Land Rover Discovery Sport L550 EGR Cooler Valve 2.0 LR073729

Land Rover Discovery Sport L550 EGR Cooler Valve 2.0 is an original exhaust gas recirculation system component designed for diesel engines in the Discovery Sport L550 model. Thanks to its factory design, it ensures proper exhaust flow control and stable operation of the power unit. Using an OEM component allows you to maintain consistency with the vehicle's factory specifications and reduce the risk of compatibility issues.

Specifications and technical data

• SKU: LR073729-1
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR073729
• Substitutable numbers: LR073729, LR110291, G4D39D475BA, G4D3-9D475-BA, G4D39D475BC, G4D3-9D475-BC
• Fuel type: Diesel
• Part type: EGR Valve
• Category: EGR Parts & Valves

Purpose and function of the EGR valve

The presented valve belongs to the EGR valves and parts group, responsible for the controlled return of a portion of exhaust gases to the intake manifold. In a diesel engine, this component influences:

• lowering combustion temperature and reducing nitrogen oxide emissions,
• stable operation of the power unit across a wide range of loads,
• proper cooperation with the engine control system and emission control systems.

Choosing an original EGR valve for a Land Rover allows you to maintain engine performance parameters at the level intended by the manufacturer, which is particularly important in modern diesel units.

Benefits of using an original component

In the case of an exhaust gas recirculation system, precision of workmanship and compatibility with the engine control unit software are of key importance. Using an original EGR valve in the Discovery Sport L550 ensures, among other things:

• precise valve position control, which limits the risk of diagnostic errors and emergency mode,
• proper cooperation with temperature and exhaust gas flow sensors,
• maintenance of factory exhaust emission parameters, which is important during inspections and technical tests,
• mechanical consistency with the intake manifold and exhaust system without the need for modifications.

A used OEM component is a reasonable compromise between repair costs and maintaining the quality and fit intended for Land Rover vehicles.

Installation and operational characteristics

The EGR valve dedicated to the Land Rover Discovery Sport L550 with a diesel engine has been designed as a part that works with the factory equipment of the power unit. This means that it:

• fits original mounting points in the engine bay,
• is prepared for use with factory electrical connectors and wiring,
• has been developed for the specific operating conditions of the 2.0 unit, including exhaust temperature and pressure.

Such a fit facilitates service work and reduces the time required for replacement, while simultaneously reducing the risk of leaks or improper operation of the recirculation system.

Why it is worth choosing a used original

The market for new components for premium cars is currently undergoing dynamic changes, including periodic availability issues. Choosing a used, original EGR valve for a Land Rover allows you to maintain a high level of quality while reducing repair costs. If you want to better understand why such a solution is particularly beneficial in the coming years, read the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.

If you are planning a comprehensive repair or upgrade of the intake and exhaust area in your Land Rover and need other components from the same group, such as recirculation pipes, exhaust coolers, or control elements, check the available parts in the Land Rover EGR valves and parts category.