Land Rover Discovery 3 L319 Belt Tensioner Pulley 2.7 TDV6 4H2Q-6A228-BA

Land Rover Discovery 3 L319 Belt Tensioner Pulley 2.7 TDV6 is a component from the Tensioners and pulleys category, responsible for the stable guidance of the accessory belt in the 2.7 TDV6 diesel engine. This used, original tensioner pulley ensures proper belt tension, which translates into the correct operation of key engine accessory components.

Specifications and technical data

• SKU: PQG500260-1
• Mark: Land Rover
• Condition: Used
• OEM Part Number: PQG500260
• Substitutable numbers: PQG500260, 4H2Q-6A228-BA, 4H2Q6A228BA, 1342047
• Part type: Timing Belt Tensioner
• Category: Tensioners & Pulleys

Function and application in the 2.7 TDV6 engine

The belt tensioner pulley in the 2.7 TDV6 unit is responsible for maintaining a stable belt path and compensating for belt stretching during operation. A correctly selected component from this group:

• ensures appropriate accessory belt tension under various engine loads,
• reduces belt slippage, which promotes smooth operation of accessories,
• minimizes noise and vibrations in the auxiliary drive system,
• reduces the risk of failures resulting from improper belt guidance.

Thanks to the use of a component matched to the design of the 2.7 TDV6 engine, the accessory drive system maintains stability under typical road and off-road conditions encountered by the Discovery 3 L319.

Benefits of using an original tensioner pulley

The original belt tensioner pulley designed for the Land Rover Discovery 3 L319 has been engineered for the specific geometry of the belt system and the engine's operating characteristics. This translates into a number of practical advantages:

• Precise fit to the factory mounting and belt routing system, with no modifications required.
• Consistency with factory tensioner operating parameters, which facilitates maintaining stable tension across the entire RPM range.
• Compatibility with factory accessory components, such as the alternator or power steering pump, which promotes even bearing load.
• Possibility of verification by OEM part number and interchangeable numbers, which facilitates the selection of the correct component for a specific vehicle configuration.

Choosing an original component from the Tensioners and pulleys group allows you to maintain the drive system's operating characteristics in accordance with the vehicle manufacturer's specifications.

Characteristics of the used component

The presented belt tensioner pulley is a used item, meaning it has been removed from a vehicle and was previously in service. This type of part is a good solution in situations where:

• maintaining the original specification at an optimal repair cost is important,
• a component with factory geometry and fit is sought,
• the ability to perform a quick replacement without the need for system adaptation is important.

When selecting a used tensioner pulley, it is worth paying attention to compliance with manufacturer markings and fitment for the specific 2.7 TDV6 engine version used in the Discovery 3 L319.

Selection and integration with the accessory system

To ensure proper cooperation of the tensioner pulley with other accessory components, it is recommended to:

• verify compatibility by OEM part number and reference numbers,
• check the condition of the accessory belt and other guide pulleys,
• inspect the tensioner's operation for smooth movement and the absence of excessive play.

This approach allows you to maintain the consistency of the entire accessory drive system and reduce the risk of secondary faults resulting from uneven belt tension.

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other components from the same group, such as additional guide pulleys, complete tensioners, or belt guides, check the available parts in the Land Rover Tensioners and pulleys category.

Technical support and accessory system diagnostics

In case of charging problems, flickering warning lights, or unstable accessory operation, it is worth looking at the entire belt drive system – from pulleys and the tensioner to the alternator. Additional information on when it is worth opting for a component from the secondary market is provided in the article When is it worth replacing an alternator with a used one: a practical guide for drivers, which helps to better understand the relationship between the condition of accessories and symptoms during daily use.