VW Passat B6 CC Golf Mk5 Manual Gearbox 2.0 TDI 6 Speed KXX 02Q300042S WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order. VW Passat B6 CC Golf Mk5 Manual Gearbox 2.0 TDI 6 Speed KXX is a factory-original manual transmission from the Manual Gearboxes group, designed for use with diesel engines. It is a solution for users who expect precise gear shifting, correct operating characteristics with a diesel unit, and the preservation of the original drivetrain specifications in Volkswagen vehicles.

Specifications and technical data

• SKU: 02Q300042S-3
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 02Q300042S
• Substitutable numbers: 02Q300042S, 02Q 300 042 S, 02Q300041QX, 02Q 300 041 QX, KNS
• Fuel type: Diesel
• Gearbox type: Manual
• Part type: Manual Transmission
• Category: Manual Transmission

Technical characteristics and intended use

The presented gearbox belongs to the Manual Gearboxes group and has been designed to work with a compression-ignition engine, which ensures gear ratios properly matched to the high torque of diesel units. The manual design allows for direct control over gear changes, which translates into predictable vehicle behavior, stable acceleration, and efficient use of the RPM range. The six-speed configuration allows for a favorable compromise between dynamics and fuel consumption – lower gears facilitate efficient starting and flexibility, while higher gears reduce engine RPM during highway driving. As a result, the gearbox performs well both in daily city use and on longer trips.

Benefits of using an original manual gearbox

Using an original manual transmission dedicated to diesel units in models such as the Passat B6, Passat CC, or the fifth-generation Golf allows for the preservation of factory driving characteristics. Properly selected gear ratios support smooth starting, stable acceleration, and comfortable driving at higher speeds without overloading the engine. For workshops and users, compatibility with factory mounting points and the clutch and gear selector control system is also of key importance. This type of gearbox facilitates the installation process, reduces the need for modifications, and allows focus on proper maintenance of accessories (clutch, release bearing, drive shafts) without interfering with the transmission structure itself.

Use in diesel drives and operational aspects

The gearbox was developed with diesel engines in mind, which means it is adapted to higher torque and the specific operating characteristics of TDI units. In practice, this translates into:

• stable load transfer at low and medium RPM,
• properly stepped gear ratios for economical driving,
• the ability to comfortably utilize the full range of engine torque. The manual design also facilitates the diagnosis of potential irregularities – any symptoms, such as difficult gear engagement or noise at specific speeds, are relatively easy to detect during a test drive. For the user, this means predictable drivetrain behavior and the ability to plan maintenance based on real symptoms rather than complex electronics.

Condition, selection, and installation in the vehicle

The item comes from dismantling and is offered as a used part, which is a reasonable compromise between repair costs and maintaining the original vehicle specification. Proper selection of the gearbox for a specific engine version and vehicle year is crucial for the correct operation of the drive, so it is worth verifying compatibility with your model before purchase using the transmission markings and catalog data. During installation, standard service procedures are recommended: checking the condition of the clutch, seals, drive shafts, and changing the transmission oil according to the manufacturer's recommendations. This approach increases the chance of long-term, stable gearbox operation and reduces the risk of needing to interfere with the drivetrain again shortly after the repair. If you are planning a comprehensive repair or upgrade of the drivetrain area in your Volkswagen and need other components from the same group, such as housings, selectors, or mounting elements, check the available parts in the Volkswagen Manual Gearboxes category.

Expert support and selecting the right gearbox

When purchasing a used manual transmission for a Volkswagen, it is worth paying attention to the gearbox type, fuel type, and compatibility with a specific engine version. It may be helpful to read practical tips regarding common faults and how to verify the technical condition before installation – especially in the context of shaft play, synchronizer operation, or potential leaks. For users who want to deepen their knowledge about the differences between manual, automatic, and DSG transmissions and approach the purchase of a used gearbox consciously, the following guide will be useful: Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used gearbox. This makes it easier to assess whether the selected manual gearbox for a Volkswagen will be an optimal solution in terms of durability, comfort, and operating costs.