Mercruiser Parts

Sierra 18-3760 MerCruiser Alpha One Gen II Bell Housing Bushing Kit Replaces 806036A1 This Sierra bell housing bushing kit is designed for use with MerCruiser Alpha One Gen II drives. Application Info: Fits MerCruiser Alpha One Gen II drives from...

Sierra 18-4396 Exhaust Manifold Gasket Set Sierra replacement exhaust manifold gasket set for Mercruiser Stern Drives For 250 (4.1L) CID engines; 165 hp s/n 2770032 & up Set Contains: (1) 18-0353 Carburetor Mounting Gasket (1) 18-0356...

Sierra 18-3649 Thermostat Sierra 18-3649 Thermostat is a replacement part for MerCruiser Stern Drives. All Sierra engine parts are manufactured to meet or exceed OEM requirements. Features: Temperature Rating: 160°F For: Fresh water...

Sierra 18-3650 Mercruiser 140 Degree Thermostat Kit  For Mercruiser Sterndrive engines using 140 degree thermostat. Fits 1998 & older MCM GM In-Line 4 & 6 cylinder engines. Kit Includes: (1) 18-2831 Thermostat Gasket (1) 18-3550...

Sierra 18-3551 142 Degree Thermostat for Mercruiser, Crusader,PCM When needing to replace your thermostat, we recommend Sierra high-quality engine parts as they are designed to meet OEM specifications at an economical price. The Sierra thermostats are...

Sierra 18-4349 Mercruiser V8 Exhaust Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. For GM 200, 228, 230, 260, 898 (5.0 & 5.7L). Set Contains: (2) 18-0872 Exhaust Manifold Gasket (2) 18-0897...

Sierra 18-5268 Tune Up Kit  - Delco In-line 4 Single Point For marine engines with Delco In-Line 4 - Single Point distributors Used on Mercruiser, OMC, Crusader and Chris Craft Marine engines. Kit Includes: Contact Set 18-5311 Condenser...

MerCruiser Pre-Alpha Water Pump Housing Kit by Sierra For #1/R Units without flush S/N 2763442 - 6854392 Pre-Alpha MerCruiser Drives. Models which have been retro fitted with an Alpha style (no preload pin on top of driveshaft) must use Kit # 18-3320...

Sierra 18-5273 MerCruiser Tune Up Kit for V8 Thunderbolt HEI Ignitions  Sierra high-quality engine parts are designed to meet OEM specifications. Fits GM V-8 engines with Thunderbolt IV & V HEI ignitions. Voltage Regulator 18-5710 Kit...

Sierra 18-5354 Distributor Cap - Delco V8 Ignitions Sierra 18-5354 Distributor Cap fits new GM style "module in cap" distributors with V-8 applications except MPI engines with ECM 555. Use with: 18-5405 Rotor Interchangeable...

MerCruiser 4Cyl Exhaust Manifold Gasket Set by Sierra For GM 153 & 181 (2.5 & 3.0L) CID Engines; 120 & 140 HP - S/N 6229718 & UP (With Siamese Port Cylinder Heads) Interchangeable...

Sierra 18-5466 Hi-Performance 1.5 ohm Ignition Coil for Mercruiser, OMC, Volvo 1.5 ohm (Oil Filled) black - 8 cylinder. Flame Thrower 40,000 volt Coil Designed for use with the original ignitor Electronic Conversion Kits Can Be used with other...

Sierra 18-4442 MerCruiser Alpha One Engine Alignment Tool Used to Verify Engine Alignment On: All MC-I, R-MR, Alpha 1, Alpha One/Gen 2 drives All Bravo drives All OMC Cobra drives Interchangeable With: MerCruiser...

Sierra 18-3668 Thermostat Kit for Mercruiser Stern Drives For Mercruiser engines using 142 degree thermostats Fits 1983 & newer GM V-6 & V-8 engines with standard cooling Includes: (1) Thermostat Cover Gasket (18-2552) (1) Thermostat...

Sierra 18-5280 Tune Up Kit for MerCruiser and OMC Stern Drives Sierra high-quality replacement parts are designed to meet OEM specifications.  Features: In-Line 4 Delco EST Use with: Delco HEI Distributor (GM 4 Cyl) 18-5475 Kit...

Sierra 18-5281 Tune Up Kit Delco Est V8 Used on MerCruiser, Indmar and Pleasurecraft Marine engines. GM V-8 Delco EST Fits 1996-2005 Indmar Monsoon, MCX, RPT & Hammerhead Engines Includes: 18-5354 Distributor Cap 18-5405...

Sierra 18-3577-2 Big Block Water Circulating Pump for MerCruiser, Volvo, OMC Fits: Big block GM engines with stamped steel timing covers (Bi-Directional) Used on MerCruiser, Crusader, OMC, Pleasurecraft and Volvo Penta Marine engines. s/s from...

Sierra 18-5395 Distributor Cap Replaces 805759T1 Includes Gasket Replaces: Mercrusier 16457A4,805759T2,805759T1, 805759A5,80759A2,43557A1,805759A1,90746A1,43557 Mallory 9-29403 GLM 71510 Pro...

Sierra 18-5396 Mercruiser Distributor Cap V6 Thunderbolt Ignition Sierra high-quality engine parts are designed to meet OEM specifications. Includes gasket Fits GM V-6 engines with Thunderbolt IV & V HEI Ignitions Interchangeable...

Sierra 18-5296-2 Electronic Conversion Kit - Mallory V8 Distributors Fits most Mallory YL or YD 8 cylinder distributors with clockwise or counter clockwise rotation. Used on some Mercruiser Marine and OMC engines. Replaces points & condensers for...