SOLAS 51-4-X17LT Prop Propeller Lh Spline Prop/propeller 1/4

( Brand: Solas ), ( Manufacturer Part Number: 51-4-X17LT ), ( Part Type: Prop Propeller ), ( Warranty: 30 Day )

Review SOLAS 51 Prop/propeller 1/4 Lh Spline fits SS 2015–2017

The **Solas 51" x 17" 15 " 17-LH Spline Propeller** is a high-performance, precision-engineered marine propeller designed for demanding applications in both recreational and professional boating scenarios. Crafted from a proprietary **7075-T6 aluminum alloy**, this propeller combines exceptional strength with corrosion resistance, ensuring durability even in the most challenging saltwater environments. The **51-inch diameter** provides substantial thrust, making it ideal for larger displacement hulls, speedboats, or performance cruisers where power and efficiency are critical. With a **17-inch pitch**, this propeller is optimized for balanced acceleration and top-end speed, allowing for smooth power delivery across a wide RPM range while minimizing cavitation and vibration.

The **15 -inch blade diameter** strikes a perfect balance between thrust and efficiency, making it versatile for engines ranging from high-horsepower inboards to powerful outboards, depending on the application. The **17-lobe spline shaft** ensures a secure and precise connection to the engine s output shaft, reducing the risk of slippage or misalignment while supporting high torque loads. This propeller features a **left-hand rotation (LH) design**, which is essential for boats with a right-hand drive engine configuration, ensuring optimal propeller-to-engine compatibility and maximizing efficiency.

Engineered with **hydrodynamic precision**, the Solas propeller s blade contours are meticulously shaped to minimize drag and maximize thrust efficiency, resulting in improved fuel economy and reduced wear on the engine. The **smooth, polished finish** not only enhances aerodynamics but also makes maintenance easier, as debris is less likely to accumulate in the blade grooves. Whether used in a **speedboat, fishing vessel, or performance cruiser**, this propeller delivers consistent performance, reliability, and longevity, making it a standout choice for boaters who demand both power and precision. Built to withstand the rigors of daily use, the Solas 51" x 17" propeller is a testament to modern marine engineering where innovation meets performance.

### **Pros and Cons of buying a Solas 51x17LT Propeller (15.25" x 17" LH, 17 Spline)**

1. **High Performance for Speed and Efficiency** The 51x17LT is designed for high-speed applications, offering strong thrust and efficiency at cruising speeds. It is well-suited for boats that prioritize speed and acceleration, such as speedboats, fishing boats, or performance cruisers.

2. **Durable Construction** Solas propellers are known for their high-quality materials, including stainless steel blades, which resist corrosion and wear better than aluminum or plastic alternatives. This extends the propeller s lifespan, especially in saltwater environments.

3. **Optimized for Powerful Engines** The 17-spline shaft connection ensures a secure fit for high-horsepower engines (typically 200 HP), reducing the risk of slippage or damage under heavy loads. This makes it ideal for boats with turbocharged or high-performance outboards.

4. **Reduced Cavitation and Vibration** The aerodynamic blade design minimizes cavitation (bubble formation that can erode the propeller) and vibration, leading to smoother operation and less engine strain over time.

5. **Compatibility with High-Speed Applications** The 15.25" pitch is well-suited for boats that operate at higher speeds, making it a good choice for those who prioritize speed over fuel efficiency at lower speeds.

6. **Good for Fishing and Towing** The aggressive blade design can provide strong pull for fishing, towing, or planing, making it versatile for active boating.

7. **Warranty and Support** Solas offers warranties and customer support, which can be reassuring for those investing in a premium propeller.

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1. **Higher Initial Cost** Solas propellers are more expensive than basic aluminum or plastic props. The premium price may not be justified for low-horsepower or fuel-efficient applications where a cheaper option would suffice.

2. **Not Ideal for Fuel Efficiency at Low Speeds** The high-speed, high-thrust design means it may struggle with fuel efficiency at slower speeds or when planing is not achieved. Boaters who frequently cruise at low speeds may see reduced range.

3. **Potential for Blade Damage** The aggressive design can be more susceptible to damage from debris (e.g., fishing line, shells, or dock strikes) compared to smoother, more forgiving propellers. This could lead to more frequent repairs or replacements.

4. **Limited Use for Deep-V or Planing Boats Without Tuning** While it works well for many planing boats, some deep-V or displacement hulls may require a different pitch or diameter for optimal performance. A mismatch could lead to poor efficiency or excessive noise.

5. **Weight Consideration** Stainless steel propellers are heavier than aluminum or plastic ones. This can affect handling, especially on smaller boats where weight distribution matters.

6. **Requires Proper Installation and Tuning** To achieve the best performance, the propeller must be correctly installed and tuned to the boat s engine and load. Improper setup can negate its advantages or even cause damage.

7. **Not Suitable for All Engines** Very high-horsepower engines (e.g., 400 HP) may require a different propeller to avoid excessive stress or cavitation. Conversely, underpowered engines may not benefit from its high-thrust design.

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The **Solas 51x17LT propeller** is an excellent choice for **high-performance, speed-oriented boats** with powerful engines (typically 200 350 HP). Its strengths lie in **thrust, durability, and reduced vibration**, making it ideal for speedboats, fishing boats, and performance cruisers. However, it is **not the best option for fuel efficiency at low speeds, deep-V hulls without tuning, or boats where durability and cost are more critical than speed**.

If your primary goal is **speed, towing, or aggressive boating**, this propeller is a strong investment. If you prioritize **fuel efficiency, low-speed cruising, or a more forgiving design**, you may want to consider alternatives like a **lower-pitch propeller, a different brand (e.g., Mercury, Volvo Penta), or a more cost-effective material**.

- **Buy it if:** You have a **high-horsepower engine (200 HP)**, prioritize **speed and thrust**, and operate in **conditions where durability is important** (e.g., saltwater, frequent use).

- **Avoid it if:** You need **better fuel efficiency at low speeds**, have a **lower-horsepower engine**, or operate a **deep-V hull without proper tuning**.

- **Consider alternatives:** If budget is a concern, look at **high-quality aluminum props** (e.g., Mercury or Volvo Penta). If you need a more versatile option, a **slightly lower pitch (e.g., 48x17 or 50x17)** might balance speed and efficiency better.

Ultimately, the best choice depends on your **boat type, engine power, and primary use**. Consulting a marine mechanic or propeller specialist for a **custom tuning recommendation** can help maximize performance.

Details:

Solas preowned prop/propeller left hand 15 1/4 X 17 stainless steel spline A little wear on the edge of blades see photos for more detail details P0107.

part #: 514x17lt prices

• $110.50-$452.00

specifications propboapar:

• for models: Ss
• for years: 2015-2017
• brand: Solas
• mpn: 51-4-x17lt
• part type: Prop Propeller
• warranty: 30 Day

returns propboapar:

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

shipping propboapar:

• cost: $24.18
• transit: 4-11 Days
• type: Calculated
• class: Economy
• service: UPS Ground Saver
• carrier: UPS

seller propboapar:

• # reviews: 96
• city: Spanish Fort, Alabama
• rating: 100.0%

offer propboapar:

• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: April 13, 2026

payments propboapar:

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

general propboapar:

• Parts Accessories > Boat Parts > Propellers
• condition: Used

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