GATES SX-2905 Fuel Tank Cap Wagon 4.9L 5.0L 5.7L 6.6L

( Brand: Gates ), ( Manufacturer Part Number: SX-2905 ), ( 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: C355 74-41 ), ( Compatible Model: Estate Wagon ), ( Compatible Year: 1983 1982 1981 1980 1979 1978 1977 1976 1975 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Buick Estate Wagon 4.9l 5.0l 5.7l 6.6l fits C355 FL 1975–1983

The **Gates SX-2905 Fuel Tank Cap** is a meticulously engineered replacement part designed specifically for 1975 through 1983 Buick wagon models equipped with a 4.9L, 5.0L, 5.7L, or 6.6L inline-six engine. Crafted with precision and built to exacting standards, this cap ensures a secure, airtight seal while maintaining the original aesthetic and functionality of your vehicle s fuel system. The SX-2905 is manufactured using high-quality materials, including durable plastic and reinforced metal components, to withstand the rigors of daily driving, including exposure to fuel vapors, temperature fluctuations, and road debris. Its ergonomic design features a smooth, easy-to-grip handle, allowing for effortless installation and removal, while the integrated venting system helps regulate pressure within the fuel tank, preventing vapor lock and ensuring optimal engine performance. This cap is fully compatible with the original equipment manufacturer (OEM) specifications, guaranteeing a perfect fit with the fuel filler neck and surrounding components, eliminating the risk of leaks or misalignment. Whether you're restoring a classic Buick wagon or performing routine maintenance, the Gates SX-2905 delivers reliable protection for your fuel system, safeguarding against contamination and maintaining the integrity of your vehicle s fuel delivery process. Built to last, this cap is a testament to Gates commitment to quality, offering both performance and durability for years of trouble-free use.

### Pros and Cons of buying a Gates SX-2905 Fuel Tank Cap for a 1975 1983 Buick Wagon (4.9L, 5.0L, 5.7L, 6.6L)

1. **Direct Fitment** The Gates SX-2905 is specifically designed for the 1975 1983 Buick wagons with the listed engine sizes (4.9L, 5.0L, 5.7L, and 6.6L). This ensures compatibility without the need for modifications, reducing the risk of leaks or improper sealing.

2. **High-Quality Material** Gates is a well-known brand in automotive parts, particularly for fuel system components. The cap is likely made from durable plastic and includes a reliable gasket or seal, which helps prevent fuel vapors from escaping and contaminants from entering the tank.

3. **Easy Installation** The design is straightforward, and it should fit securely onto the fuel tank without requiring specialized tools. This makes it a convenient replacement for DIYers or mechanics.

4. **Prevents Fuel Evaporation** A properly sealed fuel cap reduces fuel evaporation, which can improve fuel economy and prevent running out of gas unexpectedly.

5. **Compatibility with Modern Standards** Many newer fuel caps include features like EVAP system compatibility, which helps meet emissions regulations. While older Buicks may not have strict EVAP requirements, a modern cap can still function well and may be easier to install than an aftermarket generic part.

6. **Widely Available** As a popular OEM replacement, the Gates SX-2905 is likely available at auto parts stores, online retailers, and through direct purchase from Gates or authorized dealers.

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1. **Potential Overkill for Older Vehicles** While the cap fits, some older Buicks may not have an EVAP system, meaning the cap s advanced sealing features might not be fully utilized. However, this is more of a minor drawback than a significant issue.

2. **Cost Compared to Generic Alternatives** Gates parts are typically priced higher than generic or no-name replacements. If budget is a concern, cheaper alternatives may be available, though they might not offer the same durability or fitment guarantees.

3. **Possible Stock Availability Issues** Like many OEM parts, the Gates SX-2905 may occasionally be out of stock at local stores. Online retailers or specialty auto parts suppliers may have better availability but could involve shipping delays.

4. **Mixed Reviews on Longevity** While Gates is reputable, some users report that plastic fuel caps (even from quality brands) can degrade over time due to UV exposure or fuel additive chemicals. If the cap is exposed to sunlight for extended periods, it may become brittle.

5. **No Significant Performance Upgrade** The primary benefit of replacing a fuel cap is preventing leaks or fuel loss. If the original cap was functional, upgrading to Gates may not provide a noticeable performance improvement beyond reliability.

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The Gates SX-2905 fuel tank cap is a solid choice for replacing the fuel cap on a 1975 1983 Buick wagon, particularly if you prioritize reliability, ease of installation, and direct fitment. It avoids the risks of using an ill-fitting generic part and leverages Gates reputation for quality. However, if cost is a major concern or if you re certain the original cap is still functional, a budget-friendly alternative might suffice.

For most buyers, the Gates SX-2905 strikes a balance between quality and practicality, making it a recommended option for those who want a hassle-free replacement.

- You want a guaranteed fit and reliable seal.

- You prefer a brand-name part over a cheaper generic option.

- You re replacing the cap due to damage, loss, or a known leak.

- You re on a tight budget and the original cap is still functional.

- You re comfortable with a generic part and can verify its compatibility before purchasing.

Details:

Gates Fuel Tank Cap for 1975 1983 Buick Estate Wagon 4.9L 5.0L 5.7L 6.6L Fl: Status: In Stock.

part #: sx2905 prices

• $25.07-$30.09

specifications fueltanksysteme:

• for models: C355, Fl
• for makes: Buick
• for years: 1975-1983
• brand: Gates
• mpn: Sx-2905
• 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: C355 74-41
• compatible model: Estate Wagon
• compatible year: 1983 1982 1981 1980 1979 1978 1977 1976 1975
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

payments fueltanksysteme:

• credit card: Discover
• wallet: Paypal
• other

seller fueltanksysteme:

• # reviews: 661110
• city: Indianapolis, Indiana
• rating: 99.6%

returns fueltanksysteme:

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

shipping fueltanksysteme:

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

general fueltanksysteme:

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

offer fueltanksysteme:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: May 25, 2026
• quantity: 10

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