Vauxhall Combo D Diesel Manual Gearbox 5 Speed MML 55243551 5700456 WARRANTY

Listing details

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

Vauxhall Combo D Diesel Manual Gearbox 5 Speed MML is a used, original manual transmission designed for diesel-powered vehicles. Thanks to its classic manual design, it ensures precise torque transmission and stable operation of the drivetrain, providing a solid foundation for repairing or replacing the existing gearbox in your car. This is a solution for users looking for a proven, technically matched gearbox for a diesel engine, without unnecessary modifications.

Specifications and technical data

• SKU: 55243551
• Mark: Vauxhall (Genuine OE)
• Condition: Used
• OEM Part Number: 55243551
• Substitutable numbers: 55243551, 5700456, 57 00 456
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Manual Transmission

Technical specifications and intended use

The presented gearbox belongs to the Manual gearboxes category and has been designed as a five-speed manual transmission for diesel vehicles. This type of construction is valued for its direct control, predictable behavior under load, and the ability to effectively utilize the torque characteristics of diesel units.

The five-speed manual gearbox performs well in both city driving and on the highway, offering a balanced compromise between dynamics and economy. The use of a classic gear layout facilitates maintenance and diagnostics, which is important when operating commercial and fleet vehicles.

Compatibility and drivetrain fitment

The gearbox has been configured to work with diesel engines, which means the gear ratios are adapted to the specific characteristics of a diesel engine – higher torque at lower RPMs. Such transmission tuning allows for:

• efficient starting under load,
• stable operation at constant speeds,
• maintaining favorable engine RPM in typical operating ranges.

Thanks to manual control, the driver has full control over gear selection, which makes it easier to adapt driving to road conditions, driving style, and the current vehicle load.

Practical application and benefits of installation

Installing a used, original manual gearbox is often a cost-effective solution in the event of a failure of the existing transmission, especially when you want to maintain the factory characteristics of the drivetrain. This type of component allows you to:

• restore proper drive operation without expensive conversion to a different type of gearbox,
• maintain familiar, predictable vehicle handling,
• preserve compatibility with existing equipment and controls.

A used manual gearbox is a good choice for economical repairs when the priority is to efficiently restore vehicle mobility while maintaining technical consistency with the rest of the components.

How to safely choose a used gearbox

When purchasing a used transmission, it is worth paying attention to the compatibility of the gearbox type, fuel type, and gear configuration with the vehicle's factory requirements. It is also helpful to familiarize yourself with practical tips regarding the verification of technical condition and common faults. A detailed discussion of the differences between manual, automatic, and DSG gearboxes, as well as a practical guide to buying a used transmission, 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 better prepare for choosing the right solution.

Expanding repairs within the drivetrain system

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Vauxhall and need other elements from the same group, such as additional manual transmissions, alternative gear ratio variants, or compatible housings, check out the available parts in the Vauxhall manual gearboxes category.