Coolant Hose 104123735 – Engine to Tank for 3.0L I6 Land Rover

Keep your 3.0L inline-six running cool with this genuine engine-to-expansion tank coolant hose (104123735). Designed to manage coolant flow between the engine, radiator, and expansion tank, this hose is critical for maintaining proper temperature and preventing overheating.

Whether you're dealing with a cracked hose or doing preventative maintenance, this genuine part ensures a factory fit and dependable seal.

Fits 3.0L I6 Engines on:

• New Defender

• New Discovery

• Range Rover (2013–2021)

• Range Rover Sport (2014–2022)

Part Number: 104123735

Frequently Asked Questions

Q: Will this fit my 2021 Defender 3.0L?
A: Yes, this hose is designed specifically for Land Rover’s 3.0L inline-six engines.

Q: Is this an OEM part?
A: Yes, this is a genuine Land Rover hose—direct-fit with correct bends and connectors.

Q: What does this hose connect?
A: It routes coolant from the engine and radiator to the expansion tank and bleed port.

Q: Why replace this hose?
A: Age, heat, and pressure can cause cracking or leaks. Replacing it ensures proper cooling.