Mercury MerCruiser Quicksilver Stainless-Steel Flat Washer .344 x .688 x .065 Inch 814806
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 MerCruiser Quicksilver 12-814806 is a stainless-steel flat washer specified at .344 x .688 x .065 inches. It appears in several MerCruiser assemblies, including seawater-pump hardware, with the exact quantity and location determined by the applicable diagram.
Key Features
- Legacy OEM washer reference: 12-814806.
- Material: stainless steel.
- Catalog dimensions: .344-inch inside diameter, .688-inch outside diameter and .065-inch thickness.
- Superseding reference: 12-8M0204690.
Product Compatibility
A verified application is the seawater-pump assembly on the 502 MAG MPI Bravo Gen VI GM 502 V8, serials 0L085433–0M024999. Match the exact fastener joint in the engine or drive diagram before ordering.
Installation Notes
Replace a distorted or damaged washer and inspect the fastener seating surface. Keep the washer and any adjacent locking hardware in the order specified by the service manual. Use the tightening specification for the assembly being serviced.
Parts Desk Insight
This is a dimensioned flat washer, not a lockwasher. Preserve the specified washer thickness and diameter at the joint.
Manufacturer Parts Lookup
Use Mercury’s official parts finder to check the part against your engine or drive serial number.
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.