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Sierra 18-7115 Marine Front Cover Seal O-Ring 1.735" I.D.

Manufacturer

Picture for manufacturer Sierra

Part Number

18-7115
11 reviews
Sale Price

$3.39

2 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 18-7115 is a marine-grade front cover seal O-ring engineered as a premium aftermarket replacement for select Johnson/Evinrude, MerCruiser, Mercury, and OMC outboard and stern drive engines. This O-ring provides a reliable, leak-free seal at the front cover and lower unit, helping maintain proper fluid containment and engine performance.

Specifications:

  • Inner Diameter (I.D.): 1.735 in. (44.1 mm)
  • Width: 0.135 in. (3.4 mm)
  • Quantity: 1 O-ring per package

Replaces These OEM Part Numbers:

  • Johnson/Evinrude Outboard: 302588
  • OMC Stern Drive: 302588
  • MerCruiser Stern Drive: 25-26722, 25-20266
  • Mercury Marine: 25-26722, 25-20266
  • GLM: 82240

Key Features:

  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Direct drop-in replacement — no modification required
  • Compatible with Johnson/Evinrude, MerCruiser, Mercury, and OMC applications
  • Precision-sized for a secure, leak-resistant fit

Sierra International is a leading supplier of aftermarket marine engine components, and the 18-7115 O-ring reflects their commitment to quality and OEM-level performance. This seal is also used as a component within Sierra's gearcase and lower unit seal kits.

Overall great experience

Good

so far so good

Excellent prices and quick shipping. Will definitely use again.

Awesome Products!

very easy to make order

Great site to order parts. Very fast shipping and most importantly, they have the best prices on the web. Thanks Autoplicity!

THANKS

Easy and fast.

Great price and great service highly recommended. Will purchase again

I had never heard of Autoplicity prior to this purchase, so I was a little hesitant to order from them. Man I am glad that I did!! Not only did they have the lowest price (by FAR) on the product I was looking for, but it showed up to my doorstep just TWO days after placing my order!! Autoplicity is awesome and will definitely be getting future business from me!!

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