GATES SX-8479 Fuel Tank Gas Cap 6.2L V8

( Brand: Gates ), ( Manufacturer Part Number: SX-8479 ), ( 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: C521 38-40 ), ( Compatible Model: R20 Suburban ), ( 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 Chevrolet 6.2l V8 Gas fits SUBURBAN R20 ZX 1987–1988

The **Gates SX-8479 Fuel Tank Cap** is a precision-engineered replacement part designed specifically for the **1987-1988 Chevrolet R20 Suburban** equipped with the **6.2L V8 gasoline engine** and the **ZX trim level**. 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 **metal body with a robust, corrosion-resistant finish**, ensuring longevity even in harsh driving conditions, and is engineered to match the exact dimensions and threading of the original equipment manufacturer (OEM) component. Its **tight-fitting gasket** provides an airtight seal, reducing fuel evaporation and improving overall fuel efficiency, while the **ergonomic handle** offers a comfortable grip for easy installation and removal. Built to meet or exceed OEM specifications, this Gates part is a trusted choice for performance enthusiasts and restoration projects alike, delivering both functionality and durability for years of trouble-free use. Whether you're maintaining your classic Suburban or upgrading an existing system, the **Gates SX-8479** is the ideal replacement for maintaining fuel system integrity and ensuring a smooth, leak-free operation.

### Pros and Cons of buying a Gates SX-8479 Fuel Tank Cap for a 1987-1988 Chevrolet R20 Suburban (6.2L V8 Gas Z7)

1. **Direct Fitment** The Gates SX-8479 is specifically designed for the 1987-1988 Chevrolet R20 Suburban with a 6.2L V8 engine, ensuring compatibility without modifications. This reduces the risk of installation issues or improper sealing.

2. **High-Quality Material** Gates is a reputable brand known for producing durable, corrosion-resistant fuel tank caps made from high-grade plastic and metal components. This helps prevent leaks and extends the cap s lifespan.

3. **Proper Venting** Fuel tank caps with proper venting prevent pressure buildup in the fuel system, which can lead to vapor lock or fuel line damage. The SX-8479 likely includes a functional venting mechanism to maintain optimal fuel system performance.

4. **Easy Installation** Since it s a direct-fit part, replacing the old cap should be straightforward, requiring only basic tools. No special equipment or expertise is needed for installation.

5. **Prevents Fuel Evaporation** A well-sealed fuel cap reduces fuel evaporation, helping maintain better fuel economy and preventing potential vapor lock, especially in hot climates.

6. **Avoids Check Engine Light Triggers** A loose or damaged fuel cap can trigger the check engine light due to improper fuel system pressure. Replacing it with a proper cap resolves this issue.

7. **Cost-Effective Solution** Compared to potential fuel system repairs caused by a failing cap (e.g., vapor lock, fuel line damage, or fuel pump strain), replacing the cap is a minor and inexpensive fix.

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1. **Potential Counterfeit Concerns** Like many aftermarket parts, there is a risk of purchasing a counterfeit Gates SX-8479, especially if buying from untrusted sellers. Counterfeit parts may not fit properly, seal correctly, or last as long as genuine ones.

2. **Limited Availability** Depending on the seller, the part may not always be in stock, requiring patience or alternative sourcing. Some online marketplaces may have delays or limited inventory.

3. **Price Sensitivity** While the Gates cap is reasonably priced for an aftermarket part, some buyers may find it slightly more expensive than generic or no-name alternatives. However, the trade-off in quality is usually worth it.

4. **Installation Challenges (If Damaged)** If the fuel tank or surrounding area is corroded or damaged, the new cap may not seal properly, leading to leaks. In such cases, additional repairs (e.g., cleaning the tank opening or replacing the gasket) may be necessary.

5. **No Additional Features** Unlike some premium fuel caps, the SX-8479 does not include advanced features like fuel level indicators or locking mechanisms. It is a basic but functional replacement.

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The Gates SX-8479 fuel tank cap is an excellent choice for a 1987-1988 Chevrolet R20 Suburban with a 6.2L V8 engine. Its direct fitment, durability, and proper venting make it a reliable and cost-effective solution to prevent fuel system issues. While there are minor drawbacks such as potential counterfeit risks or limited availability, these are outweighed by the cap s performance and longevity.

Purchase the Gates SX-8479 from a reputable seller, such as an authorized automotive parts distributor (e.g., RockAuto, Summit Racing, or a local Chevrolet dealership parts department). Verify the seller s reviews and return policy to ensure you receive a genuine part. If the fuel tank opening appears corroded or damaged, address those issues before installing the new cap to guarantee a proper seal. Overall, this is a straightforward and worthwhile upgrade for maintaining your vehicle s fuel system integrity.

Details:

Gates Fuel Tank Cap for 1987 - 1988 Chevrolet R20 Suburban 6.2L V8 Gas Zx: Status: In Stock.

part #: sx8479 prices

• $26.91-$153.30

specifications fueltanksysteme:

• for models: R20, Zx, Suburban
• for makes: Chevrolet
• for years: 1987-1988
• brand: Gates
• mpn: Sx-8479
• 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: C521 38-40
• compatible model: R20 Suburban
• compatible year: 1988 1987
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

returns fueltanksysteme:

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

payments fueltanksysteme:

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

general fueltanksysteme:

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

shipping fueltanksysteme:

• service: Standard, Expedited
• type: Fixed
• cost: $0.00
• class: Standard, Expedited
• transit: 3-6 Days

offer fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.6%
• # reviews: 655352
• city: Indianapolis, Indiana

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