GATES SX-6376 Fuel Tank Cap 5.4L 6.8L 7.3L V10

( Brand: Gates ), ( Manufacturer Part Number: SX-6376 ), ( Type: Fuel Tank Cap ), ( Placement On Vehicle: Air Fuel Delivery Hardware Fasteners Fittings ), ( Item Height: 3.000 ), ( Item Width: 3.630 ), ( Manufacturer Warranty: Recommended Service Interval ), ( Ipn: C580 71-57 ), ( Compatible Model: E-350 Super Duty ), ( Compatible Year: 2003 2002 2001 2000 1999 ), ( 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 Super Duty 5.4l 6.8l 7.3l V10 Qu fits E-350 1999–2003

The **Gates SX-6376 Fuel Tank Cap** is a meticulously engineered replacement part designed specifically for the **1999 2003 Ford E-350 Super Duty** vehicles equipped with the legendary **5.4L, 6.8L, or 7.3L V10 gasoline engines**. 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, corrosion-resistant construction**, built to withstand the harsh conditions of heavy-duty truck applications, including exposure to road debris, temperature fluctuations, and prolonged exposure to fuel and moisture. Its **precision-molded design** guarantees a tight fit on the fuel filler neck, eliminating leaks and ensuring proper venting to comply with emissions standards. The cap is also equipped with a **durable, easy-to-grip handle**, allowing for effortless installation and removal, even in tight or hard-to-reach spaces. Whether you're performing routine maintenance, upgrading your vehicle s components, or replacing a worn-out original part, the Gates SX-6376 offers a **long-lasting, high-performance solution** that matches the rugged durability of your Ford E-350. Trusted by mechanics and enthusiasts alike for its **superior quality and compatibility**, this fuel tank cap is an essential upgrade for maintaining the integrity of your truck s fuel system.

### Pros and Cons of buying a Gates SX-6376 Fuel Tank Cap for a 1999-2003 Ford E-350 (5.4L, 6.8L, 7.3L V10)

1. **OEM Fitment and Compatibility** The Gates SX-6376 is designed specifically for the 1999-2003 Ford E-350 with the 5.4L, 6.8L, and 7.3L V10 engines. This ensures a proper seal and prevents fuel leaks or vapor loss, which is critical for maintaining engine performance and emissions compliance.

2. **High-Quality Materials** Gates is a well-known brand in automotive aftermarket parts, known for using durable materials that resist corrosion, cracking, and degradation over time. This cap is likely made from sturdy plastic and includes a reliable gasket to maintain a tight seal.

3. **Easy Installation** The design of the Gates SX-6376 is straightforward, making it a relatively simple DIY replacement. Most users report that it can be installed in under an hour with basic tools, reducing labor costs compared to a dealership service.

4. **Prevents Fuel Odors and Contamination** A faulty or damaged fuel cap can allow fumes to escape, leading to unpleasant odors inside the cab or even attracting pests. A new Gates cap ensures a proper seal, reducing these issues.

5. **May Improve Fuel Economy** If the original cap was leaking or improperly sealed, replacing it with a Gates cap could help maintain proper fuel pressure and prevent minor fuel loss, potentially improving efficiency slightly.

6. **Warranty and Reliability** Gates parts often come with warranties (typically 1-2 years), providing peace of mind in case of defects. The brand s reputation suggests long-term reliability, reducing the likelihood of needing frequent replacements.

7. **Compatibility with Modern Fuel Systems** The cap is designed to work with the EVAP (Evaporative Emission Control) system in these Ford models, ensuring that the vehicle passes emissions tests without issues.

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1. **Cost Compared to Generic Alternatives** The Gates SX-6376 is a premium aftermarket part, and while it offers quality, it may be more expensive than generic or no-name fuel caps. For budget-conscious buyers, cheaper alternatives might be tempting, though they may lack durability.

2. **Potential Overkill for Minor Issues** If the original cap was only slightly damaged or loose, a Gates replacement might be more than necessary. In such cases, a basic OEM or aftermarket cap could suffice, saving money without sacrificing performance.

3. **Installation Challenges for Some Users** While generally straightforward, the fuel tank cap is located under the vehicle, often near the frame or exhaust components. Accessibility can vary depending on the truck s condition (e.g., rust, debris, or modified undercarriage), which might make installation more difficult for inexperienced DIYers.

4. **Risk of Over-Tightening** If not installed correctly, the cap can be over-tightened, damaging the threads on the fuel tank or the cap itself. This could lead to leaks or difficulty removing the cap in the future. Proper torque (if specified) is essential.

5. **Limited Availability in Some Regions** Depending on where you purchase the part, the Gates SX-6376 might not be as widely stocked as other brands. This could require ordering online, which may involve shipping delays or higher costs.

6. **No Significant Performance Boost** Unlike engine upgrades or suspension modifications, replacing the fuel cap is a maintenance item rather than a performance-enhancing one. The benefits are mostly related to reliability, emissions compliance, and preventing minor issues rather than improving power or handling.

7. **Potential for Counterfeit Parts** As with any popular aftermarket part, there is a risk of purchasing a counterfeit Gates cap, especially from untrusted sellers. Always buy from reputable retailers (e.g., RockAuto, Amazon, or authorized dealers) to avoid this issue.

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The Gates SX-6376 fuel tank cap is a **high-quality, reliable replacement** for the 1999-2003 Ford E-350 V10 models, offering OEM-level fitment, durability, and compatibility with emissions systems. It is particularly worthwhile if your original cap is cracked, leaking, or failing to seal properly. The premium price is justified by the brand s reputation and the part s long-term performance.

However, if your cap is only slightly damaged or you re on a tight budget, a generic or OEM replacement might be sufficient. Always prioritize a proper seal to avoid fuel loss, emissions failures, or cabin odors.

- Your current cap is damaged, leaking, or failing emissions tests.

- You value long-term reliability and want a part that matches OEM standards.

- You re comfortable with a slightly higher upfront cost for peace of mind.

- The original cap is only minimally damaged and you re looking to save money.

- You re confident in finding a high-quality generic cap (e.g., from brands like ACDelco or FRAM) that fits well.

For most owners, the Gates cap is the **best choice** due to its balance of quality, compatibility, and longevity. Always inspect the cap for cracks or leaks before purchasing a replacement, and ensure proper installation to avoid future issues.

Details:

Gates Fuel Tank Cap for 1999 - 2003 Ford E-350 Super Duty 5.4L 6.8L 7.3L V10 qu: Status: In Stock.

part #: sx6376 prices

• $34.24-$263.18

specifications fueltanksysteme:

• for models: E-350
• for makes: Ford
• for years: 1999-2003
• brand: Gates
• mpn: Sx-6376
• type: Fuel Tank Cap
• placement on vehicle: Air Fuel Delivery Hardware Fasteners Fittings
• item height: 3.000
• item width: 3.630
• manufacturer warranty: Recommended Service Interval
• ipn: C580 71-57
• compatible model: E-350 Super Duty
• compatible year: 2003 2002 2001 2000 1999
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

seller fueltanksysteme:

• city: Indianapolis, Indiana
• # reviews: 622784
• rating: 99.5%

returns fueltanksysteme:

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

payments fueltanksysteme:

• other
• credit card: Visa
• wallet: Paypal

offer fueltanksysteme:

• options: Ship-to-home
• quantity: 10
• started: February 16, 2026
• availability: In Stock
• sold: 0

shipping fueltanksysteme:

• service: Standard, Expedited
• cost: $0.00
• transit: 3-5 Days
• class: Standard, Expedited
• type: Fixed

general fueltanksysteme:

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

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