Exhaust Hose | Volvo 834871Original equipment exhaust hose connects exhaust manifold to outlet pipe on various 4 cylinder Volvo Penta marine engines. Fits Volvo Penta AQ120, AQ125, AQ131, AQ145, AQ151, AQ171, BB140, and 251A model marine engines 3 3/4 in. ID hose 4 in. long with hump in middle of hose Original Volvo Penta Replaces Volvo Penta 834871T