Dedicated connector hoses save time. Having the right length and diameter hose speeds up the job. Sierra engineered these jumper hoses to replace the Volvo Penta and OMC hoses that connect risers to the exhaust tubes. Every Sierra part meets or exceeds factory specifications to ensure fit and function. Key Features Pre-cut to length to make installation straight forward Engineered to meet or exceed OEM specifications Backed by SeaStar Solutions Limited Two-Year Warranty Sierra Part Number 18-2781 Application TableApplicationOEM Part NumberGLM89230Mallory9-72801OMC Sterndrive3852742Volvo Penta3852742The Sierra Engine Parts SelectorIn addition to exhaust hoses, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see ourEngine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.