OEM MerCruiser 5.7L 350 MAG MPI Cylinder Head 10239906 Complete w/ Rockers
Genuine OEM Mercury MerCruiser cast iron cylinder head, casting number 10239906, removed from a 5.7L 350 MAG MPI freshwater marine engine.
This is a complete used cylinder head assembly and includes the installed valves, valve springs, retainers, rocker arms, rocker studs, guide plates, and related valvetrain components exactly as pictured.
Ideal for use as a replacement cylinder head, rebuildable assembly, or spare for a compatible MerCruiser 5.7L marine engine.
Highlights
- Genuine OEM Mercury MerCruiser
- Casting Number: 10239906
- Removed from a 5.7L / 350 MAG MPI
- Freshwater-Operated Engine
- Cast Iron Cylinder Head
- Complete Assembly as Pictured
- Valves Included
- Valve Springs & Retainers Included
- Rocker Arms Included
- Rocker Studs Included
- Guide Plates Included
- Used OEM Replacement / Rebuild Candidate
- Sold Exactly as Pictured
Condition
Good overall used OEM condition with normal wear consistent with age and previous marine use.
The head shows surface oxidation, rust staining, carbon buildup, paint loss, and other cosmetic wear typical of a used cast-iron marine cylinder head.
No obvious external cracks, broken mounting areas, or major visible damage are apparent from the photos.
This is a used cylinder head and has not been represented as freshly rebuilt or machined. Professional inspection, pressure testing, valve inspection, and resurfacing are recommended prior to installation.
Please review all photos carefully for the exact condition and components included.
Specifications
Manufacturer: Mercury MerCruiser
Part Type: Cylinder Head Assembly
Casting Number: 10239906
Engine Application: 5.7L / 350 MAG MPI
Material: Cast Iron
Fuel Type: Gasoline
Condition: Used OEM
Previous Use: Freshwater
Compatibility
Suitable for compatible Mercury MerCruiser 5.7L / 350 MAG MPI marine engine applications using cylinder head casting 10239906.
Buyer should verify casting number, engine serial number, combustion chamber configuration, valve configuration, intake/exhaust mounting, and all other specifications before purchasing.
Dealer Sale – Sunset Marine TX LLC
SKU: 10706