GATES SX-3050 Fuel Tank Gas Cap If 2.4L 3.6L L4 V6

( Brand: Gates ), ( Manufacturer Part Number: SX-3050 ), ( 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: C124 60-42 ), ( Compatible Model: Lacrosse ), ( Compatible Year: 2016 2015 2014 2013 2012 2011 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Buick 2.4l 3.6l L4 V6 Gas If fits LACROSSE C124 2011–2016

The **Gates SX-3050 Fuel Tank Cap** is a precision-engineered replacement part designed specifically for the 2011 through 2016 Buick Lacrosse models equipped with either the 2.4L inline-4 or the 3.6L V6 gasoline engine. Crafted from high-quality materials, this fuel tank cap ensures a secure, airtight seal to prevent fuel evaporation and maintain optimal engine performance while adhering to strict emissions standards. The cap features a durable, corrosion-resistant construction that resists wear from environmental elements, ensuring long-term reliability even in varying weather conditions. Its ergonomic design allows for easy installation and removal, with a smooth, secure fit that eliminates the risk of leaks or improper sealing critical for preventing fuel odors and potential engine damage. The cap also incorporates a modern fuel-filler neck design that aligns perfectly with the vehicle s fuel system, providing a snug, interference-free connection. Whether you're performing routine maintenance or addressing a worn-out original component, the Gates SX-3050 offers a direct, OEM-quality replacement that restores both functionality and confidence in your Buick s fuel system. Built to meet or exceed factory specifications, this part is an ideal choice for drivers seeking a dependable, long-lasting solution.

### Pros and Cons of buying a Gates SX-3050 Fuel Tank Cap for a 2011-2016 Buick Lacrosse (2.4L or 3.6L Engine)

1. **OEM Fitment and Compatibility** The Gates SX-3050 is designed as an original equipment replacement part, meaning it should fit securely on your 2011-2016 Buick Lacrosse without modifications. This reduces the risk of leaks or improper sealing compared to aftermarket alternatives that may not match perfectly.

2. **High-Quality Materials** Gates is a reputable brand known for producing durable fuel tank caps made from sturdy plastic and rubber components. The cap is designed to withstand pressure fluctuations and prevent fuel vapors from escaping, which helps maintain proper fuel system performance.

3. **Seal Integrity** A well-sealed fuel cap ensures that fuel vapors are contained within the fuel tank, reducing evaporation and helping the vehicle meet emissions standards. This can also prevent fuel odor inside the cabin and improve fuel efficiency slightly over time.

4. **Easy Installation** The design is straightforward, and many users report that replacing the cap is a simple DIY task requiring minimal tools. Gates provides clear instructions, and the cap typically screws on securely without requiring special tools.

5. **Prevents Fuel Leaks** A faulty or damaged fuel cap can allow fuel to seep out, leading to spills or even fire hazards. The Gates SX-3050 is engineered to prevent such issues, ensuring a tight seal when closed.

6. **Compatibility with Both Engines** Since the cap is designed for the Buick Lacrosse (regardless of whether it has a 2.4L or 3.6L engine), you don t need to worry about ordering the wrong part for your specific model.

7. **Long-Term Durability** Gates parts are built to last, reducing the likelihood of needing frequent replacements. This makes it a cost-effective choice in the long run compared to cheaper, lower-quality alternatives that may wear out quickly.

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1. **Potential Overkill for Minor Issues** If your fuel cap is only slightly loose or has a minor leak, a replacement may not be strictly necessary. In such cases, tightening the cap or using a fuel cap sealant could be a temporary fix. However, if the cap is cracked or worn, replacement is the best solution.

2. **Cost Compared to Generic Brands** While Gates is a premium brand, its fuel tank cap may be more expensive than generic or no-name alternatives. If you re on a tight budget, you might consider a budget-friendly option, though quality may vary.

3. **Check for Correct Part Number** Although the Gates SX-3050 is designed for the Buick Lacrosse, it s always wise to double-check the part number against your vehicle s specifications to ensure it matches your exact model year and engine type. Some aftermarket caps may have slight variations in design.

4. **Installation Challenges (Rare)** In some cases, the fuel tank cap may be difficult to remove if it has been tightly secured over time or if there is corrosion. If this happens, you may need to use penetrating oil or a specialized tool to avoid damaging the cap or the fuel tank opening.

5. **Environmental Concerns (Minor)** Like all plastic parts, the Gates cap is not biodegradable. However, this is a minor concern compared to the functional benefits it provides.

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The Gates SX-3050 fuel tank cap is an excellent choice for your 2011-2016 Buick Lacrosse, offering a reliable, high-quality replacement that ensures proper fuel system function and emissions compliance. Its OEM fitment, durability, and ease of installation make it a strong recommendation for anyone looking to replace a worn or damaged fuel cap. While it may be slightly more expensive than generic options, the long-term benefits such as preventing leaks, maintaining fuel efficiency, and avoiding potential emissions-related issues justify the investment.

If your fuel cap is cracked, leaking, or not sealing properly, **I recommend purchasing the Gates SX-3050** as your first choice. However, if you re certain the issue is minor (e.g., a loose seal), you might first try tightening the cap or using a fuel cap sealant before committing to a replacement. Always verify the part number matches your vehicle s specifications before purchasing.

Details:

Gates Fuel Tank Cap for 2011 - 2016 Buick LaCrosse 2.4L 3.6L L4 V6 Gas if: Status: In Stock.

part #: sx3050 prices

• $38.35-$52.55

specifications fueltanksysteme:

• for models: C124, Lacrosse
• for makes: Buick
• for years: 2011-2016
• brand: Gates
• mpn: Sx-3050
• 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: C124 60-42
• compatible model: Lacrosse
• compatible year: 2016 2015 2014 2013 2012 2011
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

payments fueltanksysteme:

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

general fueltanksysteme:

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

offer fueltanksysteme:

• availability: In Stock
• sold: 0
• quantity: 10
• started: April 19, 2026
• options: Ship-to-home

shipping fueltanksysteme:

• type: Fixed
• cost: $0.00
• service: Standard, Expedited
• class: Standard, Expedited
• transit: 4-7 Days

returns fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.6%
• # reviews: 646996
• city: Indianapolis, Indiana

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