120 Deg. Thermostat for Mercury Mariner 2-cyl, 6-40 Hp | 3-cyl, 50-75 Hp | 4-cyl, 40-125 Hp | V6, 225 Hp outboards. Replaces Mercury 14586 and Sierra 18-3549.
Thermostat Kit 140 Deg. for MerCruiser V6 & V8 non-high performance GM engines with standard cooling. Replaces Mercury 807252Q4, 807252T7, and Sierra 18-3668.
142 Deg. Thermostat Kit for MerCruiser V8 high performance Ford & GM engines with closed-cooling. Replaces Mercury 807252Q3, 807252T6 and Sierra 18-3646.
Brass Inverted Thermostat for Mercury Mariner 2-cyl, 7.5-40 Hp | 3-cyl, 70-90 Hp | 4-cyl, 100-115 Hp | V6, 135-300 Hp outboards. Replaces Mercury 75692, F660468, 66850, 75692B, 62981, and Sierra 18-3553.
Thermostat Kit for Mercury Mariner 2-cyl, 9.8-40 Hp | -cyl, 50-65 Hp | 4-cyl, 100-140 Hp outboards. Replaces: Mercury 75692, 62386001, and OMC 5005440, 0310058.
Thermostat 130 Deg. for 2000-2014 Mercury Mariner V6, 200-300 Hp outboards. Replaces Mercury 8M0057307, 885599004, 885599003, 8855991, and Sierra 18-3535.
Sierra Thermostat Kit 18-3551. For 351 CID Engines. Used on all V-8 Chrysler engines w/Rochester carburetors 1986 - present. For : Raw water cooled engines, Temperature Rating: 142°F. Height : 1.5. O.D. : 2.125.
Housing Kit includes Thermostat Spacer 4.3L/262ci to 8.2/502ci Raw Water Cooled (515645), Thermostat Housing (4.3L - 5.7L Raw Water Cooling System (542034), Gasket 4.3L / 5.7L / 7.4L Thermostat to Engine (280153), Brass Pipe Plugs x2.
Thermostat Housing used on Marine Power 4.3L - 5.7L Raw Water Cooling systems. Piece comes as raw metal with no paint or primer. Replaces: Mercruiser 860256A4. Does not have provisions for temp sensors. For kit see Part Number 542046.
Thermostat Housing used on Marine Power 5.7L Fresh Water Cooling systems. This housing is used in conjunction with Marine Power Number 511035 (Heat Exchanger). Includes Gaskets, Bolts And Washers, and Standard Size Radiator Cap Filler Neck. Outlet Angle - 180 Degree.
Thermostat Housing Neck used on Marine Power 5.7L Fresh Water Cooling systems. This housing is used in conjunction with Marine Power Part Number 511035 (heat exchanger). This neck flange accepts a standard radiator cap.