Volvo Penta 3852111 Thermostat Housing GasketGenuine OEM Volvo Penta part.Fits: Volvo Penta 4.3L (All Models); Volvo Penta 5.7L (All Models Except OSi); Volvo Penta 5.8L (All Models); Mercury 110/120; Mercury 140/150/160; Mercruiser 3.0L/LX (w/closed cooling); Replaces Marine Power 280153; Mercruiser 27-8M2021920; OMC 312797; Volvo 835417; *Use with aluminum exhaust manifold