# 21274024 Adapter | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D13B-E MG Oil-Separator Hose Adapter - Part Number: 21274024

  

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.

  

⚙️ 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

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21274024 (current listed OEM reference)

  

OEM / Related Numbers:

  

• 21274017 - crankcase-ventilation hose

• 21122541 - oil separator

• 3849250 - flange

• 21532258 - sealing ring

• 21750225 / 78467410 - associated pipe references

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D13B-E MG (FE) crankcase-ventilation system

  

Typically suits:

  

• Engine models:

• D13B-E MG (FE)

  

• Serial / Specification Control: Ventilation-system revision and engine serial number control fitment.

• HP Range: Approximately 294 kW / rating dependent

• Engine Type: Volvo Penta D13 inline-six marine generating-set diesel

• Year Range: D13B-E MG (FE) production; serial controlled

  

🔌 Function

  

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

  

Common signs of failure:

  

• Fluid, air or exhaust leakage at the joint

• Oil, coolant, soot or dust tracking around the sealing face

• Visible tearing, crushing, hardening or delamination

• Repeated loosening or contamination after reassembly

• Damage discovered whenever the joint is dismantled

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 158.43 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 158.43 AUD | In stock |

## Images

- 21274024 Adapter | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21274024-adapter-genuine-volvo-penta)
> Updated: 2026-08-02