MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear Grab Handles Yoke Bottom: 73984

Yoke Bottom: 73984

The pressed-on bearing on these gears MUST be replaced as you can see in picture 3 that one of these gears has a bent bearing cage

Used on 1977 Models ONLY (175hp / 190hp 5

1163546 and upars

Mercury 25-45254 (x1)

MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear Grab Handles Yoke Bottom: 73984Part Number(s) Included MerCruiser 424 3864 Camshaft Assembly GM 3937765 casting number (sometimes looks like 3937785 or 3937766) OMC 908610 0908610 Volvo Penta 3854262 MerCruiser 43 58283 Camshaft Timing Gear (Fiber) OMC 908613 0908613 Volvo Penta 385452 General Application Compatibility All MerCruiser 140hp 3. 0L & 3. 0LX 4cyl Applications 1972 Early 90's before MerCruiser GM switched over to a Metal timing gear around the time of the 1 piece rear