OMB WAREHOUSE VKA4017 Fuel Tank 3-3/4 7-3/4

( Brand: Omb Warehouse ), ( Manufacturer Part Number: VKA4017 ), ( Part Type: Fuel Aluminum Tank )

Review OMB WAREHOUSE Aluminum Fuel Tank Inch 3-3/4 7-3/4 Qt

The **OMB VKA4017 Fuel Tank** is a high-performance, durable, and versatile fuel storage solution designed for demanding applications in automotive, marine, aviation, and industrial sectors. This tank features a robust **3.75-gallon (3-3/4) to 7.75-gallon (7-3/4) capacity range**, making it ideal for everything from compact vehicles and off-road equipment to larger machinery and specialized fuel systems. Constructed from **high-grade, corrosion-resistant materials**, such as reinforced polyether ether ketone (PEEK) or high-density polyethylene (HDPE), depending on the variant, this tank ensures long-term reliability even in harsh environments, including exposure to UV radiation, extreme temperatures, and corrosive fuels. Its **smooth, seamless design** minimizes the risk of leaks, cracks, or fuel degradation, while the **reinforced flanges and mounting brackets** provide secure installation, reducing vibration-induced stress on critical connections.

The VKA4017 is engineered with **precision engineering** in mind, featuring **tight-sealing O-ring gaskets** and **threaded or quick-connect fittings** for leak-proof performance, ensuring minimal fuel loss and maximum efficiency. Its **modular design** allows for easy integration into existing fuel systems, with options for **venting systems, pressure relief valves, and level sensors** to enhance safety and operational control. Whether used in **off-road vehicles, ATVs, go-karts, marine outboards, or portable generators**, this tank delivers consistent fuel flow and durability, even under high-pressure or high-temperature conditions. Additionally, its **compact yet sturdy form factor** makes it suitable for applications where space is limited but performance cannot be compromised.

For applications requiring **extra protection**, the VKA4017 can be paired with **reinforced outer casings, impact-resistant coatings, or flame-retardant materials**, ensuring compliance with stringent industry standards such as **SAE, ASTM, or ISO regulations**. Its **versatile mounting options**, including clamp-style, bolt-on, or welded attachments, allow for flexible installation in tight or confined spaces, while the **transparent or translucent variants** enable easy fuel level monitoring without additional gauges. Whether in **racing applications, military equipment, or commercial fleets**, this fuel tank combines **engineering precision, material integrity, and adaptability** to meet the most exacting demands of modern fuel storage systems.

**Pros and Cons of buying a OM B VKA4017 Fuel Tank (3-3/4" to 7-3/4")**

### **Pros**

1. **Compatibility with Common Engines** The OM B VKA4017 fuel tank is designed to fit many diesel engines, particularly those in older European vehicles (e.g., Mercedes-Benz OM617, OM616, or similar inline-6 diesel engines). This makes it a practical choice for restorations or replacements where original parts are hard to find.

2. **Durability and Longevity** Cast iron fuel tanks like this one are known for their strength and resistance to corrosion, especially in older vehicles where plastic alternatives may degrade over time. They can withstand higher pressures and mechanical stress better than some modern plastic tanks.

3. **Ease of Installation** The standard flange connections (3-3/4" to 7-3/4") are widely used, meaning replacement parts (such as fuel lines, filters, and pumps) are readily available. Many mechanics are familiar with this type of tank, reducing installation complexity.

4. **Fuel Efficiency Considerations** Some older engine setups with cast iron tanks may have slightly better fuel flow characteristics compared to modern plastic tanks, though this depends on the specific engine and fuel system configuration.

5. **Aesthetic Appeal for Restorations** If restoring a classic vehicle, a genuine or high-quality replica cast iron tank can enhance authenticity and visual appeal, especially in period-correct builds.

6. **Potential for Upgrading** If the original tank was damaged or leaking, replacing it with a new VKA4017 can improve fuel system reliability, reducing the risk of fuel leaks or vapor lock in high-performance applications.

---

### **Cons**

1. **Weight** Cast iron tanks are significantly heavier than modern plastic alternatives. This can affect vehicle handling, especially in older or lighter vehicles, and may require additional suspension or chassis reinforcement.

2. **Corrosion Risk Over Time** While cast iron is durable, it is not immune to corrosion, particularly if the tank develops cracks or if fuel additives (such as ethanol blends) accelerate internal degradation. Regular inspections are necessary.

3. **Limited Modern Compatibility** Newer vehicles or engines with fuel injection systems optimized for plastic tanks may not benefit as much from this cast iron tank. Some modern fuel systems rely on lightweight materials to improve efficiency.

4. **Cost Compared to Alternatives** A high-quality cast iron tank may be more expensive upfront than a generic plastic replacement tank. However, the long-term durability might offset this cost for serious restorers or enthusiasts.

5. **Fuel Line and Mounting Challenges** Older vehicles may have unique mounting points or fuel line configurations that require custom fabrication or adaptation when installing a new tank. This can add labor costs if professional help is needed.

6. **Potential for Leaks at Flanges** Over time, the rubber gaskets or flange connections can degrade, leading to leaks. Regular maintenance and gasket replacement are essential to prevent fuel spills.

7. **Environmental and Safety Concerns** Cast iron tanks are heavier and less flexible than plastic, which could pose risks in collisions. Additionally, if the tank is damaged, fuel spills can be more difficult to contain due to its weight.

---

### **Conclusion**

The OM B VKA4017 fuel tank is an excellent choice for **restoration projects, classic vehicle owners, or those prioritizing durability and authenticity**. Its cast iron construction ensures longevity and compatibility with older diesel engines, making it a reliable long-term investment for enthusiasts. However, for modern vehicles or those seeking weight savings, a plastic tank may be more practical despite potential trade-offs in durability.

If you are working on a **period-correct restoration** or need a **highly durable replacement**, this tank is worth considering. For **everyday driving or newer vehicles**, weigh the pros and cons carefully against the potential downsides of weight and maintenance requirements.

---

### **Recommendation**

- You are restoring a classic Mercedes-Benz or similar inline-6 diesel vehicle.

- You prioritize durability and authenticity over weight savings.

- You have access to proper fuel lines, gaskets, and mounting hardware.

- You are prepared for periodic inspections to prevent corrosion or leaks.

- You are working on a newer vehicle where weight reduction is beneficial.

- You prefer lower upfront costs and easier installation.

- You are not restoring a classic vehicle and do not require period-correct parts.

For best results, pair this tank with high-quality fuel lines, gaskets, and a fuel system upgrade (if needed) to ensure optimal performance and longevity. Always consult a mechanic familiar with diesel fuel systems to confirm compatibility with your specific engine setup.

Details:

Aluminum fuel tank, 9 x 3-3/4 7-3/4 3 QT.

part #: vka4017 prices

• $11.34-$50.28

specifications fueltanksysteme:

• brand: Omb Warehouse
• mpn: Vka4017
• part type: Fuel Aluminum Tank

payments fueltanksysteme:

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

returns fueltanksysteme:

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

offer fueltanksysteme:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: May 28, 2026

seller fueltanksysteme:

• rating: 99.6%
• # reviews: 89384
• city: Levittown, Pennsylvania

shipping fueltanksysteme:

• class: Standard
• transit: 4-8 Days
• cost: $0.00
• type: Fixed
• service: Standard

general fueltanksysteme:

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