3 1/2 Nominal 8 TPI Locking Aluminum Diesel Fuel Cap
One 3 7/16” 8 TPI NPSL, locking, aluminum, diesel fuel cap
3 1/2 Nominal 8 TPI Locking Aluminum Diesel Fuel Cap
Item #: 20603935

3 1/2 Nominal 8 TPI Locking Aluminum Diesel Fuel Cap

Item #: 20603935

€ 44

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One 3 7/16” 8 TPI NPSL, locking, aluminum, diesel fuel cap
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What Stands Out

Durable Construction
Crafted from high-quality aluminum, this fuel cap ensures longevity and resistance to wear, significantly extending the product's lifespan and reducing the need for frequent replacements.
Secure Locking Mechanism
Equipped with a reliable locking system, this cap prevents fuel theft and spills, providing peace of mind for truck owners when parking and securing their vehicles.
Compatibility Assurance
Designed specifically for select Freightliner, Kenworth, and Western Star models, this cap guarantees perfect fit and performance, eliminating compatibility issues with aftermarket parts.

Product Details

Find the perfect Road King Truck Parts 3 38” Aluminum Locking Diesel Fuel Cap for your vehicle at Ubuy Ireland. This fuel cap is compatible with select Freightliner, Kenworth, and Western Star trucks. Secure your diesel fuel tank with a fine threaded cap and enjoy a vented design. The cap comes with 2 matching keys, a standard safety chain, and cross bar. Shop now and meet the 49 CFR 393.67 requirements!
Brand NameRoad King Truck Parts
Model NumberLFCAP8-FLWS
Manufacturer Part NumberLFCAP8-FLWS
Number of Items1
OEM Equivalent Part NumberFreightlineru00aeufe0f#A03-15682-6 Western Staru00aeufe0f#43301-3403
ManufacturerFasttech International Co., Ltd.
UPC850006757152
Exterior FinishAluminum
Style NameChain,Safety,Western
Item Dimensions3.5 x 3.5 x 2.5 inches (8.9 x 8.9 x 6.4 cm)
Compatible with Vehicle TypeTruck
Closure TypeLocking
Material TypeAluminum
BrandRoad King Truck Parts
MaterialAluminum
Item dimensions L x W x H3.5 x 3.5 x 2.5 inches (8.9 x 8.9 x 6.4 cm)
Vehicle Service TypeTruck

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Freightliner Owners

    Owners of Freightliner trucks will benefit from this durable and secure locking fuel cap designed specifically for their vehicles.

  • Diesel Fleet Managers

    Fleet managers can rely on this cap for enhanced security and durability, helping to prevent fuel theft and protect assets.

  • Long-Distance Truckers

    Long-distance truckers will appreciate the quality and reliability, ensuring their vehicle's fuel system remains secure during journeys.

Not Suitable For
  • Gasoline Vehicles

    This fuel cap is not suitable for gasoline-powered vehicles, as it is specifically designed for diesel applications.

Product Description

3 1/2 Nominal 8 TPI Locking Aluminum Diesel Fuel Cap

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Product Buying Guide

Introducing the Road King Truck Parts 3 3/8” Aluminum Locking Diesel Fuel Cap, designed specifically for select Freightliner, Kenworth, and Western Star trucks. This fuel cap is built with fine threads and a vented female fitting, making it the perfect fit for diesel applications. With its secure locking mechanism, 2 matching keys, and standard safety chain and cross bar included, this fuel cap offers convenience, safety, and peace of mind for truck drivers.

Product Specifications

  • Nominal size: 3 1/2”
  • Thread type: Fine thread, 8 threads/inch
  • Fitting type: Female fitting, vented
  • Application: Diesel fuel only
  • Dimensions: Across threads filler neck - 3 7/16”, Across threads cap - 3 3/8”
  • Weight: Approximately 10.5 oz

Key Features

  • Secure locking mechanism with 2 matching keys
  • Standard safety chain and cross bar included
  • Meets 49 CFR 393.67 requirements for vehicles built after Oct 1985
  • Replaces OEM parts: Freightliner #A03-15682-6, Western Star #43301-3403, Velvac #600183-6, Tectran #91-8104
  • Fits most Freightliner trucks after 1983 and Western Star trucks after 1982 with diesel fuel tanks and 3 1/2” nominal male pipe filler necks

Usage Scenarios

  • Truck drivers looking for a secure and reliable fuel cap for their Freightliner, Kenworth, or Western Star truck
  • Fleet owners and managers seeking to upgrade the fuel caps on their diesel trucks
  • Commercial truck drivers needing to meet regulatory requirements for their vehicles built after Oct 1985

Buying Considerations

  • Make sure to check the compatibility of the fuel cap with your truck's make, model, and year before purchasing
  • Consider the specific regulations in your region regarding the use of locking fuel caps
  • If you require additional keys, note that they are not available separately with this product

Conclusion

The Road King Truck Parts 3 3/8” Aluminum Locking Diesel Fuel Cap is a reliable and convenient solution for truck drivers in need of a secure fuel cap. With its included keys, safety chain, and cross bar, this fuel cap offers added security and ease of use. Make sure to check the compatibility of your truck and consider your specific regional regulations before making your purchase.

View Less

Introducing the Road King Truck Parts 3 3/8” Aluminum Locking Diesel Fuel Cap, designed specifically for select Freightliner, Kenworth, and Western Star trucks. This fuel cap is built with fine threads and a vented female fitting, making it the perfect fit for diesel applications. With its secure locking mechanism, 2 matching keys, and standard safety chain and cross bar included, this fuel cap offers convenience, safety, and peace of mind for truck drivers. Continue Reading

Customer Questions & Answers

  • Question: What is the size of the Road King Truck Parts Locking Aluminum Diesel Fuel Cap?

