Best Fuel Tank Filler Necks of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Fuel tank filler necks are an integral component of a vehicle's fuel system. They serve as the connection between the fuel tank and the fuel cap, allowing for the safe and efficient filling of the tank. Made from high-quality materials such as steel, aluminum, or plastic, these filler necks are designed to withstand the rigors of daily use and exposure to the elements. Fuel tank filler necks are available in a variety of sizes and shapes to fit different vehicles, ensuring a proper fit and optimal performance. Whether for a car, truck, or SUV, a reliable fuel tank filler neck is essential for a smooth and trouble-free driving experience.
At a Glance: Our Top Picks
Top 10 Fuel Tank Filler Necks
Camoo 17-2530 Aluminum Fuel Tank Filler Neck
The Camoo Fuel Filler Neck is designed for custom applications, specifically for 2" fuel filler neck hoses. This setup is great for vehicles like dune buggies and hot rods, allowing you to mount the filler cap outside the cabin. This keeps harmful fuel odors and fumes away from your driving space. The kit includes a steel weld-on mount plate, ensuring a secure installation. With high-quality materials, including a billet aluminum cap, this product promises durability and longevity, making it a reliable choice for your fuel system needs.
Spectra Premium Fuel Filler Neck FN506
The Spectra Fuel Filler Neck is expertly crafted to meet original equipment standards, ensuring a perfect fit and easy installation for your vehicle. Its dual coating provides enhanced protection against corrosion, which can help extend the life of the component. Each unit undergoes rigorous leak testing after production, giving you peace of mind that it won’t cause fuel or evaporative leaks. Additionally, it is tested with the original equipment fuel cap to avoid issues with evaporative emissions and check engine light activation, ensuring your vehicle runs smoothly and efficiently.
Dorman Fuel Filler Neck for Chevrolet and GMC Models
The Dorman 577-095 Fuel Filler Neck is a direct replacement made of durable and corrosion-resistant materials to ensure long-lasting performance. It is regulatory compliant and meets emission and inspection standards. The product is backed by a team of engineers and quality control experts in the United States. To ensure proper fit, input your vehicle's make, model, and trim level into the garage tool.
WMPHE Fuel Tank Filler Neck Replacement
The WMPHE Fuel Filler Neck is designed specifically for 2005-2007 Ford F-350, F-450, and F-550 Super Duty models. This replacement part features a sturdy steel construction that minimizes fuel evaporation, ensuring you save money and time during refueling. Its double-layer coating provides excellent protection against corrosion and rust, enhancing the longevity of the component. Additionally, each unit undergoes thorough leak testing to guarantee that you won't experience any fuel leakage, giving you peace of mind while driving.
A-Premium Fuel Tank Filler Neck for Colorado & Canyon
The A-Premium Fuel Filler Neck is designed specifically for Chevrolet Colorado and GMC Canyon models from 2004 to 2008, ensuring a perfect fit for your vehicle. Constructed from corrosion-resistant materials, this filler neck is built to last and minimizes the risk of future failures. Its steel composition offers low fuel permeability and excellent resistance to gasoline and chemicals, preventing leaks during refueling. With a one-year unlimited-mileage guarantee, you can purchase this product with confidence, knowing it will help keep your vehicle running smoothly.
TRQ Fuel Filler Neck for Mustang
The TRQ Mustang Fuel Filler is designed as a direct replacement for your 1999-2004 Ford Mustang. This means you can easily install it without any modifications, saving you time and effort. It's specifically tailored to fit your vehicle, ensuring compatibility and a seamless integration. With multiple OE and aftermarket reference numbers, you can verify that this part is the right choice for your car. This replacement guarantees that you will have a reliable fuel filler neck, enhancing your vehicle's performance and safety during refueling.
A-Premium Fuel Tank Filler Neck for Ford Escape, Mazda Tribute, Mercury Mariner
The A-Premium Fuel Filler Neck is designed to fit various Ford Escape, Mazda Tribute, and Mercury Mariner models, ensuring compatibility with your vehicle. Constructed from corrosion-resistant materials, this filler neck enhances durability and reduces the risk of future failures. It features a steel design that minimizes fuel permeability, effectively preventing leaks during refueling and contributing to safe driving. Additionally, it comes with a 1-Year Unlimited-Mileage Warranty, so you can buy with confidence knowing that customer support is readily available to ensure your satisfaction.
