GATES SX-9509 Fuel Tank Gas Cap Ka V10 4.3L 5.0L 5.7L 6.2L V6 V8

( Brand: Gates ), ( Manufacturer Part Number: SX-9509 ), ( 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: C280 15-8 ), ( Compatible Model: V10 ), ( 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 V10 4.3l 5.0l 5.7l 6.2l V6 V8 Gas Ka fits C280 1987

The **Gates SX-9509 Fuel Tank Cap** is a precision-engineered, high-performance replacement part designed specifically for the 1987 Chevrolet V10 and V6/V8 gasoline-powered vehicles, including the iconic **K5 Blazer, K10 Blazer, K15 Suburban, and S-10 pickup truck** all featuring the legendary **4.3L, 5.0L, 5.7L, or 6.2L V6 or V8 engines**. Crafted from durable, corrosion-resistant materials, this fuel cap is built to withstand the demands of rugged off-road use while ensuring a secure, leak-proof seal for optimal fuel system integrity. The **SX-9509** stands out with its **threaded, interference-fit design**, which eliminates the risk of loosening or detachment during aggressive driving, ensuring that fuel vapors remain contained and pressure is maintained within the tank. Engineered to meet or exceed OEM specifications, this cap features a **tight-fitting gasket** that resists degradation from fuel additives, UV exposure, and temperature fluctuations, making it an ideal long-term solution for both classic and modern applications. Whether you're restoring a vintage K5 Blazer or upgrading a high-mileage S-10, the Gates SX-9509 delivers the reliability and performance expected from a brand synonymous with automotive excellence. Its **smooth, easy-to-install fit** and **compatibility with aftermarket fuel systems** further solidify its reputation as a must-have component for Chevrolet enthusiasts who demand both durability and precision.

### Pros and Cons of buying a Gates SX-9509 Fuel Tank Cap for a 1987 Chevrolet V10 (4.3L, 5.0L, 5.7L, 6.2L) Gasoline Engine

1. **Compatibility** The Gates SX-9509 is specifically designed to fit a wide range of Chevrolet vehicles from the late 1970s to the early 1990s, including the V10 and V8 engines from your 1987 model year. This reduces the risk of purchasing an incorrect part.

2. **Durability** Gates is a well-known brand in the automotive aftermarket, known for producing high-quality, long-lasting fuel tank caps. The SX-9509 is made from durable materials, reducing the likelihood of wear or failure over time.

3. **Seal Integrity** A properly functioning fuel cap ensures a tight seal, preventing fuel vapors from escaping and maintaining proper fuel pressure. This helps improve fuel efficiency and reduces emissions.

4. **Easy Installation** The design of the Gates SX-9509 is straightforward, making it relatively easy to install without specialized tools. Most DIY mechanics can replace it in under an hour.

5. **Prevents Fuel Loss** A faulty or missing fuel cap can lead to fuel evaporation, reducing fuel economy. The Gates cap helps retain fuel and maintain optimal engine performance.

6. **Prevents Contamination** A secure cap keeps debris, moisture, and contaminants out of the fuel tank, protecting the fuel system from damage.

7. **Warranty Coverage** Gates typically offers warranties on their products, providing some assurance against defects if the cap fails prematurely.

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1. **Cost** Compared to generic or no-name fuel caps, the Gates SX-9509 may be more expensive. However, the price difference is usually justified by its quality.

2. **Potential Overkill for Basic Use** If your fuel cap was only slightly damaged or loose, a high-end cap like the Gates SX-9509 might be more than necessary. In such cases, a budget-friendly alternative could suffice.

3. **Availability Issues** While Gates parts are widely available, there may be occasional stock shortages, especially if purchasing from a specialized supplier rather than a major auto parts chain.

4. **Misalignment Risk** If the fuel filler neck or surrounding area is damaged or misaligned, installing the Gates cap could still result in a poor seal, negating its benefits.

5. **No Significant Performance Boost** Unlike performance upgrades (e.g., fuel injectors, turbochargers), replacing a fuel cap does not improve engine power or efficiency it only prevents issues.

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### **Conclusion**

The Gates SX-9509 fuel tank cap is a reliable and high-quality replacement for your 1987 Chevrolet V10 or V8 engine. Its compatibility, durability, and sealing performance make it a strong choice, especially if you prioritize longevity and peace of mind. However, if your original cap was only minimally damaged or if you're on a tight budget, a mid-range or budget-friendly alternative might be sufficient.

### **Recommendation**

If you notice symptoms like fuel loss, poor fuel economy, or a loose fuel cap, **upgrading to the Gates SX-9509 is a solid choice**. It offers better long-term reliability than many generic options and is worth the investment for vehicles that see regular use. If you're unsure about the condition of your fuel filler neck or surrounding components, inspect them before installation to ensure a proper fit.

For most owners, the Gates SX-9509 is the best balance between quality and performance, making it the recommended option.

Details:

Gates Fuel Tank Cap for 1987 Chevrolet V10 4.3L 5.0L 5.7L 6.2L V6 V8 Gas ka: Status: In Stock.

part #: sx9509 prices

• $18.49-$40.07

specifications fueltanksysteme:

• for makes: Chevrolet
• for years: 1987
• brand: Gates
• mpn: Sx-9509
• 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: C280 15-8
• compatible model: V10
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

offer fueltanksysteme:

• availability: In Stock
• started: March 9, 2026
• quantity: 10
• options: Ship-to-home
• sold: 0

shipping fueltanksysteme:

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

payments fueltanksysteme:

• other
• wallet: Google-pay
• credit card: Discover

returns fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• # reviews: 630535
• rating: 99.5%

general fueltanksysteme:

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

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