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Sierra 162504000S 4 Inch Shieldsflex II Marine Water Exhaust Hose 50 Foot

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

162504000S
06/04/2036 10:05 AM
Sale Price

$987.58

In Stock (10+)

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Usually delivered within 2 days

free shipping

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 162504000S Shieldsflex II is a heavy-duty 4-inch marine-grade flexible hose designed for demanding wet applications aboard boats and marine vessels. This 50-foot length hose provides versatile connectivity for critical onboard systems.

Key Specifications:

  • Inside Diameter: 4 inches
  • Outside Diameter: 4-5/8 inches
  • Length: 50 feet
  • Material: Synthetic rubber construction
  • Temperature Range: -20°F to 200°F continuous operation
  • Color: Black

Applications:

  • Engine intake and wet exhaust connections
  • Bilge pump intake and discharge
  • Scupper lines and drainage systems
  • Marine toilet intake and discharge
  • Holding tank ventilation
  • Pump-out systems

Built specifically for marine environments, this Shieldsflex II hose resists saltwater, heat, and the harsh conditions found in engine rooms and bilge areas. The synthetic rubber construction ensures durability and flexibility for easy routing through tight spaces while maintaining resistance to kinking and collapse.

Website easy to use and very fast shipping

Process was easy.

called everywhere out of stock and this price for 4 tires is less then two tires i was quoted .. will do business again

Thanks

Fast and easy

have alot of parts will definitely look here if need any more parts

great site, has the parts i needed for the best price

Great assortment of high performance and stock parts with quick delivery..

Great.

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