Land Rover Discovery Sport L550 Oil Filler Cap LR073782

Land Rover Discovery Sport L550 Oil Filler Cap LR073782 is an original part from the Oil Drain and Filler Plugs and Dipsticks category, designed for the lubrication system in the Discovery Sport L550 model. A used oil filler cap ensures a factory fit, seals, and secure closure of the oil filler in your Land Rover's engine.

Specifications and technical data

• SKU: LR073782
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR073782
• Substitutable numbers: LR073782, G4D36766AB
• Part type: Oil Filler Cap
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and Function of the Oil Filler Cap

The Oil Filler Cap for Land Rover Discovery Sport L550 is responsible for securely closing the oil filler opening in the engine cover. A correctly chosen part:

• stabilizes crankcase pressure within the range specified by the manufacturer,
• limits oil evaporation and leaks during engine operation,
• protects the lubrication system from external contaminants.

Thanks to its construction conforming to Land Rover's factory standards, the cap works with the original valve cover and thread, facilitating everyday servicing.

Construction and Fit for Land Rover Discovery Sport L550

The offered cap is from the line of original Land Rover components, which translates to maintaining the parameters intended for the Discovery Sport L550. The element's construction is optimized for:

• precise fit with the engine cover socket,
• appropriate material stiffness under elevated temperatures,
• consistent tightening torque, simplifying servicing with every oil change.

Such a fit reduces the risk of leaks, which could lead to engine bay contamination or a drop in oil level.

Used Condition and Benefits of Choosing OEM Parts

The item is offered in used condition, allowing you to combine original OEM quality with a more favorable purchase cost. In practice, this means:

• retention of factory geometry and working dimensions,
• compatibility with factory seals and the engine cover thread,
• no need for adaptation or modification of adjacent components.

For users considering different servicing strategies, an article describing the cost-effectiveness of various types of components may be helpful: original, aftermarket, and used car parts – a comparison of costs and fit.

Operation and Importance for the Lubrication System

A properly functioning oil filler cap directly impacts the safe operation of the lubrication system. Replacing a worn or damaged part is recommended, for example, when:

• signs of oil leaks appear on the engine cover around the filler,
• the cap does not hold its position stably after tightening,
• mechanical damage to the working parts is noticeable.

Choosing a cap that matches the manufacturer's designations facilitates identification by OEM and interchangeable part numbers, minimizing the risk of installing an ill-fitting replacement.

Related Parts and Additional Technical Information

Within the same product group, it is also advisable to periodically check other elements from the Oil Drain and Filler Plugs and Dipsticks category, such as oil pan drain plugs or oil level dipsticks. If you need other oil drain and filler plugs and dipsticks for Land Rover, check our offer: Land Rover Oil Drain and Filler Plugs and Dipsticks.

In the context of protecting the engine unit from overheating and oil degradation, a service guide may also be useful: engine cooling system – overheating, repair, and the impact of oil coolers on unit lifespan. It helps to better understand the relationships between engine operating temperature, oil condition, and component durability.

Summary

The Land Rover Discovery Sport L550 Oil Filler Cap LR073782 is a practical solution for users seeking an original lubrication system component at a favorable price. Factory fit, compatibility with the Discovery Sport L550's design, and retention of OEM parameters make it a sensible choice for engine servicing and preventative accessory replacement.