Land Rover Discovery 2 Rear Bonnet Hood Seal Gasket Rubber ASR1258

Land Rover Discovery 2 Rear Bonnet Hood Seal Gasket Rubber is a precision-fitted sealing component designed for the rear section of the engine assembly. Made of durable rubber material, the gasket provides a stable seal and reduces the risk of leaks in the bonnet area, supporting safe and predictable vehicle operation. It is a practical solution for users who want to maintain proper system tightness and keep the engine in good technical condition.

Specifications and technical data

• SKU: ASR1258
• Mark: Land Rover
• Condition: Used
• OEM Part Number: ASR1258
• Substitutable numbers: ASR1258, 1H2Z7816771DA, 1H2Z-7816771-DA
• Location on the vehicle: Rear
• Part type: Bonnet
• Category: Bonnet Panels

Purpose and function of the gasket

The presented rear bonnet hood seal gasket has been designed specifically for the Land Rover Discovery 2 model, taking into account the characteristic construction of the power unit. The component operates in the rear zone of the engine, where it is responsible for sealing control between the bonnet and the adjacent surfaces, which helps to limit the leakage of oil and contaminants to the outside.

The rubber structure of the gasket allows for the compensation of minor deformations and vibrations of the power unit, which is important in off-road vehicles operated in varied conditions. As a result, the component can help maintain uniform pressure along the entire contact perimeter, which promotes stable engine operation in the long term.

Material construction and performance properties

The gasket is made of flexible rubber material, selected for operation at elevated temperatures and in contact with typical operating media found in the engine compartment. Such a design allows for maintaining proper elasticity during installation and during subsequent operation.

Key advantages of this solution include:

• flexible structure, facilitating fitment to the bonnet surface,
• resistance to typical operating conditions in the rear part of the power unit,
• possibility of re-removing the bonnet while maintaining the correct geometry of the seal (depending on the condition of the component),
• compatibility with the factory mounting system in the Land Rover Discovery 2.

A component configured in this way can be a practical basis for service replacement in the event of interference with the rear part of the engine, e.g., during work related to the bonnet or accessory components in this area.

Vehicle placement and installation aspects

The gasket is intended for installation in the rear part of the engine assembly, which requires access to the bonnet area from the engine compartment side or – depending on the configuration – from the bulkhead side. Proper seating of the component requires cleaning the contact surface and evenly positioning the gasket in the seat to avoid twisting and localized excessive compression.

During installation, it is worth paying attention to:

• thorough preparation of the contact surface (removal of old seal residues),
• checking the correct positioning of the gasket along the entire perimeter,
• gradual tightening of the bonnet mounting elements to distribute pressure evenly.

Such an approach promotes the maintenance of stable sealing pressure and reduces the risk of leaks in the critical area of the rear part of the engine.

Product characteristics and service application

The presented Land Rover Discovery 2 Rear Bonnet Hood Seal Gasket Rubber is a component intended for service applications in Land Rover vehicles, particularly in the Discovery 2 model. It can be used both during scheduled maintenance and for repairs resulting from the operational wear of the existing seal.

Choosing a dedicated gasket for a specific vehicle model allows for maintaining compliance with the factory geometry of the bonnet and the installation method provided by the manufacturer. Thanks to this, the user gains a component that can support the maintenance of proper system tightness and limit the need for additional modifications.

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other components from the same group, such as additional seals, covers, or mounting elements in the bonnet area, check the available parts in the Land Rover Bonnets category.

For users interested in deepening their knowledge on selecting used OEM components by identification numbers and the principles of proper maintenance of power units, an article describing the specifics of five-cylinder engines and the practice of selecting parts may be helpful – you can find it here: Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it with original Audi parts.