Land Rover Discovery 3 L319 Camshaft Pulley 2.7 V6 Diesel Left N/S 4U3Q-6K286-BA

Land Rover Discovery 3 L319 Camshaft Pulley 2.7 V6 Diesel Left N/S is a precision timing system component designed for 2.7 V6 diesel engines. It is responsible for stable belt guidance and proper interaction with other components, which directly impacts engine performance and durability. Thanks to its original design from the Tensioners and pulleys group, it ensures proper guidance in the left part of the timing system.

Specifications and technical data

• SKU: LR120557
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR120557
• Substitutable numbers: 4U3Q-6K286-BA, 4U3Q6K286BA, LR120557, 1324372
• Location on the vehicle: Left
• Fuel type: Diesel
• Part type: Timing Belt Pulley
• Category: Tensioners & Pulleys

Purpose and function in the timing system

The presented camshaft pulley has been designed specifically for the 2.7 V6 diesel engine installed in the Land Rover Discovery 3 L319 model. The component operates on the left side of the power unit, contributing to the complete timing belt path. A correctly selected pulley in this area is crucial for:

• maintaining proper tension and belt guidance in the left side area of the engine,
• stable synchronization of the crankshaft with other components,
• reducing vibration and noise in the timing system operation,
• maintaining the performance parameters of the diesel unit over a long service life. Thanks to its fitment for the specific 2.7 V6 diesel engine configuration, the pulley works with the factory Land Rover timing system without the need for modifications.

Compatibility and fitment for Land Rover Discovery 3 L319

The camshaft pulley has been developed for use in the Land Rover Discovery 3 L319, which translates into proper fitment with factory tensioners and pulleys. The appropriate tooth profile and mounting geometry allow for maintaining:

• proper interaction with the timing belt in the diesel engine,
• compatibility with factory mounting points on the left side of the unit,
• stable operation across the full range of loads typical for off-road and on-road vehicles. The original Land Rover origin means maintaining manufacturer standards regarding dimensional tolerances and build quality, which is particularly important in a precision timing system.

Characteristics of the component from the Tensioners and pulleys category

As a part from the Tensioners and pulleys group, the camshaft pulley contributes to the complete belt guidance system in the diesel engine. In practice, this translates into:

• even load distribution in the timing system,
• reduced risk of belt slippage at variable RPMs,
• better stability of the 2.7 V6 unit in both urban and off-road conditions. Selecting a component from the same design group as other timing components facilitates maintaining service consistency and predictable system behavior during long-term operation.

Condition, origin, and service application

The offered camshaft pulley is a used part, sourced from an original Land Rover system. This type of component is particularly attractive in situations where maintaining factory specifications while optimizing repair costs is a priority. It is suitable both for standard timing component replacement and for comprehensive rebuilding of the 2.7 V6 diesel power unit. If you want to better understand why original used components for premium cars are gaining importance, it is worth reading the article on the growing popularity of used OEM parts for premium brands, which discusses current market trends and the approach to informed repairs.

Expanding the Land Rover timing system

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