old ones, and make sure the seats, faces and threads are clean
• Keep the ends capped while you work and blow or flush a pipe through before fitting; anything left inside goes straight into the oil, fuel or coolant system
• Tighten unions and banjo bolts evenly to the figures in the workshop manual for your engine — overtightening distorts the seat and starts the leak you were trying to cure
• Refit every clip and support bracket in its original place and keep the pipe clear of hot or moving parts so it cannot chafe or be shaken to failure

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 21122541 - oil separator
• 21241114 - related ventilation pipe
• 20580933 - hose
• 21274017 - hose
• 21274024 - adapter

📦 Condition

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