OMC Evinrude Johnson Crank Seal

The part number 326749 refers to an OMC genuine Johnson and Evinrude crankshaft seal ring. it's a crucial component for sealing the crankshaft bearings, preventing oil leakage, and protecting the engine from contaminants. This specific part is typically used in Johnson and Evinrude engines from 1985 and up, particularly those with a 200-300 HP range. 

Here's a more detailed breakdown

Function:

The crankshaft seal ring seals the crankshaft bearings to prevent oil from leaking out and to keep dirt and debris from entering the engine.

Location

It's located between the engine and transmission, specifically on the crankshaft.

Importance

A worn or damaged crankshaft seal can cause significant oil leaks, potentially damaging other engine components.

Compatibility 

Part number 326749 is specifically for johnson and evinrude engines within a certain power range and model year, typically 1985 and up.

Replacement 

Replacing a worn crankshaft seal is a relatively straightforward prodcedure, but it may require some specialized tools

Signs of a faulty seal:

Leaking oil, particularly around the crankshaft area, is a common sign of a worn seal.