DORMAN 577-873 Fuel Filler Neck FN902

( Brand: Dorman ), ( Manufacturer Part Number: 577-873 ), ( Part Type: Fuel Filler ), ( Ipn: Fn902 ), ( Compatibility: 1999 Jeep Cherokee Classic Sport Utility 4-door 4.0l 242cu. In. L )

Review DORMAN Fuel Filler Neck Assembly

The **Dorman 577-873 Fuel Filler Neck** is a high-quality, direct-fit replacement part designed to restore optimal performance and functionality to your vehicle s fuel system. Crafted from durable, corrosion-resistant materials, this filler neck is engineered to meet or exceed OEM specifications, ensuring a precise fit and reliable operation for a wide range of applications. Whether you're restoring a classic car, upgrading an older vehicle, or replacing a worn-out component, this fuel filler neck delivers the precision and durability needed to maintain fuel efficiency and prevent leaks. Its robust construction includes a sturdy metal housing and a secure sealing mechanism, which helps minimize fuel evaporation and contamination while providing a smooth, hassle-free refueling experience. The design is optimized for easy installation, with clear alignment guides and compatible gasket surfaces to ensure a tight, leak-proof seal. Ideal for use on select Ford, GM, and Chrysler vehicles, this part is a trusted choice for mechanics and DIY enthusiasts alike, offering both performance and longevity. With Dorman s reputation for quality and reliability, the 577-873 filler neck is a dependable solution for keeping your vehicle s fuel system in top condition.

### **Pros and Cons of buying a Dorman 577-873 Fuel Filler Neck**

1. **Compatibility** The Dorman 577-873 is designed as an exact replacement for many GM vehicles, including the 1994 2004 Chevrolet/GMC trucks and SUVs (e.g., Silverado, Sierra, Tahoe, Suburban). This ensures a direct fit without modification, reducing installation hassle.

2. **Quality Construction** Dorman is a well-known brand under the Carter brand group, which specializes in automotive replacement parts. Their fuel filler necks are typically made from durable materials like stainless steel or high-grade plastic, offering better longevity than some aftermarket alternatives.

3. **Reliability** Since Dorman parts are widely used in the automotive industry, they are rigorously tested for performance and durability. This reduces the risk of premature failure or leaks, which can be common with cheaper or generic replacements.

4. **Ease of Installation** The part is designed to fit standard fuel filler openings, and many users report that it installs quickly with basic tools. The gasket or seal included usually ensures a tight fit, preventing fuel spills during refueling.

5. **Warranty Coverage** Dorman parts often come with a limited warranty (typically 12 24 months), providing some recourse if the part fails due to manufacturing defects.

6. **Availability** As an OEM (Original Equipment Manufacturer) replacement, the part is widely stocked at auto parts stores (AutoZone, O Reilly, RockAuto, etc.), making it easy to purchase without long waits.

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1. **Cost** While not excessively expensive, Dorman parts are generally more costly than generic or no-name alternatives. For example, the 577-873 typically ranges between $30 $60, depending on the retailer, which may be higher than budget options.

2. **Potential Overkill for Some Applications** If your vehicle s original fuel filler neck was already in good condition, replacing it with a new one may not be strictly necessary unless you re addressing a specific issue (e.g., cracks, leaks, or damage).

3. **Mixed Reviews on Gaskets** Some users report that the included gasket or seal may not always provide a perfect seal, leading to minor leaks around the filler neck. This can sometimes require additional sealing compound or adjustment during installation.

4. **Limited Customization** Unlike some aftermarket parts, the Dorman 577-873 does not offer custom colors, lengths, or additional features (e.g., integrated fuel caps). If aesthetics or functionality beyond basic replacement are a priority, you may need to explore other options.

5. **Installation Challenges for Non-Mechanics** While straightforward, improper installation (e.g., overtightening, misalignment) can damage the filler neck or surrounding components. Those without mechanical experience may need to seek professional help, adding to the cost.

6. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., third-party online marketplaces) could result in counterfeit Dorman parts that fail prematurely. Buying from reputable retailers minimizes this risk.

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### **Conclusion**

The Dorman 577-873 fuel filler neck is a solid choice for GM vehicle owners needing a reliable, direct replacement. Its strengths lie in its compatibility, durability, and ease of installation, making it a practical option for both DIYers and professionals. However, the higher cost compared to generic alternatives and potential minor installation quirks should be considered.

If your primary goal is a **durable, long-lasting replacement** with minimal risk of failure, the Dorman part is a strong recommendation. If you re on a tight budget or the original part is still functional, weighing the necessity of replacement against the cost is advisable.

### **Recommendation**

- Your vehicle s original filler neck is damaged, leaking, or difficult to remove.

- You prioritize quality and reliability over cost savings.

- You re comfortable with basic installation or have access to a mechanic.

- The original part is still in good condition and you re looking to save money.

- You re open to aftermarket brands (e.g., Spectre, Moroso) that may offer similar performance at a lower price.

- You need additional features (e.g., reinforced seals, custom colors) not provided by Dorman.

For most GM truck/SUV owners facing a failed or problematic fuel filler neck, the Dorman 577-873 is a **highly recommended** replacement due to its balance of quality and compatibility. Always verify compatibility with your specific vehicle year/model before purchasing.

Details:

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, reliability, and performance. Dorman 577-873 Fuel Filler Neck Assembly: Part Number: Manufacturer. Designed specifically for trucks, trailers, and buses.

Manufactured following strict OE standards to work like the original component. Engineered using the latest technology to ensure product lasts longer in service.

part #: 577873 prices

• $50.17-$62.27

specifications fueltanksysteme:

• brand: Dorman
• mpn: 577-873
• part type: Fuel Filler
• ipn: Fn902
• compatibility: 1999 Jeep Cherokee Classic Sport Utility 4-door 4.0l 242cu. In. L

payments fueltanksysteme:

• other
• wallet: Apple-pay
• credit card: Visa

returns fueltanksysteme:

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

offer fueltanksysteme:

• sold: 0
• best offers: True
• quantity: 5
• started: February 7, 2026
• options: Ship-to-home
• availability: In Stock

general fueltanksysteme:

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

shipping fueltanksysteme:

• class: Standard
• cost: $0.00
• type: Fixed
• transit: 4-7 Days
• service: Standard

seller fueltanksysteme:

• # reviews: 64445
• city: Los Angeles, California
• rating: 99.2%

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