Description
Mercury MerCruiser Quicksilver 12-26825 is a genuine Mercury Marine washer specified as .328 in. x .750 in. x .060 in. It is used across a broad range of Mercury, Mariner, and MerCruiser assemblies where the factory parts diagram calls for this exact washer. This is a small OEM hardware washer used for proper spacing, fastening support, or load distribution in the listed assembly location.
Key Features
- Genuine Mercury Marine / Quicksilver washer reference
- Size reference: .328 in. x .750 in. x .060 in.
- OEM part number: 12-26825
- Base part reference: 26825
- GTIN / UPC reference: 745061078208
- Catalog package reference: approximately 3.00 in. x 1.00 in. x 0.10 in.
- Broad-use hardware item best matched by exact parts diagram location
Engine Compatibility
This washer is shown in Mercury parts references across many older Mercury / Mariner outboards and MerCruiser applications, including select classic Mercury outboards, early MerCruiser sterndrives, older GM and Ford MerCruiser engine assemblies, Alpha / Bravo-related applications, steering systems, remote controls, fuel/oil tank and line groups, and exhaust / cooling system component groups depending on serial number and diagram location.
Serial Number Fitment Notice
Washer fitment depends on the exact engine, drive, steering, control, cooling, or hardware assembly and the specific diagram callout. Always confirm compatibility using the Mercury or MerCruiser serial number and parts diagram before ordering, especially because 12-26825 appears in many different assemblies.
When This Part Needs Replacement
Replace this washer if it is missing, corroded, bent, flattened, distorted, worn, damaged during removal, or no longer sits correctly in the fastener stack. Small hardware should be renewed when it affects proper clamping, spacing, or alignment.
Installation Notes
Confirm the washer’s exact position in the Mercury parts diagram before installation. Match it with the correct screw, bolt, nut, bracket, linkage, or mounting hardware for the assembly being serviced, and tighten the related fasteners according to the Mercury service manual for the specific application.
Alternate/Superseded Part Numbers
- 12-26825
- 26825
- Mercury Marine 26825
- Quicksilver 12-26825
Parts Desk Insight
This washer has a very wide application range, so the safest match is the exact diagram location rather than the engine size or drive family. If the Mercury parts drawing calls for 12-26825, use that reference instead of trying to match a generic washer by appearance.
Shipping: Ships same or next day for fast Canada wide shipping.






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