Reliable Marine Starting Power - OEM-Quality Performance for Johnson/Evinrude Outboards

Restore reliable starting performance to your Johnson/Evinrude outboard with the Sierra 18-5624 premium outboard starter, engineered as a direct replacement for OEM part numbers 583482, 585056, and 586279. This high-quality aftermarket starter delivers dependable starting power for 20-50 HP Johnson/Evinrude outboards from 1989-2005, ensuring your engine fires up consistently when you need it most.

OEM-Quality Engineering

Sierra Marine products are engineered to meet or exceed original equipment manufacturer standards, providing reliable performance that matches or surpasses factory specifications. Each starter undergoes rigorous quality control testing to ensure consistent starting performance and long-term durability in demanding marine environments.

Comprehensive Engine Compatibility

Technical Specifications

• Voltage: 12 Volts DC operation
• Rotation: Counter-clockwise (CCW) rotation
• Tooth Count: 9-tooth pinion gear
• Pinion Diameter: 35.8mm / 1.409" OD
• Field Case Length: 4" / 101.6mm
• Weight: 5.91 lbs / 2.69 kg
• Starter Type: PMDD (Permanent Magnet Direct Drive)
• Drive System: 2-piece rubber starter drive

Professional-Grade Features

• PMDD Technology: Permanent magnet design for reliable, consistent starting power
• 9-Tooth Configuration: Optimal gear engagement for smooth engine cranking
• Counter-Clockwise Rotation: Proper rotation direction for Johnson/Evinrude applications
• 2-Piece Drive System: Durable rubber starter drive for extended service life
• Marine-Grade Construction: Corrosion-resistant materials withstand saltwater environments
• Direct Bolt-On: No modifications required for installation

Quality Assurance

Sierra maintains strict quality control standards throughout manufacturing, ensuring each starter meets the demanding requirements of marine applications. The permanent magnet direct drive design provides consistent starting torque while the marine-grade construction resists corrosion and environmental damage common in boating applications.

Professional Installation

This starter is designed as a direct replacement for original equipment, requiring no modifications for proper installation. Professional installation is recommended to ensure proper electrical connections, mounting torque specifications, and optimal performance. Proper installation includes battery cable inspection and starter solenoid functionality verification.

Marine Environment Durability

Engineered specifically for marine applications, this starter withstands the harsh conditions of marine environments including saltwater spray, temperature fluctuations, and high humidity. The corrosion-resistant construction and sealed electrical components ensure reliable operation season after season.

Cross-Reference Compatibility

The Sierra 18-5624 cross-references with multiple aftermarket part numbers including United Technologies 5059240-M030SM, 5704640-M030SM, SM57046, and Lester NOS 5713N, ensuring compatibility with various supplier systems and parts catalogs.

Restore reliable starting power to your Johnson/Evinrude outboard with Sierra's proven quality and performance. The Sierra 18-5624 Premium Outboard Starter - dependable marine starting when you need it most.