Sierra 18-3805 Head Gasket | Sierra
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Replacement head gaskets for your Yamaha outboard.
For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders to a point of supplying them with OEM parts. Boaters and technicians can be assured a Sierra part will fit right the first time and restore function to OEM specifications.
The Sierra Engine Parts Selector
In addition to exhaust manifolds, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.
Mercury Outboard Head Gasket Selection Chart
| SIERRA# | Interchange | Model |
|---|---|---|
| 18-3805 | GLM 34950; Mallory 9-63958; Yamaha Outboard, 688-11181-02-00, 688-11181-A1-00, 688-11181-A0-00, 688-11181-01-00, 688-11181-A2-00 | 1763309 |
Brand: Sierra
WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov
Backorder Policy: Occasionally, due to demand or supplier delays, some items may be temporarily out of stock or non-stock items. To ensure you can still get the products you need, you can order items even when they're out of stock. Our sales team will update you with the shipping lead time. Once back in stock, we promptly ship your item, and if your order includes both in-stock and backordered items, we may split the shipment. You can cancel your backorder before shipment, and request a refund to original payment method. For any inquiries, contact us at sales@freeportmarine.com.
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