GATES SX-4666 Fuel Tank Cap Fargo Panel Oh 3.7L 5.1L 5.2L

( Brand: Gates ), ( Manufacturer Part Number: SX-4666 ), ( 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: C766 74-67 ), ( Compatible Make: Fargo ), ( Compatible Model: F100 Panel Delivery ), ( Compatible Year: 1965 1964 1963 1962 1961 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Fargo Panel Delivery 3.7l 5.1l 5.2l Oh fits F100 1961–1965

The **Gates SX-4666 Fuel Tank Cap** is a meticulously engineered, high-performance replacement part designed specifically for the classic 1961 through 1965 Fargo F-100 pickup trucks equipped with the iconic **3.7L, 5.1L, or 5.2L inline-six engines** particularly those featuring the **Panel 3.7L or 5.2L configurations** common in this era. Crafted from durable, corrosion-resistant materials, this fuel tank cap is built to withstand the rigors of daily use while maintaining a sleek, vintage aesthetic that complements the rugged charm of your Fargo. The cap features a **secure, tamper-resistant locking mechanism**, ensuring that fuel vapors remain contained within the system, reducing evaporation and minimizing environmental impact a critical consideration for both performance and compliance with modern emissions standards. Its **precision-machined threads** guarantee a tight, leak-proof seal, preventing fuel spills and maintaining optimal engine performance by ensuring a consistent fuel supply. The cap s **distinctive, retro styling** including the classic Gates branding and polished metal finish adds a touch of authenticity to your vehicle s original appearance, making it an ideal choice for both restoration projects and daily drivers who appreciate the balance of function and heritage. Whether you re restoring a show-worthy Fargo or simply maintaining your trusted workhorse, the Gates SX-4666 is the perfect blend of reliability, heritage, and performance, ensuring your fuel system operates smoothly for years to come.

### Pros and Cons of buying a Gates SX-4666 Fuel Tank Cap for a 1961-1965 Fargo F-100 (3.7L, 5.1L, 5.2L Engines)

1. **Compatibility** The Gates SX-4666 is specifically designed for the 1961-1965 Fargo F-100, including the 3.7L, 5.1L, and 5.2L engines, ensuring a proper fit without modifications.

2. **Durability** Gates is a well-known manufacturer of high-quality automotive parts, including fuel tank caps. This cap is likely made from sturdy materials that resist wear, corrosion, and fuel vapor leakage over time.

3. **Seal Integrity** A properly sealed fuel tank cap prevents fuel vapors from escaping, reducing evaporation and maintaining proper fuel pressure. This helps improve fuel efficiency and reduces emissions.

4. **Easy Installation** The design appears to be straightforward, requiring minimal tools and effort to replace the existing cap. No special skills are needed for installation.

5. **Prevents Contamination** A secure, well-sealed cap keeps moisture, dirt, and debris out of the fuel tank, protecting the fuel system from contamination.

6. **OEM Replacement Option** If the original cap was damaged or lost, this Gates part serves as a direct replacement, maintaining the vehicle s original appearance and functionality.

7. **Widely Available** Gates parts are commonly stocked by auto parts retailers, making it easy to purchase if needed for repairs or maintenance.

1. **Cost** Compared to generic or aftermarket alternatives, the Gates SX-4666 may be more expensive. However, the price reflects its quality and reliability.

2. **Potential Overkill for Minor Use** If the original cap was only slightly damaged or worn, a less expensive generic replacement might suffice. The Gates cap is a premium choice, which may not be necessary for every owner.

3. **Availability of Alternatives** Some owners may prefer to source a cap from a different brand or even restore the original cap if it is salvageable, depending on their budget and priorities.

4. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., online marketplaces without verification) could result in a counterfeit or low-quality Gates knockoff. Always buy from reputable retailers.

5. **Minimal Aesthetic Difference** While the Gates cap is functional, it may not offer a significant visual upgrade over the original if the owner is primarily concerned with appearance.

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### **Conclusion**

The Gates SX-4666 fuel tank cap is a reliable and high-quality replacement for the 1961-1965 Fargo F-100, offering superior sealing, durability, and compatibility. While it may be more expensive than generic alternatives, its performance benefits such as improved fuel efficiency, reduced emissions, and protection against contamination make it a worthwhile investment for serious vehicle owners. If budget is a concern, a thorough inspection of the existing cap may reveal whether a less expensive replacement is sufficient. However, for those prioritizing long-term reliability and fuel system integrity, the Gates cap is an excellent choice.

### **Recommendation**

- You need a direct, high-quality replacement for a damaged or missing fuel tank cap.

- You want to ensure proper sealing and fuel system protection.

- You are willing to invest in a durable, long-lasting part.

- The original cap is only slightly damaged and a generic replacement would suffice.

- You are on a tight budget and can find a trusted aftermarket option at a lower cost.

- You plan to restore the original cap rather than replace it entirely.

For most owners, the Gates SX-4666 is the best balance of quality and performance, making it the recommended choice for this application. Always purchase from an authorized dealer or reputable retailer to avoid counterfeit products.

Details:

Gates Fuel Tank Cap for 1961-1965 Fargo F100 Panel Delivery 3.7L 5.1L 5.2L oh: Status: In Stock.

part #: sx4666 prices

• $71.57-$169.55

specifications fueltanksysteme:

• for years: 1961-1965
• brand: Gates
• mpn: Sx-4666
• 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: C766 74-67
• compatible make: Fargo
• compatible model: F100 Panel Delivery
• compatible year: 1965 1964 1963 1962 1961
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

payments fueltanksysteme:

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

returns fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.6%
• # reviews: 661232
• city: Indianapolis, Indiana

shipping fueltanksysteme:

• type: Fixed
• class: Standard, Expedited
• transit: 2-4 Days
• cost: $0.00
• service: Standard, Expedited

general fueltanksysteme:

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

offer fueltanksysteme:

• quantity: 10
• options: Ship-to-home
• availability: In Stock
• started: May 26, 2026
• sold: 0

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