Land Rover Discovery 3 L319 Cylinder Head Right O/S 2.7 Diesel 4R8Q-6090-AH

Land Rover Discovery 3 L319 Cylinder Head Right O/S 2.7 Diesel is an original component from the Cylinder Heads group, designed for the diesel engine in the popular Land Rover off-road model. This used OEM part allows for a technically correct repair of the power unit on the right side, while maintaining the factory geometry and engine operating parameters.

Specifications and technical data

• SKU: 1311302
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 1311302
• Substitutable numbers: 4R8Q-6090-AH, 4R8Q6090AH, 1311302, 4R8Q-6C032-AA
• Location on the vehicle: Right
• Fuel type: Diesel
• Part type: Cylinder Head
• Category: Cylinder Heads

Purpose and function in the engine system

The right cylinder head in the 2.7 Diesel engine is responsible for the tightness of the combustion chamber, valve guidance, and proper heat dissipation from this part of the power unit. In the case of the Land Rover Discovery 3 L319, using a dedicated cylinder head on the right side ensures:

• proper fitment to the engine block and mounting system,
• correct alignment of intake and exhaust ports,
• compatibility with the factory fuel system of the diesel engine.

Thanks to this, the repair is predictable, and the unit's operating parameters remain consistent with the manufacturer's specifications.

Compatibility and technical parameters

The presented cylinder head is intended for installation on the right side of the power unit in a diesel-powered engine. Using the correct variant for the right side is crucial due to differences in port routing, the arrangement of accessory mounts, and fitment to the exhaust and intake systems.

The component comes from the Land Rover OEM parts family, which means it maintains the factory material and design specifications. The head belongs to the Cylinder Heads category, which are components responsible for precise cooperation with pistons, valves, and the timing system in a diesel engine.

Condition, service application, and benefits of installation

The offered cylinder head is a used part, which is a cost-effective solution for repairing 2.7 Diesel engines where both technical correctness and service cost control are important. Choosing an original, used cylinder head allows you to:

• maintain consistency with the factory design of the power unit,
• avoid problems with fitting characteristic mounting points,
• maintain coherence with other cylinder head components in a V-engine.

This solution is particularly recommended for overhauls of units in vehicles operated in demanding off-road conditions, where durability and predictable engine behavior are essential.

Professional installation and operational recommendations

Due to the importance of the cylinder head for the entire engine's operation, installation by a specialized service center is recommended, following the manufacturer's procedures. In practice, this means, among other things, checking the flatness of the mating surface, using appropriate bolts and tightening torques, and verifying the cooperating timing system components and seals.

Selecting the correct cylinder head for the right side in a diesel engine translates into stable compression, proper valve operation, and uniform thermal load of the entire power unit, which has a direct impact on the refinement and durability of the Land Rover Discovery 3 L319 engine.

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 cylinder head bodies, covers, or fasteners, check out the available parts in the Land Rover Cylinder Heads category.

For drivers interested in a broader context of diesel engine operation and engine accessories, an article dedicated to servicing popular Mercedes units may be helpful – check out practical tips in the material Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz C-Class and E-Class models?.