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Engineered Marine Products 28-40970 Marine Engine Cut-Off Kill Switch with Lanyard

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

28-40970
06/01/2036 3:37 AM
Sale Price

$18.79

In Stock (8)

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Product Details

The Engineered Marine Products 28-40970 is a marine emergency cut-off switch and lanyard assembly designed as a universal safety kill switch for outboard engines. Compatible with Mercury outboards equipped with conventional or magneto ignitions, this switch immediately cuts engine power when the lanyard is disconnected — a critical safety feature for boaters.

Key Features:

  • Includes both the ignition kill switch and lanyard in one complete kit
  • Compatible with conventional and magneto ignition systems
  • Designed for Mercury outboard engines; universal fitment
  • Kills engine ignition instantly upon lanyard removal for quick emergency stops
  • Replaces OEM UPC: 840080488066

Cross-Reference Part Numbers:

  • Sierra: MP40970-1
  • Mallory: 9-15400

Manufactured in Taiwan, this EMP cut-off switch meets the demands of the marine environment and serves as a reliable replacement for worn or damaged factory kill switch assemblies. It is an essential safety component for any outboard-powered vessel.

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