GATES SX-7900 Fuel Tank Gas Cap 5.0L 5.8L V8

( Brand: Gates ), ( Manufacturer Part Number: SX-7900 ), ( 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: C588 38-18 ), ( Compatible Model: Ltd Crown Victoria ), ( Compatible Year: 1988 1987 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Ford Ltd 5.0l 5.8l V8 Gas Ny fits CROWN VICTORIA 1987–1988

The **Gates SX-7900 Fuel Tank Cap** is a precision-engineered replacement part designed specifically for the 1987 1988 Ford Limited and Crown Victoria models equipped with the iconic 5.0L Essex V8 and the robust 5.8L Windsor V8 engines. Crafted from high-grade, corrosion-resistant materials, this fuel tank cap ensures a secure and airtight seal, preventing fuel vapors from escaping while maintaining optimal fuel system performance. The cap features a durable, rubberized gasket that resists wear and degradation over time, even under the demanding conditions of daily driving, ensuring long-term reliability. Its sleek, chrome-plated finish not only enhances the aesthetic appeal of your vehicle s fuel filler area but also provides a polished look that complements the classic design of your Crown Victoria or Limited. Beyond its functional benefits, the Gates SX-7900 is built to meet or exceed OEM specifications, guaranteeing a perfect fit with the original fuel filler neck and venting system. Whether you're restoring a vintage Ford or maintaining a well-loved daily driver, this cap delivers both performance and durability, ensuring your fuel system operates smoothly while preserving the integrity of your vehicle s original design.

### Pros and Cons of Buying a Gates SX-7900 Fuel Tank Cap for a 1987-1988 Ford LTD Crown Victoria (5.0L/5.8L V8 Gas)

1. **OEM Fitment and Compatibility** The Gates SX-7900 is designed as an original equipment replacement part for the 1987-1988 Ford Crown Victoria, ensuring a proper fit without modifications. This reduces the risk of leaks or improper sealing that could occur with aftermarket parts that don t match the exact specifications.

2. **High-Quality Materials** Gates is a well-known manufacturer of fuel system components, and their parts are generally made from durable materials that resist corrosion and wear over time. The cap is likely constructed from sturdy plastic and metal components that can withstand the rigors of daily use.

3. **Sealing Performance** A properly functioning fuel cap ensures a tight seal, preventing fuel vapors from escaping into the atmosphere. This helps maintain proper fuel pressure in the tank, which is critical for the vehicle s fuel injection system (especially important for the 5.0L and 5.8L V8 engines in these Crown Victorias). A faulty cap can lead to poor engine performance, reduced fuel efficiency, or even check engine lights due to improper fuel pressure readings.

4. **Easy Installation** The Gates SX-7900 is designed for straightforward installation, requiring no special tools beyond a basic socket set or wrench. The part is typically sold with clear instructions, making it accessible for DIYers who prefer to handle minor repairs themselves.

5. **Reliability and Longevity** Gates parts are known for their durability, meaning the fuel cap should last the life of the vehicle if properly maintained. Unlike cheaper aftermarket alternatives that may degrade quickly, this part is built to endure regular use without frequent replacements.

6. **Compatibility with Emissions Systems** The Crown Victoria s fuel system is tied to its emissions control components. A properly sealed fuel cap helps maintain the correct fuel vapor pressure, which is essential for passing emissions tests and preventing issues with the vehicle s computer systems.

7. **Widely Available and Supported** Gates is a trusted brand with broad availability through auto parts stores, online retailers, and dealerships. If issues arise, finding replacement parts or customer support is generally easier than with lesser-known brands.

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1. **Potential Overkill for Minor Issues** If the original fuel cap was only slightly damaged or worn (e.g., a cracked but still-sealing lid), replacing it with a new Gates SX-7900 might be more expensive than necessary. In such cases, a cheaper aftermarket cap could suffice. However, if the cap is leaking or broken, the Gates part is still the safest choice.

2. **Cost Compared to Aftermarket Alternatives** Gates parts are typically priced higher than generic or no-name fuel caps. While the quality justifies the cost, budget-conscious buyers might opt for a lower-priced alternative if they re confident in its reliability. However, cutting corners on a fuel cap could lead to bigger problems down the line.

3. **Limited Customization** Unlike some aftermarket parts, the Gates SX-7900 does not offer custom colors, styles, or additional features (e.g., built-in fuel level indicators). If aesthetics are a priority, this might be a minor drawback, though the cap is generally unobtrusive.

4. **Potential for Counterfeit Parts** As with any popular brand, there is a risk of purchasing counterfeit Gates parts, especially when buying from third-party sellers. To mitigate this, always purchase from reputable dealers or verified online retailers (e.g., RockAuto, Amazon, or local auto parts stores with return policies).

5. **No Additional Benefits Beyond Replacement** The Gates SX-7900 is strictly a functional replacement. It does not include extras like fuel line connectors, gaskets, or installation hardware beyond what comes standard with the part. Buyers must ensure they have all necessary tools and components (e.g., a new gasket if the old one is damaged) for a complete repair.

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The Gates SX-7900 fuel tank cap is an excellent choice for a 1987-1988 Ford LTD Crown Victoria, particularly for owners who prioritize reliability, proper fitment, and long-term performance. While it may cost more than generic alternatives, the quality and compatibility make it a worthwhile investment. The cap s role in maintaining fuel system integrity especially for the Crown Victoria s fuel-injected V8 engines justifies its use over cheaper parts that might fail prematurely.

For most owners, the **pros outweigh the cons**, making the Gates SX-7900 the recommended option. However, if budget is a major concern and the original cap is only slightly damaged, a high-quality aftermarket alternative (from a trusted brand like AC Delco or Bosch) could be considered as a cost-effective alternative. Always ensure the replacement part is compatible with your specific vehicle year and engine configuration.

**Buy the Gates SX-7900 fuel tank cap.** It is the best balance of quality, reliability, and fitment for your 1987-1988 Ford Crown Victoria. If you re replacing the cap due to a leak or failure, this part will provide a secure seal and prevent future issues with fuel pressure or emissions. Pair it with a new gasket if needed, and install it carefully to ensure optimal performance. Avoid cutting corners on this component, as a faulty fuel cap can lead to more expensive repairs later.

Details:

Gates Fuel Tank Cap for 1987 - 1988 Ford LTD Crown Victoria 5.0L 5.8L V8 Gas ny: Status: In Stock.

part #: sx7900 prices

• $25.89-$31.27

specifications fueltanksysteme:

• for models: Crown, Victoria
• for makes: Ford
• for years: 1987-1988
• brand: Gates
• mpn: Sx-7900
• 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: C588 38-18
• compatible model: Ltd Crown Victoria
• compatible year: 1988 1987
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

offer fueltanksysteme:

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

shipping fueltanksysteme:

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

payments fueltanksysteme:

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

returns fueltanksysteme:

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

seller fueltanksysteme:

• # reviews: 661383
• city: Indianapolis, Indiana
• rating: 99.6%

general fueltanksysteme:

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

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