Sierra Marine engine parts are designed to meet or exceed the OEM part they are intended to replace and they are backed by the SeaStar Solutions Two-Year Warranty—one of the best in the business.

We offer a variety of Sierra engine parts for most engine applications on the water today—including MerCruiser, OMC, Johnson/Evinrude, Volvo and more.

How to find the bolt you need

Select your bolt by locating the OEM part number in the table below. Bolts can also be selected according to their diameter, thread pitch and length.

The Sierra Engine Parts Selector

If you do not see the bolt (or other engine part) you need, please visit the Sierra Engine Parts Selector, where you can search by engine make, model, serial number or year of manufacture.

Sierra #	Application	Replaces OEM Part #	Bolt Diameter	Length	Qty.	Model
18-8404-1	Mercruiser Stern Drive	10-8053434	3/8"	1 11/16"	1	10499754
18-8403	Chrysler/Force/US Marine	FI1100662, FI1100347	3/8"	1 13/16"	1	10499663
18-8403	Mercruiser Stern Drive	10-8053433, 10-812509184	3/8"	1 13/16"	1	10499663
18-8402	Mercruiser Stern Drive	10-8053432, 10-813642	3/8"	4 3/8"	1	10499747

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Fixations et kits de montage OEM

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