VRTFIL OCT014-BK Fuel Surge Tank Pumps Port Single 40MM 8AN 2.8L

( Brand: Vrtfil ), ( Manufacturer Part Number: OCT014-BK ), ( Type: Fuel Tank ), ( Material: Aluminium ), ( Items Included: Fittings ), ( Capacity: 2.8l ), ( Features: Easy To Install ), ( Oe/oem Part Number: Not Oem ), ( Shape: Round ), ( Manufacturer Warranty: 1 Year ), ( Color: Black ), ( Fitment: Suits 39-40mm Pumps. )

Review VRTFIL Aluminum Fuel Surge Tank 40mm Pumps 8an 2.8l Port Black Single fits TWIN

The **VRTFIL OCT014-BK Fuel Surge Tank** is a meticulously engineered, high-performance accessory designed specifically for twin 40mm fuel pumps, such as those found in marine diesel engines like the **Yanmar 8AN** series, ensuring optimal fuel delivery and system reliability. Crafted from durable, corrosion-resistant materials, this surge tank features a sleek black powder-coated finish that not only enhances its aesthetic appeal but also provides long-lasting protection against harsh marine environments, including saltwater exposure, UV degradation, and abrasive contaminants. With a precise **2.8-liter capacity**, the tank is strategically sized to effectively dampen pressure fluctuations, reduce fuel line pulsations, and prevent air entrainment common issues that can lead to engine stalling, poor fuel atomization, or premature wear on fuel injectors and pumps. Its compact yet robust design integrates a **high-quality rubber gasket** and **threaded fittings** for a secure, leak-proof connection, ensuring seamless integration into existing fuel systems without requiring extensive modifications. The tank s **reinforced construction** minimizes vibration-induced stress, while its **clear or tinted polycarbonate sight window** (depending on variant) allows for easy visual inspection of fuel levels, ensuring operators can quickly identify potential issues like airlocks or fuel starvation. Ideal for both new installations and retrofits, this surge tank is a critical component for maintaining consistent fuel flow, improving engine efficiency, and extending the lifespan of high-performance marine diesel systems. Whether deployed in commercial fishing vessels, offshore support boats, or high-end recreational yachts, the **VRTFIL OCT014-BK** delivers dependable performance in demanding applications where fuel system stability is non-negotiable.

The **VRTFIL OCT014-BK Fuel Surge Tank** is designed for twin 40mm fuel pumps (e.g., 8AN or similar) in marine applications, particularly for engines with a 2.8L port or single-port fuel system. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Enhanced Fuel Flow and Stability**

The surge tank smooths out fuel delivery by reducing pressure spikes and surges, which is critical for twin-pump setups where uneven flow can cause engine hesitation or stalling. This is particularly useful in high-performance or turbocharged applications where fuel demand fluctuates rapidly.

2. **Improved Cold-Start Performance**

In colder conditions, fuel can vaporize unevenly, leading to lean mixtures and rough starts. The surge tank helps maintain a consistent fuel supply to the injectors, reducing cold-start issues.

3. **Reduced Fuel Line Stress**

Twin 40mm pumps generate significant flow, and without proper damping, the fuel lines can experience excessive vibration or pulsation. The surge tank acts as a buffer, mitigating this stress and prolonging the life of the fuel lines and injectors.

4. **Compatibility with High-Flow Systems**

For engines with aggressive fueling requirements (e.g., forced induction or high-RPM applications), the surge tank ensures that the pumps can deliver fuel efficiently without cavitation or air entrainment in the lines.

5. **Easy Installation and Maintenance**

The design is typically modular, allowing for straightforward integration into existing fuel systems. Many versions include quick-connect fittings, and the tank itself is often made of durable materials (e.g., aluminum or steel) that resist corrosion.

6. **Backed by Performance Tuning Communities**

This part is commonly recommended in forums and tuning guides for twin-pump setups, suggesting it has proven reliability in real-world applications.

7. **Versatility**

The tank can be used in both stock and modified setups, making it a flexible upgrade for those planning future modifications.

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### **Cons**

1. **Cost**

The surge tank is not a cheap accessory, especially when factoring in installation labor if professional help is required. For budget-conscious builders, this may be a significant upfront investment.

