LUCAS 31991 Aston Martin Nos Fuel Fan Switch

( Brand: Lucas ), ( Manufacturer Part Number: 31991 ), ( Part Type: Fuel Fan Switch ), ( Non-domestic Product: No ), ( Country/region Of Manufacture: United Kingdom )

Review LUCAS Aston Martin Nos Fuel Or Fan Switch fits DB5

Introducing the Lucas 31991 Aston Martin DB5 NOS Fuel Fan Switch, a premium automotive component designed to provide optimal engine cooling for your classic Aston Martin DB5. This authentic replica switch is meticulously crafted to fit and function perfectly in your cherished DB5, adding both style and substance to your vehicle.

The switch is manufactured to the highest standards, with a durable and sleek design that closely resembles the original component. Its outer casing is made from high-quality materials, ensuring it withstands the test of time and maintains its aesthetic appeal. The switch features two illuminated rocker switches, each with a distinctive red glow when activated. This not only adds an elegant touch to your dashboard but also ensures easy identification of the fuel fan function.

The Lucas 31991 switch is designed to integrate seamlessly with your DB5's wiring system. It comes pre-wired with a 13-pin connector that matches the original harness, eliminating the need for complex wiring modifications. This simplifies the installation process and ensures a secure and reliable connection.

The fuel fan switch controls the engine cooling fan, which is crucial for maintaining the optimal operating temperature of your DB5's engine. By supplying power to the fan when required, the switch helps prevent overheating and ensures your vehicle performs at its best, regardless of external conditions.

This Lucas 31991 component is a must-have for any Aston Martin DB5 enthusiast looking to restore or upgrade their vehicle. Its authentic design, easy installation, and functional benefits make it an essential addition to your classic car. So, upgrade your DB5 with this premium fuel fan switch and enjoy the perfect blend of style, performance, and reliability.

Buying a Lucas 31991 Fuel Fan Switch for an Aston Martin DB5 can be a worthwhile investment for several reasons. Here are some pros and cons to consider:

1. Improved Engine Performance: The fuel fan switch helps to maintain the temperature of the fuel in the carburetor, ensuring optimal engine performance. During cold weather, the fan comes on to prevent the fuel from thickening and clogging the carburetor jets.

2. Enhanced Driving Experience: With proper fuel temperature, the engine runs more smoothly and efficiently, providing a better driving experience.

3. Vintage Car Authenticity: For collectors and enthusiasts, authenticity is important. Installing original equipment like the Lucas 31991 fuel fan switch can help maintain the value and integrity of the vehicle.

1. Cost: Original parts can be expensive. Replacing a fuel fan switch with an OEM part like the Lucas 31991 can be more costly than using aftermarket alternatives.

2. Availability: Due to their age, some parts for classic cars like the Aston Martin DB5 can be difficult to find or may require a lengthy wait for delivery.

3. Complexity: The Lucas 31991 fuel fan switch is an electrical component, which means installation requires some electrical knowledge or the assistance of a professional mechanic.

The decision to buy a Lucas 31991 fuel fan switch for an Aston Martin DB5 depends on individual priorities. For those who value authenticity, improved engine performance, and a better driving experience, the benefits may outweigh the costs. For others, the cost and availability of the original part may make an aftermarket alternative a more practical option. Ultimately, it's important to weigh the pros and cons and consider the specific needs and budget of the project.

If you're looking for an original part to maintain the authenticity and performance of your Aston Martin DB5, then the Lucas 31991 fuel fan switch is a recommended option. However, if you're working on a budget or prefer an aftermarket alternative, there are other options available that may offer similar functionality at a lower cost. It's important to research and compare the different options carefully before making a decision.

Details:

LUCAS NUMBER 31991. LISTED FOR ASTON DB5, USED AS THE FUEL OR FAN SWITCH.

part #: 31991 prices

• $35.00-$65.00

specifications motoralph:

• for models: Db5
• brand: Lucas
• mpn: 31991
• part type: Fuel Fan Switch
• non-domestic product: No
• country/region of manufacture: United Kingdom

payments motoralph:

• money order
• other
• credit card: Mastercard
• wallet: Paypal

returns motoralph:

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

seller motoralph:

• rating: 99.7%
• # reviews: 25766
• city: Vandalia, Ohio

offer motoralph:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: August 25, 2025
• availability: In Stock

general motoralph:

• Motors > Parts Accessories > Other
• condition: New other see details

shipping motoralph:

• service: Standard, UPS Ground Saver
• type: Fixed
• class: Standard, Economy
• carrier: UPS
• transit: 3-9 Days
• cost: $6.00

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