Pro L4 (15 x 22″) Solas RH Propeller, 9577-150-22
Introduction
The Pro L4 (15 x 22″) Solas RH Propeller, 9577-150-22 is a high-performance stainless steel propeller designed specifically for outboard propulsion systems. Precision-engineered by Solas, this four-blade, right-hand rotation propeller delivers superior thrust, fuel efficiency, and durability, making it ideal for marine professionals, recreational boaters, and performance enthusiasts alike. Whether you need maximum grip in rough waters or smooth acceleration during offshore cruising, the Pro L4 is trusted to handle it all.
As part of the elite DM|Propulsion > Propellers > Outboard > Pro L4 and Propulsion > Propeller stainless Steel Propellers category, this model has become a favorite among marine engine users who seek both performance and reliability. With corrosion-resistant stainless steel, carefully calibrated blade geometry, and a large diameter of 15 inches, this propeller is more than just a component—it’s a critical upgrade for those who take their boating seriously.
Overview / What Is Pro L4 (15 x 22″) Solas RH Propeller, 9577-150-22
The Pro L4 (15 x 22″) Solas RH Propeller is part of Solas’ premium stainless steel lineup designed for high-performance outboard engines. Built with four aggressive blades and a 22” pitch, this right-hand rotating propeller is optimized for superior acceleration, tighter grip, and reliable top-end speed. The 15-inch diameter provides a wide surface area for water engagement, allowing for stable maneuverability and reduced cavitation in various marine conditions.
This propeller is commonly paired with high-horsepower engines and used in sport fishing, commercial boating, and recreational watercraft where load-carrying, efficiency, and smooth handling are priorities. The precision-balanced design ensures minimal vibration, making every ride smoother and more enjoyable.
Top 4 Features of the Pro L4 (15 x 22″) Solas RH Propeller
- Four-Blade Design: Enhanced grip and thrust for better control at high speeds.
- 22” Pitch: Ideal for performance boats seeking improved fuel economy and speed.
- Stainless Steel Build: Maximum durability against corrosion and impact.
- RH Rotation: Compatible with most standard outboard engines with right-hand rotation.
Compatible Engine Types
The Pro L4 Solas propeller fits various marine engines ranging from 150 HP to 300 HP. It works particularly well with Yamaha, Mercury, Suzuki, and Honda outboards that match the 15-spline hub design. The RH (right-hand) rotation is standard for single-outboard setups.
Why Choose Stainless Steel Propellers Over Aluminum
Stainless steel propellers like the Pro L4 are known for their unmatched strength, longer service life, and superior performance under heavy loads. Unlike aluminum props that can flex under pressure, stainless steel maintains blade integrity, delivering consistent performance even at high RPMs. This translates to more efficient fuel usage and better responsiveness on the water.
In addition, stainless steel resists damage from underwater debris, making it the propeller of choice for users navigating rocky, sandy, or unpredictable marine environments. The Pro L4’s stainless steel finish not only protects the blades but also adds a premium aesthetic to your boat’s propulsion system.
Maintenance Tips
To ensure optimal performance and longevity of the Pro L4 (15 x 22″) Solas RH Propeller, routine maintenance is essential. Here are best practices:
- Inspect Regularly: Check for dings, cracks, or bends before and after each trip.
- Clean After Use: Rinse with freshwater to remove salt, algae, and debris.
- Grease the Hub: Apply marine grease to the spline hub area to prevent corrosion and ease installation.
- Tighten the Nut: Use a torque wrench to secure the propeller to the manufacturer’s specifications.
With proper care, your Pro L4 propeller can deliver exceptional performance for years.
How to Install the Pro L4 Solas Propeller
Installing the Pro L4 (15 x 22″) Solas RH Propeller is a straightforward process, even for DIY boaters. Here’s a step-by-step breakdown:
- Ensure the engine is off and out of the water.
- Remove the cotter pin, nut cap, and prop nut from the existing propeller.
- Slide off the old prop and inspect the shaft for damage or corrosion.
- Apply marine grease to the shaft and install the new Pro L4 propeller.
