GATES SX-5431 Fuel Tank Gas Cap Uw DJ5 2.2L 3.2L 3.7L L4 V6

( Brand: Gates ), ( Manufacturer Part Number: SX-5431 ), ( 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: C443 78-18 ), ( Compatible Model: Dj5 ), ( Compatible Year: 1969 1968 1967 1966 1965 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Fuel Tank Cap )

Review GATES Fuel Tank Cap Jeep Dj5 2.2l 3.2l 3.7l L4 V6 Gas Delivery Uw fits 1965–1969

The **Gates SX-5431 Fuel Tank Cap** is a meticulously engineered, high-performance replacement part designed specifically for the iconic 1965 through 1969 Jeep DJ-5 models, including those equipped with the legendary **2.2L, 3.2L, 3.7L inline-four (L4), and V6 gasoline engines**. Crafted from durable, corrosion-resistant materials, this fuel cap is built to withstand the demands of off-road adventures while ensuring a secure, leak-free seal for your vehicle s fuel system. The SX-5431 features a robust, threaded design that matches the original Jeep specifications, guaranteeing a perfect fit and preventing fuel vapor leaks that could compromise performance or trigger check engine lights. Its precision-machined threads and reinforced gasket provide an airtight seal, reducing fuel evaporation and maintaining optimal fuel pressure within the tank. Whether you re tackling rugged terrain or cruising on the highway, this cap delivers reliable protection against moisture, debris, and the harshest environmental conditions, extending the lifespan of your Jeep s fuel system. The Gates brand s reputation for quality and durability ensures that this replacement part meets or exceeds OEM standards, offering peace of mind for Jeep enthusiasts who demand nothing less than perfection in their restoration or maintenance projects. Ideal for both classic Jeep restorations and modern modifications, the SX-5431 is a must-have accessory for preserving the integrity of your vehicle s fuel delivery system while enhancing its vintage charm.

Buying a Gates SX-5431 fuel tank cap for a 1965 1969 Jeep DJ-5 (2.2L, 3.2L, 3.7L L4/V6 gasoline or diesel) can be a practical solution for restoring or maintaining your vehicle, but it has both advantages and disadvantages to consider.

1. **Compatibility and Fit:** The Gates SX-5431 is specifically designed for the DJ-5 fuel tank, ensuring a proper fit and alignment with the tank s mounting points and fuel line connections. This reduces the risk of leaks or improper installation.

2. **Durability:** Gates is a well-known manufacturer of automotive parts, particularly for fuel systems. Their products are generally built to last, offering reliable performance over time. The cap is likely made from sturdy materials like metal or reinforced plastic, which can withstand wear and tear better than generic or low-quality alternatives.

3. **Sealing Performance:** A properly functioning fuel cap ensures a tight seal, preventing fuel vapors from escaping into the atmosphere. This helps maintain fuel efficiency and reduces emissions, which is important for both environmental compliance and vehicle performance.

4. **Easy Installation:** The Gates cap is designed to be user-friendly, with straightforward mounting and connection features. Most owners or mechanics can install it without specialized tools or extensive experience.

5. **Prevents Fuel Contamination:** A secure fuel cap helps keep debris, moisture, and contaminants out of the fuel tank, which can prolong the life of your fuel system and engine components.

6. **Maintenance of Resale Value:** If you plan to sell or trade in your Jeep in the future, having an original or high-quality aftermarket part like the Gates cap can contribute to a better impression of overall vehicle care.

1. **Cost:** Compared to generic or no-name fuel caps, the Gates SX-5431 is likely more expensive. While it offers better quality, the price may be a deterrent for budget-conscious buyers or those who prioritize cost over durability.

2. **Availability and Lead Time:** Depending on the supplier, the Gates part may not always be in stock, leading to potential delays in ordering. This could be frustrating if you re working on a project with tight deadlines.

3. **Potential Overkill for Minor Use:** If your Jeep is primarily used for occasional drives or storage, the Gates cap may offer more durability than you actually need. In such cases, a slightly cheaper alternative might suffice without sacrificing performance.

4. **Mismatch with Custom Modifications:** If you ve modified your Jeep s fuel system (e.g., upgraded fuel lines, custom tanks, or aftermarket fuel pumps), the Gates cap may not integrate perfectly with these changes. You might need additional adapters or modifications to ensure compatibility.

5. **Perceived Necessity:** Some Jeep owners may argue that the stock fuel cap, if in good condition, doesn t need replacing. If the existing cap is functional and doesn t leak, replacing it solely for the sake of using Gates might be unnecessary.

The Gates SX-5431 fuel tank cap is a high-quality, reliable choice for restoring or maintaining your 1965 1969 Jeep DJ-5. Its compatibility, durability, and sealing performance make it a strong option for those who prioritize long-term functionality and want to avoid potential issues like leaks or contamination. However, the higher cost and potential overkill for minor use cases may not justify the purchase for everyone. If your Jeep s fuel system is already in good condition and you re on a tight budget, a generic cap might be a practical alternative. Ultimately, the decision depends on your priorities whether you value performance, longevity, and peace of mind over upfront savings.

If you re restoring your Jeep to original or near-original condition, replacing the fuel cap with the Gates SX-5431 is a worthwhile investment. It ensures a proper fit, improves fuel system integrity, and aligns with the quality standards you d expect for a classic vehicle. If you re working with a limited budget or the existing cap is still functional, consider a high-quality generic cap as a cost-effective alternative. Always prioritize parts that meet or exceed OEM standards to avoid future complications.

Details:

Gates Fuel Tank Cap for 1965-1969 Jeep DJ5 2.2L 3.2L 3.7L L4 V6 Gas Delivery uw: Status: In Stock.

part #: sx5431 prices

• $27.74-$174.12

specifications fueltanksysteme:

• for makes: Jeep
• for years: 1965-1969
• brand: Gates
• mpn: Sx-5431
• 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: C443 78-18
• compatible model: Dj5
• compatible year: 1969 1968 1967 1966 1965
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Gates Fuel Tank Cap

payments fueltanksysteme:

• wallet: Google-pay
• credit card: Diners-club
• other

seller fueltanksysteme:

• rating: 99.6%
• city: Indianapolis, Indiana
• # reviews: 651140

returns fueltanksysteme:

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

shipping fueltanksysteme:

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

offer fueltanksysteme:

• sold: 0
• quantity: 6
• started: April 29, 2026
• availability: In Stock
• options: Ship-to-home

general fueltanksysteme:

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

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