GATES SX-8327 Fuel Tank Gas Cap P30 3.9L 6.2L 6.5L L4 V8

( Brand: Gates ), ( Manufacturer Part Number: SX-8327 ), ( 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: C154 34-32 ), ( Compatible Model: P30 ), ( Compatible Year: 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 ), ( 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 P30 3.9l 6.2l 6.5l L4 V8 Gas Cm fits 1982–1997

The **Gates SX-8327 Fuel Tank Cap** is a meticulously engineered, high-performance replacement part designed specifically for the iconic **1982 1997 Chevrolet P30 series trucks**, including models equipped with the legendary **3.9L, 6.2L, 6.5L inline-4 (I4) engines**, as well as the robust **V8 configurations** found in the **C/K series and other full-size Chevrolet trucks** of that era. Crafted from premium **durable polycarbonate material**, this fuel cap is built to withstand the harshest conditions, from extreme temperatures and UV exposure to the constant stress of handling gasoline vapors and potential road debris. Unlike generic aftermarket alternatives, the Gates SX-8327 is engineered to an exacting standard, ensuring a **perfect fit** with the original fuel filler neck and mounting bracket, eliminating leaks, rattles, or misalignment that can compromise both performance and safety.

What sets this fuel cap apart is its **sealed, vapor-tight design**, which plays a critical role in maintaining optimal fuel system efficiency and emissions compliance. The cap features a **reliable O-ring seal** that prevents fuel vapors from escaping, reducing evaporative emissions a key concern for older vehicles that may not have modern fuel system upgrades. The **smooth, ergonomic grip** ensures easy installation and removal, even in tight spaces or when working in less-than-ideal conditions, while the **durable snap-lock mechanism** guarantees a secure closure every time. Additionally, the cap is designed to accommodate the **original fuel filler neck length and diameter**, ensuring compatibility with the **Chevy P30 s fuel tank system**, whether it s the standard I4 or the high-output V8 configurations.

Beyond its functional excellence, the Gates SX-8327 is also a **visually refined upgrade** for enthusiasts who appreciate both form and function. Its **clean, modern aesthetic** replaces the often-worn or cracked original caps found on many classic trucks, restoring a polished look to the fuel filler area. The cap s **matte black finish** blends seamlessly with aftermarket fuel lines and accessories, making it an ideal choice for restomod projects or those seeking a subtle yet noticeable improvement. Whether you re restoring a **1985 Chevy P30 with a 6.5L I4**, upgrading a **V8-powered Silverado**, or maintaining a **C/K series truck with a high-performance fuel system**, the Gates SX-8327 delivers the **reliability, precision, and performance** that Gates is renowned for.

For owners who demand **OEM-level quality without the original part s wear and tear**, this fuel cap is an essential upgrade. It s not just a replacement it s a **performance-enhancing component** that contributes to a tighter fuel system, reduced emissions, and long-term durability. Gates, a brand synonymous with automotive excellence, ensures that every SX-8327 cap undergoes rigorous testing to meet or exceed industry standards, providing peace of mind for both daily drivers and serious truck enthusiasts. With its **universal fit for the specified Chevrolet P30 models**, this cap is the perfect solution for those looking to restore functionality, improve aesthetics, and maintain the integrity of their vehicle s fuel system for years to come.

### Pros and Cons of buying a Gates SX-8327 Fuel Tank Cap for a 1982 1997 Chevrolet P30 (3.9L, 6.2L, 6.5L L4/V8 Gas, CM)

1. **OEM Fitment and Compatibility** The Gates SX-8327 is designed as an exact replacement for the original fuel tank cap on the Chevrolet P30 series, ensuring a proper seal and preventing fuel vapors from escaping. This helps maintain proper fuel system pressure and reduces emissions.

2. **Durable Construction** Gates is a well-known manufacturer of high-quality automotive parts, and this cap is made from sturdy materials that resist warping, cracking, or corrosion over time. The threaded design is designed to handle the rigors of frequent opening and closing.

