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Used Outboard Parts & Fresh Water Sterndrive Parts

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18-7421 25-20415 Sierra Replacement O-Ring (5) for Mercury Mariner Marine

18-7421 25-20415 Sierra Replacement O-Ring (5) for Mercury Mariner Marine

18-7421 25-20415 Sierra Replacement O-Ring (5) for Mercury Mariner Marine

18-7421 25-20415 Sierra Replacement O-Ring (5) for Mercury Mariner Marine

18-7421 25-20415 Sierra Replacement O-Ring (5) for Mercury Mariner Marine

$13.95

Part number 18-7421.
Replaces OEM Mercury Marine 25-20415

Sierra O-Ring, Pack of 5

Dimensions (inches): 0.150 I.D, 0.065 Width

Please check the part numbers for your fitment needs. If you are unsure whether this part fits your model, please contact us with your serial number and we can help determine if it is right for your engine.

Thank you for shopping at Green Bay Prop!!

Green Bay Prop offers the most used Stern Drive & Outboard parts in Wisconsin!
cat-d34

Brand: Sierra
Condition: New

SKU: GBP003194

MPN: 18-7421
warehouse: D34
Related Part Numbers: 25-20415, 16524

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