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Engineered Marine Products 26-01500 Lower Unit Seal Kit for Tohatsu/Nissan Outboards

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

26-01500
08/23/2036 6:28 PM
Sale Price

$19.18

2 left at this price

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Product Details

The Engineered Marine Products 26-01500 Lower Unit Seal Kit is a precision-engineered aftermarket replacement designed to restore and maintain the watertight integrity of the lower unit gearcase on compatible Tohatsu and Nissan outboard motors. This seal kit provides a cost-effective solution for preventing gear lube leakage and water intrusion into the lower unit — two of the most common causes of gearcase damage.

Key Features:

  • Engineered to match OEM form, fit, and function for reliable performance
  • Includes all necessary seals, O-rings, and gaskets required for a complete lower unit reseal
  • Materials selected for durability and resistance to corrosion, saltwater, and marine-grade gear lubricants
  • Designed for straightforward installation using standard marine service tools
  • Quality aftermarket alternative to OEM components at a competitive price point

Cross-Reference Part Numbers:

  • Sierra: 18-74611
  • Tohatsu/Nissan: 346-87321-6, 346873215, 346873217M

Regular inspection and replacement of lower unit seals is essential preventive maintenance for any outboard motor. Worn or damaged seals can allow water to mix with gear lube, leading to rapid bearing and gear wear. The EMP 26-01500 seal kit makes it straightforward to perform this service and protect your gearcase investment.

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