21621721 Pipe Set | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Cabin Air-Heater Coolant Pipe Set - Part Number: 21621721

A matched pipe set used to route hot engine coolant to and from the Volvo Penta cabin air-heater range.

⚙️ Key Features

• Matched heater supply and return pipes

• Designed for Volvo Penta 5kW and 10kW air heaters

• Correct pipe lengths and connection geometry

• Supports 16mm heater water connections

• Engine-room and cabin-heating installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• Current OEM reference: 21621721

OEM / Related Numbers:

• 21621721

• 21621751 - 12V 5kW air heater

• 21621752 - 24V 5kW air heater

• 21621753 - 12V 10kW air heater

• 21621754 - 24V 10kW air heater

• 21621755 - 12V 10kW air heater with 60mm outlets

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

• Volvo Penta hot-water cabin-heater installations using air heaters 21621751-21621755

• Pipe route and vessel installation must match

🔌 Function

The pipe set carries hot engine coolant through the cabin-heater heat exchanger and returns cooled fluid to the engine circuit.

Common signs of failure or damage:

• Coolant leakage

• Corrosion or damaged pipe ends

• Restricted heater flow

• Cabin heater producing little heat

• Air trapped in the heater circuit

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging