DORMAN 576-820 Fuel Tank

( Brand: Dorman ), ( Manufacturer Part Number: 576-820 ), ( Part Type: Fuel Tank ), ( Manufacturer Warranty: 1 Year ), ( Mfr Code: 591 ), ( Item Length: 43.5 In ), ( Item Width: 16 In )

Review DORMAN Oe Solutions Fuel Tank

The **Dorman 576-820 Fuel Tank** is a high-quality, direct-fit replacement designed to restore the performance and reliability of vintage and classic vehicles with original equipment-grade craftsmanship. Engineered to meet or exceed OEM specifications, this fuel tank is meticulously manufactured to ensure a precise fit, eliminating the need for extensive modifications or customization. Constructed from durable, corrosion-resistant materials, it is built to withstand the demands of daily driving while maintaining fuel integrity, reducing the risk of leaks, cracks, or degradation over time. Ideal for a wide range of applications, including classic muscle cars, trucks, and performance vehicles from the 1960s through the 1980s, this tank is a trusted choice for enthusiasts seeking both authenticity and longevity. Its robust construction ensures a secure seal, preventing vapor loss and fuel evaporation, which helps maintain optimal engine performance and fuel efficiency. Whether restoring a beloved project car or upgrading an older vehicle, the Dorman 576-820 Fuel Tank delivers the reliability and precision needed to keep your engine running smoothly for years to come. Backed by Dorman s reputation for quality and compatibility, this component is a dependable solution for those who demand excellence in aftermarket replacements.

**Pros and Cons of Buying a Dorman 576-820 Fuel Tank**

The Dorman 576-820 is a replacement fuel tank designed for certain General Motors vehicles, particularly those with a 5.7L V8 engine (e.g., some Chevrolet and GMC trucks). Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Compatibility and Fitment**

The Dorman 576-820 is engineered to replace the original fuel tank in specific GM vehicles, ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation compared to aftermarket tanks that may not align perfectly.

2. **Durability and Quality**

Dorman is a well-known brand under the RockAuto umbrella, known for producing high-quality, durable replacement parts. The 576-820 is made from sturdy materials designed to withstand the stresses of fuel system operation, including vibration and temperature fluctuations.

3. **OEM-Style Design**

The tank closely resembles the original equipment manufacturer (OEM) design, which means it integrates seamlessly with existing fuel lines, clamps, and mounting brackets. This minimizes the need for additional modifications or custom fittings.

4. **Reliability for Fuel System Performance**

A properly functioning fuel tank ensures consistent fuel delivery to the engine, preventing issues like fuel starvation, clogging, or leaks. The Dorman tank is designed to maintain the vehicle s intended fuel capacity and pressure regulation.

5. **Warranty Coverage**

Dorman products typically come with a manufacturer s warranty, providing some level of protection against defects in materials or workmanship. This can offer peace of mind, especially if the tank fails prematurely.

6. **Ease of Installation**

Since the tank is designed for direct replacement, it often requires fewer adjustments than aftermarket alternatives. This can save time and labor costs, particularly for DIYers or those without extensive mechanical experience.

7. **Compatibility with Aftermarket Upgrades**

If you plan to modify your vehicle s fuel system (e.g., adding a fuel pump, upgrading injectors, or installing a turbocharger), the Dorman tank s standard fitment makes it a practical choice for maintaining compatibility with aftermarket components.

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### **Cons**

1. **Limited Vehicle Compatibility**

The Dorman 576-820 is not universal it is specifically designed for certain GM vehicles (e.g., 2000 2006 Chevrolet Silverado/GMC Sierra 5.7L V8 models). Purchasing it for an incompatible vehicle may result in a poor fit, requiring modifications or rendering it unusable.

2. **Potential for Leaks or Weaknesses**

While Dorman tanks are generally durable, some users report issues with fuel leaks at the seams or connections, particularly if the tank is not installed correctly or if the original mounting hardware is damaged. Proper sealing with fuel-safe tape and careful installation are critical.

3. **Higher Cost Compared to Generic Alternatives**

Dorman parts are priced higher than some no-name or generic aftermarket fuel tanks. For budget-conscious buyers, this may be a significant drawback, especially if the OEM tank is still functional but damaged.

4. **Weight Considerations**

Fuel tanks, by nature, are heavy when full. The Dorman 576-820 may not be significantly lighter than the OEM tank, which could affect fuel economy slightly if the vehicle is already carrying extra weight (e.g., heavy-duty towing or off-roading applications).

5. **Availability of Parts and Service**

While Dorman is a reputable brand, some smaller auto shops or independent mechanics may not carry their parts. This could complicate repairs or replacements if issues arise post-purchase.

6. **Potential for Rust or Corrosion Over Time**

Like all fuel tanks, the Dorman 576-820 is susceptible to rust or corrosion, particularly if the vehicle is driven in harsh conditions (e.g., salted roads, off-road use). Regular inspections and maintenance are necessary to prevent long-term damage.

7. **Mixed Reviews on Longevity**

Some owners report that the Dorman tank holds up well for years, while others experience failures after only a few thousand miles. This variability suggests that quality can depend on installation, usage, and environmental factors.

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### **Conclusion**

The Dorman 576-820 fuel tank is a solid choice for GM vehicle owners seeking a reliable, OEM-style replacement. Its primary strengths lie in its compatibility, durability, and ease of installation, making it a practical option for those who prioritize quality and fitment. However, its higher cost, limited compatibility, and potential for leaks or corrosion are notable drawbacks.

If your vehicle is within the specified fitment range and you value brand reliability, the Dorman tank is a worthwhile investment. For budget-conscious buyers or those with less common vehicles, it may be prudent to explore alternative brands or consult with a mechanic to confirm compatibility.

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### **Recommendation**

- Your vehicle is confirmed to be compatible (check your model year and engine configuration).

- You prioritize a high-quality, OEM-style replacement with minimal modifications required.

- You are willing to pay a premium for a reputable brand with warranty support.

- You plan to install it yourself or have access to a mechanic experienced with fuel system work.

- Your budget is tight, and you are open to exploring cheaper aftermarket options (though ensure they meet safety standards).

- Your vehicle is not an exact fit, and you may need to modify the tank or fuel lines.

- You have concerns about rust or corrosion in your climate, and you prefer a tank with additional corrosion protection (e.g., stainless steel or coated models).

For most GM 5.7L V8 owners needing a direct replacement, the Dorman 576-820 is a strong recommendation due to its balance of quality and reliability. Always verify fitment and inspect the tank for defects upon receipt before installation.

Details:

Fuel Tank Dorman OE Solutions 576-820. ABOUT THE BRAND: About Dorman: Dorman is a leading supplier of original equipment dealer exclusive automotive replacement parts hardware and brake fasteners to the Automotive Aftermarket household organizational products mass merchandisers. Dorman designs packages and markets over 92-000 different products manufactured to its specifications.

part #: 576820 prices

• $411.05-$474.71

specifications fueltanksysteme:

• brand: Dorman
• mpn: 576-820
• part type: Fuel Tank
• manufacturer warranty: 1 Year
• mfr code: 591
• item length: 43.5 In
• item width: 16 In

returns fueltanksysteme:

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

offer fueltanksysteme:

• quantity: 3
• started: April 1, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

general fueltanksysteme:

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

shipping fueltanksysteme:

• cost: $0.00
• type: Fixed
• service: Standard
• class: Standard
• transit: 2-6 Days

payments fueltanksysteme:

• credit card: Diners-club
• other
• wallet: Apple-pay

seller fueltanksysteme:

• rating: 99.7%
• city: Hempstead, New York
• # reviews: 22798

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