# 22387445 Water Pipe | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Air-Compressor Cooling-Water Pipe - Part Number: 22387445

  

This genuine Volvo Penta air-compressor cooling-water pipe is used in the following application: Volvo Penta heavy-duty diesel air-compressor cooling circuits. Carries engine coolant through the air-compressor cooling jacket to control compressor temperature and protect valves, seals and lubricating oil.

Fitment is controlled by the complete part number and the listed engine or system configuration; confirm the serial number and schematic position before installation.

  

⚙️ Key Features

  

• Rigid coolant pipe for the compressor circuit

• Correct banjo, flange or union geometry

• Maintains coolant flow around the compressor

• Designed for engine vibration and thermal cycling

• Renew sealing rings at disturbed connections

• Genuine Volvo Penta OEM service component

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 22387445 - Current Volvo Penta OEM reference

  

OEM / Related Numbers:

  

• 21931626 - associated air compressor

• 21735437 - associated compressor gear

• 21806059 - associated pressure hose

• 22702100 - associated pressure hose

• 1677370 - associated sealing ring

• 973950 - associated hollow screw

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta heavy-duty diesel air-compressor cooling circuits

  

Typically suits:

  

• Engine models / applications:

• Engine installations using air compressor 21931626 and water pipe 22387445

• Engine Family: Volvo Penta heavy-duty turbocharged diesel with engine-mounted air compressor

• HP Range: Application dependent

• Year Range: Confirm air-compressor number, engine model and serial number.

• Serial / Configuration Note: Match the hollow screw 973950, sealing ring 1677370 and the associated pressure hoses. Renew sealing rings whenever a banjo-type connection is disturbed.

  

🔌 Function

  

Carries engine coolant through the air-compressor cooling jacket to control compressor temperature and protect valves, seals and lubricating oil.

  

Common signs of failure or replacement need:

  

• Coolant leakage around pipe unions or hollow screw

• Corrosion, pitting or fatigue crack in the rigid pipe

• Compressor running abnormally hot

• Coolant loss with no obvious radiator leak

• Restricted pipe from scale or debris

• Damage caused by unsupported vibration

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 116.78 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 116.78 AUD | In stock |

## Images

- 22387445 Water Pipe | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/22387445-water-pipe-genuine-volvo-penta)
> Updated: 2026-08-04