This is a new high quality mechanical seal / seat assembly priced to save you money.

Replaces Westerbeke / Universal :

Mechanical Seal ( spring seal ) , 48254 , 048254

Washer , 48253 , 048253

Retaining Ring , 33045 , 033045

For 12mm shaft

Fits pumps : 37431 , 037431 , 48080 , 048080 , 55624 , 055624