Engines & Maintenance

Sierra Upper Unit Seal Kit  For: All Cobra (1986-1989) Kit Contents: Contents Part Contents Part Outdrive Gasket 18-2918-9 O-Ring 18-7403-9 Gasket, Water Pump Housing 18-2916-9 O-Ring 18-7407 Gasket, Water Pump...

Sierra Upper Unit Seal Kit For Mercruiser For: #1 Units (including Alpha)(Also fits 888 stern drive) Kit Contents: Contents Part Drain Screw Gasket 18-2945-9 Gasket, Water Pocket Cover 18-0894-9 Seal...

Sierra Upper Unit Tension Washer 18-3712 Part#: S-18-3712 Interchange: GLM - 28330 Mallory - 9-78107 Mercruiser Stern Drive - 12-45810

Sierra V6 Dry Joint Exhaust Manifold - Mercruiser - S-18-1842. Replaces: 864612T01Fits: 4. 3L Alpha/Bravo (2002 and Newer without Engine Catalyst)Use with:Dry Joint Elbow Gaskets: S-18-0720, S-18-0721 or S-18-0722 Part Number SRA-S-18-1842

Sierra Valve Cover Gasket For: GM 305/350 CID (5.0L & 5.7L) Interchangeable with the following:GLM30353Mercruiser Stern Drive27-1199927-3404327-52202FI1101236FI5000161 OMC Stern Drive912965 Crusader91351 Chris-Craft16.11-01236

Sierra Verado Flywheel Puller/Lifting Eye S-18-9897 Fits: All Verado engines as a lifting eye and flywheel puller Interchange: Mercury Marine91-895343A0291-895343T0191-895343T02

Vernatherm 143 manufactured by Sierra. Johnson/EvinrudeReplaces: 394411For: 10/15 (1993-95), 60/125/185 (1989-90), 65 (1987-89), 70/200/225 (1986-90), 120/140/300 (1985-90), 275 (1985-88) Part Number SRA-S-18-1506

Sierra Voltage Regulator - Mercury/Mariner - S-18-5741Replaces: 815279A2, 815279-1For: Mercury engines with 16 amp or 40 amp charging system model/years 1989-91 Part Number SRA-S-18-5741

Sierra Voltage Regulator - Mercury/Mariner - S-18-5743Replaces: 815279-3, 815279-5, 883072TFor: Mercury engines with 16 amp or 40 amp charging system model/years 1992 to present*Note: Black wire (not pictured) goes to engine ground. Part Number...

Sierra VST Filter & Gasket Kit - S-18-79957. Fits: F50 (2005-2014), F60 (2005-2014), F70 (2010-2014), F75 (2005-2014), F90 (2005-2014), T50 (2005-2014), T60 (2005-2014)Sierra CodeDescriptionO. E #S-18-79902VST Filter63P-13915-00-00S-18-0716Float Chamber...

Sierra VST Filter & Gasket Kit Item No: S-18-79956 Interchange: Yamaha Outboard63P-13915-00-006CB-14984-00-00

Yamaha VST Filter manufactured by Sierra. Replaces: 63P-13915-00-00Fits: F150 TXR(2004-09), F150 TLR(2004-09), F150 TJR(2009), LF150 TXR(2004-09), F250 TXR(2005-09), F250 TUR(2005-09), F300 TXR(2007-09), F300 TUR(2007-09), F350 TXR(2007-09), F350...