MerCruiser OMC GM 2.5L 4cyl Crankshaft Bearing Cap Set 1972-1986 397014 3872781
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Part Numbers (GM / MerCruiser / OMC Stringer / OMC Cobra)
Intermediate and Front Crankshaft Bearing Cap x4
- GM 3749951 (Casting-sometimes this was different or not visible as this actual stamped number likely changed over the years)
- MerCruiser 35310
- OMC (GM 3970194)
Rear-Crankshaft Bearing Cap
- MerCruiser 49954
- OMC (GM 3928975)
Crankshaft Bearing Cap to Cylinder Block Bolt (2-31/32")
- MerCruiser 10-46717
- OMC (GM 3872781)
- Pre-1972 2.5L engines typically used a shorter bolt that measured 2-23/32"
General Application / Compatibility
- MerCruiser & OMC GM 2.5L 4cyl 120hp 153CID applications roughly 1972-1986 (For MerCruiser applications Serial Number 1951140 & Up)
- Freshwater Used Parts
- Overall Good Condition!
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