Audi A4 B8 A4 B9 Q5 8R Differential Flanged Shaft 6 Speed Manual CAHA 0B4409344A

Audi A4 B8 A4 B9 Q5 8R Differential Flanged Shaft 6 Speed Manual CAHA is a component from the Drive shafts group, designed for use with a manual transmission in selected Audi models. This offered part comes from professional dismantling, which allows for maintaining the factory characteristics of the drivetrain while optimizing repair costs.

Specifications and technical data

• SKU: 0B4409344A
• Mark: Audi
• Condition: Used
• OEM Part Number: 0B4409344A
• Substitutable numbers: 0B4409344A, 0B4 409 344 A
• Gearbox type: Manual
• Part type: Driveshaft
• Category: Driveshafts

Application and compatibility in Audi models

The presented flanged shaft is designed to operate in the drivetrain of Audi A4 B8 and B9 generation models as well as the Audi Q5 8R, in configurations with the CAHA diesel engine and a six-speed manual transmission. By maintaining the original geometry and mounting points, it ensures proper torque transfer and stable cooperation with other drivetrain components. The original Audi origin helps maintain proper torsional rigidity, correct balancing, and fitment to factory supports and flanges, which reduces the risk of vibrations, noise, and accelerated wear of mating components.

Construction and technical characteristics

The flanged shaft belongs to the group of components responsible for the mechanical connection between the transmission and the rest of the drivetrain. The design intended for use with a manual transmission ensures:

• stable load transfer resulting from the operation of the six-speed gearbox,
• appropriate longitudinal and lateral rigidity,
• precise fit to the mounting flanges in the given drivetrain system. Thanks to the preservation of factory design parameters, the shaft works with stock suspension and support elements, which facilitates installation and limits the need for additional modifications.

Benefits of using an original flanged shaft

Using an original shaft from dismantling in place of a worn or damaged part allows for maintaining the factory operating characteristics of the drivetrain. In practice, this means:

• preserving the drivetrain operating culture intended by the manufacturer,
• better dimensional compatibility compared to many aftermarket replacements,
• reducing the risk of balancing issues and unwanted vibrations. For users seeking a reasonable compromise between repair cost and quality, a used OEM part often represents a more predictable solution than a random replacement with unverified parameters.

Condition, verification, and part selection

The offered flanged shaft is a used part, sourced from the dismantling of an Audi vehicle. Before sale, such components are standardly verified for visible mechanical damage and the completeness of key mounting points, which facilitates trouble-free installation in the vehicle. When selecting a drive shaft for a specific vehicle configuration, it is worth paying attention to the transmission type, model generation, and the engine unit used. In case of doubt, it is helpful to compare the construction with the currently installed part and verify compatibility based on the vehicle's technical specifications.

Drivetrain expansion and technical knowledge

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other elements from the same group, such as additional intermediate shafts, joints, or connecting elements, check the available parts in the Audi drive shafts category. For users who want to better understand the dependencies within the drive axle and differential and make informed choices about used OEM parts, the following article will be useful: Humming differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement. It allows for a better assessment of when to reach for original components from dismantling to restore the efficiency of the entire drivetrain.