Land Rover Discovery 4 L319 Vacuum Pump 30DDTX 3.0 V6 Diesel CK5Q-2A451-AC

Land Rover Discovery 4 L319 Vacuum Pump 30DDTX 3.0 V6 Diesel CK5Q-2A451-AC is an original component from the Vacuum pumps group, designed for diesel units in the Discovery 4 model. The used pump ensures proper generation of the vacuum necessary for the operation of auxiliary systems, which translates into stable vehicle performance during daily use.

Specifications and technical data

• SKU: LR077839
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR077839
• Substitutable numbers: LR077839, CK5Q2A451AC, CK5Q-2A451-AC
• Fuel type: Diesel
• Part type: Vacuum Pump
• Category: Vacuum Pumps

Purpose and compatibility

The presented vacuum pump is dedicated to the 3.0 V6 Diesel engine with the 30DDTX designation in the Land Rover Discovery 4 L319. The design was developed to meet the requirements of the diesel unit, ensuring adequate vacuum efficiency across the full range of engine loads, both in city driving and off-road conditions.

Thanks to the use of an OEM solution, the pump works with factory engine equipment, control systems, and vacuum lines, which facilitates installation and reduces the risk of fitment issues.

Construction and operating principle

The vacuum pump in this model is responsible for generating the vacuum used by, among others, systems supporting engine operation and vacuum-controlled components. The drive from the power unit is transmitted to the pump rotor, which continuously generates a stable vacuum, maintained within the range specified by the manufacturer.

The solution used in this pump is optimized for Diesel engines, which, due to their characteristics, require an independent vacuum source. Properly selected internal geometry and system tightness allow for maintaining repeatable operating parameters over a long period of use.

Benefits of using an original vacuum pump

Using an original vacuum pump in the Land Rover Discovery 4 L319 brings a number of practical benefits:

• maintaining factory operating parameters of vacuum-dependent systems,
• consistency with factory engine equipment and vacuum installation,
• reduced risk of leaks and performance drops compared to generic replacements,
• easier diagnostics based on manufacturer documentation.

The used OEM component is a reasonable choice for users looking for a technically matched solution while maintaining a favorable cost-to-functionality ratio.

Condition, verification, and installation

The pump comes from dismantling and is offered as a used component, which means it may show signs of wear typical for parts from the secondary market. Before sale, the item is verified for compliance with its intended use and completeness of connections, which facilitates subsequent installation in the vehicle.

It is recommended to perform the installation in a specialized service center that will ensure proper connection of vacuum lines, check for leaks, and verify the correct operation of the system after starting the engine. A correctly installed vacuum pump supports stable and predictable operation of the power unit.

Part selection and technical knowledge

When selecting a vacuum pump for a specific engine version of the Discovery 4, it is worth using the manufacturer's markings and vehicle data to avoid compatibility issues. Proper fitment is crucial for maintaining correct vacuum parameters and trouble-free system operation.

For users interested in a broader context of fuel system operation and related components, an article describing diagnostics, selection by VIN/OEM, and operating principles will be useful – you can find it here: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

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 pumps, vacuum components, or related modules, check the available parts in the Land Rover Vacuum pumps category.