A-Premium Fuel Tank Filler Neck for Ford Ranger & Mazda
The A-Premium Fuel Filler Neck is designed for specific models of the Mazda B2300, B3000, B4000, and Ford Ranger from 1993 to 1997, ensuring a perfect fit for your vehicle. This compatibility means you can easily replace your old or damaged filler neck without any hassle. The reference numbers provided help you verify that this part is right for your car, giving you confidence in your purchase. Plus, A-Premium backs their product with a one-year unlimited-mileage guarantee, so you can drive with peace of mind knowing that your investment is protected.
A-Premium Fuel Tank Filler Neck for Silverado/Sierra
The A-Premium Fuel Neck is designed to fit various Chevrolet Silverado 1500 and GMC Sierra 1500 models from 2007 to 2016. This compatibility ensures that whether you have a V6 or V8 engine, you can easily replace your fuel filler neck. Made from corrosion-resistant materials, it promises durability and reduces the risk of future issues. Additionally, it is specifically designed for models with a threaded cup type, ensuring a secure fit. This product not only enhances your vehicle's fuel system but also provides peace of mind with its robust construction.
Fuel Gas Tank Filler Neck Tube Rubber Grommet Seal
This Seal is a direct replacement for various Dodge, Chrysler, Plymouth, and AMC models between 1962 and 1976. The grommet is made of quality and durable Buna-N / Nitrile rubber from Japan. It is not compatible with certain station wagons. Check the size before purchasing. Adding lubricant makes installation easier. A small gasket seal helps to fix the tank leak problem. The 3mirrors brand sells professional auto parts and provides free technical support. Contact them for new replacement or refund if you are not satisfied.
Frequently Asked Questions (FAQs)
1. What causes a fuel filler neck to fail?
Fuel filler necks are typically made of steel and are prone to rust and leakage due to the accumulation of dirt and debris. The rusting and deterioration of the filler neck, which is usually located in the rear fender well, can lead to failure.
2. What does a fuel tank filler neck do?
The fuel tank filler neck serves as the entry point for fuel in a vehicle. It connects the pump nozzle to the fuel tank, allowing fuel to be transferred into the tank during refueling.
3. Can a fuel filler neck be fixed?
If a fuel filler neck is faulty or damaged, it can be replaced by a certified mechanic. This process involves inspecting the filler neck, removing the old one, and installing a replacement if necessary. It is a complex procedure that typically takes around 2.5 hours to complete.
4. What are the symptoms of a bad fuel filler neck?
Some common symptoms of a bad or failing fuel filler neck include a fuel smell, the Check Engine Light coming on, and fuel leaks. These signs indicate that there may be an issue with the fuel filler neck that needs to be addressed.
5. Can you use silicone hose for fuel filler neck?
No, silicone hose is not suitable for use as a fuel filler neck. Fuel filler hoses should be made of nitrile rubber, as silicone is not a good material for this purpose.
6. What can a loose filler cap on your fuel tank cause?
A loose filler cap on the fuel tank can cause fuel vapors to escape and let in dirt and grime. This can lead to issues with the emissions system, triggering the check engine light. Additionally, dirt and grime entering the fuel tank can contaminate fuel injectors.
7. When should I replace my fuel filler neck?
You should consider replacing your fuel filler neck if you notice a strong gas odor after filling up the vehicle, fuel spilling out from underneath the vehicle, puddles of gas under the car after periods of inactivity, or significantly decreased fuel mileage. These signs indicate potential issues with the fuel filler neck that may require replacement.
During our fuel tank filler neck research, we found 24 fuel tank filler neck products and shortlisted 10 quality products. We collected and analyzed 5,266 customer reviews through our big data system to write the fuel tank filler necks list. We found that most customers choose fuel tank filler necks with an average price of $49.92.
The fuel tank filler necks are available for purchase. We have researched hundreds of brands and picked the top brands of fuel tank filler necks, including Camoo, Spectra Premium, Dorman, WMPHE, A-Premium. The seller of top 1 product has received honest feedback from 371 consumers with an average rating of 4.8.

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.