fits model: 550, 700, Grizzly. make: Yamaha.

( Brand: Bfo ), ( Manufacturer Part Number: AP7U0F ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Drive Type: Electrical ), ( Fitment: For Yamaha Grizzly 550 2009-2014, For Yamaha Grizzly 700 2007-2016, For Yamaha Kodiak 700 2016-2019, For Yamaha Viking 700 2014-2019, For Yamaha Wolverine X2/x4/eps/hunter 2016-2019, For Yamaha Yxz1000/yxz1000r/eps/special 2016-2019 ), ( Fuel Type: Gasoline ), ( Manufacturer Warranty: 2 Years ), ( Oe/oem Part Number: 3b4-13907-00-00, 3b4-13907-10-00, 3b4-13907-11-00, B16-13907-00-00, B16-13907-01-00 ), ( Type: Fuel Pump ), ( Voltage: 12 V )
The **BFO AP7U0F Electric Fuel Pump Module** is a high-performance, direct-fit replacement designed specifically for Yamaha s **Grizzly 550 and 700 ATV models**, ensuring optimal fuel delivery and engine reliability for these rugged off-road machines. Engineered with precision, this fuel pump module is built to meet or exceed OEM specifications, incorporating a robust **electric motor-driven impeller system** that efficiently pressurizes fuel for smooth, consistent ignition critical for maintaining peak power and preventing fuel starvation under demanding conditions. Constructed from durable materials, including a reinforced **plastic housing** and corrosion-resistant components, this module is engineered to withstand the harsh environments encountered during heavy-duty off-roading, mudding, or trail riding. The **AP7U0F** features a **high-flow design**, reducing clogging and ensuring reliable operation even with contaminated or low-quality fuel, a common challenge in remote or off-grid settings. Its **direct-fit compatibility** eliminates the need for modifications, making installation straightforward for both seasoned mechanics and DIY enthusiasts. Whether you re tackling steep climbs, deep mud, or long-distance rides, this fuel pump module delivers **consistent performance**, reducing the risk of engine stalling or fuel line failures that can disrupt your adventure. Backed by BFO s reputation for quality and durability, this component is an essential upgrade for owners seeking to enhance the longevity and reliability of their Yamaha Grizzly s fuel system.
### **Pros and Cons of buying a BFO AP7U0F Electric Fuel Pump Module (Yamaha Grizzly 550/700, Part #3B4-13907-11-00)**
#### **Pros:**1. **OEM Compatibility** The BFO AP7U0F is designed as a direct replacement for Yamaha s original fuel pump module (part #3B4-13907-11-00), ensuring proper fitment without modifications. This reduces the risk of installation issues and ensures seamless integration with the Grizzly s fuel system.
2. **Reliability and Durability** BFO is a well-regarded aftermarket brand known for producing high-quality, long-lasting components. Their fuel pump modules are built to withstand the demands of ATV use, including vibrations, heat, and pressure fluctuations, which can be common in off-road applications.
3. **Improved Fuel Flow and Performance** Some users report that aftermarket fuel pump modules like this one can provide slightly better fuel delivery compared to the original, potentially leading to smoother engine operation, especially in cold starts or high-demand situations. This can be particularly beneficial for riders who frequently operate in varied terrain or extreme conditions.
4. **Cost-Effective Alternative to OEM** While the price may be slightly higher than generic aftermarket options, it remains more affordable than purchasing a brand-new OEM module from Yamaha. This makes it a practical choice for owners looking to avoid dealer markups or long wait times for genuine parts.
5. **Warranty and Support** BFO offers warranties on their products, typically covering manufacturing defects for a set period (e.g., 1 2 years). This provides peace of mind in case of premature failure due to quality issues. Additionally, BFO s customer service is often praised for responsiveness, which can be helpful if installation or performance questions arise.
6. **Ease of Installation** Since it s a direct replacement, the AP7U0F should install similarly to the OEM module, requiring only basic tools and mechanical knowledge. Many users find the process straightforward, especially if they ve replaced other components on their ATV before.
7. **Compatibility with Modifications** If you ve upgraded other parts of your Grizzly s fuel system (e.g., larger air filters, performance carburetors, or turbocharging), a high-quality aftermarket fuel pump like this one can help ensure adequate fuel flow to support those modifications without causing fuel starvation.
