MerCruiser 423-810842T Crankshaft 3.0L 140hp 4cyl 1990-1999 1-Piece Oil Seal
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- MerCruiser Part Number 423-810842T
- Used from 1990-1999? on MerCruiser & OMC GM 140hp 4cyl 3.0L engines using the 1-piece oil seal...
- Engine Serial Numbers SN# 0L605541 & Below...
- This is for engines with a 1-piece rear main seal....which they switched over to in 1990...
- MerCruiser Part Number 423-810842 / 423-810842T
- GM part # N140966 / 140966 / 140968? as I see in some references...
- Just make sure yours has the same stamped part number of 140966
- Engine turned over by hand freely before removed (Cracked Block from freezing)
- If you are unsure if this will work for you, just ask.
- Purchase with confidence!
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999