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GatesPart #: 51991

Gates 51991 HVAC Heater Hose - Thermostat To Water Pump or Water Pump To Thermostat
⚙️ 36 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$25.80Free Shipping
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Water Pump To Thermostat and Thermostat To Water Pump
🚗Fitment: Land Rover, Defender 110, Defender 130, Defender 90, Discovery, LR4, Range Rover, and Range Rover Sport
🔄Easy Returns — Return within 60 days for a full refund
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Gates 51991 HVAC Heater Hose - Thermostat To Water Pump or Water Pump To Thermostat
| Brand | Gates |
| Part Number | 51991 |
| Position | Molded Coolant Hose, Water Pump To Thermostat and Thermostat To Water Pump |
| Material | Epdm |
| End 1 Inside Diameter | 1.5 |
| End 1 Inside Diameter | 38 |
| End 2 Inside Diameter | 1.5 |
| End 2 Inside Diameter | 38 |
| Contains Spring | No |
| Centerline Length | 197 |
| Centerline Length | 7.75 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| 9940 | No |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Land Rover | Defender 110 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2024 | Land Rover | Defender 130 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2024 | Land Rover | Defender 90 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2023 | Land Rover | Defender 110 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2023 | Land Rover | Defender 90 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2022 | Land Rover | Defender 110 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2022 | Land Rover | Defender 90 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2019 | Land Rover | Discovery | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2019 | Land Rover | Range Rover Sport | 3.0L | L6 | MILD HYBRID EV-GAS (MHEV) | Thermostat To Water Pump | Molded Coolant Hose |
| 2018 | Land Rover | Discovery | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2018 | Land Rover | Range Rover | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2018 | Land Rover | Range Rover Sport | 3.0L | V6 | GAS | Thermostat To Water Pump | Molded Coolant Hose |
| 2017 | Land Rover | Discovery | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2017 | Land Rover | Range Rover | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2017 | Land Rover | Range Rover Sport | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2016 | Land Rover | LR4 | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2016 | Land Rover | Range Rover | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2016 | Land Rover | Range Rover Sport | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2015 | Land Rover | LR4 | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2015 | Land Rover | Range Rover | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2015 | Land Rover | Range Rover Sport | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2014 | Land Rover | LR4 | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2014 | Land Rover | Range Rover | 3.0L | V6 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2014 | Land Rover | Range Rover Sport | 3.0L | V6 | FLEX | Water Pump To Thermostat | Molded Coolant Hose |
| 2013 | Land Rover | LR4 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2013 | Land Rover | Range Rover | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2013 | Land Rover | Range Rover Sport | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2012 | Land Rover | LR4 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2012 | Land Rover | Range Rover | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2012 | Land Rover | Range Rover Sport | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2011 | Land Rover | LR4 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2011 | Land Rover | Range Rover | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2011 | Land Rover | Range Rover Sport | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2010 | Land Rover | LR4 | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2010 | Land Rover | Range Rover | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
| 2010 | Land Rover | Range Rover Sport | 5.0L | V8 | GAS | Water Pump To Thermostat | Molded Coolant Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
51991F11589LR033994R14304URO013797
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.