Mercury MerCruiser Quicksilver Zeus Trim-Cylinder Mounting O-Ring (2.550 x .103) 63351
In stock items ship same or next day.
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You have 30 days to request a return. All sale items are final sale.
Product Description
Mercury 63351 is the O-ring used at the trim-cylinder mounting location in specified Zeus 3000 pod-drive trim assemblies. The parts catalog identifies its size as 2.550 x .103 and places it with the trim cylinder and mounting hardware.
Key Features
- Mercury catalog number: 25-63351
- Catalog dimensions: 2.550 x .103
- Trim-cylinder mounting seal in the Zeus 3000 trim-components assembly.
Engine Compatibility & Fitment Notice
The Zeus 3000 trim-components diagram for serial range 0M962233–0M963370 identifies this O-ring at position 15. Confirm the pod-drive serial number and cylinder-mounting callout before ordering. During cylinder service, check the O-ring groove for damage and follow the drive service procedure for seal installation.
When This Part Needs Replacement
Replace a cut, flattened or damaged mounting O-ring whenever leakage is traced to this trim-cylinder sealing location.
Installation Notes
Clean the cylinder-mounting groove and use only the lubricant and assembly procedure specified for the Zeus trim system.
Mercury Parts Finder
Search Mercury parts by serial number or part number.
Parts Desk Insight
63351 is the cylinder-mounting O-ring. The nearby manifold and position-sensor seals have separate part numbers.
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.