BFO WO6R5A Outboard Impeller Kit 4HP-9.8HP 47-89981T1 46-89981Q1 47-39074

( Brand: Bfo ), ( Manufacturer Part Number: WO6R5A ), ( Part Type: Impeller ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Country Of Origin: China ), ( Fitment: For Mercury Outboards 4hp, 4.5hp, 7.5hp, 9.8hp )

Review BFO Outboard Impeller Kit Mercury 4hp-9.8hp

The **BFO WO6R5A Outboard Impeller Kit** is a precision-engineered replacement solution designed specifically for Mercury outboard motors ranging from **4HP to 9.8HP**, covering critical model numbers such as **47-89981T1, 46-89981Q1, and 47-39074**. This high-performance impeller kit is meticulously crafted to restore optimal water flow and propulsion efficiency, ensuring your engine operates at peak performance while minimizing wear and tear on the internal components. The kit features a **durable, corrosion-resistant impeller** constructed from high-grade materials, engineered to withstand the harsh conditions of marine environments, including saltwater exposure, debris impact, and prolonged use. The impeller s aerodynamic design maximizes thrust output, reducing fuel consumption and improving overall engine responsiveness, which is particularly beneficial for smaller outboards where efficiency is paramount. Whether you re using your boat for recreational fishing, leisure cruising, or light duty tasks, this impeller kit helps maintain consistent power delivery and extends the lifespan of your Mercury engine by reducing strain on the lower unit and drive components. Installation is straightforward, requiring minimal tools, and the kit includes all necessary parts such as the impeller, gasket, and sometimes a drive gear ensuring a complete and hassle-free upgrade. By investing in the **BFO WO6R5A**, boat owners can trust in a reliable, long-lasting solution that enhances performance, reduces maintenance headaches, and preserves the integrity of their Mercury outboard s critical propulsion system.

### **Pros and Cons of buying a BF&O WO6WR5A Outboard Impeller Kit for Mercury 4HP 9.8HP (Models 47-89981T1, 46-89981Q1, 47-39074)**

1. **Direct Fitment** The kit is specifically designed for the listed Mercury outboard models (4HP 9.8HP), ensuring compatibility without modification. This eliminates guesswork and reduces the risk of improper installation.

2. **Improved Performance** A worn or damaged impeller can reduce engine efficiency, fuel economy, and power output. Replacing it with a new, high-quality impeller restores proper water flow, cooling, and thrust, leading to better overall performance.

3. **Prevents Engine Damage** A failing impeller can cause overheating, reduced cooling, or even engine stall due to insufficient water intake. Replacing it proactively avoids costly repairs from heat-related damage.

4. **Easy Installation** The kit typically includes clear instructions and may require minimal tools, making it a straightforward DIY project for most boat owners. No major disassembly is usually needed.

5. **Cost-Effective Upgrade** Compared to full engine overhauls or repairs, replacing just the impeller is a budget-friendly solution. It extends the life of your engine without requiring a major investment.

6. **Increased Longevity** Regular maintenance, including impeller replacement, helps keep the engine running smoothly for years, delaying the need for more extensive repairs.

7. **Compatibility with Other BF&O Parts** BF&O (Boat Fuel & Oil) is a reputable brand known for high-quality marine parts. Using their impeller ensures consistency with other BF&O components you might use in the future.

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1. **Limited Brand Recognition** While BF&O is a trusted name in marine maintenance, it may not be as widely recognized as larger brands like Mercury or Yamaha. Some boat owners prefer parts from the original manufacturer (OEM) for perceived reliability.

2. **Potential for Counterfeit Products** As with any aftermarket part, there is a risk of purchasing a fake or low-quality impeller, especially if buying from unverified sellers. Always source from authorized dealers or reputable online retailers.

3. **No Warranty on Engine Performance** Replacing the impeller improves performance, but it does not address other potential issues (e.g., clogged jets, worn seals, or fuel system problems). If performance remains poor after installation, further diagnostics may be needed.

4. **Installation Errors** If the impeller is not installed correctly (e.g., improper alignment or torque), it could lead to water leaks, reduced efficiency, or even damage to the lower unit. Careful attention to the instructions is required.

5. **Cost Relative to OEM Parts** While BF&O impellers are affordable, they may be slightly more expensive than generic or no-name alternatives. However, the trade-off is usually better quality and longevity.

6. **Limited Availability** Depending on your location, BF&O parts may not be as widely stocked as OEM or major aftermarket brands. You may need to order online or visit specialty marine supply stores.

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The **BF&O WO6WR5A Outboard Impeller Kit** is a **strong, cost-effective choice** for Mercury 4HP 9.8HP engines (models 47-89981T1, 46-89981Q1, 47-39074). It offers **direct fitment, improved performance, and preventive maintenance benefits** that justify the purchase for most boat owners. The risks such as counterfeit products or installation errors can be mitigated by **purchasing from authorized sellers and following instructions carefully**.

If your primary concern is **long-term reliability and brand trust**, you might consider **OEM Mercury impellers** (part numbers like **47-39074** or **46-89981Q1**) as an alternative. However, BF&O remains a **high-quality, budget-friendly option** that delivers solid performance for the price.

- You need a **direct replacement** for your Mercury engine.

- You want to **improve cooling and performance** without a major investment.

- You prefer **aftermarket parts** from a reputable brand.

- You re comfortable with **DIY installation** and have access to clear instructions.

- You prioritize **brand warranty support** or OEM compatibility.

- You re unsure about aftermarket quality and prefer a well-known manufacturer.

- You re open to spending slightly more for perceived extra reliability.

**Final Verdict:** For most users, the BF&O kit is an **excellent, practical choice** that balances cost, performance, and ease of use. Just ensure you **buy from a trusted source** and **install it correctly** to maximize benefits.

Details:

Suspension Masters US. For the Following Mercury Outboards model's 4HP Serial 1 Cl. 2498136 4107219. Best Costumer Service. For Mercury Outboards 4.5 7.5 9.8HP.

Package included. OE/Part number. For the Following Mercury Outboards model's 4.5HP Serial 4107220 to 5595531. For the Following Mercury Outboards model's 4HP Serial made in USA 5595532 UP.

Factory Warranty. Material Rubber Stainless Steel Plastic. Type:Outboard Water Pump Impeller Repair Kit. Guaranteed Fitment Always the correct part.

All messages.

specifications ouboaen:

• for makes: Mercury
• brand: Bfo
• mpn: Wo6r5a
• part type: Impeller
• california prop 65 warning: California Prop 65 Warning
• country of origin: China
• fitment: For Mercury Outboards 4hp, 4.5hp, 7.5hp, 9.8hp

offer ouboaen:

• started: February 25, 2026
• quantity: 10
• availability: In Stock
• sold: 0
• options: Ship-to-home

general ouboaen:

• condition: New
• Boat Parts > Outboard Engines Components > Other

payments ouboaen:

• credit card: Mastercard
• other
• wallet: Paypal

returns ouboaen:

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

seller ouboaen:

• # reviews: 12868
• rating: 99.3%
• city: Elk Grove Village, Illinois

shipping ouboaen:

• cost: $0.00
• transit: 2-6 Days
• class: Standard
• service: Standard
• type: Fixed

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