GATES SX-9804 Fuel Tank Gas Cap Caballero Storage 5.7L V8

( Brand: Gates ), ( Manufacturer Part Number: SX-9804 ), ( Type: Fuel Tank Cap ), ( Placement On Vehicle: Air Fuel Delivery Hardware Fasteners Fittings ), ( Item Width: 3.630 ), ( Item Height: 3.000 ), ( Manufacturer Warranty: Recommended Service Interval ), ( Ipn: C794 39-51 ), ( Compatible Model: Caballero ), ( Compatible Year: 1984 1983 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Gmc Caballero 5.7l V8 Gas Delivery Storage Oz fits 1983–1984

The **Gates SX-9804 Fuel Tank Cap** is a meticulously engineered replacement part designed specifically for the 1983 1984 GMC Caballero equipped with a 5.7L V8 gasoline engine. Crafted from high-quality, durable materials, this fuel tank cap ensures a secure and reliable seal, preventing fuel vapors from escaping while maintaining optimal pressure within the fuel system. The cap features a robust, threaded design that aligns perfectly with the vehicle s fuel filler neck, providing a tight, leak-proof fit that safeguards against spills and contamination. Its sturdy construction resists warping, corrosion, and wear over time, making it a long-lasting solution for maintaining the integrity of your vehicle s fuel system. Beyond its functional benefits, the Gates SX-9804 also incorporates a sleek, factory-matched appearance, blending seamlessly with the original equipment design while offering enhanced durability compared to standard aftermarket alternatives. Whether you're performing routine maintenance or addressing a worn-out or damaged cap, this part is an ideal choice for restoring both performance and reliability to your GMC Caballero.

**Pros and Cons of buying a Gates SX-9804 Fuel Tank Cap for a 1983-1984 GMC Caballero 5.7L V8 Gas Storage**

### **Pros**

1. **OEM Fitment and Compatibility** The Gates SX-9804 is designed as a direct replacement for the original equipment manufacturer (OEM) fuel cap on your 1983-1984 GMC Caballero with a 5.7L V8 engine. This ensures an exact fit, reducing the risk of leaks or improper sealing.

2. **High-Quality Materials** Gates is a well-known brand in automotive aftermarket parts, known for using durable materials that resist corrosion, warping, and wear over time. The cap is likely made from sturdy plastic and features a reliable sealing gasket.

3. **Easy Installation** Since it is a direct replacement, installing the Gates cap is straightforward and typically requires no modifications to the fuel tank or surrounding components. Most users can replace it in under 10 minutes with basic tools.

4. **Reliability and Longevity** Gates products are generally built to last, reducing the likelihood of premature failure. A properly installed and maintained fuel cap can last the life of the vehicle without issues.

5. **Availability and Support** Gates parts are widely available through online retailers, auto parts stores, and dealerships. If issues arise, Gates offers customer support and return policies, which can be reassuring for buyers.

6. **Prevents Fuel Evaporation and Vapor Loss** A properly sealed fuel cap helps maintain fuel pressure in the tank, reducing fuel evaporation and improving fuel economy slightly over time.

7. **Compatibility with Modern Vehicles** While your Caballero is older, the Gates cap is designed to work with modern fuel systems, including those with fuel vapor recovery systems (EVAP), ensuring proper function.

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### **Cons**

1. **Potential for Counterfeit or Low-Quality Replacements** Purchasing from untrusted sellers (especially online marketplaces with no return policies) could result in a counterfeit or substandard product. Always buy from reputable retailers to avoid this risk.

2. **Price Consideration** While not excessively expensive, the Gates SX-9804 may be slightly more costly than generic or no-name alternatives. However, the trade-off is usually worth it for reliability.

3. **Gasket Wear Over Time** Even high-quality fuel caps can develop worn or brittle gaskets after years of use, especially if the vehicle is exposed to extreme temperatures or harsh conditions. Regular inspection and replacement of the gasket may be necessary.

4. **Misalignment During Installation** If not installed correctly, the cap could be misaligned, leading to improper sealing, fuel leaks, or difficulty removing it later. Careful installation is required to avoid this.

5. **Limited Customization** Since this is an OEM replacement, there are no customization options (e.g., different colors or styles), which may be a minor drawback for those seeking aesthetic upgrades.

6. **Possible EVAP System Issues** Older vehicles like the Caballero may have EVAP systems that are sensitive to improperly sealed or loose fuel caps. If the cap doesn t seal tightly, it could trigger a check engine light or EVAP system malfunction.

7. **Environmental Exposure Risks** If the cap is left off or damaged, fuel vapors can escape, posing a fire hazard or environmental risk. Always ensure the cap is securely in place.

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### **Conclusion**

The Gates SX-9804 fuel tank cap is a strong choice for your 1983-1984 GMC Caballero 5.7L V8 due to its OEM fitment, durability, and reliability. The pros significantly outweigh the cons, particularly for those who prioritize quality and long-term performance. The main drawbacks such as the risk of counterfeit products or minor installation challenges can be mitigated by purchasing from trusted sources and following proper installation procedures.

### **Recommendation**

**Buy the Gates SX-9804 fuel tank cap** if you value a direct replacement part that is built to last and fits seamlessly with your vehicle. To ensure the best experience:

- Purchase from a reputable retailer (e.g., RockAuto, Amazon with verified sellers, or a local auto parts store).

- Inspect the cap for quality upon arrival and check for any damage to the gasket or threads.

- Follow the manufacturer s installation instructions carefully to avoid misalignment.

- Consider replacing the gasket if it appears worn, even if the cap itself is new.

If budget is a concern, a generic OEM replacement cap from a trusted brand (e.g., AC Delco or Bosch) could be a cost-effective alternative, though Gates remains the safer, higher-quality option. Always prioritize proper sealing to maintain fuel system integrity and avoid potential issues.

Details:

Gates Fuel Tank Cap for 1983 - 1984 GMC Caballero 5.7L V8 Gas Delivery storage oz: Status: In Stock.

part #: sx9804 prices

• $23.39-$32.50

specifications fueltanksysteme:

• for makes: Gmc
• for years: 1983-1984
• brand: Gates
• mpn: Sx-9804
• type: Fuel Tank Cap
• placement on vehicle: Air Fuel Delivery Hardware Fasteners Fittings
• item width: 3.630
• item height: 3.000
• manufacturer warranty: Recommended Service Interval
• ipn: C794 39-51
• compatible model: Caballero
• compatible year: 1984 1983
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

returns fueltanksysteme:

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

offer fueltanksysteme:

• quantity: 4
• options: Ship-to-home
• availability: In Stock
• started: May 12, 2026
• sold: 0

general fueltanksysteme:

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

payments fueltanksysteme:

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

shipping fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• # reviews: 656070
• rating: 99.6%

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