Land Rover Discovery 3 L319 2.7 TDV6 Viscous Fan Pulley PQS500280 4H2Q8610BC

Visual condition of the part

The product shows signs of use visible in the photos.

Land Rover Discovery 3 L319 2.7 TDV6 Viscous Fan Pulley is an original component from the Tensioners and pulleys group, designed for the accessory drive system in the 2.7 TDV6 diesel engine. This used OEM part ensures proper cooperation with the drive belt, stable water pump operation, and maintenance of the cooling system's factory parameters.

Specifications and technical data

• SKU: PQS500280
• Mark: Land Rover
• Condition: Used
• OEM Part Number: PQS500280
• Substitutable numbers: PQS500280, 4H2Q8610BC
• Part type: Timing Belt Pulley
• Category: Tensioners & Pulleys

Purpose and function in the drive system

The water pump pulley in the 2.7 TDV6 engine is responsible for transferring drive from the accessory belt to the coolant pump. A correctly selected component from the Tensioners and pulleys group guarantees:

• stable belt guidance along the water pump's axis of operation,
• appropriate gear ratio between the crankshaft and the pump,
• reduced risk of belt slippage and noise in the drive system.

In the 2.7 TDV6 engine, this has a direct impact on cooling efficiency, and consequently, on the durability of the power unit during off-road driving and under high-load conditions.

Advantages of using an original Land Rover component

Using an original pulley dedicated to the Discovery 3 L319 allows for maintaining factory belt routing geometry and proper fitment with other drive components. As a result:

• you reduce the risk of premature accessory belt wear,
• you maintain correct water pump operation across the full RPM range,
• you minimize the possibility of vibrations and unwanted noises.

For off-road and fleet users, the repeatability of operating parameters provided by a part designed according to the vehicle manufacturer's specifications is particularly important.

Characteristics of the used part

The presented pulley comes from disassembly and is offered as a used part. This solution allows you to combine the original origin of the component with a more favorable purchase cost compared to a new replacement. For many Land Rover Discovery 3 users, this is a reasonable compromise between quality and service budget.

Before installation, it is recommended to perform a standard verification of the condition of the working surfaces and the correctness of the seating on the hub, so that the accessory drive system can operate in a predictable and safe manner.

Integration with the cooling and accessory system

The water pump pulley works with other drive elements, such as guide pulleys, tensioners, and other pulleys. Proper selection of all components is crucial for:

• maintaining correct belt tension,
• ensuring proper coolant flow through the system,
• stable operation of engine accessories over a long service life.

Thanks to this, the 2.7 TDV6 engine in the Discovery 3 L319 maintains predictable operating temperatures, which promotes the durability of major components.

Technical support and additional materials

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 guide pulleys, belt tensioners, or additional pulleys, check the available parts in the Land Rover Tensioners and pulleys category.

When planning service work, it is also worth paying attention to the condition of the charging system. If you observe unstable voltage, dimming lights, or flickering warning lights, the following practical guide may be helpful: When is it worth replacing an alternator with a used one: a practical guide for drivers.