21274024 Adapter | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta adapter used in the crankcase-ventilation and oil-separator assembly on D13B-E MG (FE) engines. It joins the formed ventilation hose to the flange or pipe connection using the specified sealing ring.

🚤 Compatibility

• Engine Family: D

Full model list at the end of this description.

⚙️ Key Features

• Genuine Volvo Penta ventilation adapter
• Confirmed D13B-E MG (FE) application
• Connects hose 21274017 within the oil-separator circuit
• Correct sealing diameter and connection geometry
• Use with sealing ring 21532258 where specified
• Engine type: Volvo Penta D13 inline-six marine generating-set diesel

🔌 Function

Provides the sealed transition between the crankcase-ventilation hose and its mating flange or pipe.

⚠️ Common Signs of Failure

• Oil vapour or mist escaping at the adapter joint
• Oil weeping where the ventilation hose meets the flange
• Crankcase pressure rising if the joint is restricted or blocked
• Sealing ring found flattened, or the adapter cracked or oil-soaked, on removal

🛠️ Service Notes

• Use sealing ring 21532258 where specified rather than reusing the old seal
• Connects hose 21274017, so inspect that hose for softening at the same time

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 21274017 - crankcase-ventilation hose
• 21122541 - oil separator
• 3849250 - flange
• 21532258 - sealing ring
• 21750225 - associated pipe references
• 78467410 - associated pipe references

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D13C4-B MH, D13C1-B MH, D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-A MP, D13B-H MP, D13B-G MP, D13B-L MP, D13B-E MG, D13B-E MG (FE), D13B-E MH, D13B-E MH (FE), D13B-F MG, D13B-F MG (FE), D13B-K MP, D13B-N MH, D13B-N MH (FE), D13B-B MP, D13B-D MP, D13B-J MP, D13B-M MP, D13B-C MP, D13C4-B MP, D13C5-B MP, D13C6-A MP, D13C1-A MH, D13C2-A MH, D13C1-B MG, D13C3-B MG, D13C2-B MG, D13C4-B MG, D13C5-A MP, D13C2-A MG, D13C1-A MG, D13C8-B MP