fits model: Sx. make: Volvo.

( Brand: Volvo Penta ), ( Manufacturer Part Number: 886708 ), ( Part Type: Propeller ), ( Propeller Pitch: 19 ), ( Propeller Rotation: Standard ), ( California Prop 65 Warning: This Product May Contain Chemicals Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm. )
The **Volvo Penta 886708 SX 3-Blade Stainless Steel Propeller** is a high-performance marine propulsion solution engineered for efficiency, durability, and optimal power transfer in a wide range of recreational and light commercial vessels. Part of Volvo Penta s premium **SX series**, this propeller is meticulously crafted from **marine-grade stainless steel (19P)**, ensuring exceptional resistance to corrosion, saltwater erosion, and mechanical stress making it ideal for frequent use in harsh marine environments. With a **14.75-inch diameter**, this propeller strikes a balance between acceleration and top-end speed, delivering strong thrust while maintaining smooth, vibration-free operation. The **3-blade design** enhances hydrodynamic efficiency, reducing drag and improving fuel economy without sacrificing power, which is particularly beneficial for boats ranging from mid-sized cruisers to performance-oriented fishing vessels. The **SX series** is renowned for its precision-engineered blades, which feature a **variable pitch and optimized rake angle**, allowing for better cavitation resistance and reduced noise levels at high speeds. This propeller is designed to work seamlessly with Volvo Penta s **IPS (Inboard Performance System)** and other high-output engines, providing a robust yet refined propulsion experience. Whether accelerating quickly off the dock or maintaining steady cruising speeds, this propeller ensures reliable performance while minimizing wear on the engine and drivetrain. Built to last, the **886708 SX** is a versatile choice for boat owners seeking a balance of speed, efficiency, and long-term durability in their marine propulsion system.
### **Volvo Penta 886708 SX 3-Blade Stainless Steel Propeller (14.75" x 19P) Pros and Cons**
#### **Overview**
The **Volvo Penta 886708 SX** is a high-performance, three-blade stainless steel propeller designed for boats requiring strong acceleration, high-speed cruising, and fuel efficiency. This specific model is a **14.75-inch diameter with a 19-pitch**, making it suitable for mid-sized to larger boats (typically 20 35 feet) with inboard engines, particularly those in the **150 300 HP range**.
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### **Pros**
1. **Superior Acceleration and Power Delivery**
- The **SX (Super X) series** is engineered for quick throttle response, making it ideal for boats that need to accelerate quickly (e.g., fishing boats, cruisers, or performance yachts).
- The **three-blade design** provides better lift and reduced cavitation compared to two-blades, improving power transfer at higher RPMs.
2. **Fuel Efficiency**
- The **optimized blade shape and pitch** help reduce drag and improve propeller efficiency, leading to **better fuel economy** at cruising speeds.
- Particularly beneficial for boats that spend significant time at **moderate to high speeds** (e.g., 20 30 knots).
3. **Durability and Corrosion Resistance**
- Made from **stainless steel (316 grade)**, this propeller is highly resistant to **saltwater corrosion**, rust, and wear, ensuring a long lifespan with proper maintenance.
- Less prone to **pitting or blade erosion** compared to aluminum or bronze propellers in harsh marine environments.
4. **Versatility in Boat Applications**
- Works well with **Volvo Penta IPS (Inboard Performance System)** and traditional inboard engines (e.g., D4, D6, D8).
- Suitable for **fishing boats, cruisers, and performance boats** where a balance of speed and efficiency is desired.
5. **Reduced Noise and Vibration**
- The **smooth blade contours** help minimize **cavitation noise and vibration**, contributing to a **quieter ride** compared to older or less optimized propellers.
6. **Compatibility with Trim Systems**
- Performs well with **trim tabs or adjustable trim systems**, allowing the boat to optimize performance based on load and speed.
7. **Aftermarket Availability and Tuning Options**
- Volvo Penta propellers are widely available, and **blade modifications (e.g., pitch changes, cupping adjustments)** can be made to fine-tune performance for specific boats.
- Many marine mechanics and propeller specialists can **balance or repair** these propellers if damaged.
