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-Pitch x Length Qty. Model 18-8400-9 Yamaha Outboard 90119-08M15-00 M8-1.25 x 29mm 4 10499713 18-2605 Yamaha Outboard 90119-08M87-00 M8-1.25 x 75mm, 18-8 S/S 1 10499598 18-2607 Yamaha Outboard 97095-06040-00, 91101-06040-00 M8-1.0 x 40mm 18-8 S/S 1 10499614 18-6246 Yamaha Outboard 90105-10M00-00, 90105-10M67-00 N/A 1 13481957