Audi A4 B8 Allroad 2.0 TDI CGLC Quattro Manual Gearbox NEL 0B2300029H WARRANTY

Listing details

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

Audi A4 B8 Allroad 2.0 TDI CGLC Quattro Manual Gearbox NEL is an original, factory-fitted gearbox from the Manual gearboxes group, designed for use with a diesel engine and all-wheel drive. The manual design provides the driver with precise control over power transmission, and the mechanical solutions used are optimized for the characteristics of the 2.0 TDI unit and the Quattro system.

Specifications and technical data

• SKU: 0B2300029H
• Mark: Audi
• Condition: Used
• OEM Part Number: 0B2300029H
• Substitutable numbers: 0B2300029H, 0B2 300 029 H, 0B2300029HX, 0B2 300 029 HX
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and technical characteristics

The presented gearbox was designed specifically for the drivetrain of the Audi A4 B8 Allroad with a diesel engine and Quattro drive. The manual design of the transmission allows for direct control of gear ratios, which translates into predictable vehicle behavior both in daily use and in more demanding road conditions.

The solutions applied in this transmission are adapted to the high torque of the diesel unit, ensuring stable power transmission to all wheels. As a result, the gearbox performs well in vehicles used in varied conditions – from city driving and highways to roads with poorer surfaces.

Benefits of using a manual gearbox in the Audi A4 B8 Allroad

The manual gearbox in this Audi model offers a number of practical advantages:

• direct, mechanical gear control, valued by drivers who prefer an active driving style,
• consistent matching to the characteristics of the diesel engine, which promotes flexibility in the mid-RPM range,
• effective use of the Quattro drive in conditions with variable traction,
• simpler construction compared to automatic transmissions, which facilitates diagnostics and service.

For users looking for a compromise between comfort and vehicle control, this drivetrain configuration is a reasonable, technically sound choice.

Condition, verification, and selection of the appropriate gearbox

The offered gearbox comes from the used parts segment, which allows for reducing repair costs while maintaining the original manufacturer's specifications. Before installation, a standard workshop procedure is recommended: checking for leaks, verifying shaft play, and assessing the condition of cooperating components (clutch, slave cylinder, supports, half-shafts).

To correctly select a transmission for a specific Audi A4 B8 Allroad 2.0 TDI Quattro, it is worth paying attention to the gearbox type designation, fuel type, and drivetrain configuration. Vehicle identification data, which the workshop can compare with the manufacturer's catalog information, is also helpful.

Technical support and additional materials

When purchasing a used manual transmission, it is crucial to understand the design differences between individual gearbox types and typical signs of wear. A detailed discussion of issues related to the selection, diagnostics, and operation of transmissions can be found in the article: Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox.

Other Audi manual gearboxes

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other components from the same group, such as transmission housings, selector mechanisms, or components cooperating with the drive, check the available parts in the Audi manual gearboxes category.