MerCruiser OMC Volvo Penta GM 3.0L 140hp 4cyl Engine Main Bearing Caps 1pc Seal Distributor Ignition Parts MerCruiser 165hp 6cyl GM 250

MerCruiser 165hp 6cyl GM 250 applications 1970-1978 (But Really only Serial 3464448-3774864) This was the only serial range using both the 40 amp circuit breaker 62566 and bracket for the circuit breaker

However take special note of the yoke length as described below

For some reason many of the MerCruiser Parts diagrams show the picture of this upper with part number 1547-9412A18

Chrysler Single Lever Control Box - External Side Mount Throttle Shift Control Box

MerCruiser OMC Volvo Penta GM 3.0L 140hp 4cyl Engine Main Bearing Caps 1pc Seal Distributor Ignition Parts MerCruiser 165hp 6cyl GM 250Part Number(s) Included Not really a part number for these but basically these are the Main Bearing Caps for the crankshaft on the 1990 & up GM 3. 0L 4cyl 140hp 1 piece rear main seal engines. General Application Compatibility GM 3. 0L I L4 applications 1990 & up with a one piece rear main seal. MerCruiser Gen I & Gen II applications 1990 & Up using this block OMC Cobra Volvo Penta If you are unsure on what type of rear main seal you have please