MerCruiser 75521 Crankcase Timing Cover Assembly 165hp 4.1L 250 Late 70's-1981 Pulley Previously installed on a 1994

Previously installed on a 1994 OMC / Volvo Penta 4

Used from 1973-1993 on virtually all OMC 2

Found in MerCruiser Gen II upper gearcases for 5

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Boot: 99161

MerCruiser 75521 Crankcase Timing Cover Assembly 165hp 4.1L 250 Late 70's-1981 Pulley Previously installed on a 1994Part Number(s) Included MerCruiser 75521 Crankcase Timing Cover General Application Compatibility This was just found on MerCruiser Inline 6 4. 1L 165hp applications Serial number 4331787 & up (which would be the late 70's thru 1981) Identifiable by the location of the Timing Check Gauge Other Details Freshwater Used Parts Overall good condition (see pictures) Purchase with confidence!