Manufacturer
<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>
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$74.43
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The Sierra 18-2744 Drive Bellows Kit is designed specifically for Volvo Penta sterndrive applications. This essential component creates a watertight seal between the transom assembly and the sterndrive unit, protecting critical internal components from water intrusion and corrosion.
Key Features:
Regular inspection and replacement of drive bellows is critical preventive maintenance for sterndrive-equipped boats. A failed bellows can allow water to enter the boat and cause extensive damage to sterndrive components. Sierra manufactures this kit to meet or exceed OEM specifications, providing reliable protection at a competitive price point.
AQ200, 250, 270, 270T, 275, 280, 280T, PT, 290 DP UNIT: 280, 290
8758260, 8762940<return/>(with ridge)
It seems the brand shown was not as delivered.
Rob M
Very easy selection and online ordering.
Mario C
The experience was great. Came on time. Works like a charm.
John M
Easy to shop and buy, let’s see how fast it gets here now.
Zach D
Excellent Bosch product was delivered as planned.
DrH
Good produced and fast shipping
william d
It was great, you had excellent prices, and the 2nd day shipping was better than most competitors.
Jacob McGinnis
easy to use
steve spears
will know more when the part arrives
doug
They had the pump in stock and for the best price. I checked out securely with paypal and they shipped it crazy fast. It arrived even before they had time to email me it had shipped. Great service and the best price, I strongly recommend autoplicity for all your parts needs.
2006shelby
Well organized and easy to get through each step at checkout.
Wayne Onogi
Great parts selection and customer service. Little slow shipping
gentz002
Easy
Paul
web site is simple to use, great service and customer care
Bret Hatch
Cheapest
Michael
easy buying. great prices
Arnulfo Mata
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