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### **Cons**
1. **Higher Upfront Cost**
- Stainless steel propellers are **more expensive** than aluminum or bronze alternatives. The **886708 SX** will likely cost **$800 $1,500 **, depending on dealer markup and region.
- If budget is a concern, a **used or slightly different model** (e.g., a two-blade or slightly different pitch) may be a cost-effective alternative.
2. **Potential for Cavitation at Low Speeds**
- While the SX series reduces cavitation at high speeds, **very light loads or slow speeds** can still cause **cavitation noise** if the engine is not properly tuned.
- May require **adjustments in gearing or trim settings** to minimize this issue.
3. **Weight Considerations**
- Stainless steel propellers are **heavier** than aluminum or bronze, which can slightly **increase fuel consumption** during acceleration (though this is usually negligible at cruising speeds).
- May require **strengthened propeller shafts or mounts** in older boats.
4. **Limited Customization Without Professional Help**
- Unlike some aftermarket propellers, **modifying the pitch or blade shape** on a Volvo Penta SX propeller typically requires **specialized tools and expertise**.
- DIY adjustments (e.g., sanding or filing) can **void warranties** and may not yield optimal results.
5. **Potential for Damage in Rough Conditions**
- While durable, **striking docks, rocks, or debris** can still cause **bent blades or pitting**, especially if the propeller is not properly protected (e.g., with a **propeller guard**).
- Fishing boats operating in **shallow or rocky areas** may experience more frequent damage.
6. **Not Ideal for Extremely Low-Power Applications**
- If the boat s engine is **significantly underpowered** (e.g.,
- In such cases, a **smaller diameter or lower pitch** propeller would be more appropriate.
7. **Installation and Alignment Requirements**
- For **optimal performance**, the propeller must be **properly aligned** with the shaft and **balanced**. Misalignment can lead to **vibration, reduced efficiency, or premature wear**.
- Some boat owners may need to **hire a professional** for installation, adding to costs.
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### **Conclusion**
The **Volvo Penta 886708 SX 3-blade stainless steel propeller (14.75" x 19P)** is an **excellent choice** for boats requiring **strong acceleration, fuel efficiency, and durability** in moderate to high-speed applications. Its **superior materials, blade design, and compatibility with Volvo Penta engines** make it a **premium option** for performance-oriented boat owners.
However, the **higher cost, potential cavitation issues at low speeds, and weight considerations** may not make it the best fit for **budget-conscious buyers, very low-power boats, or applications where extreme durability is not critical**. Additionally, **proper installation and maintenance** are essential to maximize its performance and lifespan.
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### **Recommendation**
#### **Buy This Propeller If:**You have a **Volvo Penta IPS or inboard engine (150 300 HP)** and need **quick acceleration and fuel efficiency**.
Your boat operates primarily at **moderate to high speeds** (e.g., 20 knots) and spends time in **saltwater**.
You want a **long-lasting, low-maintenance propeller** with **minimal corrosion risk**.
You are willing to **invest in a high-quality, performance-oriented propeller** rather than a budget alternative.
#### **Consider Alternatives If:**Your boat has a **very low-power engine (
You are on a **tight budget** and can find a **used Volvo Penta propeller or a different brand** (e.g., Mercury, Torqeedo) at a lower cost.
Your boat frequently operates in **extremely shallow or rocky waters**, where **propeller guards or more durable designs** (e.g., **Torqeedo or Mercury propellers**) might be better.
You prefer **easier DIY modifications** and are open to **aftermarket propellers** with more customization options.
#### **Final Verdict:**For **most mid-sized to larger Volvo Penta-powered boats** needing **reliability, speed, and efficiency**, the **886708 SX is an outstanding choice**. If you prioritize **performance over cost savings**, this propeller will **deliver excellent results** with proper care. However, if your needs are **more specialized (e.g., extreme low-power, shallow-water fishing, or budget constraints)**, exploring other options may be wise.
**Best for:** **Performance cruisers, fishing boats, and IPS-equipped yachts** where **speed, efficiency, and durability** are top priorities.
Blades: 3-blade design. Please see photos for all details and item condition. Pitch: 19 inches. We part out freshwater used boats and have hundreds of Volvo Penta Mercuries parts.
Material: Stainless steel. Diameter: 14.75 inches. Rotation: Right-hand RH rotation.