OEM MerCruiser 4.3L V6 Cylinder Head 12557113 GM Marine Cast Iron Head Assembly
Genuine OEM Mercury MerCruiser 4.3L V6 cast iron cylinder head, casting/part number 12557113, removed from a GM-based MerCruiser 4.3L V6 marine engine. This complete used cylinder head includes the installed intake and exhaust valves, valve springs, retainers, valve locks, and spark plugs exactly as shown.
Commonly used on many MerCruiser Alpha One and Bravo sterndrive applications equipped with the GM 4.3L V6 marine engine. This cylinder head is an excellent replacement for a damaged original or as a rebuildable core.
The head has not been pressure tested, resurfaced, or rebuilt. It shows normal signs of freshwater marine use including carbon buildup in the combustion chambers, surface rust in the coolant passages and exhaust ports, gasket residue, oxidation, and cosmetic wear consistent with previous operation. Buyers should inspect and service the head as needed prior to installation.
Please review all photos carefully and verify compatibility using the casting number, engine serial number, and application before purchasing.
Sold exactly as pictured.
Features & Highlights:
- Genuine OEM Mercury MerCruiser Component
- Cast Iron Cylinder Head Assembly
- Casting / Part Number 12557113
- Fits Select GM-Based MerCruiser 4.3L V6 Marine Engines
- Intake & Exhaust Valves Installed
- Valve Springs, Retainers & Locks Included
- Spark Plugs Included
- Freshwater Take-Off
- Ideal for Replacement or Engine Rebuild
- Sold Exactly As Pictured
Specifications:
- Brand: Mercury MerCruiser
- Part Number / Casting Number: 12557113
- Component: Cylinder Head Assembly
- Engine Compatibility: GM-Based MerCruiser 4.3L V6 (verify by casting number and engine serial number)
- Material: Cast Iron
- Condition: Used
- Freshwater Use: Yes
Dealer Sale – Sunset Marine TX LLC
SKU: 10592