MerCruiser 423-804957T01 GM 93436083 Crankshaft 3.0L 140hp 4cyl 1-Piece Oil Seal Pulley - Water Pump Earliest variant as it is

Earliest variant as it is a 1961 that doesn't have the extra support arm on the bottom which is not critical

2172-6498A9

8L Models Volvo Penta 3853846

OMC 913802 / 0913802 Power Steering Cooler

Mercury 79489 Sound Attenuator For​​​​ Serial Number 4977157 & Up

MerCruiser 423-804957T01 GM 93436083 Crankshaft 3.0L 140hp 4cyl 1-Piece Oil Seal Pulley - Water Pump Earliest variant as it isItem Details MerCruiser Part Number 423 804957T01 423 804957 Used from 1999 & UP on MerCruiser GM 140hp 4cyl 3. 0L engines using the 1 piece oil seal Engine Serial Numbers SN# 0L605541 & Below (Roughly 1999 & UP) This is for engines with a 1 piece rear main seal. and using the narrow rod journals (1999 & UP). MerCruiser Part Number 423 810842 423 810842T GM part # 93436083. DOES NOT REPLACE 140966 (as the rod journal sizes are allegedly different