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Sierra 18-3913 Standard Bore Piston Rings for Johnson/Evinrude Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3913
10 reviews
Sale Price

$34.51

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 18-3913 is a standard bore replacement piston ring set engineered for Johnson and Evinrude two-stroke outboard engines. Designed as a direct replacement for OEM part numbers 391170 and 434107, these rings deliver reliable performance to restore proper compression and engine efficiency.

Key Features:

  • Standard Bore Size: 3.187" standard bore diameter for precise fitment
  • OEM-Quality Construction: Meets or exceeds original equipment specifications
  • Direct Replacement: Drop-in fit for Johnson/Evinrude 2 and 3 cylinder engines rated 35–60 HP
  • Cross-Reference Compatible: Interchangeable with GLM 24310, Mallory 9-54400, and Wiseco 3187KD

OEM & Cross-Reference Part Numbers:

  • Johnson/Evinrude (OMC): 391170, 434107
  • GLM: 24310
  • Mallory: 9-54400
  • Wiseco: 3187KD
  • Sierra: 18-3913

Sierra marine engine parts are manufactured to strict quality standards, making the 18-3913 piston ring set a trusted choice for engine rebuilds and overhauls on Johnson and Evinrude outboard powerheads.

so far this has been an excellent experience... we will see how the shipping, arrival, accuracy and quality when the parts show up.

Wow, Impressive delivery! It got here quicker than expected and Autoplicity actually carried what I was looking for.<br><br>Thank You Autoplicity!

Great price and fast shipping

GREAT SERVICE, FAST SHIPPING, WILL USE AGAIN

I found a item at Autoplicity that I could not locate on other sites. The item was shipped quickly and I was advised of this by an email detailing all of the shipping information. I am well pleased with all aspects of this transaction.

We will see.

found exactly what i needed at the best price around! Thanks!

Crazy fast shipping. By far the best price of anywhere. The thule bike rack we ordered was in stock, lowest price, easy checkout process, and the company really appears to run an organized, professional business. Very happy with the level of service. We will definitely make sure to use autoplicity in the future.

quick and easy

Autoplicity cares about there customers. I ordered a flash programmer and got to the last page and never got a confirmation of the order. I used the website chat and talked to somebody about it right away. So I ordered again and got a conformation. But both went though. Autoplicity called me next day a.m. to see if I made a mistake. Thanks for letting me know and correcting to one order. Saved me from shipping back a product I dind't need.

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