Jaguar is a luxury car brand known for producing high-performance vehicles. The gearbox, also known as the transmission, is a vital component of any car, including Jaguar. The gearbox number is a unique identifier that helps to identify the transmission in your Jaguar. In this article, we will discuss everything you need to know about the Jaguar gearbox number.
What is a Jaguar Gearbox number?
The Jaguar gearbox number is a unique identifier that is assigned to each transmission that the company produces. It is a combination of letters and numbers that are stamped on the transmission housing. The gearbox number is used to identify the transmission and to help ensure that the correct parts are used for repairs and maintenance.
It is not possible to identify a particular vehicle using the gearbox number, but, a VIN enquiry to the importer/dealer can result in the gearbox number of a particular vehicle being identified.
Location of the Jaguar Gearbox Number
The Jaguar gearbox number can be found in several locations on the transmission housing. The most common location is on the side of the transmission, near the bottom. In some models, it may be located on the top of the transmission housing. The gearbox number can also be found on the vehicle registration document and on the gearbox plate.
Jaguar uses gearboxes made by ZF (Zahnradfabrik Fredrichshafen) and Mercedes-Benz for its supercharged engines.
JATCO makes the automatic gearboxes on the X-Type and Getrag manufactures the manual gearboxes for the X-Type and the S-Type.
The gearbox number is either stamped onto the gearbox housing or else is on a metal plate or barcode plate on the gearbox housing.


In additional the gearbox number can also be found on a sticker on the gearbox.
On the XE the sticker is easy to find if you have a look from above behind the engine onto the gearbox.

Rear axle differential number
The number of the rear axle differential usually has 10-characters.
This number is not assignable but via Jaguar VIN Number search the number is obvious.

Close-up view

Decode the Jaguar Gearbox Number
The Jaguar gearbox number is a combination of letters and numbers that provide specific information about the transmission. The gearbox number can be decoded to provide information about the model year, transmission type, and production number.
The gearbox number typically starts with the letter “J,” which stands for Jaguar. The next two digits represent the model year. For example, “96” represents the year 1996.
The next two letters represent the transmission type. For example, “ZF” represents the ZF automatic transmission, while “MT” represents the manual transmission.
The final four digits represent the production number. This number indicates the order in which the transmission was produced.
The breakdown of the Jaguar gearbox numbers depends on the respective manufacturers, i.e
– Mercedes-Benz
– ZF
– JATCO
– Getrag
Why is the Jaguar Gearbox Number Important?
The Jaguar gearbox number is important for several reasons. First, it helps to identify the transmission in your Jaguar. This is important when ordering parts for repairs or maintenance. Using the wrong parts can result in serious damage to your transmission and can even void your warranty.
Second, the gearbox number helps to ensure that your Jaguar is a genuine product. This is important if you are buying a used Jaguar or if you are concerned about the authenticity of your vehicle.
Third, the gearbox number can be used to track the history of your vehicle. This is important if you want to know if your Jaguar has been involved in any accidents or if it has had any major repairs.
Jaguar Gearbox Number Appearance
Jaguar gearbox numbers can come in a variety of formats, depending on the model and year of your vehicle. Some of the most common appearance include:
JLM000000 – This format is commonly used for early Jaguar transmissions, such as those found in the XK120 and Mark VII models. The first three letters represent the transmission type, while the remaining digits represent the production number.
JAG8000AA – This format is commonly used for Jaguar transmissions produced in the 1980s and 1990s. The first three letters represent the transmission type, while the next four digits represent the production number.
JJA23456 – This format is commonly used for Jaguar transmissions produced in the 2000s and beyond. The first three letters represent the transmission type, while the final five digits represent the production number.
Tips for Maintaining Your Jaguar Transmission
Maintaining your Jaguar transmission is essential to keep it running smoothly and to extend its lifespan. Here are some tips to help you maintain your Jaguar gearbox:
- Check the fluid regularly – The transmission fluid is essential for lubricating the gears and preventing wear and tear. Check the fluid level regularly and top it up if necessary.
- Change the fluid and filter – Over time, the transmission fluid can become contaminated with dirt and debris. Changing the fluid and filter at the recommended intervals can help to prevent damage to your transmission.
- Use the correct fluid – Using the correct type of fluid is essential for maintaining the performance and lifespan of your Jaguar transmission. Check your owner’s manual for the recommended fluid type.
- Avoid aggressive driving – Aggressive driving can put extra strain on your transmission and cause premature wear and tear. Drive your Jaguar responsibly and avoid sudden acceleration or hard braking.
- Regular maintenance – Regular maintenance, such as oil changes and tune-ups, can help to prevent damage to your transmission and extend its lifespan.