21541399 Sealing Ring | Genuine Volvo Penta Part

🔧 Product Description

A sealing ring used in the crankcase ventilation system of Volvo Penta TAD11 industrial engines. It seals the ventilation hose, separator or adapter joint against oil mist and crankcase-pressure leakage.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD1180-83VE
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD1150-52VE
• Volvo Penta TAD1140-42VE

• Engine Family: TAD

⚙️ Key Features

• Genuine Volvo Penta crankcase-ventilation seal
• Oil- and vapour-resistant elastomer
• Correct compressed profile for the original connection
• Suitable for the full TAD11 VE engine range listed below
• Replace whenever the ventilation joint is separated
• Engine type: 10.8 L inline-six turbocharged common-rail industrial diesel

🔌 Function

Seals the crankcase ventilation connection so blow-by gas follows the intended separator path without oil-mist leakage.

⚠️ Common Signs of Failure

• Oil mist around the breather connection
• External oil leakage
• Seal flattening, splitting or hardening
• Ventilation hose no longer seating securely

🛠️ Service Notes

• Always fit a new sealing ring rather than reusing the old one — a ring that has been compressed once has taken a set and will not seal reliably a second time
• Clean the groove or seat and check it for scoring, corrosion and old sealant before fitting; a mark across the sealing face will leak however good the ring is
• Ease the ring into place without stretching, twisting or dragging it over sharp edges or threads, and check it is seated squarely all the way round before closing the joint
• Do not add sealant or jointing compound unless the workshop manual for your engine calls for it, and tighten the joint or union to the figure given in that manual
• Check the joint for weeping once the engine has been run up to temperature and allowed to cool, as many sealing rings only show a leak after a heat cycle

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 22177423 - related pressure hose
• 22999842 and 22999818 - related separator references
• 22116011 - related adapter
• 968007 - related O-ring

📦 Condition

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