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Sierra 18-7983-1 Fuel Water Separator Kit 10 Micron 90 GPH

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

18-7983-1
06/01/2036 3:50 AM
Sale Price

$40.47

In Stock (10+)

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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 18-7983-1 Fuel Water Separator Kit provides essential fuel filtration and water removal for Mercury and Mercruiser marine engines. This complete kit protects fuel-injected engines from contamination that can cause performance issues and component damage.

Key Features:

  • 10 micron filtration element removes fine particles and debris
  • 90 GPH (gallons per hour) flow capacity for fuel-injected applications
  • Durable aluminum housing with corrosion-resistant construction
  • Short filter design for compact installation
  • 1/4 inch NPT inlet and outlet ports
  • Includes mounting bracket for secure installation
  • Two 1/4 inch pipe plugs included for port configuration

Application:

Designed specifically for Mercruiser stern drive and Mercury marine fuel-injected engines. This complete separator kit includes everything needed for installation: the fuel/water separator unit, mounting bracket, and pipe plugs. The 10 micron element efficiently traps water and contaminants before they reach the engine, helping prevent fuel system corrosion and ensuring reliable performance.

Regular fuel filtration maintenance is critical for modern fuel-injected marine engines. This Sierra replacement kit meets OEM specifications and provides the protection your engine needs for long-term reliability.

Products specifications

Contains

(1) 7944 & (1) 7853-1

Filter Size

Short

Microns

10

Replaces

Mercury - 35-802893A4, Q4, 35-60494A4

Type

1/4" Aluminum

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