DORMAN 574-037 Fuel Filler Neck Tank 889245980496

( Brand: Dorman ), ( Manufacturer Part Number: 574-037 ), ( Manufacturer Warranty: 1 Year ), ( Type: Fuel Tank Filler Neck ), ( UPC: 889245980496 )

Review DORMAN Fuel Filler Neck tank

The **Dorman 574-037 Fuel Filler Neck/Tank Neck** is a high-quality, direct-fit replacement part designed to restore proper functionality and aesthetics to your vehicle s fuel system. Engineered to meet or exceed OEM specifications, this fuel filler neck is crafted from durable, corrosion-resistant materials to ensure long-lasting performance in even the most demanding driving conditions. The neck features a precise, interference-fit design that securely attaches to the fuel tank, preventing leaks and ensuring a tight seal that maintains fuel integrity. Its smooth, contoured shape not only enhances the vehicle s original appearance but also reduces the risk of debris or moisture ingress, which can compromise fuel efficiency and engine performance. Whether you re restoring a classic car, upgrading an older vehicle, or replacing a damaged component, this fuel filler neck offers a reliable, hassle-free solution that blends seamlessly with your vehicle s existing fuel system. Built to withstand the rigors of daily use, it provides a secure connection for the fuel cap, ensuring a proper seal that prevents fuel vapors from escaping and keeps contaminants out of the tank. Ideal for a wide range of applications, including but not limited to GM, Ford, and Chrysler vehicles, this part is a trusted choice for mechanics and DIY enthusiasts alike who demand both quality and compatibility.

**Pros and Cons of buying a Dorman 574-037 Fuel Filler Neck/Tank Neck**

The Dorman 574-037 is a replacement fuel filler neck and tank neck assembly designed for certain General Motors vehicles, particularly those with a top-fill fuel tank configuration. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Direct Fitment and Compatibility**

The Dorman 574-037 is engineered as an OEM (Original Equipment Manufacturer) replacement part, meaning it is designed to match the exact specifications of the original component. This ensures proper alignment, sealing, and functionality with the vehicle s fuel system. It is particularly well-suited for GM vehicles such as the Chevrolet Silverado, GMC Sierra, and some models of the Chevrolet Tahoe and Suburban from the late 1990s to early 2000s.

2. **Durability and Quality**

Dorman is a well-known brand under the Motorcraft line (owned by Ford but widely trusted in the aftermarket), and this part is manufactured to withstand the stresses of automotive use. The material is typically sturdy, resistant to fuel degradation, and designed to prevent leaks over time. The gasket or seal included is often high-quality, reducing the risk of fuel spills.

3. **Ease of Installation**

This part is typically a straightforward bolt-on replacement. The fuel filler neck and tank neck are often integrated into a single unit, simplifying the installation process compared to separate components. Most vehicles require only basic tools (socket wrench, torque wrench, and possibly a fuel line disconnect tool). Installation guides are usually available online, and many mechanics find it a relatively quick job (under an hour for experienced hands).

4. **Cost-Effective Solution**

Compared to purchasing an entire fuel tank or a custom-fitted replacement part, the Dorman 574-037 is a budget-friendly option. It avoids the need for costly modifications or specialized parts, making it a practical choice for DIYers or those on a tight budget. Pricing is generally competitive with other aftermarket brands.

5. **Widespread Availability**

Dorman parts are widely stocked by auto parts retailers, both online (Amazon, RockAuto, Dorman s official site) and in physical stores (AutoZone, O Reilly, NAPA). This makes it easy to purchase without long wait times or shipping delays. Many retailers also offer return policies or warranties, providing added peace of mind.

6. **Prevents Fuel Leaks and Contamination**

A faulty or damaged fuel filler neck can lead to leaks, which pose fire hazards and contaminate the fuel system. Replacing it with this Dorman part helps maintain the integrity of the fuel system, ensuring clean fuel delivery to the engine and preventing potential damage to the fuel pump or injectors.

7. **Compatibility with Aftermarket Upgrades**

If you ve installed an aftermarket fuel cap or modified your fuel system, the Dorman part is often compatible with these upgrades. It is designed to work seamlessly with standard fuel filler neck configurations, making it a versatile choice for customization projects.

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### **Cons**

1. **Limited Vehicle Compatibility**

While the Dorman 574-037 is a popular part, it is not universal. It is specifically designed for certain GM vehicles, particularly those with a top-fill fuel tank and a matching neck configuration. Purchasing it for a vehicle that doesn t match the part number could result in a poor fit, leaks, or difficulty installing it. Always verify compatibility with your vehicle s year, make, and model before buying.

2. **Potential for Counterfeit or Low-Quality Parts**

Like many aftermarket parts, Dorman products can sometimes be counterfeited or mislabeled. Buying from untrusted sellers (especially on third-party marketplaces) may result in receiving a knockoff that doesn t meet quality standards. This could lead to leaks, poor sealing, or premature failure. Stick to reputable retailers or the Dorman official website to avoid this risk.

3. **Gasket or Seal Issues**

While Dorman parts are generally reliable, some users report that the included gasket or seal may not be as durable as the original. Over time, the seal could degrade, leading to leaks around the neck. In such cases, upgrading to a higher-quality gasket (such as those from AMSOIL or Flex Seal) may be necessary.

