A failing fuel tank filler neck must be fixed right away because it can cause fuel odors, seepage near the fill area, and evaporative emission control system (EVAP)-related check engine lights that can derail inspections. Rust, cracked welds, and damaged vent connections don’t just make fueling messy. They can also create vapor leaks that trigger repeat visits to the pump. If you notice stains around the filler inlet or smell gas after fill-ups, it might be time to get a replacement fuel tank filler neck.
This replacement needs to match your vehicle’s routing, mounting points, and hose and vent layout. These details matter because a slightly wrong bend or bracket can stress the joints, create new leaks, or make the fuel nozzle click off early. A good brand puts fit first, then backs it with corrosion resistance so that the repair lasts.
Aftermarket replacement fuel tank filler necks are as durable as their OE counterparts but they’re more affordable, which means you can get the same quality while saving money. Check out high-quality replacement fuel tank filler necks at CarParts.com today.
Different brands stand out for different reasons. Some focus on direct-fit precision, others cover more vehicles, and a few sell kits that replace the neck and the related hardware in one shot. Here are six brands worth considering.
JC Whitney has a long history in aftermarket parts, with a reputation built around practical replacements and restoration-friendly options. Today, it operates as a modern private-label brand with a focus on OE-style replacement parts at reasonable prices. This is important for filler necks because correct routing and bracket placement often decide whether the job goes smoothly.
Key Features
Our Score: 10/10
Liland Global builds a wide range of aftermarket components and includes fuel tank filler necks as part of its core catalog. This brand leans into OE-style replacements and broad coverage across many platforms. This depth helps when your vehicle uses a specific filler route or vent layout that generic parts don’t match well.
Key Features
Our Score: 9/10
Dorman is one of the best-known names in the aftermarket, and it’s widely recognized for vehicle-specific replacement parts. Its OE Solutions line targets common failure points with parts designed to match factory geometry. This matters for filler necks because a small mismatch can lead to leaks, EVAP faults, or repeated fueling issues.
Key Features
Our Score: 9/10
A-Premium sells a broad mix of replacement parts across many categories,with competitive selection and pricing. Because it spans so many product lines, experiences can vary by part type and vehicle. The brand has many filler necks and accessible price points, which helps when you need a replacement quickly.
Key Features
Our Score: 8/10
Key Parts focuses heavily on restoration and replacement parts, especially for classic trucks. It often sells filler neck options as kits that include related pieces like hoses and clamps. This kit-first approach fits older vehicles well because the neck usually isn’t the only worn part in the system.
Key Features
Our Score: 8/10
Omix, often sold as Omix-ADA, specializes in Jeep replacement parts. This brand focuses on OE-style replacements built for specific Jeep platforms, which helps when fitment gets picky. For filler necks, this specialization can matter because hose sizing and routing often vary across Jeep model years.
Key Features
Our Score: 8/10
If you want a strong balance of pricing, selection, and fitment cues, start with JC Whitney. It covers a wide range of applications, and it includes both individual necks and kit options. The product listings also tend to include the details that help you pick the right part without overthinking it.
Here’s what to consider:
Start by matching the vehicle details that drive fitment: year, make, model, engine, and any notes tied to body style or wheelbase. Then look at the part’s routing and mounting points. If your vehicle uses EVAP-related connections or sensor provisions, match that setup so you don’t end up with new warning lights after the repair.
Most filler neck failures are due to corrosion or fatigued joints near high-stress points. Look for materials and finishes that hold up to road spray and salt. If your old neck rusted near the cap area or mounting flange, treat corrosion resistance as a deciding factor rather than a nice-to-have.
A new neck won’t fix cracked hoses or corroded clamps. If the rubber looks dry, swollen, or soft near the ends, replace these pieces at the same time. A kit can also cut down on repeat work because it refreshes the whole connection instead of only the metal section.
Reviews won’t replace fitment checks, but they can reveal patterns. Look for comments about bracket alignment, sealing, and whether fueling feels normal again. If many buyers mention early nozzle shutoff or awkward fit, treat this as a warning sign and consider a different part or brand.
A filler neck can be bulky, and shipping can swing the final cost. Promotions and shipping programs can also change which brand makes the most sense. Factor in any extra hardware you’ll need, and consider the time cost of a return if the routing doesn’t match your vehicle.
Ready to replace your filler neck and get rid of leaks, fumes, and frustrating fill-ups? Head to CarParts.com and use our vehicle selector to narrow options for the right fit. Pick a filler neck that matches your vehicle’s routing and connections, then order with confidence so you can get the repair done and drive without second-guessing your ride’s fuel system.
Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.