Sierra 18-7420 O-Ring Replaces 25-21836 - MW
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Toronto, ON
Vancouver, BC
NJ, Warehouse
FL, Warehouse
On Back Order
This item is currently on backorder. You can still place an order, but it will only ship once it’s back in stock.
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Sierra 18-7420 O-Ring
This item has been discontinued by the manufacturer and is repalced by 18-7420-9
Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser Stern Drives and Mercury Marine engines.
- I.D.: 0.796"
- Width: 0.139"
Interchangeable with:
- GLM
- 82110
- Mallory
- 9-76565
- Mercruiser Stern Drive
- 25-21836
- Mercury Marine
- 25-21836
- Mercury Race Outboard
- 25-21836
- Mercury Race Sterndrive
- 25-21836
- Mercury Sport Jet
- 25-21836
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov
