" Sierra 18-3550 Thermostat for Mercury/Mercruiser Inboard/Outboard Marine Engines DETAILS • Replaces: Mercury 59078 and GLM 13020 • Temperature Rating: 140 Degrees • Fits: - 120 GM, 1982 to 1983 (Serial Range 5192049 THRU 6229717) - 120 GM, 1983 to 1989 (Serial Range 6229718 THRU 0B531853)...

The Sierra 18-5405 Rotor is interchangeable with the following: Crusader 38071, GLM 71100, Mallory 9-29209, Mercruiser 898253010, 808484-1, 804423, 8M6001253, OMC 3854549, Volvo Penta 3854549-7, 3862014. Each Sierra product meets or exceeds the original equipment part it replaces.

The Sierra 18-0398-9 Thermostat Gasket is interchangeable with the following: GLM 35060, Mallory 9-60009, Mercruiser 27-33918, 27-8M2021920, OMC 385211, 312797, Volvo Penta 835417. Each Sierra product meets or exceeds the original equipment part it replaces.

The Sierra 18-2873-9 Water Jacket Gasket is interchangeable with the following: GLM 33530, Evinrude/Johnson 318335, Mallory 9-60454. Each Sierra product meets or exceeds the original equipment part it replaces.

The Sierra 18-7820 Fuel Pump Kit is interchangeable with the following: GLM 40820, Evinrude/Johnson 393103, Mallory 9-37702. Each Sierra product meets or exceeds the original equipment part it replaces.

The Sierra 18-2644 Upper Unit Seal Kit is interchangeable with the following: GLM 87501, Mallory 9-74302, Mercruiser 26-88397A1. Each Sierra product meets or exceeds the original equipment part it replaces.

The Sierra 18-3647 Thermostat Kit is interchangeable with the following: GLM 13101, Mallory 9-43157, Mercruiser 807252Q5, 807252T8. Each Sierra product meets or exceeds the original equipment part it replaces. Contains 18-2552 Thermostat Cover Gasket, 18-2553 Thermostat Cover Gasket, 18-2844 Thermos...

Manifold to Riser 1981-1998 OMC V6 & V8 Volvo 1994 and After, SX V6 & V8

The Sierra 18-5354 Distributor Cap is interchangeable with the following: Crusader 38070, GLM 71400, Mallory 9-29411, Mercruiser 808483, 808483T3, 804418, 808483T, OMC 3854548, Volvo Penta 3854548-9. Each Sierra product meets or exceeds the original equipment part it replaces.

Brand new, genuine Mercury Marine/Mercruiser Gasket Assy. This is a factory original equipment part, not aftermarket.

The Sierra 18-2833-9 Exhaust Elbow Gasket is interchangeable with the following: Barr MC472799777, GLM 31520, Mallory 9-61407, Mercruiser 27-997772, 27-997771, 27-99777, 27-52076, 27-99777B2, Osco 52076. Each Sierra product meets or exceeds the original equipment part it replaces.

The Sierra 18-2844-9 Thermostat Gasket is interchangeable with the following: Barr MC472748818, GLM 31510, Mallory 9-60010, Mercruiser 27-488181, 27-48818Q01, 27-48818. Each Sierra product meets or exceeds the original equipment part it replaces.