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Sierra 18-79978 Yamaha VST Fuel Filter

Manufacturer

Sierra

<h3>Sierra: Six Decades of Marine Aftermarket Excellence</h3><p><strong>Sierra</strong> has spent nearly 60 years earning its reputation as one of the most trusted names in the marine aftermarket industry. Originally focused on engine and drive components for boats, the brand has grown into a comprehensive source for nearly everything a boater needs to keep their vessel running at its best — from precision instrumentation to complete engine rebuild hardware.</p><p>Now operating as a brand of Dometic, Sierra manages global aftermarket distribution from a 300,000 sq. ft. facility in Litchfield, Illinois. The Sierra brand today encompasses not only its flagship marine parts line but also well-established marine names like Shields and Moeller, offering boaters a broader catalog than ever before. Whether you own an outboard, inboard, or sterndrive, Sierra's engineering team designs products to meet or exceed OEM specifications.</p><h3>Precision Instrumentation You Can Trust on the Water</h3><p>One of Sierra's most recognized product areas is its marine instrumentation lineup. The brand's <a href="/7570-sierra-gauge-set-1480">gauge sets</a> cover everything from classic analog instrument clusters to advanced digital multi-function displays. Sierra offers packages suited to outboards, sterndrives, and gasoline-powered inboards, with options ranging from coordinated analog kits in styles like Arctic, Eclipse, and Amega to modern touchscreen solutions like the R3 multi-function gauge. Features such as scratch-resistant domed glass lenses, silicone-dampened pointers, and perimeter backlighting make these instruments highly readable in all conditions.</p><p>Behind every accurate gauge reading is a properly calibrated sending circuit. Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> are a critical part of that chain, ensuring the signals from sensors and sending units are correctly interpreted by your instruments. These components are built to marine-grade standards to resist moisture, vibration, and corrosion — the realities of life on the water.</p><h3>Engine Internals Built to OEM Standards</h3><p>Sierra's history in marine power is perhaps best demonstrated by its deep catalog of engine components. The brand's <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> cover a wide range of outboard and inboard applications and are engineered to deliver reliable seals in the demanding thermal and chemical environment of a marine engine. For boaters performing seasonal overhauls, top-end rebuilds, or full engine restorations, Sierra gasket kits are a go-to resource trusted by professional marine technicians and DIY boaters alike.</p><h3>A Complete Marine Parts Partner</h3><p>Beyond instrumentation and engine internals, Sierra's catalog spans fuel systems, electrical supplies, steering components, shore power, and more — all covered by what the brand calls an industry-leading warranty. Sierra also maintains a comprehensive parts-finder tool that enables cross-referencing with OEM part numbers from major manufacturers including Mercury, Yamaha, Suzuki, Volvo Penta, and others, making it straightforward to find the right replacement part for virtually any application.</p>

Part Number

18-79978
09/12/2036 7:04 AM
Sale Price

$47.93

In Stock (8)

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Usually delivered within 2 days

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Product Details

The Sierra 18-79978 is a high-quality aftermarket Vapor Separator Tank (VST) fuel filter designed specifically for Yamaha outboard engines. This precision-engineered filter ensures clean fuel delivery to your engine by removing contaminants and debris from the fuel system before they reach critical engine components.

Key Features:

  • Direct replacement for Yamaha OEM part number 6CB-13915-00
  • Designed to meet or exceed OEM specifications for reliable performance
  • Compatible with select Yamaha 4.2L outboard engines including F225, F250, F300, LF225, LF250, LF300, VF200, VF225, and VF250 models (2009-2010)
  • Essential component for maintaining optimal fuel system performance
  • Helps prevent fuel system contamination and engine performance issues

Regular replacement of your VST filter is crucial for maintaining peak engine performance and fuel efficiency. The Sierra 18-79978 provides OEM-quality filtration at an aftermarket value, making it an ideal choice for routine maintenance and service intervals.

Products specifications

Application

F225 4.2L (2010), F250 4.2L (2010), F300 4.2L (2010), LF225 4.2L (2010), LF250 4.2L (2010), LF300 4.2L (2010), VF200 4.2L (2009-10), VF225 4.2L (2009-10), VF250 4.2L (2009-10)

OEM Number

Yamaha 6CB-13915-00

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Good communications and prompt shipping. Price was cheapest I could find.

I hope you're right about compatibility!!!!

Quick

Quick and easy check out. Good prices

Autoplicity has a great selection of parts and wonderful customer service.

easy

Really wish I wouldn't had paid for two day shipping. It was a totally waste of $25.

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