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Sierra 18-2598 Gear Housing Seal Kit for Volvo Penta SX

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

118-2598
06/02/2036 7:22 PM
Sale Price

$33.47

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-2598 Gear Housing Seal Kit is a comprehensive lower unit seal kit designed specifically for Volvo Penta SX sterndrive systems manufactured through 2006. This complete seal kit provides all the essential seals needed to properly service and maintain the gear housing on your Volvo Penta outdrive, ensuring reliable performance and preventing water intrusion.

Key Features:

  • Complete seal kit for lower unit gear housing maintenance
  • Designed to meet OEM specifications for reliable performance
  • Direct replacement for Volvo Penta OEM part number 3855275
  • Engineered specifically for Volvo Penta SX sterndrives through 2006 model year
  • Quality construction ensures proper sealing and long service life

Sierra Marine is a trusted name in aftermarket marine parts, manufacturing components that meet or exceed original equipment standards. This gear housing seal kit is essential for routine lower unit maintenance, gear oil changes, or anytime the lower unit is disassembled for service. Proper sealing is critical to prevent water contamination of gear oil and ensure the longevity of your sterndrive system.

Seems to have worked so far

Thank you. The a/c unit arrived a lot quicker to IN than we expected. We were able to install it on the boat the night before we left on a family vacation trip with the boat.

My tires arrived ahead of schedule the whole process was super simple and no one online could touch the price very happy with purchase

It was quick and easy

1st time buyer, hope its a full set of springs and fast shipping

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