JAGUAR JL9299 Gearbox

( Manufacturer Part Number: JL9299 ), ( Type: Synchro Hub ), ( Material: Steel, Aluminum ), ( Vintage Part: Yes ), ( Country Of Origin: United Kingdom ), ( Performance Part: No )

Review JAGUAR Gearbox fits XK120

Introducing the Jaguar JL9299 XK120 Gearbox, a premium and high-performance component designed for Jaguar XK120 models. This gearbox is an essential part of your vehicle's powertrain system, ensuring seamless transmission of power from the engine to the wheels.

The Jaguar JL9299 XK120 Gearbox is a manual transmission unit, featuring four forward gears and one reverse gear. Each gear is meticulously engineered to provide precise and smooth shifting, delivering an engaging and responsive driving experience. The gearbox housing is manufactured from high-strength materials, providing robustness and durability, while its compact design allows for optimal placement within the vehicle.

The gear teeth in this Jaguar XK120 gearbox are precision-cut, ensuring accurate engagement and long-lasting performance. The gearbox also includes a synchromesh system, which facilitates smooth and effortless gear changes, even when shifting under load. This system reduces the need for double-clutching, making the driving experience more enjoyable and less demanding.

The gearbox also benefits from a heavy-duty clutch assembly, which provides reliable engagement and disengagement of the power transmission. The clutch is designed to handle the torque output of the engine, ensuring that power is efficiently transmitted to the wheels.

Additionally, the gearbox includes a lubrication system, which keeps the internal components well-lubricated and running at optimal temperatures. This system not only ensures the longevity of the gearbox but also contributes to its smooth and efficient performance.

This Jaguar JL9299 XK120 Gearbox is an excellent upgrade for Jaguar XK120 owners seeking to enhance their vehicle's performance and driving experience. With its precise shifting, robust construction, and reliable lubrication system, this gearbox is sure to provide years of trouble-free operation and pleasure on the road.

The Jaguar JL9299 XK120 gearbox is a popular choice for those looking to upgrade their classic Jaguar vehicles. Here are some potential pros and cons of buying this gearbox:

1. Improved Performance: The XK120 gearbox is known for its smooth and precise shifting, which can significantly improve the driving experience of your Jaguar.

2. Durability: This gearbox is built to last, with high-quality materials and robust construction. It is designed to handle the power and torque of high-performance Jaguar engines.

3. Versatility: The XK120 gearbox can be used in a variety of Jaguar models, including the XK120, XK140, and XK150. It is also compatible with both manual and automatic transmissions.

4. Availability: The XK120 gearbox is widely available from various suppliers, making it relatively easy to find and purchase.

1. Cost: The XK120 gearbox can be quite expensive, especially when compared to stock gearboxes. This may be a significant investment for some Jaguar owners.

2. Installation: Installing a new gearbox can be a complex and time-consuming process. It requires specialized tools and knowledge, and may require the assistance of a professional mechanic.

3. Compatibility: While the XK120 gearbox is compatible with a wide range of Jaguar models, it may not be suitable for all of them. It is important to ensure that the gearbox is compatible with your specific Jaguar model before making a purchase.

4. Adjustments: After installation, the XK120 gearbox may require some adjustments to ensure optimal performance. This can add to the overall cost and complexity of the project.

The Jaguar JL9299 XK120 gearbox offers significant performance improvements and durability, making it an attractive option for Jaguar enthusiasts. However, it comes with a high price tag, complex installation process, and potential compatibility issues. Ultimately, the decision to purchase this gearbox depends on your specific needs, budget, and technical capabilities.

If you are serious about improving the performance of your Jaguar and have the budget and technical expertise to install a new gearbox, then the Jaguar JL9299 XK120 gearbox is an excellent choice. However, if you are on a tight budget or have limited technical expertise, then it may be worth considering other options, such as upgrading individual components or consulting with a professional mechanic.

Details:

Good used manual gearbox Moss box for XK120. Cover and front plate retain their original factory wiring to keep bolts tight. Early JL box no. Shaft rotates easily.

part #: jl9299 price

• $450.00

specifications manutransmission:

• for models: Xk120
• for makes: Jaguar
• mpn: Jl9299
• type: Synchro Hub
• material: Steel, Aluminum
• vintage part: Yes
• country of origin: United Kingdom
• performance part: No

general manutransmission:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

shipping manutransmission:

returns manutransmission:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer manutransmission:

• sold: 0
• started: May 23, 2026
• quantity: 1
• availability: In Stock
• options: Seller-arranged-local-pickup

payments manutransmission:

• other
• wallet: Google-pay
• credit card: Visa

seller manutransmission:

• city: Falls Church, Virginia
• # reviews: 2511
• rating: 100.0%

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