Porsche Cayenne 92A Starter Motor 385HP 4.2 Diesel CUDC Automatic 057911023J

Porsche Cayenne 92A Starter Motor 385HP 4.2 Diesel CUDC Automatic is a specialized starting system component designed for diesel engines paired with an automatic transmission. Thanks to its design tailored to the specifics of the 4.2 Diesel engine, it ensures stable engine starting and predictable performance in daily operation. This is a solution for users who expect consistency with Porsche factory standards and the maintenance of proper starting characteristics.

Specifications and technical data

• SKU: 057911023J
• Mark: Porsche
• Condition: Used
• OEM Part Number: 057911023J
• Substitutable numbers: 057911023J, 057 911 023 J, 438000-0111, 4380000111, 958 604 112 00, 95860411200
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Starter Motor
• Category: Starter Motors

Purpose and compatibility

The offered starter motor is a component from the Starter Motors group, designed to work with the 4.2 Diesel engine in the Porsche Cayenne 92A model with 385 HP. The design, adapted to the CUDC unit and the automatic transmission configuration, allows for maintaining proper starting parameters, torque on the crankshaft, and appropriate operating dynamics across the entire range of operating temperatures.

This solution is aimed at users who want to maintain the original performance characteristics of the drive system, avoiding the accidental installation of parts with different specifications. Using a dedicated starter motor reduces the risk of engine starting problems, improper interaction with the vehicle's electronics, or excessive load on the electrical system.

Operating parameters and technical characteristics

The starter motor is adapted for operation in a diesel-powered system, where higher starting resistance resulting from diesel engine compression is significant. The design, selected for the automatic transmission, ensures proper engagement with the flywheel ring gear and stable torque transfer during starting, which translates into reliable engine ignition.

In practice, this means:

• a starting torque characteristic properly matched to the 4.2 Diesel engine,
• adaptation to loads typical for high-power diesel units,
• compatibility with the starting control system in versions with an automatic transmission.

As a result, the starter motor supports proper interaction with the vehicle's electronics, security systems, and power supply system, which is important during both cold and warm starts.

Brand, origin, and condition

The component comes from a Porsche vehicle, which for many users means maintaining consistency with factory specifications and predictable behavior in the long term. The product is in used condition, which allows for an economical restoration of the starting system's efficiency while maintaining the original design and fit for the specific drive configuration.

Using a used starter motor with the correct specification is a frequently chosen solution for repairs of premium class vehicles, where combining proper technical fit with service cost control is key. This is particularly important in the case of advanced diesel units working with an automatic transmission.

Application in service practice

The starter motor for the Porsche Cayenne 92A with a 4.2 Diesel engine and automatic transmission will work well for both emergency replacements and planned starting system upgrades. Proper selection of the component allows for reducing vehicle downtime in the workshop and minimizing the risk of repeated interference with the drive system.

For mechanics and users supervising repairs themselves, it is important that the part has assigned OEM numbers and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. This allows for precisely matching the starter motor to a given Cayenne 92A unit, avoiding problems with installation or improper operation after installation.

If you are planning a comprehensive repair or upgrade of the engine area in your Porsche and need other components from the same group, such as starter motors with different specifications, units for other engine versions, or components working with the starting system, check the available parts in the Porsche Starter Motors category.

How to avoid mistakes when choosing a used starter motor

When choosing a used starter motor for a Porsche Cayenne 92A, it is crucial to pay attention to compatibility with the fuel type, transmission type, and manufacturer markings. In practice, it is worth comparing the data from the removed part with the information in the specification, and in case of doubt, consult a mechanic or technical advisor.

To better understand how to safely select used components and what to pay attention to when verifying OEM numbers and replacements, it is worth reading the guide: No more bad purchases! How to professionally choose used car parts. This makes it easier to reduce the risk of purchasing a component with the wrong specification and optimize the repair process.