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Sierra 18-70940 MerCruiser Molded Hose Thermostat Housing to Port Exhaust Manifold

Manufacturer

Picture for manufacturer Sierra

Part Number

18-70940
11 reviews
Sale Price

$43.81

2 left at this price

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Usually delivered within 2 days

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-70940 is a precision-molded replacement cooling hose designed to connect the thermostat housing to the port exhaust manifold on MerCruiser stern drive engines. Engineered to meet OEM specifications, this hose delivers a direct-fit replacement that restores proper coolant flow and sealing in the marine cooling circuit.

Sierra International parts are built to withstand the demanding conditions of the marine environment, meeting or exceeding the quality of the original equipment parts they replace. The pre-formed design ensures correct routing and a leak-free fit without cutting or fabrication.

Key Features:

  • Pre-molded design for precise, direct-fit installation
  • Marine-grade construction engineered to handle high-horsepower engine demands
  • Meets or exceeds OEM specifications
  • Designed for MerCruiser MCM V-6 and V-8 engines (305, 350 CID)

OEM Cross-Reference:

  • Replaces MerCruiser: 32-860144
  • Replaces Mallory: 9-44058

I've ordered many products for our Formula Drift Pro1 race car from you and it has always arrived quickly. Thank you. www.brodygoble.com

it been great..............

first time on site .was easy to figure out

Great service !! Great prices !!! And fast shipping

Best prices on the net. Great selection.

Fast Shipping, Great price, Parts were well packed

Great service. Item arrived very quickly and in perfect condition. Cheapest place on the net too.

Shipping was expensive for such a small part

Your website is good but I wish the pictures you show for the items was correct so your customer can feel sure about their purchase so I hope what I just bought is what I think it is.

Cheapest price I could find anywhere by a lot ...

I ordered the palm tree license plate frame. I love it! I will definitely shop again for other car accessories!<br><br>

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