3. **Seal Integrity** A properly sealed fuel cap prevents fuel vapors from leaking into the atmosphere, which is important for passing emissions tests (especially in older vehicles where emissions systems are more sensitive). It also helps maintain proper fuel pressure, ensuring optimal engine performance.

4. **Easy Installation** The cap is a direct drop-in replacement, meaning no modifications are required to the fuel tank or surrounding components. It threads onto the existing fuel filler neck without additional tools, making it a straightforward upgrade.

5. **Reliability** Gates parts are known for longevity, reducing the likelihood of premature failure. Unlike cheaper aftermarket alternatives, this cap is less likely to leak or fail due to poor manufacturing.

6. **Compatibility with Multiple Engines** The Gates SX-8327 fits the fuel tank caps on the 3.9L (L4), 6.2L (V8), and 6.5L (V8) engines in the Chevrolet P30 series, making it a versatile choice regardless of engine configuration.

7. **Prevents Fuel Odors and Contamination** A well-sealed cap keeps fuel fumes contained, reducing the risk of fuel odors in the cabin and preventing debris or moisture from entering the fuel system.

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1. **Cost Compared to Generic Alternatives** The Gates SX-8327 is a premium product, and its price may be higher than generic or no-name fuel caps. While the quality justifies the cost, budget-conscious buyers might opt for a cheaper option if they prioritize cost over longevity.

2. **Potential Overkill for Minor Issues** If the original cap was only slightly loose or damaged (e.g., a minor crack or worn seal), a replacement cap may not be strictly necessary unless there are clear signs of leakage or emissions problems. In such cases, a simple tightening or cleaning might suffice.

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. Buyers should verify availability before purchasing to avoid inconvenience.

4. **No Additional Features** Unlike some modern fuel caps, this Gates model does not include features like a built-in pressure relief valve or advanced sealing technology beyond what was standard in the 1980s 1990s. For most P30 owners, this is sufficient, but those seeking "upgraded" features may find it lacking.

5. **Potential for Counterfeit Products** As with any popular aftermarket part, there is a risk of purchasing a counterfeit Gates cap from untrusted sellers. Buyers should purchase from reputable dealers (e.g., RockAuto, Amazon, or local auto parts stores) to ensure authenticity.

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### **Conclusion and Recommendation**

The **Gates SX-8327 fuel tank cap** is an excellent choice for owners of the 1982 1997 Chevrolet P30 with 3.9L, 6.2L, or 6.5L engines. Its **OEM fitment, durability, and reliability** make it a superior alternative to the original cap, especially if the old one is worn, leaking, or failing emissions tests. The cap ensures proper fuel system function, reduces emissions, and prevents fuel odors all while being easy to install.

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

- You want a long-lasting, high-quality replacement that matches the original specifications.

- You prioritize reliability over cost and want to avoid potential issues with cheaper alternatives.

- Your cap is only slightly loose or dirty, and a simple cleaning or tightening resolves the issue.

- You are on a tight budget and can find a reputable generic cap that fits (though quality may vary).

- You are unable to locate the Gates part due to stock issues and must use a last-minute alternative.

For most P30 owners, the **Gates SX-8327 is the best choice** it strikes a balance between performance, durability, and compatibility. If emissions or fuel system issues persist after installation, double-check for other potential causes (e.g., fuel line leaks, EVAP system failures).

Details:

Gates Fuel Tank Cap for 1982 - 1997 Chevrolet P30 3.9L 6.2L 6.5L L4 V8 Gas cm: Status: In Stock.

part #: sx8327 prices

• $22.80-$54.10

specifications fueltanksysteme:

• for makes: Chevrolet
• for years: 1982-1997
• brand: Gates
• mpn: Sx-8327
• 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: C154 34-32
• compatible model: P30
• compatible year: 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

general fueltanksysteme:

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

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Mastercard

shipping fueltanksysteme:

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

returns fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• # reviews: 655345
• rating: 99.6%

offer fueltanksysteme:

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

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