GATES SX-5379 Fuel Tank Gas Cap Yo 5.7L 6.5L V8

( Brand: Gates ), ( Manufacturer Part Number: SX-5379 ), ( 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: C531 77-67 ), ( Compatible Model: C1500 Suburban ), ( Compatible Year: 1999 1998 1997 1996 1995 1994 1993 1992 ), ( 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 5.7l 6.5l V8 Gas Yo fits SUBURBAN C1500 1992–1999

The **Gates SX-5379 Fuel Tank Cap** is a precision-engineered replacement part designed specifically for the **1992 1999 Chevrolet C1500 Suburban** equipped with a **5.7L or 6.5L V8 gasoline engine**, ensuring a seamless fit and optimal performance. Crafted from high-quality, durable materials, this fuel tank cap is built to withstand the demands of daily driving, providing a secure seal that prevents fuel vapors from escaping while maintaining proper pressure within the fuel system. The cap features a **metal spring-loaded mechanism**, which ensures a tight, consistent closure every time, reducing the risk of fuel leaks or evaporation that could lead to reduced fuel efficiency or potential engine performance issues. Its **smooth, ergonomic design** allows for easy installation and removal, even in tight spaces, while the **durable plastic housing** resists cracking, warping, or degradation from exposure to UV rays, extreme temperatures, or fuel residue. Whether you're restoring a classic Suburban or performing routine maintenance, this Gates cap delivers reliability and longevity, matching the original equipment manufacturer (OEM) standards that Chevrolet drivers expect. Built to last, it s an essential component for maintaining the integrity of your vehicle s fuel system and ensuring smooth, trouble-free operation for years to come.

**Pros and Cons of buying a Gates SX-5379 Fuel Tank Cap for a 1992-1999 Chevrolet C1500 Suburban (5.7L/6.5L V8 Gas)**

1. **High-Quality Material and Construction** Gates is a reputable brand known for durable, high-performance parts. This cap is made from sturdy materials designed to withstand wear, corrosion, and the rigors of daily use, especially in vehicles with heavy towing or off-road applications.

2. **Proper Fit and Compatibility** The SX-5379 is specifically engineered to match the fuel tank cap on your 1992 1999 Chevrolet C1500 Suburban with the 5.7L (Vinylite) or 6.5L V8 gas engines. It includes the correct sealing mechanism and pressure valve, ensuring a tight, leak-free fit.

3. **Improved Fuel Vapor Control** Unlike some generic or cheap aftermarket caps, this Gates part features an effective evaporative emissions control system. This helps reduce fuel vapor leaks, which can improve fuel efficiency and reduce harmful emissions.

4. **Easy Installation** The cap is designed for straightforward installation, requiring minimal tools. Most users report that it can be swapped out in under 10 minutes, even for those without extensive mechanical experience.

5. **Reliability and Longevity** Gates parts are built to last, often outlasting OEM components, especially in vehicles that see heavy use. The cap is less likely to crack, warp, or fail prematurely compared to cheaper alternatives.

6. **Positive User Feedback** Many owners of older Chevys and GMCs have reported positive experiences with this specific Gates cap, citing its durability and performance in real-world conditions.

7. **Warranty Coverage** Gates typically offers a warranty on their parts, providing peace of mind in case of manufacturing defects or early failure.

---

1. **Higher Upfront Cost** Compared to generic or no-name fuel tank caps, the Gates part is more expensive. For some buyers, this may be a deterrent, especially if they are on a tight budget.

2. **Potential Overkill for Mild Use** If your Suburban is primarily used for light driving (e.g., daily commuting with minimal towing), an OEM replacement or a mid-range aftermarket cap might suffice. The Gates cap is more suited for heavy-duty or high-mileage vehicles.

3. **Availability and Lead Times** Depending on the retailer, this part may not always be in stock, and shipping times could be longer than for more common parts. Checking inventory before purchasing is advisable.

4. **Mixed Reviews on Sealing Over Time** While Gates parts are generally reliable, some users have reported that the sealing gasket may degrade faster than expected in extreme temperatures or with frequent towing. Regular inspection is recommended.

5. **Installation Challenges for Some** Although the cap is designed for easy installation, a few users have noted that the fuel tank s location (especially in older Suburbans) can make access difficult. Extra care may be needed to avoid damaging the tank or surrounding components.

6. **No Significant Performance Boost** Unlike performance upgrades (e.g., fuel injectors or exhaust systems), replacing the fuel cap is primarily a maintenance or reliability upgrade. It won t improve engine power or fuel economy beyond what the vehicle was originally designed for.