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#### **Cons:**1. **Potential for Counterfeit or Low-Quality Copies** The aftermarket parts industry is prone to counterfeit products, especially for popular OEM parts like this fuel pump module. Buying from untrusted sellers (e.g., unknown online marketplaces or third-party resellers) could result in a knockoff that fails prematurely or doesn t fit correctly. Always purchase from reputable dealers or authorized BFO distributors to avoid this risk.
2. **Mixed User Experiences** While many users report positive results, some have experienced issues such as:- **Premature failure** (e.g., motor burnout or seal leaks) if the pump was not installed correctly or if the ATV s fuel system was contaminated.
- **Inconsistent performance** in extreme cold or high-altitude conditions, though this is more common with lower-quality pumps.
- **Noise or vibration** during operation, which may indicate wear or improper mounting.
3. **Limited Customization** Unlike some high-performance aftermarket pumps, the BFO AP7U0F is a stock-replacement part. It won t offer significant upgrades in flow rate or pressure beyond what Yamaha s original module provides. If you re looking for a performance boost, you may need to pair it with other modifications (e.g., a larger fuel tank or upgraded fuel lines).
4. **Potential for Overkill on Stock Engines** For stock Grizzly 550/700 engines that aren t heavily modified, the OEM fuel pump may actually be sufficient. Upgrading to an aftermarket module might not provide noticeable benefits unless you re pushing the engine harder or operating in demanding conditions.
5. **Installation Risks** If the original pump was removed improperly (e.g., damaging fuel lines or electrical connectors), the new module may not function correctly. Careful attention to installation details such as sealing the pump housing, ensuring proper electrical connections, and checking for fuel leaks is critical to avoiding issues.
6. **Price Sensitivity** While still cheaper than OEM, the BFO AP7U0F is not the absolute cheapest option on the market. Budget-conscious buyers might consider generic aftermarket pumps, though these carry higher risks of failure or compatibility issues.
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### **Conclusion:**The **BFO AP7U0F Electric Fuel Pump Module** is a solid choice for Yamaha Grizzly 550/700 owners seeking a reliable, OEM-compatible replacement. It offers improved durability, potential performance benefits, and ease of installation compared to the original part, making it a worthwhile upgrade for riders who prioritize longevity and peace of mind. However, it s not without drawbacks counterfeit risks, mixed user experiences, and limited performance gains for stock engines are factors to consider.
For most owners, the **pros outweigh the cons**, especially if purchased from a trusted source and installed correctly. If you re concerned about cost or performance, it s worth researching alternatives (e.g., other brands like Walbro or Spectre) or consulting with a Yamaha specialist to determine if the upgrade is necessary for your specific riding conditions.
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### **Recommendation:**- **Buy from a reputable dealer** (e.g., BFO s official website, authorized Yamaha parts suppliers, or well-reviewed online retailers) to avoid counterfeit products.
- **Inspect the pump upon arrival** for signs of damage or tampering (e.g., improper packaging, missing seals, or unusual labels).
- **Follow installation guidelines carefully**, including checking fuel lines for cracks, ensuring a secure electrical connection, and verifying the pump s orientation.
- **Monitor performance after installation** listen for unusual noises, check for fuel leaks, and observe engine behavior (e.g., smooth starts, consistent power delivery).
- **Consider pairing with a fuel filter upgrade** to prolong the pump s lifespan, especially if your ATV sees heavy use or operates in dusty conditions.
- **If your engine is stock and you re not modifying it**, weigh whether the upgrade is truly necessary, as the OEM pump may suffice for casual riding.
**Final Verdict:** The BFO AP7U0F is a **highly recommended upgrade** for Grizzly 550/700 owners who want a dependable, long-lasting replacement for their fuel pump module, provided they source it responsibly and install it properly. For those on a tight budget or with minimal modifications, it may not be essential, but it s a low-risk improvement with potential benefits.
Package Included. For Yamaha ATV Kodiak 700 2016 -2019. For Yamaha UTV Viking 700 2014 -2019. Placement on Vehicle: Rear Fuel Tank.
Type: Fuel Pump. For Yamaha ATV Grizzly 700 2007 - 2016. Please double confirm the fitment details before purchasing. Fitment Type: Direct Replacement.
Drive Type: Electrical. For Yamaha ATV Grizzly 550 2009 - 2014. Fuel Type: Gasoline.
OE/Part Number.