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Stern Drive Parts
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Outboard Parts
New Boat Parts & Accessories
Sierra o-rings for Mercury and Mercruiser engine applications.
Sierra part number: 18-7420
Replaces Mercury part number: 25-21836
This o-ring is used with many Marecury Mariner Outboards as well as Mercruisers.
Please check the part numbers for your specific fitment needs.
Thank you for shopping at Boats.Parts!!
Christine
Sierra part number: 18-7420
Replaces Mercury part number: 25-21836
This o-ring is used with many Marecury Mariner Outboards as well as Mercruisers.
Please check the part numbers for your specific fitment needs.
Thank you for shopping at Boats.Parts!!
Christine
- Brand: SIERRA
- Condition: New
- SKU: 18-7420
- MPN: 18-7420
- warehouse: 1111
