LR123725 | Cooling System Hose - 3.0L | Range Rover models, Discovery, Defender
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To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: LR123725 - Cooling System Hose
LR123725 is a cooling system hose fitted to the engine cooling system on 3.0L AJ20P6 petrol and AJ20D6 diesel engines. It routes coolant between cooling components to help maintain correct engine operating temperature; hoses should be inspected for leaks, cracking, swelling or other deterioration and replaced if found damaged.
Compatibility
- Discovery 5 (2017-) - 3.0L AJ20D6 diesel, standard engine cooling - From VIN M2000001
- Discovery 5 (2017-) - 3.0L AJ20D6 diesel, extra engine cooling - From VIN M2000001
- Discovery 5 (2017-) - 3.0L AJ20P6 petrol - From VIN M2000001
- Discovery 5 (2017-) - 3.0L AJ20D6 diesel, less engine cooling - From VIN P2000001
- New Defender (2020-) - 3.0L AJ20P6 petrol - From VIN L2000001
- New Defender (2020-) - 3.0L AJ20D6 diesel, standard engine cooling - From VIN M2000001
- New Defender (2020-) - 3.0L AJ20D6 diesel, extra engine cooling - From VIN M2000001
- Range Rover (2013-2022) - 3.0L AJ20P6 petrol - From VIN KA000001
- Range Rover (2013-2022) - 3.0L AJ20D6 diesel, extra engine cooling - From VIN LA000001
- Range Rover (2013-2022) - 3.0L AJ20D6 diesel, 8-speed ZF 8HP76, standard engine cooling - From VIN LA000001
- Range Rover Sport (2014-2022) - 3.0L AJ20P6 petrol - From VIN KA000001
- Range Rover Sport (2014-2022) - 3.0L AJ20D6 diesel, extra engine cooling - From VIN LA000001
- Range Rover Sport (2014-2022) - 3.0L AJ20D6 diesel, 8-speed ZF 8HP76, standard engine cooling - From VIN LA000001
Frequently Asked Questions
LR123725 is a coolant hose that connects components within the engine cooling circuit on 3.0L AJ20P6 petrol and AJ20D6 diesel engines. It carries coolant under pressure between the radiator, water pump and related parts to help regulate engine temperature. Hoses should be inspected during routine servicing for leaks, softening or external damage.
| Model | Variant |
|---|---|
| Land Rover Discovery 5 (2017-) | 3.0L AJ20D6 diesel, standard engine cooling - From VIN M2000001 |
| Land Rover Discovery 5 (2017-) | 3.0L AJ20D6 diesel, extra engine cooling - From VIN M2000001 |
| Land Rover Discovery 5 (2017-) | 3.0L AJ20P6 petrol - From VIN M2000001 |
| Land Rover Discovery 5 (2017-) | 3.0L AJ20D6 diesel, less engine cooling - From VIN P2000001 |
| Land Rover New Defender (2020-) | 3.0L AJ20P6 petrol - From VIN L2000001 |
| Land Rover New Defender (2020-) | 3.0L AJ20D6 diesel, standard engine cooling - From VIN M2000001 |
| Land Rover New Defender (2020-) | 3.0L AJ20D6 diesel, extra engine cooling - From VIN M2000001 |
| Land Rover Range Rover (2013-2022) | 3.0L AJ20P6 petrol - From VIN KA000001 |
| Land Rover Range Rover (2013-2022) | 3.0L AJ20D6 diesel, extra engine cooling - From VIN LA000001 |
| Land Rover Range Rover (2013-2022) | 3.0L AJ20D6 diesel, 8-speed ZF 8HP76, standard engine cooling - From VIN LA000001 |
| Land Rover Range Rover Sport (2014-2022) | 3.0L AJ20P6 petrol - From VIN KA000001 |
| Land Rover Range Rover Sport (2014-2022) | 3.0L AJ20D6 diesel, extra engine cooling - From VIN LA000001 |
| Land Rover Range Rover Sport (2014-2022) | 3.0L AJ20D6 diesel, 8-speed ZF 8HP76, standard engine cooling - From VIN LA000001 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Inspect cooling hoses at every service and replace LR123725 immediately if there is evidence of leaking, cracking, softening, bulging or other deterioration. When in doubt, consult the vehicle handbook or a qualified technician.
- L8 products are genuine Land Rover parts.
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