GATES SX-9891 Benz Fuel Tank Gas Cap Pj 3.4L L6

( Brand: Gates ), ( Manufacturer Part Number: SX-9891 ), ( 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: C301 75-26 ), ( Compatible Make: Mercedes-benz ), ( Compatible Year: 1995 1994 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Mercedes benz 3.4l L6 Gas Delivery Pj fits S350 1994–1995

The **Gates SX-9891 Fuel Tank Cap** is a precision-engineered replacement part designed specifically for the **1994 1995 Mercedes-Benz S350** with the **3.4L inline-six (L6) gasoline engine (PJ series)**, ensuring a seamless fit and optimal performance. Crafted from high-quality materials, this fuel tank cap is built to meet or exceed OEM standards, delivering reliable sealing and ventilation to maintain proper fuel system pressure while preventing vapor leaks. The cap features a robust, durable construction with a secure locking mechanism, ensuring it stays firmly in place during operation, even under the dynamic conditions of high-performance driving. Its sleek, aerodynamic design not only enhances the vehicle s aesthetic appeal but also integrates seamlessly with the original equipment, preserving the S350 s refined and luxurious appearance. Engineered to withstand the demands of daily driving as well as occasional spirited excursions, this Gates replacement cap is a dependable choice for owners seeking both functionality and authenticity. Whether used as a direct OEM swap or as part of a fuel system refresh, the SX-9891 guarantees a tight, leak-proof seal, helping to preserve fuel efficiency and engine longevity. Gates reputation for precision manufacturing ensures that every component meets exacting tolerances, making this an ideal upgrade for those who demand nothing less than perfection in their Mercedes-Benz.

### **Pros and Cons of buying a Gates SX-9891 Fuel Tank Cap for a 1994-1995 Mercedes-Benz S350 (3.4L L6 Gas, P/J)**

1. **OEM Fitment and Compatibility** The Gates SX-9891 is designed as an exact replacement for the original fuel cap on your 1994-1995 Mercedes-Benz S350, ensuring proper sealing and functionality. This reduces the risk of fuel leaks, vapor loss, or EVAP system malfunctions.

2. **High-Quality Materials** Gates is a reputable brand known for durable, corrosion-resistant components. The cap is likely made from sturdy plastic and features a reliable sealing gasket, which helps prevent moisture and debris from entering the fuel system.

3. **Prevents EVAP System Issues** A faulty or missing fuel cap can trigger the EVAP system warning light on your Mercedes. A proper replacement ensures the system remains balanced, avoiding unnecessary check engine lights or emissions-related problems.

4. **Easy Installation** The cap is a direct drop-in replacement, meaning no modifications are required. Most mechanics or DIYers can install it in under 10 minutes without specialized tools.

5. **Cost-Effective Solution** Compared to labor costs for a dealer replacement, purchasing the cap yourself is significantly cheaper. It also avoids potential markup fees from dealerships.

6. **Compatibility with Aftermarket Mods** If you ve installed an aftermarket fuel pump, filter, or other modifications, a proper fuel cap ensures the system operates correctly without restrictions.

7. **Aesthetic Match** The Gates cap closely resembles the original, maintaining the vehicle s appearance without the need for custom parts.

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1. **Potential Counterfeit Concerns** Some aftermarket parts, including fuel caps, may be counterfeit or low-quality knockoffs. Ensure you purchase from a trusted seller (e.g., Amazon, RockAuto, or a reputable auto parts store) to avoid receiving a substandard or non-functional part.

2. **Limited Brand-Specific Support** While Gates is a well-known brand, Mercedes-Benz dealerships may not recognize it as an "approved" part, meaning they won t warranty it if issues arise. However, this is rare for a simple component like a fuel cap.

3. **No Additional Features** Unlike some high-end aftermarket caps, this is a basic OEM replacement. It does not include extra features like reinforced seals, LED indicators, or smart fuel level sensors.

4. **Possible Stiffness Over Time** Some plastic fuel caps can become brittle with age or exposure to extreme temperatures. While Gates parts are generally durable, long-term wear is still a factor.

5. **Availability and Lead Times** Depending on the seller, stock may be limited, and you might experience delays in receiving the part, especially if ordering from an international supplier.

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The **Gates SX-9891 fuel tank cap** is a **reliable, cost-effective, and direct replacement** for your 1994-1995 Mercedes-Benz S350. It addresses common issues like EVAP system errors, fuel leaks, and improper sealing while maintaining the vehicle s original appearance. The brand s reputation for quality makes it a **strong choice** over generic or unknown brands.

However, **buying from an untrusted source could result in a counterfeit or defective part**, so verify the seller s authenticity. If you prioritize **long-term reliability and OEM compatibility**, this is the best option. For added peace of mind, consider purchasing from a well-reviewed retailer with a return policy.

**Buy the Gates SX-9891 fuel tank cap** from a reputable seller (e.g., **RockAuto, Amazon, or a local auto parts store with good reviews**). If you re unsure about installation, have a mechanic verify the fit before committing. This part is a **simple, high-value fix** that prevents bigger problems down the road.

For extra assurance, check for **customer reviews or return policies** before purchasing. If you re on a tight budget, compare prices across sellers, but **do not compromise on brand quality** a cheap knockoff could lead to recurring issues.

Details:

Gates Fuel Tank Cap for 1994 - 1995 Mercedes-Benz S350 3.4L L6 Gas Delivery pj: Status: In Stock.

part #: sx9891 prices

• $24.76-$77.06

specifications fueltanksysteme:

• for models: S350
• for makes: Mercedes
• for years: 1994-1995
• brand: Gates
• mpn: Sx-9891
• 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: C301 75-26
• compatible make: Mercedes-benz
• compatible year: 1995 1994
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

offer fueltanksysteme:

• started: May 30, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 10

seller fueltanksysteme:

• # reviews: 663102
• city: Indianapolis, Indiana
• rating: 99.7%

general fueltanksysteme:

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

payments fueltanksysteme:

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

returns fueltanksysteme:

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

shipping fueltanksysteme:

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

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