Water Pump 

Key Features:

• Bi-Directional

Additional Details:

• Fits: GM V-6 (s/n 1A063239 & below) & V-8 (305, 350 & 377 CID) engines

Interchanges/Replaces

Crusader

• 20318
• 7142520

Mercruiser Stern Drive

• 17437
• 35341
• 37951
• 46-8M0113734
• 52226
• 54793
• 60658
• 811841
• 850399
• 850399002
• 8503991
• 878341
• FI1100742
• FI1101208
• FI1101292

MES

• WP453ML

OMC Inboard

• 980477

OMC Stern Drive

• 382218
• 3853850
• 980477
• 985429

Pleasurecraft

• RA057018

Volvo Penta

• 3853850
• 835390
• 856364

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0891	Chris-Craft 16.50-00078 GLM 31380 Mallory 9-60065 Mercruiser Stern Drive 27-34896 27-34897 FI5000077 FI5000078 OMC Inboard 909835 OMC Stern Drive 3852477 909835 Volvo Penta 3852477 835210 Yamaha Sterndrive YSG-37545-87-G0	2	Water Pump Mounting Gasket		N/A