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Sierra 18-79953 VST Filter Kit for Yamaha Outboard Engines

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

18-79953
07/14/2036 2:06 AM
Sale Price

$71.56

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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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 18-79953 VST Filter Kit is a complete maintenance solution designed for select Yamaha four-stroke outboard engines. This kit provides essential components for servicing the Vapor Separator Tank (VST), a critical part of the fuel delivery system that filters fuel before it enters the high-pressure fuel injection system.

What is a VST Filter?

The VST (Vapor Separator Tank) is attached to the electric fuel pump on Yamaha outboards and filters fuel one final time before it's pressurized into the fuel injection rails. The VST filter prevents debris, water, and deposits from reaching the fuel injectors, protecting your engine from damage and maintaining optimal performance.

Key Features:

  • Direct OEM replacement for Yamaha part numbers 68F-13915-00-00 and 66K-14984-00-00
  • Engineered to meet or exceed OEM specifications for reliable performance
  • Designed for use with ethanol-based fuels (E10 compatible)
  • Essential preventive maintenance component for long-term engine health
  • Sierra quality construction built for harsh marine environments

Compatible Models:

Fits Yamaha LZ150 (2000-2005), LZ200 (2000-2011), LZ250 (2003-2005), LZ300 (2004-2006), VZ150 (2000-2011), VZ175 (2001-2011), VZ200 (2001-2009), VZ225 (2003-2009), VZ250 (2003-2009), VZ300 (2004-2009), Z150 (2000-2005), Z175 (2001-2005), Z200 (2000-2011), Z250 (2003-2005), and Z300 (2004-2006) outboard engines.

Maintenance Recommendation:

Yamaha recommends inspecting and replacing VST filters every 300-500 hours of operation or every 3-5 years as part of routine preventive maintenance. Regular replacement helps prevent fuel system problems, maintains proper fuel pressure, and protects expensive fuel injectors from contamination.

Trust Sierra Marine for premium-quality aftermarket parts that deliver OEM performance and durability. This VST filter kit helps ensure clean fuel delivery and reliable engine operation for years to come.

Products specifications

Application

LZ150(00-05), LZ200(00-11), LZ250(03-05), LZ300(04-06), VZ150(00-11), VZ175(01-11), VZ200(01-09), VZ225(03-09), VZ250(03-09) VZ300(04-09), Z150(00-05), Z175(01-05), Z200(00-11), Z250(03-05), Z300(04-06)

OEM Number

68F-13915-00, 66K-14984-00

This copany shipped my order promptly. I would do business with them again.

5 minute ordering process, faster than going to the auto parts house. Everything went as Autoplicity indicated. I ordered on Saturday, order was processed on Monday, item was shipped on Wednesday(tracking info for UPS was emailed on Wednesday), item was r

best price around! I hope shipping is fast.

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Quick, easy, best deal, customer service friendly and verified item in stock. Hopefully, fast delivery!

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