Alternator Generator BMW E60 E63 E65 E83 LCI E90 Diesel 170A LRA02319

Alternator Generator BMW E60 E63 E65 E83 LCI E90 Diesel 170A is an efficient charging system component designed for Diesel engines, ensuring a stable power supply for the vehicle's electrical system. This alternator from the Alternators and generators category has been engineered for demanding BMW diesel units, where sufficient power reserve and reliability in daily operation are crucial. It is a practical solution for users looking for a proven component for professional repair or replacement.

Specifications and technical data

• SKU: 7799204-1
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 7799204
• Substitutable numbers: 7799204, 12317799204, LRA02319
• Fuel type: Diesel
• Category: Alternators & Generators

Purpose and function in the electrical system

The presented alternator is dedicated to BMW E60, E63, E65, and E90 series models with diesel engines, where it is responsible for converting mechanical energy from the crankshaft into electrical energy. High current efficiency allows for stable power supply to onboard consumers, such as control units, comfort systems, lighting, or safety systems, while simultaneously charging the battery effectively.

Thanks to its carefully selected operating characteristics, the alternator maintains the correct voltage in the system, which reduces the risk of power drops, starting issues, and errors in the vehicle's sensitive electronics. This is particularly important in modern BMW diesels, where the electrical load is significantly higher than in older designs.

Construction and performance parameters

The alternator with a declared output of 170A has been designed to operate in the demanding thermal and mechanical conditions typical of diesel engine compartments. The design allows for compatibility with factory belt drive accessories, which facilitates installation in place of a worn-out part without the need for system modifications.

In practice, this means:

• a properly matched housing and mounting points for BMW E-series units,
• compatibility with the stock charging system in Diesel engines,
• current characteristics designed for high loads,
• the ability to work with the vehicle's extensive electrical system.

Condition, verification, and service application

The offered alternator is a used part, which makes it an attractive cost-effective option while maintaining the functionality required for daily operation. This type of component is often chosen in professional workshops as an economical solution for repairing fleet vehicles and private cars, where a reasonable balance between price and technical parameters is important.

Before installation, standard service procedures are recommended: checking the condition of the accessory belt, tensioner, as well as ground connections and power cables. A correctly selected and installed alternator allows for restoring the full efficiency of the charging system, eliminating typical signs of wear, such as a battery warning light, voltage fluctuations, or problems with powering consumers.

Selection, compatibility, and technical aspects

To ensure proper fitment for a specific BMW version, it is crucial to compare the alternator's parameters with the unit originally installed in the vehicle, including the Diesel engine type and accessory configuration. The product has an assigned OEM part number and interchangeable numbers, which facilitates clear identification in service catalogs and parts selection systems, without the need for interfering with the electrical installation.

In practice, this type of alternator will prove effective both for standard replacement of a worn-out part and for comprehensive charging system repairs in heavily used vehicles. A properly selected component reduces the risk of failures associated with insufficient battery charging, which has a direct impact on starting reliability and the stability of electronic systems.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other items from the same group, such as additional alternators, auxiliary generators, or related charging modules, check out the available parts in the Alternators and generators Unbranded category.

For users interested in a broader approach to selecting used components for a car, including assessing the cost-effectiveness of purchasing consumables, the guide article Stock vs. sports suspension – design differences and is it worth buying used suspension parts? may be helpful, as it discusses the practical aspects of choosing used parts in the context of safety and durability.