Sierra 18-2780-1 Exhaust Hose Replaces 3852741 Sierra 18-2780-1 Exhaust Hose is a replacement part for OMC Stern Drives and Volvo Penta engines. Sierra engine parts are manufactured to meet or exceed OEM requirements. Interchangeable with Mallory 9-72800 9-72814 OMC Stern Drive 3852741 Volvo Penta 3852741 3863450 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Wiser Yes Google Custom Field 2 best Product MPN 18-2780-1