Sierra Marine

Sierra Engine Coupler - Mercruiser - S18-2172. Replaces: 14505A2 Used when replacing V6 or V8 2 piece rear main seal with 3-1/2” crankshaft bolt pattern to a newer 1 piece rear main seal...

Sierra Engine Coupler - Mercruiser - S18-2413. Replaces: 69354A1, 69354A2 For: 470, 485 (224 cu. in.) S/N 4208730-6218036 (1976-1982) Part Number SRA-S18-2413

Sierra Yoke Assembly - Mercruiser - S18-6401 Replaces: 12784A10, 12784A4 For: Bravo I, II, III (OB664190 - up) (1998-05) Part Number SRA-S18-6401

Sierra Head Gasket - Mercruiser - S18-2946. Replaces: 3853336, 908611 Fits: GM 181 (3.0L) CID Eng. Part Number SRA-S18-2946

Sierra Thermostat Kit - Mercruiser -  S18-3647 Replaces: 807252Q5, 807252T8 Contains: Sierra CodeDescriptionO.E # S18-3649 Thermostat 807252-2 S18-2844 Thermostat Cover...

Sierra Thermostat Housing - Mercruiser - S18-1977-1. Replaces: 47441, 47441A1 Fits: 225, GM 260, 228, 898/198, 185R, 898R, 228R, 2GR Part Number SRA-S18-1977-1

Sierra Thermostat Kit - Mercruiser - S18-3652. Contains: Sierra CodeDescriptionO.E # S18-2555 Thermostat Cover Gasket 27-89656-1 S18-2843 Thermostat Cover...

Sierra Thermostat Kit - Mercruiser - S18-3668. Replaces: 807252T4, 807252Q4 Contains: Sierra CodeDescriptionO.E # S18-2552 Thermostat Cover Gasket 27-33179-2 S18-2553 Thermostat...

Sierra Thermostat Kit - Mercruiser - S18-3667. Contains: Sierra CodeDescriptionO.E # S18-2555 Thermostat Cover Gasket 27-89656-1 S18-3555 Thermostat 99155A1   Part...

Sierra Thermostat Kit - Mercruiser - S18-3648. 160° Part Number SRA-S18-3648

Sierra Thermostat Kit - Mercruiser - S18-3644. Contains: Sierra CodeDescriptionO.E # S18-3649 Thermostat 160° 807252T2 S18-2553 Thermostat Cover...

Sierra Thermostat Kit - Mercruiser - S18-3646. Replaces: 807252Q3, 807252T6 Contains: Sierra CodeDescriptionO.E # S18-3551 Thermostat 59137 S18-2917 Thermostat Housing...

Sierra Fuel Pressure Regulator - Mercruiser - S18-33207. Replaces: 860349A1 Fits: MCM/MIE 7.4L/LX MPI, 4545 Mag MPI, 502 Mag MPI, MIE 8.2L MPI. Mounts on Fuel Cooler. Part...

Sierra Fuel Pressure Regulator - Mercruiser - S18-33211. Replaces: 892681 Fits: Mercruiser 8.1L, 496 Mag HO, 502 Mag MPI 375-400 HP. Part Number SRA-S18-33211

Sierra Thermostat Kit - Mercruiser - S18-3650. Replaces: 59078T3 Contains: Sierra CodeDescriptionO.E # S18-2831 Thermostat...

Sierra Thermostat Kit - Mercruiser - S18-3651. Replaces: 59078T3 Contains: Sierra CodeDescriptionO.E # S18-2554 Thermostat Cover Gasket 27-90556 S18-2553 Thermostat Cover...

Sierra Hydraulic Trim Pump Assembly - Mercruiser - S18-6753. Low Pressure - High Flow Stainless Steel Bracket Replaces: 14336A9, 88183A12 Fits: 1983 and Later without “quick...

Sierra Tilt/Trim Pump - Mercruiser - S18-6769-1. Low Pressure - High Flow Replaces: 14336A8, 88183A5 From 1984 Fits: Most Mercruiser Sterndrives Part Number SRA-S18-6769-1

Sierra Tilt/Trim Reservoir - Mercruiser - S18-6771. Replaces: 18525, 18525A1, 17646 Part Number SRA-S18-6771

Sierra Commutator End Plate - Mercruiser - S18-6254. Replaces: 392-2940 For: Use with Prestolite Pumps (Mercury #’s 79271A4 and 88475A5) Part Number SRA-S18-6254