Land Rover Discovery 3 L319 276DT Brake Vacuum Pump LR006649 4R8Q-2A451-AF

Land Rover Discovery 3 L319 276DT Vacuum Pump 4R8Q-2A451-AF is an original part from the vacuum pumps category, designed for the vacuum system in the 276DT unit. It ensures stable vacuum generation necessary for the proper operation of brake assist and other vacuum consumers in the engine system. A used OEM Land Rover part is a sensible choice for users seeking a proven, factory solution instead of replacements of unknown origin.

Specifications and technical data

• SKU: LR006649
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR006649
• Substitutable numbers: LR006649, 4R8Q2A451AF, 4R8Q-2A451-AF
• Part type: Vacuum Pump
• Category: Vacuum Pumps

Purpose and function of the vacuum pump

The presented vacuum pump is a component of the vacuum system in the 276DT engine used in the Discovery 3 L319 model. It is responsible for generating the appropriate vacuum level, which is used by, among others, the brake servo and other vacuum-controlled components. A properly functioning vacuum pump translates to:

• stable and predictable operation of the braking system,
• proper vehicle response to engine loads,
• maintenance of correct engine unit operating parameters under various operating conditions.

Advantages of using an original Land Rover vacuum pump

Choosing an original, used Land Rover vacuum pump is a solution that combines economic aspects with maintaining factory operating parameters. Key benefits include:

• Factory Fitment – the pump was designed specifically for the 276DT unit in the Discovery 3 L319, which facilitates installation and eliminates compatibility issues.
• Engine Control System Consistency – the original operating characteristics of the pump allow for maintaining vacuum values as specified by the manufacturer.
• Stable Brake System Operation – proper vacuum in the brake servo contributes to driving safety and comfort.

Condition, origin, and workshop application

The pump comes from a dismantled Land Rover vehicle and is assigned to the vacuum pumps category. This type of part is often used in:

• routine vacuum system repairs,
• workshops specializing in the Land Rover brand,
• refurbishment and rebuilding of 276DT units installed in the Discovery 3 L319.

Thanks to the preservation of the original design, it is possible to use existing mountings, hoses, and seals according to the manufacturer's original specifications.

Selection by numbers and integration with other components

The vacuum pump works with the braking system and other vacuum-controlled elements in the 276DT engine. When selecting a part, it is crucial to compare OEM designations and interchangeable numbers with the vehicle's specifications, which helps avoid problems with installation and operating parameters. A correctly selected pump:

• ensures the correct vacuum level across the entire RPM range,
• reduces the risk of reduced braking effectiveness,
• allows for stable operation of other vacuum consumers.

If you want to deepen your knowledge of diagnostics and selection of engine fuel and control components, it is worth reading the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses practical aspects of working with OEM numbers and service procedures.

Expanded offer and related Land Rover vacuum pumps

If you are looking for other Land Rover vacuum pumps for different engine configurations or other models of this brand, check out our dedicated category: Land Rover vacuum pumps. There you will find a wide selection of used parts that can be used for both standard repairs and more advanced service projects.