- Replace the washer and secure with the nut. Tighten to the recommended torque.
- Install the nut cap and a new cotter pin.
This process can be done in less than 30 minutes and significantly enhances your boat’s performance instantly.
Expert Advice and Pro Recommendations
If you’re upgrading from a standard aluminum propeller or looking for better hole shot, speed, and reliability, the Pro L4 (15 x 22″) Solas RH Propeller, 9577-150-22 is one of the best stainless steel options available in 2025. Expert marine technicians often recommend it for boats frequently loaded with gear or passengers and used in coastal environments.
Use code WELCOME5 for 5% off your purchase and upgrade your marine experience today.
Detailed FAQ Section
What boats are compatible with the Pro L4 (15 x 22″) Solas RH Propeller?
The Pro L4 (15 x 22″) Solas RH Propeller is compatible with a wide range of outboard-powered boats that require a 15-inch diameter and 22-inch pitch, with a right-hand rotation. This includes bass boats, bay boats, center consoles, and sport fishers equipped with engines from major brands such as Yamaha, Mercury, Honda, and Suzuki. Before purchase, always check the hub compatibility and engine spline count to ensure proper fit.
How does a 4-blade propeller improve performance?
Compared to 3-blade models, a 4-blade propeller like the Pro L4 offers enhanced grip in the water, quicker planing, and improved handling during tight turns or heavy loads. The extra blade creates more surface area, which distributes thrust more evenly and delivers better low-speed control and fuel efficiency. For marine engines operating in demanding environments or with higher torque requirements, 4-blade props are often the best choice.
Is stainless steel worth the investment over aluminum propellers?
Yes, stainless steel propellers offer significant advantages in durability, performance, and lifespan. While they come at a higher upfront cost, their resistance to corrosion and deformation in rough waters means fewer replacements and repairs. The Pro L4’s stainless construction ensures precise hydrodynamic performance, which ultimately enhances speed, fuel economy, and maneuverability—making it a long-term investment that pays off.
How can I tell if my current propeller needs replacement?
Look for signs such as decreased top-end speed, increased fuel consumption, propeller noise, excessive vibration, or difficulty accelerating. Inspect your existing prop for physical damage like chipped blades or warping. If your boat struggles to get on plane or feels sluggish, it’s likely time for a performance upgrade like the Solas Pro L4.
How often should I service or replace my marine propeller?
Routine inspection should be done after every 10–15 hours of use, especially in saltwater conditions. Depending on your usage, a high-quality stainless steel propeller like the Pro L4 may last several seasons. Regular maintenance, such as cleaning and greasing the hub, will extend its life. If your boat’s performance drops or the prop gets visibly damaged, consider replacing it immediately to avoid engine strain.
Conclusion
The Pro L4 (15 x 22″) Solas RH Propeller, 9577-150-22 stands out as a premium choice for boaters seeking high performance, reliability, and long-term value. Its precision-engineered stainless steel construction and 4-blade configuration deliver unmatched control, speed, and efficiency on the water. Whether you’re upgrading from aluminum or replacing a worn-out prop, the Pro L4 is an investment in smoother sailing and dependable performance.
With easy installation, expert support, and 5% off with code WELCOME5, there’s never been a better time to equip your vessel with the Pro L4 propeller.
Special Offer
WELCOME5 – Get 5% off storewide at allboatsupplies.com
🚀 Instant Assistance: Need help selecting the right product? Drop your contact in the chatbox at the bottom right corner, and our expert team will reply within 30 minutes with the best product suggestion for your boat — including a ready-to-use checkout link. We’re fast, knowledgeable, and always here for your boating needs!
No more guesswork — just message us and get a personalized checkout link for your antifouling system, fast!
Explore Our Best-Selling Ultrasonic Antifouling Products:
Buy now
Pro L4 (15 x 22″) Solas RH Propeller, 9577-150-22
Let us handle the hassle — expert support, quick replies, and smooth checkout. Your boat deserves the best.
Read More
For more helpful marine maintenance guides, check out our article on Pro L4 (15 x 20″) Solas RH Propeller, 9577-150-20.