GATES SX-9628 Fuel Tank Gas Cap Dq V2500 6.2L V8

( Brand: Gates ), ( Manufacturer Part Number: SX-9628 ), ( 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: C426 29-51 ), ( Compatible Model: V2500 Suburban ), ( Compatible Year: 1991 1990 1989 ), ( 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 V2500 6.2l V8 Gas Dq fits SUBURBAN 1989–1991

The **Gates SX-9628 Fuel Tank Cap** is a meticulously engineered, high-performance replacement part designed specifically for the **1989-1991 Chevrolet V2500 Suburban** equipped with the **6.2L V8 gas engine** and **DQ450/DQ500 automatic transmission**. Crafted from durable, corrosion-resistant materials, this fuel tank cap ensures a secure, leak-proof seal while maintaining optimal fuel vapor control, which is critical for both performance and longevity of your vehicle s fuel system. The cap features a **precision-machined rubber gasket** that resists swelling, cracking, or degradation from fuel vapors, gasoline additives, or environmental exposure, providing a reliable barrier against spills and emissions. Its **threaded design** is engineered to match the exact specifications of the original equipment manufacturer (OEM), ensuring a snug, vibration-resistant fit that prevents loosening over time even during rough driving conditions or off-road adventures. Beyond its functional integrity, the Gates SX-9628 stands out with its **aesthetic compatibility**, replicating the styling and finish of the OEM component to preserve the Suburban s classic appearance. Whether you re restoring a vintage vehicle, upgrading for reliability, or simply maintaining your truck s fuel system, this cap delivers the perfect blend of performance, durability, and authenticity. Trusted by mechanics and enthusiasts alike, the Gates brand guarantees not just a replacement part, but a **long-lasting solution** that keeps your fuel system operating at peak efficiency.

### Pros and Cons of buying a Gates SX-9628 Fuel Tank Cap for a 1989-1991 Chevrolet V2500 Suburban (6.2L V8 Gas, DQ)

1. **OEM Fitment and Compatibility** The Gates SX-9628 is designed as an original equipment replacement part for your specific vehicle model and engine configuration. This ensures a proper fit without modifications, reducing the risk of leaks or improper sealing.

2. **High-Quality Materials** Gates is a reputable manufacturer known for producing durable, corrosion-resistant components. The fuel cap is likely made from sturdy plastic and includes a reliable sealing mechanism to prevent fuel vapors from escaping.

3. **Easy Installation** As an OEM replacement, the fuel cap should be straightforward to install, requiring no special tools beyond a basic socket or wrench. The design aligns with the factory specifications, making it user-friendly for DIYers.

4. **Prevents Fuel Evaporation and Emissions** A properly sealed fuel cap helps maintain fuel integrity by reducing evaporation, which can lead to fuel loss and potential engine performance issues. It also complies with emissions regulations by containing fuel vapors.

5. **Cost-Effective Solution** Compared to purchasing a new fuel tank or having a dealer replace the cap, this part is relatively inexpensive. It s a simple, low-risk upgrade that can extend the life of your fuel system.

6. **Availability and Reliability** Gates parts are widely available through auto parts stores, online retailers, and dealerships. The brand has a strong reputation for reliability, reducing the likelihood of premature failure.

7. **Prevents Fuel Leaks and Contamination** A damaged or missing fuel cap can allow debris, moisture, or contaminants to enter the fuel system, leading to clogs or engine issues. Replacing it ensures a clean and sealed environment for your fuel.

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1. **Potential Counterfeit or Low-Quality Duplicates** While Gates is a trusted brand, purchasing from unverified sellers (e.g., unlicensed online marketplaces) could result in counterfeit or substandard replicas. Always buy from authorized dealers or reputable retailers to avoid this risk.

2. **Minimal Performance Impact** Unlike high-performance upgrades, a fuel cap replacement does not directly improve engine power or efficiency. Its primary benefit is functional preventing leaks and maintaining fuel system health.

3. **Wear and Tear Over Time** Even high-quality fuel caps can degrade with age, especially if exposed to UV light, extreme temperatures, or fuel additives. While the Gates SX-9628 is durable, it may still require replacement if damaged or cracked after prolonged use.

4. **Possible Misalignment During Installation** If not installed correctly, the cap could be loose or improperly seated, leading to leaks or a faulty fuel gauge reading. Careful installation is necessary to avoid this issue.

5. **Limited Customization** Unlike aftermarket performance caps (which may include features like pressure relief valves for better fuel system management), the Gates SX-9628 is a standard OEM replacement with no additional benefits beyond basic functionality.

6. **Potential for Sticking or Seizing** Over time, fuel residue or debris can cause the cap to stick or fail to open/close smoothly. While this is rare with a new Gates cap, it s a possibility if the vehicle has been neglected or exposed to contaminants.

7. **No Warranty on Aftermarket Purchases** If you purchase the cap from a non-dealer source, the warranty may be limited or nonexistent. Gates typically offers warranties through authorized channels, so verify coverage before buying.

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The Gates SX-9628 fuel tank cap is an excellent choice for your 1989-1991 Chevrolet V2500 Suburban if you prioritize **reliability, ease of installation, and OEM compatibility**. It addresses common issues like fuel leaks, evaporation, and contamination while being a cost-effective solution. However, its benefits are primarily functional rather than performance-oriented, and potential drawbacks (such as counterfeit risks or long-term wear) can be mitigated by purchasing from trusted sources and ensuring proper installation.

- You need a direct OEM replacement to fix a leaky or missing cap.

- You want a durable, high-quality part from a reputable brand.

- You re comfortable with a straightforward, low-risk upgrade.

- You suspect the cap is damaged beyond simple replacement (e.g., cracked fuel tank or corroded threads), as additional repairs may be needed.

- You re purchasing from an unverified seller, as counterfeit parts could fail prematurely.

- Purchase from an **authorized Gates distributor, O Reilly Auto Parts, RockAuto, or your local Chevrolet dealer** to ensure authenticity.

- Inspect the cap for cracks, warping, or damage before installation.

- Follow the installation instructions carefully to avoid misalignment.

- Consider replacing the **fuel tank gasket or filler neck gasket** if they appear worn, as these can also cause leaks.

For most owners, the Gates SX-9628 is a **safe, practical, and worthwhile upgrade** that maintains the integrity of your vehicle s fuel system.

Details:

Gates Fuel Tank Cap for 1989 - 1991 Chevrolet V2500 Suburban 6.2L V8 Gas dq: Status: In Stock.

part #: sx9628 prices

• $23.87-$31.68

specifications fueltanksysteme:

• for models: Suburban
• for makes: Chevrolet
• for years: 1989-1991
• brand: Gates
• mpn: Sx-9628
• 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: C426 29-51
• compatible model: V2500 Suburban
• compatible year: 1991 1990 1989
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

payments fueltanksysteme:

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

returns fueltanksysteme:

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

offer fueltanksysteme:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 11, 2026
• quantity: 10

shipping fueltanksysteme:

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

general fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• # reviews: 655737
• rating: 99.6%

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