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Dorman 603-759 Engine Coolant Reservoir
Overview of Dorman Engine Coolant Reservoir for Land Rover
The Dorman 603-759 engine coolant reservoir is designed specifically for Land Rover LR3, LR4, and Range Rover Sport models. This clear plastic reservoir includes a spring loaded twist cap and a level sensor, ensuring reliable coolant management for your vehicle's engine cooling system.
- Material: Durable clear plastic construction
- Dimensions: 12 inches length, 14 inches height
- Capacity: 1.5 liters
- Includes spring loaded twist cap with 29 psi maximum pressure rating
- Equipped with a level sensor for accurate coolant monitoring
- Mounting holes: 3 (mounting hardware and brackets not included)
- Pressurized reservoir compatible with Land Rover cooling systems
Detailed Product Description
The Dorman 603-759 engine coolant reservoir is engineered to meet the specifications of Land Rover LR3, LR4, and Range Rover Sport vehicles. Constructed from clear plastic, it allows for easy visual inspection of coolant levels. The irregular shape is designed to fit precisely within the engine bay, utilizing three mounting holes for secure installation. This reservoir is pressurized and comes with a spring loaded twist cap rated for a maximum pressure of 29 psi, helping maintain optimal coolant system pressure. Additionally, the included level sensor provides accurate coolant level readings to prevent overheating and engine damage.
Common Applications and Problem Resolution
- Replacement for cracked or leaking coolant reservoirs in Land Rover LR3, LR4, and Range Rover Sport
- Solves coolant overflow and loss issues caused by faulty or damaged reservoirs
- Addresses inaccurate coolant level readings due to sensor failure
- Prevents engine overheating by maintaining proper coolant pressure
- Restores proper coolant containment and system integrity
Installation Notes and Tips
Before installation, ensure the engine is cool to avoid injury from hot coolant. This reservoir includes the cap and level sensor but does not come with mounting hardware or brackets, so retain or source compatible mounting components. Align the reservoir using the three mounting holes and secure it firmly to prevent movement. Verify the level sensor connection is properly seated to ensure accurate coolant monitoring. After installation, refill the coolant system and check for leaks under pressure.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-759 engine coolant reservoir undergoes quality inspections to ensure durability and performance in Land Rover LR3, LR4, and Range Rover Sport vehicles. Warranty coverage details can be obtained from the product documentation or Dorman directly, providing confidence in the part's reliability.
| Brand | Dorman |
| Part Number | 603-759 |
| Cap Included | Yes |
| Cap Maximum Pressure Rating | 29 |
| Cap Type | Spring Loaded Twist |
| Capacity | 1.5 L |
| Color | Clear |
| Height | 14 |
| Length | 12 |
| Level Sensor Included | Yes |
| Material | Plastic |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Coolant Reservoir; 1 Cap; 1 Level Sensor |
| Pressurized | Yes |
| Shape | Irregular |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2016 | Land Rover | LR4 | N/A | |
| 2015 | Land Rover | LR4 | N/A | |
| 2014 | Land Rover | LR4 | N/A | |
| 2013 | Land Rover | LR4 | N/A | |
| 2013 | Land Rover | Range Rover Sport | N/A | |
| 2012 | Land Rover | LR4 | N/A | |
| 2012 | Land Rover | Range Rover Sport | N/A | |
| 2011 | Land Rover | LR4 | N/A | |
| 2011 | Land Rover | Range Rover Sport | N/A | |
| 2010 | Land Rover | LR4 | N/A | |
| 2010 | Land Rover | Range Rover Sport | N/A | |
| 2009 | Land Rover | LR3 | N/A | |
| 2009 | Land Rover | Range Rover Sport | N/A | |
| 2008 | Land Rover | LR3 | N/A | |
| 2008 | Land Rover | Range Rover Sport | N/A | |
| 2007 | Land Rover | LR3 | N/A | |
| 2007 | Land Rover | Range Rover Sport | N/A | |
| 2006 | Land Rover | LR3 | N/A | |
| 2006 | Land Rover | Range Rover Sport | N/A | |
| 2005 | Land Rover | LR3 | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.