OMC 379957 0379957 4.3L 5.0L 5.7L Exhaust Manifold Block Water Drain Petcock 4pc Intakes --> These are a NOS

--> These are a NOS new set of gears

3L cylinder heads as they are not the same

Likely GLM 22010 or Sierra 18-2177

0L & 350 5

The gear set here is MerCruiser 43-59831 & 43-59832 > 43-59832A2

OMC 379957 0379957 4.3L 5.0L 5.7L Exhaust Manifold Block Water Drain Petcock 4pc Intakes --> These are a NOSPart Number(s) Included OMC 379957 0379957 Water Drain Petcock (1 4" NPT) Set of 4 as pictured General Application Compatibility Numerous OMC Sterndrive applications 1981 1993 I. E. 120hp,140hp,165hp, 170hp 175,190,225,235 & 245 260 305 350 2. 5L 3. 0L 3. 8L V6 4. 3L 5. 0L 5. 7L V8 400 800 etc. Other Details Freshwater Used Parts Purchase with confidence!