4. **Fuel Line Disconnection Challenges**

Some vehicles have fuel lines or electrical connectors attached to the filler neck that can be tricky to disconnect and reconnect. Improper handling during installation could damage the lines or connectors, leading to additional repair costs. Careful attention to detail is required during installation to avoid this issue.

5. **Potential for Misalignment**

If the fuel tank or surrounding components have been damaged or modified, the Dorman part may not align perfectly. This could result in a loose fit, difficulty sealing, or even damage to the part during installation. In such cases, additional modifications (such as resurfacing the tank neck) may be necessary.

6. **Limited Warranty or Customer Support**

While Dorman offers a warranty on its parts, the terms may vary depending on the retailer. Some aftermarket parts come with minimal warranties, and resolving issues under warranty can sometimes be cumbersome. Always check the warranty details before purchasing to understand your coverage.

7. **DIY Installation Risks**

- Difficulty removing the old part (rusted bolts, stuck seals).

- Improper torque on bolts, leading to leaks or damage.

- Misalignment of the fuel filler neck, causing it to hang improperly or not seal correctly.

For those uncomfortable with mechanical work, hiring a professional may be safer and more cost-effective in the long run.

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### **Conclusion**

The Dorman 574-037 fuel filler neck and tank neck is a solid aftermarket replacement part that offers several advantages, including direct fitment, durability, ease of installation, and cost-effectiveness. It is an excellent choice for GM vehicle owners who need to replace a damaged or worn filler neck and want a reliable, OEM-quality solution.

However, it is not without its drawbacks. The part s compatibility is limited to specific vehicles, and purchasing from untrusted sources could lead to counterfeit or low-quality products. Installation challenges, potential gasket issues, and the risk of misalignment are also factors to consider, particularly for those without mechanical experience.

For most users, the benefits outweigh the cons, especially when purchasing from a reputable retailer and verifying compatibility beforehand. If you are confident in your ability to perform the installation or are working with a trusted mechanic, this part is a practical and cost-efficient solution.

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### **Recommendation**

If you are replacing a fuel filler neck on a compatible GM vehicle (such as a 1998 2003 Chevrolet Silverado 1500 or GMC Sierra), the Dorman 574-037 is a highly recommended choice. Here s how to proceed:

1. **Verify Compatibility**: Double-check that your vehicle s year, make, and model match the part s specifications. Use resources like the Dorman website, RockAuto, or your vehicle s service manual to confirm.

2. **Purchase from a Trusted Source**: Buy the part from an authorized Dorman retailer (such as AutoZone, NAPA, or the official Dorman website) or a well-reviewed online seller (Amazon, RockAuto) to avoid counterfeit products.

- Gather the necessary tools (socket wrench set, torque wrench, fuel line disconnect tool, and possibly a gasket scraper).

- Have a fuel funnel and container ready to catch any residual fuel.

- Consider upgrading the gasket or seal if your vehicle has a history of leaks.

- Disconnect the battery to prevent electrical shorts.

- Drain any remaining fuel from the tank (or have it professionally drained if you re uncomfortable doing so).

- Remove the old filler neck carefully, noting how it was attached (bolts, clips, or seals).

- Install the Dorman part, ensuring proper alignment and torque (typically 10 15 ft-lbs for bolts, unless specified otherwise).

- Reconnect fuel lines and electrical connectors securely.

- Test for leaks by filling the tank slightly and checking for drips.

If you are unsure about any step particularly working with fuel lines or electrical components consult a mechanic. A professional installation can prevent costly mistakes and ensure the part functions correctly.

After installation, keep an eye on the filler neck for leaks or improper sealing. If you notice any issues, address them promptly to avoid fuel spills or system contamination.

In summary, the Dorman 574-037 is a dependable and widely used replacement part for its intended applications. With proper preparation and care, it will provide a long-lasting solution for your vehicle s fuel system.

Details:

Fuel filler neck leaking. Part Numbers. Information like which side a part fits LEFT or RIGHT and specific vehicle attributes Transmission, AWD/RWD, other exclusions are included for your information in this LEFT COLUMN. This part fits vehicles made in the following years 199 7,1998,1999,2000,2001,2002,2003.

FINISH MATERIAL COLOR shown in the listing image will often vary from actual part shipped. The image USUALLY shows all the pieces and qty included with part. Fuel Tank Filler Neck.

part #: 574037 prices

• $134.34-$182.86

specifications fueltanksysteme:

• brand: Dorman
• mpn: 574-037
• manufacturer warranty: 1 Year
• type: Fuel Tank Filler Neck
• upc: 889245980496

returns fueltanksysteme:

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

general fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

offer fueltanksysteme:

• sold: 0
• availability: In Stock
• started: April 24, 2026
• quantity: 1
• options: Ship-to-home

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Visa

seller fueltanksysteme:

• rating: 99.6%
• city: Santa Fe Springs, California
• # reviews: 3967

shipping fueltanksysteme:

• type: Calculated
• transit: 4-10 Days
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail
• class: Standard, Expedited
• cost: $123.20
• carrier: FedEx, USPS

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