18-7121 - O-Ring 25-35029, 308621

List Price

Your Price

Add to shopping cart

Available to order:

Usually ships

within 8 days Help

Part Number

Sierra Marine

Replaces OEM #0308621.

18-7121 O-Ring

Replaces: 308621, 25-35029

  • I.D.- 3.100
  • Width- .135
Warranty (PDF)
Enlarge photo

Sierra Marine O-ring is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.