Sierra

Sierra Main Bearing 18-1137 Part#: S-18-1137 Interchange: Mercury Marine - 15103A3

Sierra Main Bearing 18-1147 Part#: S-18-1147 Interchange: Mercury Marine - 74313A1

Sierra Tapered Roller Bearing, Forward Gear Part#: S-18-1156 For: Mercruiser Vazer Interchange: Chrysler/Force/US Marine - 31-30894A1 GLM - 21820 Honda Outboard - 91051-ZW1-003 Mallory -...

Sierra Exhaust Inner Cover Gasket Part#: S-18-1218 Interchange: GLM - 34800 Johnson/Evinrude Outboard - 315868  

Sierra Camshaft Bearing Set Part#: S-18-1340 Interchange: Mercury Marine - 23-67484

Sierra Connecting Rod, Bolt Part#: S-18-1342 For Mercury Mariner V6, 135-200 Hp outboard engines. Interchange: Mercury Marine - 23-85705, 10-93886 Mallory - 9-52210

Sierra Bellow Flange Ring Part#: S-18-1728 Fits: Alpha One (Gen II) (1991 & Up) Interchange: Mallory - 9-73117 Mercruiser Stern Drive - 816607  

Sierra Manifold Part#: S-18-1956-1 with End Caps Interchange: Barr - MC 1 99798 GLM - 51210 Marine Power - 600333 Mercruiser Stern Drive  860235A04 99798A16

Sierra Thermostat Housing Part#: S-18-1989 Material: Stainless Steel Fits: MCM/MIE GM V-8 (454 & 502 cid) engines Interchange: Mallory - 9-42500 Mercruiser Stern Drive  861006A1

Sierra 18-0298 O-Ring Part#: S-18-0298 I.D.: 1.634" or 41.50 mm Width: .118" or 3.000 mm Interchange: GLM - 45250 Mercury Marine - 25-82275M  Yamaha Outboard 341-81834-10-00

Sierra Choke Cover Gasket Part#: S-18-0335 Fits Mercury Marine GM 120 1964-1982 engines. Interchange: Mercury Marine - 27-39947    

Sierra Distributor Cap Gasket Part#: S-18-0351 Interchange: Mercury Marine - 27-55896