Mercruiser Outdrive Parts Drawings *How to Videos

T.C. Electronics/Marine Home Page

Water Pump Gasket Kit - Mercruiser

Lower Unit Water Pump Housing Gasket and O-ring Kit

  • Includes gaskets, slinger and o-rings
  • Water pump housing and base gaskets are compatible with water pump bases P/N 12333 OEM 46-48748T1, P/N 12311 OEM 46-57234T1 and P/N 12322 OEM 46-4429A3
  • Works with Mercruiser MC-1/R/MR/Alpha 1 models 120/140, 470/485, 165/160, 888, and all V8 1.50 ratio motors 1970 - 1990 serial numbers 2495186 - OD469858
  • It is recommend to use a gasket sealant compound when installing base gaskets

12290 Impeller gasket kit

12290 Impeller gasket kit

P/N 12290 Impeller service kit $21.95

Parts included in kit:

Gaskets P/N 31170 OEM 12-20260 (2), P/N 31030 OEM 27-32438, P/N 31050 OEM 27-42631-1, P/N 31010 OEM 27-85608-1, P/N 31020 OEM 27-85824, P/N 31040 OEM 27-856704

O-rings P/N 82250 OEM 25-30224, P/N 81160 OEM 25-30613, P/N 82260 OEM 25-33145, P/N 81390 OEM 25-90011, P/N 82270 OEM 25-38099

Slinger P/N 21330 OEM 25-30271

Seal P/N 85140 OEM 26-45577-1