Sierra 18-3150 MerCruiser Bravo Water Pump Kit The Sierra 18-3150 Water Pump Kit is for use on all MerCruiser Bravo and TRS Sterndrives and Inboard Marine engines. Can be used to replace the 2 piece housing sea water pump. Sierra aftermarket engine...

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 18-5438 Ignition Coil for Thunderbolt MerCruiser & Crusader Ignitions Sierra replacement ignition coil. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Fits: GM V-6 & V-8 Engines With HEI Thunderbolt...

Sierra 18-3087 Water Pump Impeller for MerCruiser, Mercury For use on MerCruiser Bravo Sterndrives and Inboard engines with engine mounted sea water pumps (1999 & older)...

Sierra 18-3147 MerCruiser Alpha Gen II Water Pump Kit Sierra high-quality engine parts are designed to meet OEM specifications. For use with Gen II Lower S/N D469859 and Up. Kit Includes: Carrier Seal 18-2354 Impeller 18-3056 Impeller Plate...

Sierra 18-5179 Ignition Coil for Johnson/Evinrude Outboards Sierra replacement ignition coil for Johnson/Evinrude Outboards. Sierra marine engine components are manufactured to meet or exceed OEM requirements. Used on most Johnson and Evinrude Outboard...

Sierra 18-5176 Ignition Coil Kit for Johnson & Evinrude Outboard Engines Sierra replacement ignition coil for use with Johnson/Evinrude Outboards. Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable...

Sierra 18-5608 Replacement Starter for Mercury & Mariner Outboards Replacement starter for Mercury Outboards and Mariner Outboards. Fits 135-200 HP 2.5L V-6 engines. Features: Fits: 135-200 Hp 2.5L V-6 Tooth Count: 8 Interchangeable...

Sierra 18-3017 Water Pump Impeller for Mercury Sierra replacement water pump impeller for Mercury and MerCruiser engines. This impeller fits MCM and outboard applications. All Sierra engine parts are manufactured to meet or exceed OEM requirements...

Sierra 18-3606 Mercury 130° Thermostat Kit Sierra high quality replacement engine parts are designed to meet OEM specifications. Temperature Rating: 130° F Kit Includes: (2) 18-3535 Thermostat (2) 18-3675 Thermostat Cover Gasket

Sierra 18-2001 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. For use on Johnson/Evinrude Outboards and OMC Stern Drives. Features: O.D.: 1.624" Shaft Size: 1.125" Width: 0.250" Interchangeable...

Sierra 18-2619-1 MerCruiser Outdrive Gasket Set Sierra high quality engine parts are designed to meet or exceed OEM requirements. For MerCruiser R, MR, Alpha and Alpha One Gen II Outdrives (1983 and Newer) (s/n 6225577 & up). Kit...

Sierra 18-1998-1 Exhaust Manifold - Port & Starboard for Ford V8 Engines Fits Port and Starboard Sides. Universal Center Riser Manifold. Fits: Crusader 302 and 351 CID Engines Interceptor 221, 260 and 289 CID Engines Commander, Mercury, OMC,...

Sierra 18-2771 OMC Bellows Kit Sierra replacement bellows kit. For: OMC Cobra without cone clutch Kit Includes: 18-2764 Exhaust bellows 18-2613 Outdrive gasket set 18-2100 Heavy duty gimbal bearing 18-2763 Shift cable bellows 18-2765...

Sierra 18-2171 MerCruiser Engine Coupler Sierra replacement round style engine coupler for all GM marine engines Except MerCruiser MR/Alpha/Bravo with Triangular, 3-bolt coupler. All Sierra aftermarket parts are manufactured to meet or exceed OEM...

Sierra 18-2603 MerCruiser Alpha 1 Gen 2 Lower Shift Cable Kit Sierra replacement lower shift cable kit. Fits MC-I, R, MR, Alpha One & Gen II (1978 & Newer). Kit Includes: (1) 18-2190 Shift Cable (1) 18-2619-1 Outdrive Gasket Set (1)...

Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803097T1 This Sierra bellows seal kit is designed for use with MerCruiser Alpha One Gen I drives. This bellows kit comes with a greasable gimbal bearing. Application Info R, MR,...

Sierra 18-1976-2 MerCruiser V6/V8 GM 2002 & Older Manifold Elbow Replaces 807988A03 Unlike automotive engines, all marine inboards have exhaust risers that feature a water induction elbow. Located behind the engine’s coolant reservoir, the...

Sierra 18-2753-2 MerCruiser Shift Cable Bellows Replaces 74639A2 This Sierra shift cable bellows is designed for use with MerCruiser drives. Includes clamp. Application Info: Fits MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers...

Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227 This Sierra exhaust bellows is designed for use with MerCruiser drives. Includes clamp. Fits: MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers 06225577 thru...