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Sierra 18-70937 Port Cylinder Head Cooling Hose for Johnson Evinrude Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

118-70937
5 reviews
Sale Price

$15.86

1 left at this price

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Usually delivered within 2 days

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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 18-70937 is a molded cylinder head port cooling hose designed for Johnson and Evinrude V4 crossflow outboard motors. This replacement hose is composed of quality, marine-grade materials for optimal performance and reliability in harsh marine environments.

Key Features:

  • Designed for Johnson/Evinrude 85-140 HP V4 crossflow outboard engines
  • Pre-formed molded design ensures proper fit and routing
  • Marine-grade construction resists saltwater, heat, and engine chemicals
  • Port (left) side cylinder head cooling hose
  • Direct OEM replacement for reliable cooling system operation

Replaces OEM Part Numbers:

  • Johnson/Evinrude: 340976, 321723
  • Mallory: 777-136

This essential cooling system component connects the cylinder head port to maintain proper coolant flow and engine temperature regulation. Sierra Marine replacement parts are engineered to meet or exceed OEM specifications for dependable performance.

It was gr8 and convinced

Ordered a new battery, and got it within 2 days. I was amazed. The battery solved my starting problems and vastly improved my riding experience.

It was fast service

Order received on time as predicted

Cant wait for arrival

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