This is a BRAND NEW marine cylinder head for all 3.0L/181 marine engines comprised of 1991-more recent. That is an oem replacement cylinder head for Mercruiser, Volvo Penta, OMC, and GM marine 3.0L engines used between the years 1991-more recent. This cylinder head has the smaller HO exhaust ports unlike the older pre-1991 cylinder heads. You’ll use this head to switch the older heads, then again, an adapter kit can be required.
Specifications:
- Complete with valves and springs
- Replaces casting #’s: 744, 620
- Direct replacement for 3.0L marine engines years 1991-newer
Ensure this fits by entering your model number.
New aftermarket complete cylinder head with valves and comes.
Replaces Mercruiser Volvo Penta, OMC, Marine Power, GM Marine 3.0L years 1991-more recent
Replaces Mercruiser part numbers 938-8M0115135, 809891, 810849
Replaces Volvo Penta part number 3854012
Replaces GM part number 10140599