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Solas 8513-138-21 Aluminum Rear Propeller 13.75" x 21" 4-Blade for Volvo Penta Duo Prop

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

8513-138-21
06/03/2036 8:26 AM
Sale Price

$203.41

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Solas 8513-138-21 is a high-performance aluminum rear propeller designed specifically for Volvo Penta dual propeller systems. This 4-blade rear propeller features a 13.75-inch diameter with a 21-inch pitch and right-hand rotation, engineered to deliver exceptional acceleration and top-end speed for boats equipped with Volvo Penta A, B, and C series DP280 and DP290 outdrives.

Key Features:

  • Precision-engineered 4-blade design optimized for rear position in dual prop setup
  • 13.75-inch diameter with 21-inch pitch for balanced performance
  • High rake blade design with cupping for superior stern lift and acceleration
  • Manufactured using advanced squeeze cast process for stronger, more durable blades
  • 19-tooth spline hub with through-hub exhaust design
  • Rubber molded octagonal hub to absorb vibration and reduce slipping
  • 4-layer paint system with superior anti-corrosion coating
  • Tested over 500 hours in saltwater spray tank, simulating 6+ months of marine use

Performance Benefits:

  • Outstanding acceleration for watersports, towing skiers and tubers
  • Excellent top-end speed and fuel economy
  • Cost-effective OEM replacement with comparable performance standards
  • Fits with existing hardware from original Volvo Penta propeller

Important Notes:

  • This is the REAR propeller only - sold separately from front propeller
  • Must be paired with a Solas front propeller of the same material (aluminum)
  • Compatible with Volvo Penta DP280 and DP290 A, B, and C series drives
  • Requires OEM hardware and may need special tools for installation
  • Consult OEM manual for proper installation and torque specifications

Solas propellers are manufactured through a state-of-the-art development process including theoretical calculations, geometry design, prototype testing, and extensive field trials. The squeeze cast construction creates an almost non-porous propeller with finer grain size compared to traditional die-cast products, resulting in thinner, smoother, and stronger blades that deliver smooth, durable, and high-precision performance.

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