---

The Gates SX-5379 fuel tank cap is an excellent choice for owners of a 1992 1999 Chevrolet C1500 Suburban with a 5.7L or 6.5L V8 gas engine, particularly if the vehicle is used for heavy towing, off-roading, or high-mileage driving. Its superior build quality, reliability, and compatibility make it a worthwhile investment for those prioritizing durability and long-term performance. However, if your Suburban sees minimal use, a slightly cheaper alternative might be sufficient.

For most users, the benefits of the Gates cap such as reduced leaks, improved emissions control, and longevity outweigh the higher cost. It is a part that pays for itself over time by preventing potential fuel system issues and ensuring the vehicle remains in good working order.

---

- You want a high-quality, long-lasting replacement that matches or exceeds OEM standards.

- Your Suburban is used for towing, off-roading, or high-mileage driving.

- You value reliability and are willing to pay a premium for a reputable brand.

- You prefer parts that reduce the risk of fuel leaks or evaporative emissions issues.

- Your budget is tight, and you re willing to accept a slightly lower-quality part for occasional use.

- You find a well-reviewed mid-range aftermarket cap (e.g., from brands like ACDelco or Mopar) at a significantly lower price.

- You re unsure about the part s fit and want to verify compatibility through user reviews or forums before purchasing.

**Final Verdict:** For the average owner of a 1992 1999 Chevrolet Suburban with a 5.7L or 6.5L V8, the Gates SX-5379 is the best available option. It strikes a balance between cost, performance, and longevity, making it a smart upgrade for anyone looking to maintain or enhance their vehicle s fuel system.

Details:

Gates Fuel Tank Cap for 1992 - 1999 Chevrolet C1500 Suburban 5.7L 6.5L V8 Gas yo: Status: In Stock.

part #: sx5379 prices

• $18.61-$24.87

specifications fueltanksysteme:

• for models: C1500, Suburban
• for makes: Chevrolet
• for years: 1992-1999
• brand: Gates
• mpn: Sx-5379
• 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: C531 77-67
• compatible model: C1500 Suburban
• compatible year: 1999 1998 1997 1996 1995 1994 1993 1992
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

general fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• rating: 99.5%
• # reviews: 633062

shipping fueltanksysteme:

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

offer fueltanksysteme:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: March 15, 2026
• quantity: 10

payments fueltanksysteme:

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

returns fueltanksysteme:

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

Gates SX-5379 Is Similar To:

• 10823 Stant Fuel Tank Cap Carquest Gates Cl 00333420082364 (33.3% similar) ...(March 25th, 2018)
• 23924 Gates Corporation Fuel Fill Hose (27.4% similar) Suitable for use with gasoline, gasohol blends of ethanol, methanol, ether's. 5 weight lbs. Suitable for diesel and bio diesel to B20. Cuts easily with knife and wire cutters. Also works well on auxiliary fuel tanks recreational vehicles. Note: use Gates super hex clamps for reliable installation ...(May 27th, 2018)
• 23930 Gates Fuel Filler Hose (29.8% similar) ...(November 4th, 2017)
• 23936 Gates Corporation Fuel Fill Hose (27.4% similar) Note: use Gates super hex clamps for reliable installation. Cuts easily with knife and wire cutters. 25 weight lbs. Suitable for use with gasoline, gasohol blends of ethanol, methanol, ether's. Packaging 5 per carton standard pack 8 product attributes type fuel fill hose specifications center line ...(April 25th, 2018)
• 23940 Gates Fuel Filler Hose (29.8% similar) If your looking to increase gas mileage, get better engine performance, or help the environment 123AUTOPARTS on motors is place buy now...(January 24th, 2019)
• 23964 Gates Fuel Filler Hose (29.8% similar) ...(June 30th, 2018)
• 23968 Gates Fuel Filler Hose (29.8% similar) Get in, sit down, hold on, shut up and enjoy the ride...(March 10th, 2018)
• 23972 Gates Fuel Filler Hose (29.8% similar) Thanks again for trusting DI-auto to get you the right part as quickly possible...(October 15th, 2018)
• 24702 Gates Fuel Filler Hose (29.8% similar) ...(April 3rd, 2018)
• 24703 Gates Fuel Filler Hose (29.8% similar) Small manufacture updates to finish or fit may occur on some parts without stock photo. The return address support most times is incorrect. The photos provide a product presentation of part being sold...(May 5th, 2018)
• 24711 Gates Fuel Hose Degree 72053981315 (25.4% similar) One per package fuel fill hose - angled. Gates fuel fill hose - angled x deg...(September 18th, 2018)