Range Rover Vogue L405 Exhaust Manifold Left N/S 4.4 SDV8 Diesel CK5Q-9431-AB

Range Rover Vogue L405 Exhaust Manifold Left N/S 4.4 SDV8 Diesel is a factory exhaust system component designed for the 4.4 SDV8 diesel engine. It is responsible for the precise discharge of exhaust gases from the left cylinder head, stabilizing the engine's operation and supporting correct performance parameters. As an item from the Exhaust manifolds group, it is a key component for maintaining the integrity and proper exhaust flow characteristics of the system.

Specifications and technical data

• SKU: CK5Q-9431-AB
• Mark: Range Rover
• Condition: Used
• OEM Part Number: CK5Q-9431-AB
• Substitutable numbers: CK5Q-9431-AB, CK5Q9431AB, LR038334
• Location on the vehicle: Left
• Fuel type: Diesel
• Part type: Exhaust Manifold
• Category: Manifolds & Headers

Purpose and function in the exhaust system

The described manifold is designed to operate on the left side of the 4.4 SDV8 Diesel unit, where it collects exhaust gases from the cylinders of that head and directs them to the subsequent elements of the exhaust system. A properly selected manifold ensures:

• stable exhaust flow under various engine loads,
• maintenance of the appropriate backpressure in the system,
• reduction of thermal stress in the cylinder head area,
• compatibility with the factory configuration of the diesel unit.

Thanks to its adaptation to the specific configuration of the diesel engine, the manifold supports uniform cylinder operation, which translates into smooth engine performance and predictable torque characteristics.

Compatibility and fitment for Range Rover Vogue L405

The manifold has been developed for the Range Rover Vogue L405 model with the 4.4 SDV8 diesel engine, which means it maintains the factory geometry of the channels, mounting points, and positioning relative to the cylinder head and other exhaust system components. Proper fitment translates into:

• easier installation without the need for structural modifications,
• proper sealing of the connection with the cylinder head and the subsequent section of the exhaust,
• compatibility with factory heat shields and adjacent components in the engine bay.

By maintaining the original design concept of the exhaust system, it is possible to keep operating parameters close to the factory configuration, which is important for both durability and service diagnostics.

Characteristics of the used component

The presented exhaust manifold is a used component, which in practice means it has been removed from a vehicle and was previously in operation. This type of part is an attractive solution in situations where:

• it is necessary to replace a damaged manifold due to cracking or leakage,
• maintaining the original exhaust system specification is a priority,
• optimizing repair costs while using an OEM component is important.

Choosing a used manifold allows for maintaining the structural consistency of the exhaust system, which is especially important in high-displacement diesel engines where thermal and mechanical loads are significant.

Benefits of using a dedicated exhaust manifold

Using the correct left exhaust manifold in the 4.4 SDV8 Diesel unit brings a number of practical operational benefits:

• Stable engine operation – proper exhaust flow supports uniform cylinder loading and correct operation of the turbocharging and engine management systems.
• Reduced risk of leaks – the matched geometry of the mating surfaces reduces the risk of exhaust gas blow-by in the cylinder head area.
• Better temperature control – proper exhaust flow distribution helps reduce local overheating in the exhaust zone.
• Consistency with the factory design – maintaining the original exhaust system concept facilitates subsequent inspections and diagnostics.

Technical support and additional materials

If you want to better understand how the choice of a manifold affects the characteristics of the exhaust system and what the practical aspects of using salvaged parts are, it is worth reading our guide: Performance exhaust systems: used manifolds and sports catalytic converters on the road. The article discusses, among other things, the selection of used manifolds in the context of operation and modifications.

If you are planning a comprehensive repair or upgrade of the engine area in your Range Rover and need other items from the same group, such as additional manifolds, connecting sections, or mounting hardware, check out the available parts in the Range Rover Exhaust manifolds category.