Description
Overview:
The Heater Hose 16mm x 20m is a flexible, coolant‐resistant rubber hose for moving engine coolant between radiators, heater matrices and header tanks. It has a 16 mm internal diameter (5/8 inch) and comes in a 20 metre continuous length for workshop use or multiple repairs. The tough rubber construction handles temperatures from -40°C to +100°C, making it suitable for year‐round use. Supplied as a black, smooth‐cover hose, it is easy to route around engine bays and machinery frames and can be cut to length with standard tools. Suitable for cars, vans, light commercial vehicles, tractors, plant and garden machinery such as ride‐on mowers and compact generators. Identified by MPN 605 091.
Key Features:
- 16 mm (5/8 inch) internal diameter for common heater and bypass connections
- 20 m workshop length for multiple jobs and reduced waste
- Coolant‐resistant rubber for long service life with standard engine coolants
- Temperature range: -40°C to +100°C for cold starts and normal operating heat
- Flexible construction for routing around tight engine bays and frames
- Smooth black outer for easy cleaning and inspection
- Cut‐to‐length: trim with a sharp blade to suit the installation
- Compatible with typical barbed fittings and worm‐drive hose clips (not included)
- Suitable for radiator‐to‐heater matrix lines and return feeds
- Helps maintain stable engine temperatures and reliable cabin heat
Typical Applications:
Heater matrix feed and return lines, engine bypass hoses, header tank connections, cab heater and demister circuits, auxiliary heater plumbing, and general coolant transfer on cars, vans, tractors, compact construction plant, generators, and ride‐on lawn mowers where a 16 mm (5/8 inch) hose is specified.
Also known as:
Heater hose, radiator heater hose, coolant hose, engine coolant pipe, 16 mm water hose, 5/8 inch heater pipe, matrix hose, water bypass hose, engine heater line, automotive heater tubing.
Product Specifications
| L&S Part No. | 605 091 |
|---|---|
| Unit of Sale | 1 |
| Key Features | - 16 mm internal diameter for common heater connections - 20 m length for multiple repairs - Coolant-resistant rubber for long service life - Temperature range: -40°C to +100°C - Flexible for routing in tight spaces |


