Mercury MerCruiser Quicksilver Coupling Yoke O-Ring 35027
In stock items ship same or next day.
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Product Description
Mercury Quicksilver 25-35027 is a sealing O-ring used on specified MerCruiser coupling-yoke arrangements. The catalog identifies the 1.046-inch O-ring with the coupling yoke that uses two O-rings.
Key Features
- Legacy OEM reference: 25-35027.
- Catalog diameter designation: 1.046 inches.
- Current replacement reference: 25-8M0204654.
Compatibility and Fitment
Check the coupling-yoke configuration and drive serial number. Catalog applications include Alpha One Gen II 1991–1995, serial numbers 0D469859 through 0F679999, and later Alpha One Gen II and Bravo configurations that specify this ring.
Replacement and Installation
Replace cut, flattened or damaged rings during yoke service. Clean the grooves and use the lubricant and assembly method specified in the drive service manual.
Alternate / Superseded Part Numbers
25-35027 is the legacy number; 25-8M0204654 is the current superseding reference.
Mercury Parts Finder
Search Mercury parts by serial number or part number.
Parts Desk Insight
Count the O-ring grooves on the installed yoke. A correct part number still requires the correct quantity for that yoke.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.