Land Rover Discovery 4 L319 Auxiliary Water Pump FW93-8501-AB LR061982

Land Rover Discovery 4 L319 Auxiliary Water Pump is a specialized cooling system component designed for vehicles with gasoline engines. As a part of the Water pumps group, it supports the circulation of coolant in critical areas of the engine and auxiliary equipment, stabilizing the operating temperature of the power unit and improving operational comfort.

Specifications and technical data

• SKU: LR061982
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR061982
• Substitutable numbers: LR061982, FW93-8501-AB, FW938501AB
• Fuel type: Petrol
• Part type: Engine Water Pump
• Category: Water Pumps

Purpose and function in the cooling system

The auxiliary water pump in the Discovery 4 L319 works in conjunction with the main pump to ensure a more uniform flow of coolant in the gasoline engine. This is particularly important under high thermal loads, frequent city driving, and idling, when the natural flow of the liquid is restricted.

Using a dedicated auxiliary pump allows for:

• more efficient heat dissipation from the power unit and auxiliary equipment,
• more stable engine operating conditions across a wide RPM range,
• reduced risk of localized overheating in the cooling circuit.

Compatibility with Land Rover Discovery 4 L319

The presented auxiliary water pump has been designed with the cooling system architecture of the Land Rover Discovery 4 L319 gasoline engine in mind. The appropriate connection ports, body geometry, and mounting points are adapted to the factory installation, which facilitates assembly and reduces the need for cooling system modifications.

By maintaining the original coolant flow concept, replacing a worn component with this model allows for the restoration of proper system operating parameters without interfering with other components.

Operational characteristics

As a component intended for gasoline engines, the pump is adapted to the typical operating conditions of this unit – different thermal characteristics than in diesel engines and a different load profile. The design supports:

• stable cooling during long-term driving at higher speeds,
• maintaining the appropriate temperature during frequent engine starts and stops,
• proper cooperation with the interior heating system, which uses the thermal energy of the coolant.

Selecting the correct auxiliary water pump has a direct impact on the durability of the power unit, the tightness of the cooling system, and the comfort of using the vehicle in various road conditions.

Condition and service application

The offered auxiliary water pump is a used component, making it an attractive solution for service repairs where cost optimization is a priority while maintaining compliance with factory specifications. This type of part is suitable both for the planned replacement of a worn component and for diagnosing problems with the coolant circulation, such as unstable engine operating temperature or limited heating efficiency.

Technical support and selection by numbers

The auxiliary water pump has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification of the component and minimizes the risk of selecting an unsuitable part. In case of doubt, it is worth verifying compatibility by the VIN or by consulting service documentation to ensure full compatibility with a specific version of the Discovery 4 L319.

To better understand the relationships between pumps, the fuel system, and engine thermal load, as well as the correct selection of parts by OEM numbers, the following article may be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Related products from the same group

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other elements from the same group, such as main coolant pumps, auxiliary circulation modules, or other cooling system components, check the available parts in the Land Rover Water pumps category.