GATES SX-5695 Fuel Tank Cap 6.4L 6.6L 6.9L 7.0L

( Brand: Gates ), ( Manufacturer Part Number: SX-5695 ), ( 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: C681 25-46 ), ( Compatible Year: 1970 1969 1968 1967 1966 1965 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Pontiac 6.4l 6.6l 6.9l 7.0l On fits BONNEVILLE 1965–1970

The **Gates SX-5695 Fuel Tank Cap** is a meticulously engineered, high-performance replacement part designed specifically for the iconic 1965 through 1970 Pontiac Bonneville models equipped with the legendary **6.4L, 6.6L, 6.9L, or 7.0L V8 engines** the same powerplants that defined muscle car dominance during the golden era of American automotive engineering. Crafted from premium materials and built to exacting standards, this fuel cap is not merely a functional component but a critical element in maintaining the integrity, performance, and aesthetic authenticity of your classic Bonneville. The cap features a **durable, corrosion-resistant construction**, ensuring it withstands the harshest environmental conditions while preserving the fuel system s reliability. Its **precision-machined threads** guarantee a secure, leak-proof seal, preventing vapor loss and ensuring optimal fuel efficiency a vital consideration for both vintage enthusiasts and modern restorers aiming to preserve their vehicle s original character. Beyond its utilitarian purpose, the Gates SX-5695 cap is a **faithful reproduction** of the original Pontiac design, complete with the distinctive **chrome or black finish** (depending on the model year and trim) that complements the Bonneville s aggressive, muscle-car aesthetic. Whether you re restoring a showroom-fresh 1965 Bonneville or maintaining a daily-driver from the late 60s, this cap delivers both **performance and period-correct authenticity**, ensuring your fuel system operates flawlessly while paying homage to the engineering brilliance of the era. Gates reputation for quality and precision engineering makes this part a trusted choice for collectors, restorers, and performance enthusiasts who refuse to compromise on fit, finish, or functionality.

**Pros and Cons of buying a Gates SX-5695 Fuel Tank Cap for a 1965 1970 Pontiac Bonneville (6.4L 7.0L V8)**

### **Pros**

1. **OEM Fitment and Compatibility** The Gates SX-5695 is designed specifically for Pontiac Bonneville models from 1965 to 1970, including the 6.4L, 6.6L, 6.9L, and 7.0L engines. This ensures a proper fit without modifications, reducing the risk of leaks or improper sealing.

2. **High-Quality Materials** Gates is a well-regarded brand in the automotive aftermarket, known for durable components. The SX-5695 is made from sturdy metal and rubber, which should resist corrosion and wear better than generic or low-quality replacements.

3. **Proper Venting and Sealing** A correctly functioning fuel cap ensures proper fuel tank venting, preventing pressure buildup that could lead to vapor lock or fuel leaks. The Gates cap is engineered to maintain a tight seal while allowing necessary airflow.

4. **Easy Installation** The cap is designed for straightforward installation, requiring no special tools beyond a wrench or socket. This makes it a convenient upgrade for DIYers or mechanics.

5. **Prevents Fuel Evaporation and Contamination** A secure, well-sealed cap helps minimize fuel evaporation, reducing emissions and keeping the fuel system cleaner by preventing debris or moisture ingress.

6. **Compatibility with Modern Fuel Systems** Unlike some older OEM caps that may not meet modern emissions standards, the Gates SX-5695 is likely designed to comply with contemporary regulations, avoiding potential check-engine light issues.

7. **Long-Term Reliability** Given Gates reputation, this cap should provide reliable service for the lifespan of the vehicle, especially if the original cap was worn or damaged.

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### **Cons**

1. **Cost Compared to Generic Alternatives** The Gates SX-5695 is priced higher than many generic or no-name fuel caps. While the quality justifies the expense, budget-conscious buyers may opt for cheaper options, risking durability.

2. **Potential Overkill for Minor Wear** If the original cap was only slightly damaged or worn, a Gates replacement might be more expensive than necessary. In such cases, a basic OEM-style cap could suffice.

3. **Availability and Lead Times** Depending on the retailer, the Gates SX-5695 may not always be in stock, requiring online ordering or waiting for delivery, which could delay repairs.

4. **Styling Differences (Minor)** While functionally identical, some collectors or enthusiasts may prefer the exact OEM look of the original cap. The Gates version is a functional replacement rather than a reproduction, so it may not match the original s aesthetic perfectly.

5. **Potential for Counterfeit Products** Purchasing from untrusted sellers could result in a counterfeit Gates cap that doesn t meet quality standards. Buyers should verify the seller s reputation to ensure authenticity.

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### **Conclusion**

The Gates SX-5695 fuel tank cap is an excellent choice for restoring or maintaining a 1965 1970 Pontiac Bonneville s fuel system. Its OEM fitment, high-quality construction, and reliability make it a worthwhile investment, especially for those prioritizing durability and proper function. While it may cost more than generic alternatives, the long-term benefits such as preventing leaks, ensuring proper venting, and avoiding emissions-related issues outweigh the drawbacks for most owners.

For most applications, **I recommend purchasing the Gates SX-5695** as the best balance of quality, compatibility, and performance. However, if budget is a major concern and the original cap is only minimally damaged, a high-quality generic OEM-style cap could be a cost-effective alternative. Always verify the seller s legitimacy to avoid counterfeit products.

Details:

Gates Fuel Tank Cap for 1965-1970 Pontiac Bonneville 6.4L 6.6L 6.9L 7.0L on: Status: In Stock.

part #: sx5695 prices

• $23.43-$33.01

specifications fueltanksysteme:

• for models: Bonneville
• for makes: Pontiac
• for years: 1965-1970
• brand: Gates
• mpn: Sx-5695
• 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: C681 25-46
• compatible year: 1970 1969 1968 1967 1966 1965
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

seller fueltanksysteme:

• # reviews: 630845
• city: Indianapolis, Indiana
• rating: 99.5%

general fueltanksysteme:

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

returns fueltanksysteme:

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

payments fueltanksysteme:

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

offer fueltanksysteme:

• availability: In Stock
• started: March 9, 2026
• quantity: 10
• sold: 0
• options: Ship-to-home

shipping fueltanksysteme:

• transit: 3-7 Days
• cost: $0.00
• class: Standard, Expedited
• type: Fixed
• service: Standard, Expedited

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