37279 LUCAS Nos Voltage Reguator Control Box XK120 XK140

Review LUCAS Nos Voltage Reguator Control Box Jaguar for JAGUAR XK120 XK140 XK150

The Lucas 37279 NOS Voltage Regulator Control Box is a vintage automotive component designed specifically for Jaguar XK120, XK140, XK150, and RB310 models. This control box plays a crucial role in regulating the electrical system's voltage output to ensure optimal performance and reliability.

The Lucas 37279 NOS Voltage Regulator Control Box is a reconditioned original part, meaning it has been carefully restored to its original specifications using authentic Lucas components. Each part undergoes a thorough inspection, cleaning, and rebuilding process to restore it to its former glory. The use of original components maintains the authenticity of your Jaguar's electrical system.

The control box features a voltage regulator that is responsible for maintaining a consistent voltage level in the electrical system. This voltage regulation is essential for the proper functioning of various electrical components, including the ignition system, lighting, and accessories. By keeping the voltage at an optimal level, the Lucas 37279 NOS Voltage Regulator Control Box ensures a smooth and reliable driving experience.

The Lucas 37279 NOS Voltage Regulator Control Box is designed to fit directly into the original mounting location in your Jaguar. It comes with all necessary mounting hardware, ensuring a hassle-free installation process. The control box is also wired with authentic Lucas connectors, making it a direct replacement for your original part.

This reconditioned Lucas 37279 NOS Voltage Regulator Control Box is an excellent choice for Jaguar enthusiasts seeking authenticity, reliability, and performance for their XK120, XK140, XK150, or RB310. With its restored, original components and straightforward installation process, this control box is an investment in the longevity and enjoyment of your classic Jaguar.

The Lucas 37279 NOS Voltage Regulator Control Box is a crucial component for Jaguar XK120, XK140, XK150, and RB310 models. This regulator box is responsible for maintaining a consistent electrical voltage in the vehicle's electrical system. Here are some pros and cons that might help you decide if buying this part is the right choice for you:

1. Authentic and Vintage: This part is an original equipment manufacturer (OEM) product, which means it is an exact replacement for the original part that came with your Jaguar. This can be important for those who value the authenticity and originality of their classic car.

2. Proper Functioning: By using an original part, you can ensure that the voltage regulator control box functions correctly and efficiently. This can help prevent electrical issues and keep your Jaguar running smoothly.

3. Availability: The Lucas 37279 NOS Voltage Regulator Control Box is widely available from various auto parts retailers and Jaguar specialists. This makes it a convenient option for those who need to replace their old or faulty regulator box.

1. Cost: Original parts can be more expensive than aftermarket alternatives. The Lucas 37279 NOS Voltage Regulator Control Box is no exception. However, the cost may be worth it for those who prioritize authenticity and proper functioning.

2. Complex Installation: Installing the Lucas 37279 NOS Voltage Regulator Control Box may require some technical expertise. It involves disconnecting the battery, removing the old regulator box, and installing the new one. Those without experience may want to consider hiring a professional to do the installation.

The Lucas 37279 NOS Voltage Regulator Control Box is an excellent choice for Jaguar XK120, XK140, XK150, and RB310 owners who prioritize authenticity and proper functioning. While it may be more expensive than aftermarket alternatives, the benefits of using an original part can outweigh the cost. However, it is essential to consider the complexity of the installation process and the need for technical expertise. Ultimately, the decision to buy the Lucas 37279 NOS Voltage Regulator Control Box depends on your priorities, budget, and technical abilities. If you value originality and correct functioning, then this part is a worthwhile investment.

Details:

The regulator is in mint condition, the Lucas box. The date code on the regulator is 11/68. You are buying on a new old stock Lucas alloy cover voltage regulator for Jaguar XK120, XK140, and XK150 cars. It is a model RB310 regulator.

Why settle for less than nos. The Lucas part number is 37279 and 37299.

specifications ignitioncomp:

• for models: Xk120, Xk140, Xk150
• for makes: Jaguar
• brand: Lucas
• mpn: 37279
• part type: Voltage Control Box
• oe/oem part number: Rb310
• vintage part: Yes
• universal fitment: Direct Replacement
• country of origin: United Kingdom
• performance part: No

seller ignitioncomp:

• # reviews: 13956
• city: north haven, connecticut
• rating: 100.0%

offer ignitioncomp:

• options: ship-to-home
• started: january 11, 2026
• in stock #: 1
• price: $120.00
• item condition: New
• sold #: 8
• availability: in stock

payments ignitioncomp:

• wallet: apple-pay
• credit card: discover
• other

returns ignitioncomp:

• time: 30 days
• paid by: seller
• policy: returns accepted

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components

shipping ignitioncomp:

• service: usps priority mail medium flat rate box, usps ground advantage
• transit: 16-19 days
• class: expedited, standard
• carrier: usps
• type: calculated