    Answer: The Road King Truck Parts Locking Aluminum Diesel Fuel Cap measures 3 12". This size is specifically designed to fit most diesel fuel tanks, providing a secure and reliable seal. The cap features 8 threads per inch (TPI), ensuring a snug fit that prevents fuel leaks and contamination. This makes it ideal for truck owners and fleet operators who prioritize safety and efficiency.
  • Question: What materials are used in the construction of the Road King Truck Parts Locking Fuel Cap?

    Answer: This fuel cap is constructed from high-quality aluminum, known for its durability and corrosion resistance. Aluminum is lightweight yet strong, making it an excellent choice for truck parts subject to the harsh conditions of the road. The locking mechanism adds an extra layer of security, ensuring that fuel remains protected from tampering and environmental factors, which is vital for truck fleets and long-distance drivers.
  • Question: How does the locking mechanism of this fuel cap work?

    Answer: The locking mechanism on the Road King Truck Parts Locking Aluminum Diesel Fuel Cap works by using a keyed lock, which secures the cap onto the fuel tank. This feature is designed to prevent unauthorized access to your fuel, reducing the risk of theft or contamination. It's particularly beneficial for fleet vehicles parked in public areas or for long-haul trucks making overnight stops, providing peace of mind.
  • Question: Can this fuel cap fit all types of diesel fuel tanks?

    Answer: While the Road King Truck Parts Locking Aluminum Diesel Fuel Cap is designed for compatibility with most diesel fuel tanks, it’s important to verify the size and thread specifications of your existing cap. The 3 12" size and 8 TPI ensure a versatile fit, making it suitable for many truck models. Check the manufacturer's guidelines, or consult with your mechanic to ensure compatibility before making a purchase.
  • Question: What advantages does aluminum offer for fuel caps compared to plastic?

    Answer: Aluminum offers several advantages over plastic for fuel caps. It is more resistant to high temperatures and provides better overall durability under pressure, making it less prone to cracking or warping. Additionally, aluminum caps provide a superior seal that helps to prevent evaporation of fuel. For truckers who operate in extreme conditions, an aluminum fuel cap ensures reliability and longevity during their journeys.
  • Question: Is installation of the Road King Truck Parts Locking Fuel Cap straightforward?

    Answer: Yes, installation of the Road King Truck Parts Locking Aluminum Diesel Fuel Cap is straightforward. Simply remove the old cap by turning it counterclockwise, and then screw the new cap onto the fuel tank by turning it clockwise until it seals securely. This user-friendly design allows truck owners to make the switch quickly, which is beneficial during refueling stops on the road.
  • Question: What maintenance is required for the locking fuel cap?

    Answer: To maintain the Road King Truck Parts Locking Aluminum Diesel Fuel Cap, regular inspections for dirt or debris around the sealing surface are recommended. Additionally, lubricating the locking mechanism with a graphite lubricant can ensure smooth operation and prevent it from seizing. This preventive maintenance helps prolong the life of the cap and ensures it continues to function effectively during use.
  • Question: Can this fuel cap prevent fuel evaporation?

    Answer: Yes, one of the key benefits of the Road King Truck Parts Locking Aluminum Diesel Fuel Cap is its ability to prevent fuel evaporation. The precise fit and locking mechanism create a tight seal that minimizes air exposure, subsequently minimizing fuel loss while also keeping contaminants out. This feature is especially important for long-distance haulers who rely on fuel efficiency to maximize their operations.
  • Question: Are there any specific truck models that this fuel cap is designed for?

    Answer: The Road King Truck Parts Locking Aluminum Diesel Fuel Cap is designed to meet the needs of various diesel truck models; however, its specific compatibility will depend on the tank's size and threading specifications. It is commonly used across popular truck brands, making it a versatile option for many truck owners. Always consult your vehicle's specifications to ensure a perfect fit.
  • Question: Where can I buy Road King Truck Parts 3 12" Locking Aluminum Diesel Fuel Cap, 8 TPI?

    Answer: You can purchase the Road King Truck Parts 3 12" Locking Aluminum Diesel Fuel Cap, 8 TPI at Ubuy, which is recognized for its wide range of automotive parts. Ubuy offers easy access to various vehicle components and provides a reliable platform for securing your truck's fuel cap and more.

Road King Truck Parts Fuel Tank Caps LFCAP8-FLWS Editorial Review

Road King Truck Parts 3 12" Locking Aluminum Diesel Fuel Cap, 8 TPI - Editorial Review If you're looking for a durable, locking diesel fuel cap for your truck, the Road King Truck Parts fuel cap is a great option. Made of aluminum and equipped with a built-in lock, it provides a sense of security for your fuel and truck, allowing you to travel worry-free. The locking mechanism may be somewhat wonky, as reported by some buyers, but for the price it's a small issue to deal with. One downside is that buyers have reported receiving the wrong size twice, so it's important to verify the correct size before purchasing. However, if you're lucky enough to receive the proper size, it's a good investment for truck owners who want to upgrade their fuel cap and protect their fuel from theft.

Customer Reviews & Ratings

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Pros

  • Made of durable aluminum
  • Built-in lock provides extra security
  • Affordable price

Cons

  • Locking mechanism may be faulty

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