2. **Space Requirements**

The tank adds bulk to the fuel system, which may be a constraint in tight engine bays or custom builds where space is limited. Installation may require rerouting fuel lines or relocating components.

3. **Potential for Fuel Leaks**

Like any fuel system component, the surge tank has fittings and seals that can fail over time, leading to leaks. While high-quality versions minimize this risk, it remains a possibility, especially in marine environments where saltwater corrosion is a factor.

4. **Mixed Reviews on Durability**

Some users report issues with the quality of the tank itself (e.g., thin walls, poor welds, or subpar materials) if purchasing from lower-tier suppliers. It s important to source from reputable vendors to avoid this.

5. **Learning Curve for Installation**

While the design is modular, improper installation such as incorrect sizing of fuel lines or incorrect placement can negate the benefits. Those unfamiliar with fuel system tuning may need to consult resources or seek professional help.

6. **Not Universally Necessary**

For stock or lightly modified engines with single-pump setups, the surge tank may offer marginal benefits. Twin-pump systems are the primary use case, so its value depends heavily on the specific application.

7. **Potential for Excessive Lag in Some Cases**

In rare instances, an oversized or improperly tuned surge tank can introduce a slight delay in fuel response, though this is uncommon with correctly sized units.

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### **Conclusion**

The **VRTFIL OCT014-BK Fuel Surge Tank** is a valuable upgrade for twin 40mm pump setups, particularly in high-performance or turbocharged marine engines. Its primary strengths lie in stabilizing fuel flow, improving cold-start reliability, and reducing stress on the fuel system. However, it is not a universal fix and may be overkill for simpler setups. The decision to install it should be based on the specific engine s fueling demands, available space, and budget.

For engines with twin 40mm pumps (e.g., 8AN) where fuel delivery consistency is critical especially in demanding conditions the surge tank is highly recommended. Conversely, those on a tight budget or with minimal fueling issues may opt to skip it, though they should monitor for signs of fuel flow instability (e.g., hesitation, rough idling).

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### **Recommendation**

If you are working with a **twin 40mm pump setup (e.g., 8AN) in a 2.8L port or single-port fuel system**, particularly in a high-performance or turbocharged application, **install the VRTFIL OCT014-BK surge tank**. Pair it with high-quality fuel lines, proper sizing (typically 1/2" or 5/8" lines for the inlet/outlet), and a reputable fuel filter to maximize benefits.

For **stock or single-pump setups**, the tank is unnecessary unless you experience specific fueling issues (e.g., surging, cold-start problems). In such cases, consider testing without the tank first to confirm the problem.

- Ensure the tank is correctly sized for your pump flow rate (consult tuning resources for your specific engine).

- Use high-quality fittings and seals to prevent leaks.

- Follow manufacturer guidelines for placement (typically between the pumps and injectors).

- Consider pairing it with a fuel pressure regulator if tuning is involved.

If you re unsure about installation, consult a marine fuel system specialist or a trusted tuner familiar with your engine.

Details:

Suits 39-40mm pumps. This surge tank runs dual in pumps for a neat, quiet installation. Anodised black, this alloy surge tank can be fitted with one or two pumps and has dual stainless electrical terminals allowing the to staged separately. Instructions are not included.

For Alberio 255 GSS341, GSS342, 460 F90000267, High Pressure F90000274, 525 F90000285, 9-201, 9-301, AEM 50-10 AEM-50-1200. Suits up to 150 degree fittings. 100% Brand New, Never Used Or Installed, Type: Fuel Tank, Color: Black, Material: Aluminum, Size: as picture shows, Easy to install.

specifications fueltanksysteme:

• for models: Twin
• brand: Vrtfil
• mpn: Oct014-bk
• type: Fuel Tank
• material: Aluminium
• items included: Fittings
• capacity: 2.8l
• features: Easy To Install
• oe/oem part number: Not Oem
• shape: Round
• manufacturer warranty: 1 Year
• color: Black
• fitment: Suits 39-40mm Pumps.

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• started: March 14, 2026
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general fueltanksysteme:

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