GATES SX-7322 Fuel Tank Cap K20 4.1L 4.8L 5.0L 5.7L

( Brand: Gates ), ( Manufacturer Part Number: SX-7322 ), ( 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: C662 57-30 ), ( Compatible Model: K20 Pickup ), ( Compatible Year: 1974 1973 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Chevrolet K20 Pickup 4.1l 4.8l 5.0l 5.7l fits XU 1973–1974

The **Gates SX-7322 Fuel Tank Cap** is a meticulously engineered replacement part designed specifically for the 1973 1974 Chevrolet K20 pickup trucks equipped with the legendary **XU** (Oldsmobile-built) inline-six engines, including the **4.1L (250ci), 4.8L (292ci), 5.0L (305ci), and 5.7L (350ci)** configurations. Crafted with precision and built to exacting standards, this fuel cap is a direct-fit solution that ensures a secure, leak-proof seal while maintaining the original aesthetic and functionality of your vehicle s fuel system. The cap features a robust **metal body** reinforced with high-quality rubber gaskets, providing an airtight closure that prevents fuel vapors from escaping and contaminants from entering the tank. Its **threaded design** aligns perfectly with the factory mounting points, ensuring a snug, vibration-resistant fit that resists loosening over time, even during rough driving conditions. Beyond its practical performance, the Gates SX-7322 is also designed with attention to detail its **chrome-plated finish** offers a polished, factory-like appearance that complements the classic look of your K20, while its **durable construction** guarantees long-term reliability. Whether you re restoring a vintage K20 or maintaining one in pristine condition, this fuel cap delivers both form and function, ensuring your fuel system operates efficiently and without compromise.

### Pros and Cons of buying a Gates SX-7322 Fuel Tank Cap for a 1973-1974 Chevrolet K20 (4.1L, 4.8L, 5.0L, 5.7L, or XU Engine)

1. **OEM Fitment and Compatibility** The Gates SX-7322 is designed specifically for the 1973-1974 Chevrolet K20 series, including the 4.1L, 4.8L, 5.0L, 5.7L, and XU engines. This ensures a proper seal and alignment with the fuel tank, reducing the risk of leaks or improper installation.

2. **Durable Construction** Gates is a well-known manufacturer of high-quality automotive parts, including fuel tank caps. This cap is likely made from sturdy materials, such as metal or reinforced plastic, which can withstand normal wear and tear, vibrations, and minor impacts.

3. **Seal Integrity** A properly functioning fuel cap maintains proper fuel vapor pressure, which is crucial for preventing fuel evaporation and ensuring optimal engine performance. The Gates cap should provide a tight seal, reducing fuel loss and potential vapor lock issues.

4. **Easy Installation** Since it is an OEM replacement, the cap should fit directly onto the fuel tank without requiring extensive modifications. Most users report that it installs quickly and securely with the correct tools.

5. **Reliability** Gates parts are generally known for their durability and longevity, meaning you may not need to replace it frequently. This can save time and money in the long run compared to cheaper, lower-quality alternatives.

6. **Prevents Fuel Odors and Contamination** A well-sealed fuel cap helps keep out moisture, dirt, and debris, which can contaminate the fuel system and cause engine performance issues or fuel system corrosion.

7. **Compatibility with Modern Fuel Standards** While older vehicles like the K20 may not require modern fuel system upgrades, a quality cap like this one ensures that the fuel system remains free from leaks or pressure-related problems that could affect emissions or fuel efficiency.

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1. **Potential Overkill for Minor Use** If your vehicle is primarily used for short drives or stored for long periods without fuel, a high-quality cap like this may not offer significant advantages over a basic replacement cap. However, for daily driving, the benefits outweigh this concern.

2. **Cost Compared to Generic Alternatives** The Gates SX-7322 is likely more expensive than generic or aftermarket fuel caps. While the price difference may be minimal, budget-conscious buyers might opt for a cheaper option if they are unsure about the cap s necessity.

3. **Availability and Lead Times** Depending on the retailer, Gates parts may not always be in stock, and ordering online could result in shipping delays. This is less of an issue for widely available parts but is worth considering if you need the cap urgently.

4. **Potential for Counterfeit Products** If purchasing from an untrusted seller (e.g., third-party online marketplaces), there is a risk of receiving a counterfeit or low-quality Gates part. Always buy from reputable dealers or authorized sellers to avoid this.

5. **No Significant Performance Gains** Unlike performance upgrades (e.g., fuel injectors, exhaust systems), replacing a fuel cap with a Gates part will not improve engine power, fuel economy, or acceleration. It is primarily a maintenance and reliability upgrade.

6. **Possible Over-Tightening Risk** Some users may accidentally overtighten the cap, especially if they are not familiar with the correct torque specification. Over-tightening can damage the threads on the fuel tank or the cap itself, leading to leaks or difficulty removing the cap in the future.

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The Gates SX-7322 fuel tank cap is a solid choice for owners of a 1973-1974 Chevrolet K20, regardless of engine size. Its OEM fitment, durability, and reliability make it a practical investment for maintaining the integrity of your fuel system. While it may not offer dramatic performance improvements, it ensures proper sealing, prevents fuel loss, and reduces the risk of leaks or contamination.

For most K20 owners, the benefits of using a Gates cap such as long-term reliability and peace of mind outweigh the minor drawbacks, including cost and potential availability issues. If you prioritize quality and longevity over cost savings, this is a recommended upgrade.

If you are replacing a worn, damaged, or leaking fuel cap on your 1973-1974 Chevrolet K20, the **Gates SX-7322 is the best choice** for OEM compatibility and durability. Purchase it from a trusted automotive parts retailer (e.g., RockAuto, Summit Racing, or a local Chevrolet dealer) to ensure authenticity. While it may not be strictly necessary for every driver, it is a worthwhile investment for those who want to avoid future fuel system issues. If budget is a concern, a high-quality aftermarket cap from a reputable brand (e.g., AC Delco, Fram) could be a cost-effective alternative, though Gates remains the premium option.

Details:

Gates Fuel Tank Cap for 1973-1974 Chevrolet K20 Pickup 4.1L 4.8L 5.0L 5.7L Xu: Status: In Stock.

part #: sx7322 prices

• $25.12-$82.81

specifications fueltanksysteme:

• for models: Xu
• for makes: Chevrolet
• for years: 1973-1974
• brand: Gates
• mpn: Sx-7322
• 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: C662 57-30
• compatible model: K20 Pickup
• compatible year: 1974 1973
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

offer fueltanksysteme:

• options: Ship-to-home
• quantity: 10
• started: February 24, 2026
• sold: 0
• availability: In Stock

payments fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• rating: 99.5%
• # reviews: 625222

general fueltanksysteme:

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

shipping fueltanksysteme:

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

returns fueltanksysteme:

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

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