Audi A5 8T 3.0 TDI CAPA Quattro Manual Gearbox 6 Speed KMU 0B4300040G WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Audi A5 8T 3.0 TDI CAPA Quattro Manual Gearbox 6 Speed KMU is an original, used transmission from the Manual gearboxes category, designed for use with a diesel engine and all-wheel drive. It provides a solid solution for users seeking a technically matched, factory-spec manual transmission for their Audi, ensuring precise torque transfer within the Quattro system.

Specifications and technical data

• SKU: 0B4300027B
• Mark: Audi
• Condition: Used
• OEM Part Number: 0B4300027B
• Substitutable numbers: 0B4300027B, 0B4 300 027 B, 0B4300040G, 0B4 300 040 G, 0B4300027BX, 0B4 300 027 BX
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Manual Transmission

Application and technical compatibility

The presented gearbox belongs to the group of manual transmissions installed in the Audi A5 8T generation with a 3.0 TDI diesel engine (engine code CAPA) and Quattro all-wheel drive. The design was developed for compatibility with the diesel unit, which means appropriately selected gear ratios, internal component durability, and operating characteristics tailored to the high torque typical of TDI engines.

The manual transmission type allows for direct control over gear changes, which is particularly valued by drivers who prefer a more engaging driving style. Its application in a vehicle with the Quattro all-wheel-drive system requires precise fitting with other drivetrain components, which is why choosing an original transmission is crucial for maintaining the proper operation of the entire powertrain.

Operating characteristics and benefits of installation

The manual design of the gearbox provides a direct, mechanical connection to the drivetrain, which translates into clear, crisp gear shifts. In combination with the diesel engine and Quattro drive, this allows for:

• efficient use of high torque across the entire rev range,
• stable power delivery to all wheels,
• control over acceleration dynamics and engine braking,
• the possibility of economical driving thanks to appropriately selected gear ratios.

For the user, this means more predictable vehicle behavior, especially in low-grip conditions, where consistent cooperation between the manual gearbox and the Quattro system has a direct impact on safety and driving comfort.

Condition, origin, and installation aspects

The offered gearbox is a used component, sourced from a dismantled Audi vehicle. Such components are frequently chosen as a service solution because they allow for the preservation of the original drivetrain characteristics while optimizing repair costs. In practice, this means the ability to restore proper drivetrain operation without the need to invest in a new transmission.

Before installation, a standard workshop procedure is recommended, including checking associated components (clutch, release bearing, mounting bushings) and changing the transmission oil according to the vehicle manufacturer's recommendations. This approach increases the durability of the entire system and allows for full utilization of the potential of the original Audi manual gearbox.

Why choose this gearbox for your Audi A5 8T 3.0 TDI CAPA Quattro

Choosing the right transmission is crucial for the reliability and refinement of the drivetrain. In the case of the Audi A5 8T with a diesel engine and Quattro drive, using a dedicated manual gearbox allows you to maintain the vehicle's factory parameters. The original design ensures:

• compatibility with factory mounting points and the drivetrain layout,
• appropriate gear ratios matched to the characteristics of the 3.0 TDI engine,
• consistent operation with the all-wheel-drive system,
• the possibility of servicing based on manufacturer documentation.

For workshops and individual users, this means easier part identification, predictable installation time, and the ability to use standard service procedures. Audi manual gearboxes of this type are designed for long-term operation in demanding conditions, making them a sensible choice when repairing or replacing a transmission.

If you are planning a comprehensive repair or upgrade of your Audi's drivetrain and need other components from the same group, such as housings, shafts, or selector mechanisms, check out the available parts in the Audi manual gearboxes category.

Expert support for choosing a used gearbox

Selecting the right transmission, especially when dealing with a used component, requires considering the fuel type, gearbox type, and drivetrain configuration. Before purchasing, it is worth familiarizing yourself with practical tips regarding common faults and how to verify technical condition. An extended discussion on the differences between manual, automatic, and DSG transmissions, as well as practical advice on buying a used gearbox, can be found in the article "Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used transmission", which will help you consciously evaluate the parameters of the offered component and match it to the specific configuration of your Audi.