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Sierra 18-6425 Remanufactured Outboard Starter for Yamaha & Mercury Marine

Manufacturer

Sierra

<p>For nearly six decades, Sierra has established itself as one of the marine industry's most trusted names in aftermarket engine and drive parts. Founded as a specialized marine parts manufacturer, Sierra has grown into a comprehensive supplier of replacement components, instrumentation, and accessories for both recreational and commercial boating applications. Operating from their 300,000-square-foot distribution center in Litchfield, Illinois, Sierra serves boat owners and marine technicians worldwide with an extensive catalog of parts engineered specifically for the harsh saltwater environment.</p><h3>Marine Engine Excellence</h3><p>Sierra's reputation was built on delivering precision-engineered internal engine components and drive system parts that meet or exceed OEM specifications. Their <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> provide critical sealing solutions for inboard and outboard motors, while their <a href="/7570-sierra-engine-complete-assembly-15341">engine complete assemblies</a> offer comprehensive replacement options for major overhauls. Each component undergoes rigorous testing to ensure reliability in demanding marine conditions, from corrosion resistance to temperature cycling performance.</p><h3>Instrumentation and Monitoring Systems</h3><p>Accurate instrumentation is essential for boat operators to monitor engine health and prevent costly breakdowns on the water. Sierra's comprehensive line of <a href="/7570-sierra-gauges-200483">gauges</a> includes everything from fuel pressure and temperature indicators to voltmeters and trim gauges, all designed with marine-grade materials that withstand vibration, moisture, and UV exposure. Their <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauges</a> deliver precise RPM readings critical for optimizing engine performance and fuel efficiency. Supporting these instruments, Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> ensure proper signal conditioning and accurate readings across various sensor types and engine configurations.</p><h3>Expanded Product Portfolio</h3><p>In 2022, Sierra significantly broadened its scope beyond traditional marine engine parts to encompass a wider range of boating accessories and even outdoor power equipment components. This strategic expansion brought established marine brands like Shields and Moeller under the Sierra umbrella, creating a one-stop resource for marine maintenance and replacement parts. The company now offers fuel systems, electrical components, battery charging solutions, and NMEA electronics alongside their traditional engine parts lineup.</p><h3>Quality Backed by Industry-Leading Warranties</h3><p>What sets Sierra apart in the crowded aftermarket marine parts market is their commitment to standing behind every component they manufacture. Their warranty coverage extends beyond simple part replacement—it includes shop labor, haul-out fees, towing charges, and related incidental costs should a warrantied part fail. This comprehensive protection reflects the company's confidence in their manufacturing processes and quality control standards. For boat owners facing repairs far from shore or mechanics working on customer vessels, this peace of mind is invaluable. Whether you're maintaining an outboard motor, rebuilding an inboard engine, or upgrading your boat's instrumentation, Sierra's decades of marine industry experience and commitment to quality make them a reliable choice for keeping your vessel running at peak performance.</p>

Part Number

18-6425
07/13/2036 12:26 PM
Sale Price

$444.79

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-6425 is a high-torque remanufactured outboard starter engineered specifically for the marine environment. Designed as a direct replacement for Yamaha and Mercury Marine outboard motors, this starter meets SAE, ISO, UL, and European Community ignition protection standards, ensuring reliable performance and safety across international markets.

Every unit is fully remanufactured with all-new internal components and is 100% load tested before leaving the factory. The housing features a durable powder-coat finish for superior corrosion resistance in harsh saltwater and freshwater conditions.

Key Features:

  • 100% load tested for verified performance before shipment
  • Remanufactured with new solenoid for reliable engagement
  • New drive, bushings, brushes, and springs throughout
  • Powder-coated housing for enhanced corrosion resistance
  • Meets SAE, ISO, UL, and European Community ignition protection standards
  • Covered by Sierra's customer satisfaction warranty

Replaces OEM Part Numbers:

  • Yamaha 67F-81800-02-00
  • Mercury Marine 50-804312T1

Specifications:

  • Weight: 8.2 lbs.
  • Dimensions: 6" x 9-13/16" x 4-13/16"

Sierra's 18-6425 outboard starter delivers dependable, high-torque starting power built to withstand the demands of the marine environment, making it a trusted replacement for OEM starters on compatible Yamaha and Mercury outboard engines.

Products specifications

Compatibility

Fits F75 (2003)F80 (2001-02)F90 (2003)F100 (2001-02)4 Stroke 75 HP90 HP Except Verado. Replaces Mercury 50-804312T1; Yamaha 67F-81800-02-0067F-81800-03-00.

Type

Starters

They had what I wanted at price that I was willing to pay for.

Out standing Guys!!

I searched around and Autoplicity had the best deal by over $40. Was it to good to be true? Definitely not. I just had to verify I had the right part number. Easy to pay with Google checkout, and the order shipped very quickly. Received email updates on order receipt, shipping, and delivery. Shipping was cheap too. I would definitely buy from them again.

Very good

Good Price

So far so good.

goodprice

the price was right..........I hope the product is as well.

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great store

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