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Sierra 18-3915 Piston Ring Set .030 Oversize 3.217" Bore for Johnson/Evinrude Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3915
11 reviews
Sale Price

$31.23

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-3915 is a .030 oversize piston ring set designed for Johnson and Evinrude outboard engines with a 3.217-inch bore size. This aftermarket replacement ring set is engineered to meet or exceed the performance of the original equipment parts it replaces, making it a reliable choice for engine rebuilds and overhauls.

Key Features:

  • Bore Size: 3.217 inches (.030 oversize)
  • Quantity: Includes 2 piston rings per set
  • Meets or exceeds OEM specifications for fit, form, and function
  • Engineered to withstand the high-horsepower demands of marine environments
  • Replaces OEM Part Numbers: 391416, 434109
  • Cross-References: GLM 24330, Mallory 9-54402, Wiseco 3217KD

OEM & Cross-Reference Part Numbers:

  • Johnson/Evinrude (OMC/BRP): 391416, 434109
  • GLM: 24330
  • Mallory: 9-54402
  • Wiseco: 3217KD

Sierra Marine is a trusted name in aftermarket marine engine components. All Sierra piston rings are precision-manufactured to deliver consistent sealing performance and long service life, keeping your outboard running at peak efficiency.

fast and great pricing

Easy and found what I was looking for

Ordering was easy and quick. Your form showed Paypal but wouldn't let me select it.

I ordered Weston side steps for my new 2012 ram quad cab on Sunday night and they were delivered on Tuesday. I specified regular ground shipping and did not expect them for a week or so. Will definitely order again in the future.

It's been very easy so far. Thanks!

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Ordered Wednesday, shipped Friday, arrived Saturday.live chat was not helpful when I attempted to check the status of my order. Overall satisfied with the experience

Great merchant! I would most certainly would do business with them again. Customer Service was extremely helpful and my order shipped quickly.

lets get it rolling guys!

Very good pricing, shipped out next day. Thumbs up!

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