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Sierra 18-2958 Cylinder Head Gasket for Johnson Evinrude OMC Outboards - 2 Pack

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2958
12 reviews
Sale Price

$31.87

3 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-2958 Cylinder Head Gasket is a premium marine replacement gasket engineered to deliver a reliable, leak-free seal for Johnson and Evinrude 50 HP two-stroke outboard engines. Sold as a convenient two-pack, this gasket is a direct drop-in replacement for OMC OEM part numbers 315539 and 777461, ensuring a precise fit without modification.

Sierra is a trusted name in the marine aftermarket industry, offering premium-quality replacements engineered to meet or exceed original equipment manufacturer (OEM) standards. Each Sierra gasket is built to withstand the demanding conditions of the marine environment, providing long-lasting performance and dependable sealing.

Key Features:

  • Direct replacement for OMC cylinder head gasket — no modifications needed
  • Sold as a 2-pack for complete head gasket replacement on 2-cylinder engines
  • Meets or exceeds OEM specifications for fit, form, and function
  • Engineered for durability in harsh marine environments
  • Easy installation for both professional technicians and experienced DIY boaters

OEM Cross References:

  • Replaces OMC: 315539, 0315539, 777461
  • Sierra Part Number: 18-2958
  • Also known as: SIE 2958, SIE18-2958, 0418-2958, 04182958

so far so good

I've only just placed my order but the item cost less with you than anywhere else and the ordering process couldn't have been easier. Thanks!

Ordered some floor mats late in the day Tues and I got a tracking # showing as shipped the very next day. Great communication.

great

Paypal made it quick & easy to order!

Easy to use and find.

Lowest price for the racks I bought, low shipping cost, and easy checkout. Great site... what more could you want?

Item as described, QUICK SHIPPING, best price I could find on the Internet!!! Will do business again!!!

easy and quick

Super group to deal with! Great prices, fast shipping and excellent communication! Who could ask for more! <br><br>Thank you,<br>Jody C.

Good picture and description!

Prompt order processing and shipping, the item I received came in good condition and I am eager to get it installed on my car. Over the phone customer support was prompt and polite, I would order from them again.

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