Engine Parts

Sierra 18-4075-9 Rod Bolt - 12 Pack Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty. For use on Johnson/Evinrude Outboards and OMC Stern Drives. Package of...

Sierra 18-5929 Mercury Alternator Sierra replacement engine parts are designed to meet or exceed OEM requirements. This 18-5929 Mercury Alternator fits all Mercury Verado engines. Interchangeable with: Arco 20860 Mallory 9-19202 Mercury...

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 18-4698 Yamaha & Mercury Drain Fill Washer Sierra high-quality engine parts are designed to meet OEM specifications. Use with 18-2374 Magnetic Drain Screw Interchangeable with: Mallory 9-60100 Mercury...

Sierra 18-5397 OMC Distributor Cap Sierra high-quality engine parts are designed to meet OEM specifications.  Fits Ford 2.3L with Mallory Distributor 1987-90 Interchangeable with: Mallory 9-29418 OMC Stern...

Sierra 18-5794-1 Power Pack Sierra replacement power pack for Johnson/Evinrude Outboards. Sierra marine engine parts are manufactured to meet or exceed OEM requirements. Interchangeable with: CDI 113-4489 Johnson/Evinrude...

Sierra 18-5399 Distributor Cap Gasket for Mercruiser, OMC, Crusader Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Crusader 41061 GLM 32030 Johnson/Evinrude...

Sierra 18-7143-9 O-Ring (Priced Per Pkg Of 5) Sierra replacement O-ring. I.D.: 1.310" or 33.3mm Width: 0.100" or 2.5mm Package of 5 Interchangeable with: GLM 81250 Johnson/Evinrude Outboard 331188 Mallory 9-76537 Mercruiser...

Sierra 18-4275 Washer Sierra replacement washer. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Interchangeable with: Chrysler/Force/US Marine F2012 Mercruiser Stern...

Sierra 18-7169-9 O-Ring (Priced Per Pkg Of 5) Sierra replacement O-rings for Mercruiser, Chrysler, and OMC.  I.D.: 3.500" or 89mm Width: 0.135" or 3.4mm Package of 5 Interchangeable with: Chrysler/Force/US...

Sierra 18-6273-1 Mercury Tilt/Trim Motor For Mercury and Mariner Outboard Engines. High performance cartridge pump with replaceable motor. Three ram integral power trim Fits Mercury/Mariner 70/75/80/90 hp. (3 cyl.) 2 cycle outboards, 1987 through...

Distributor for Ford 302 - Special Order est. 10 Days For most Ford 302 CID V-8 Engines Contains: 18-5251 TUNE-UP KIT And 18-5376 CAP Replaces:  OMC -...

Grease Gun with 3oz Cartridge by Sierra Heavy duty all steel construction for dependable, long service life. Features: Rigid and flexible line. 3oz Grease cartridge. Pistol grip for easy, one-hand operation. Compact size-perfect for hard to reach...

Sierra 18-9788 Lube Pump Sierra 18-9788 Lube Pump is for filling lower units on outboards and stern drives. Features a tapered/unthreaded hose end. Size: 5 Gallon Use with: 18-9600-5 Premium Lower Unit Gear Lube 18-9620-5 Type "C" Gear...

Mercruiser Tappered Insert Tool by Sierra Installs Tapered Insert Retainer Into Water Inlet Hose On All Bravo Drive Units Replaces: Mercury - 91-43579 Pro Marine - 18-9844  

Sierra 18-9789 Oil Filter Wrench Sierra Oil Filter Wrench size 2-9/16" thru 3-1/4".

Sierra 18-9790 Oil Filter Wrench Sierra oil filter wrench. Size: 3-5/16" thru 3-3/4"

Sierra 18-8094 Hose Barb 5/16"x1/4" NPT Female Sierra replacement fuel hose barb.  Barb Size: 5/16" or 7.9mm NPT Size: 1/4" or 6.4mm Connection Type: Female Interchangeable with: Moeller 33476-10

Wheel Bearing Packer by Sierra Simplifies bearing packing process and helps to insure consistent, even filling

Sierra 18-8095 Hose Barb 3/8"x1/4" NPT Female Sierra replacement fuel hose barb. Barb Size: 3/8" or 9.5mm NPT Size: 1/4" or 6.4mm Connection Type: Female Supersedes: 033478-10