Exhaust Hose | Sierra 18-2781Rubber hose connects upper exhaust elbow to exhaust Y-pipe on multiple model OMC and Volvo Penta marine engines. Fits OMC 2.3L marine engines from 1987-1988 Fits OMC 4.3L marine engines from 1987-1989 Fits OMC Ford 5.8L and 5.8L marine engines from 1989-1990 Fits OMC 5.7L marine engines from 1987-1991 Fits Volvo Penta 5.0L FL, GL, GXI, and OSI marine engines Fits Volvo Penta 5.7L FL, GL, GI, GXI, GIL, GXIL, OSI, and OSXI marine engines Fits Volvo Penta 5.8L FL and FSI marine engines Fits Volvo Penta 7.4L GL, GI, and GSI marine engines Fits Volvo Penta 8.1L GL and GSI marine engines Fits Volvo Penta 8.2L GL and GSI marine engines 3 1/2 in. ID hose 4 1/8 in. long Replaces OMC 3852742 Replaces Volvo Penta 3852742 Replaces Mallory 9-72801