Porsche Boxster Cayman 987 Bass Loudspeaker Left Right N/O/S 99764555100

Porsche Boxster Cayman 987 Bass Speaker Left Right is an original audio component designed for factory sound systems in Porsche models. Its precise fit for the specific platform ensures consistent sound with other speakers and stable operation with factory control modules. This is a practical solution for users looking to restore full audio system functionality in a technically correct manner.

Specifications and technical data

• SKU: 99764555100
• Mark: Porsche
• Condition: Used
• OEM Part Number: 99764555100
• Substitutable numbers: 99764555100, 997 645 551 00
• Location on the vehicle: Right, Left
• Category: ECUs & Computer Modules

Purpose and Function in the Audio System

The presented bass speaker is designed as a component of the factory sound system in Porsche Boxster and Cayman models of the 987 generation. It is responsible for reproducing low frequencies, which translates to clearer, fuller sound within the cabin. It is installed on the right or left side of the vehicle, in accordance with the factory audio system configuration.

As a component that works with systems from the Electronic Control Units and Controllers group, the speaker is adapted to work with original Porsche amplifiers and control units. This ensures correct impedance, signal level, and stable operation of the entire system.

Construction and Fit for Porsche Boxster / Cayman 987

The bass speaker has been constructed with the specific body and interior of the Boxster and Cayman 987 models in mind, which facilitates installation in the original mounting points. The speaker enclosure and basket are designed to fit factory recesses, and the connectors are intended for use with Porsche wiring harnesses, eliminating the need for modifications.

This solution allows for the preservation of:

• acoustic consistency with other speakers in the vehicle,
• correct wiring and mounting,
• aesthetic installation without altering upholstery.

Condition, Origin, and Service Application

This component is from a dismantled vehicle and is offered as a used part, providing a cost-effective alternative to new components. This type of component is particularly useful for:

• audio system repairs after mechanical damage or water ingress,
• restoring the original sound system configuration after unsuccessful modifications,
• servicing vehicles where the speaker system has been partially damaged.

By retaining its factory construction, the speaker works well with factory controllers and amplifiers, reducing the risk of interference, overloading, or system errors.

Benefits of Using an Original Bass Speaker

Using an original bass speaker in a Porsche Boxster / Cayman 987 allows for the maintenance of the sound characteristics intended by the manufacturer. Compared to random aftermarket replacements, a properly fitted component ensures:

• stable operation with factory electronic modules,
• no need for electrical system adaptation,
• preservation of the factory tonal balance and bass level.

For users considering the choice between new, aftermarket, or used components, the article comparing the cost-effectiveness of original, aftermarket, and used car parts may be helpful, discussing differences in cost, quality, and fitment by part numbers.

Integration with Vehicle Electronics and Additional Information

The speaker works with factory audio controllers, which in Porsche vehicles are part of a broader electronic system. A correctly selected component minimizes the risk of amplifier overload, incorrect output loading, and potential interference with other modules. This is particularly important in modern cars where comfort, multimedia, and control systems are interconnected.

If you are interested in a broader context of using dismantled parts in automotive electronics repairs, it is worth reading the article on the long-term operation of multimedia systems and electronic modules using proven used parts, which shows how to consciously plan vehicle servicing using components from dismantled vehicles.