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Engineered Marine Products 26-03809 Upper Unit Seal Kit for MerCruiser R MR Alpha One

Manufacturer

Engineered Marine Products

<h3>Engineered Marine Products: Marine-Grade Reliability for Automotive Systems</h3><p>Engineered Marine Products (EMP) brings precision engineering and marine-grade durability to the automotive aftermarket. With over 1,100 specialized components in their catalog, EMP applies the same rigorous standards required for harsh marine environments to create automotive parts that excel in demanding conditions. This manufacturer has built a reputation for producing components that withstand extreme temperatures, moisture, and vibration—qualities that translate directly to superior performance in automotive applications.</p><h3>Climate Control and Electrical Components</h3><p>One of EMP's core specialties lies in climate control system protection. Their <a href="/13199-engineered-marine-products-hvac-cut-off-switch-4209">HVAC cut-off switches</a> provide critical safety functions for heating and air conditioning systems, automatically interrupting power flow when pressure thresholds are exceeded. These switches serve as essential safeguards against compressor damage and system failures, making them indispensable for maintaining optimal cabin comfort and protecting expensive HVAC components from catastrophic failure.</p><h3>Transmission Control Technology</h3><p>Modern automatic transmissions rely on precise hydraulic control to manage gear changes smoothly and efficiently. EMP's <a href="/13199-engineered-marine-products-automatic-transmission-control-solenoid-7752">automatic transmission control solenoids</a> regulate transmission fluid pressure with exceptional accuracy, ensuring seamless shifts and optimal power delivery. These electro-hydraulic components play a vital role in transmission longevity, as proper solenoid function prevents harsh shifting, slippage, and premature wear of internal clutch packs and bands.</p><h3>Engine Cooling Solutions</h3><p>Maintaining proper engine temperature is fundamental to performance and longevity. EMP manufactures <a href="/13199-engineered-marine-products-engine-water-pump-2208">engine water pumps</a> that circulate coolant throughout the engine block, cylinder heads, and radiator system. Drawing on their marine heritage where cooling system reliability is non-negotiable, these water pumps feature durable construction with corrosion-resistant materials and precision-machined components. A failing water pump can lead to overheating and catastrophic engine damage, making quality replacement parts essential for any cooling system service.</p><h3>Engineering Philosophy</h3><p>What sets Engineered Marine Products apart is their commitment to over-engineering components for extreme conditions. Marine applications demand parts that can handle saltwater corrosion, constant vibration, and temperature fluctuations—challenges that also exist in automotive environments. This design philosophy results in parts with enhanced durability, longer service life, and greater reliability than standard replacement components. Whether you're servicing climate control systems, transmission repairs, or cooling system maintenance, EMP provides components engineered to exceed expectations.</p>

Part Number

26-03809
06/21/2036 9:32 AM
Sale Price

$15.93

1 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 Engineered Marine Products 26-03809 Upper Unit Seal Kit is a comprehensive replacement seal kit designed specifically for MerCruiser R, MR and Alpha One from 1991 and older sterndrive applications. This complete kit provides all the essential gaskets, o-rings, and seals necessary to properly service and reseal the upper gear housing assembly.

Key Features:

  • Complete upper gearcase seal kit with all necessary components
  • Direct replacement for OEM part numbers including MerCruiser 26-32511A1
  • Cross-references with Sierra 18-2648, GLM 87500, and Mallory 9-74303
  • Prevents water intrusion and gear oil leaks
  • Quality aftermarket replacement for professional and DIY sterndrive service

This seal kit is essential for maintaining the integrity of your sterndrive's upper unit, ensuring proper lubrication retention and preventing water contamination that can lead to costly drive damage. Compatible with MerCruiser #1, R, MR, and Alpha One Generation I drives manufactured from 1964 through 1991.

Great place to order

Easy

It was real fast.

Awesome Prices! were over $40.00 cheaper on my part I ordered from them than anyone else online. I will be back for more parts that's for sure!

First time, very positive, good price

Better price and free shipping! UPS dented one of the tubes on the 2 into 1 collector and I was surprised to see the parts in the box without any packing material. The header will require some additional work to be installed, but this purchase was made knowing that some additional work would be required. I am still happy with the purchase/service and after I work with the header a little bit, I'll be happy with the product as well. Thanks.

Good so far

so far so good.. Like the amazon pay.. lets see if the product fits..

Shipment was quicker than I thought and the product was just as described. It was cheaper than else where. Thank you Autoplicity

Chipper

Impressed with selection and price. Saved over traditional e-tailers and they shipped within 24 hours. Excited to recommend AUTOPLICITY.

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