My Account
Shopping Cart

Solas 9581-138-21 Rubex Stainless Steel Propeller 13.75 x 21 RH 4-Blade

Manufacturer

Solas

<h3>Precision Marine Engineering Since 1985</h3> <p>Founded in 1985 by Dr. Solas Y.J. Lin, Solas has built a global reputation for excellence in marine propulsion technology and related components. The company has elevated itself to become the world's largest manufacturer of propellers and impellers, with operations based in Taiwan's Taichung Industrial Park. What began as a specialized propulsion company has evolved into a comprehensive supplier of marine and automotive components, all unified by a commitment to precision engineering and rigorous quality control.</p> <p>The foundation of Solas's success lies in advanced manufacturing capabilities. With CAD, CAM, and CAE capabilities, the company continues to develop high-performance products that meet the demanding requirements of marine and automotive applications. Each component undergoes strict quality testing to ensure reliability in harsh operating environments, from saltwater exposure to extreme temperatures and continuous mechanical stress.</p> <h3>Engine Cooling Systems and Critical Components</h3> <p>Among the most critical systems in any marine or automotive application is proper engine cooling. Solas's expertise extends to comprehensive <a href="/5584-solas-engine-cooling-pumps-accessories-200368">engine cooling pumps and accessories</a> that maintain optimal operating temperatures under demanding conditions. These components are engineered with corrosion-resistant materials and precision tolerances to deliver consistent coolant flow, preventing overheating and extending engine life. Whether for high-performance marine engines or automotive applications, proper cooling system maintenance begins with reliable pump assemblies and supporting hardware.</p> <p>Beyond cooling systems, Solas offers specialized components including <a href="/5584-solas-hvac-cut-off-switch-4209">HVAC cut-off switches</a> that provide critical safety and control functions in climate management systems, and precision-engineered <a href="/5584-solas-wheel-7644">wheels</a> designed for durability and proper fitment. The company's attention to material selection ensures that components like <a href="/5584-solas-engine-piston-ring-5640">engine piston rings</a> maintain proper compression and oil control throughout their service life.</p> <h3>Professional-Grade Tools and Accessories</h3> <p>Maintaining complex marine and automotive systems requires quality tools. Solas's <a href="/5584-solas-socket-set-17116">socket sets</a> are designed for professional technicians and serious DIY enthusiasts who demand precision and durability. These tool systems reflect the same engineering philosophy that guides the company's propulsion products: build it right, build it to last, and ensure it performs when it matters most.</p> <h3>Manufacturing Excellence and Global Trust</h3> <p>Located in Taiwan, Solas combines world-class research and design, highly skilled workers, cost-effective material sourcing, and a technologically advanced manufacturing facility to deliver components that meet or exceed original equipment specifications. Solas has become the most well-known and trusted name in outboard and stern drive propellers, a reputation earned through decades of consistent quality and innovation. This same dedication to excellence extends across the company's entire product portfolio, from high-performance marine components to automotive replacement parts.</p> <p>For professionals and enthusiasts seeking reliable replacement parts and performance upgrades, Solas represents a brand that understands the engineering challenges of demanding applications. Each component is designed not just to fit, but to perform reliably over extended service intervals, making Solas a trusted choice for critical repairs and system upgrades.</p>

Part Number

9581-138-21
06/21/2036 9:30 AM
Sale Price

$355.93

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Solas Rubex 9581-138-21 is a high-performance stainless steel propeller designed for outboard engines rated 115-250 HP. This right-hand rotation propeller features a 13-3/4 inch diameter with 21-inch pitch and a 4-blade design that delivers exceptional efficiency and acceleration.

Key Features:

  • Premium stainless steel construction for durability and corrosion resistance
  • Interchangeable hub system allows easy installation and prop changes
  • 4-blade configuration provides improved bite and reduced slippage
  • Designed for 4-3/4 inch gearcase applications
  • Right-hand rotation for standard engine mounting
  • High-performance design optimizes fuel efficiency and top-end speed

This propeller requires a separate RBX Hub Kit for installation (sold separately). The Rubex line offers an excellent OEM alternative with precision engineering and quality materials. Ideal for boaters seeking improved performance without the premium OEM price tag.

Specifications: 13-3/4" diameter x 21" pitch, 4-blade, right-hand rotation, fits 4-3/4" gearcases, compatible with 115-250 HP outboard engines.

Products specifications

Application

115 HP & Up (Thru Hub Exhaust) 4-3/4" Gearcase

Diameter

13-3/4"

Hub

RBX E-Series

Manufacturer Part Number

9581-138-21

Model

HYDRO

Easy and quick. A+++

Very easy to shop. Great price!!!!

VERY QUICK AND EASY! BEST PRICE ONLINE, PERIOD!

Very quick search and ordering.

Great prices and love the Amazon tie-in.

Shopped around for a VDO gauge all over the internet incluing ebay, amazon and at least a dozen online retailers. Autoplicity was at least 10% cheaper than anybody else and a good 30% cheaper than most. The outstanding reviews made me more confident in ordering fom them for the first time.

Best price on FX400, smooth easy website.

The prices and selection are best. The cutomer service rep. did a good job in handling all my questions, and placed my order. I will be using Autoplicity for all my auto parts.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy