Aftermarket 5.7L 6.2L Vortec Cylinder Head 8M0188302 3856929

New aftermarket Vortec cylinder head for selected 1996-on GM-based 5.7 L and 6.2 L marine V8 engines. The supplier specifies an assembled head with valves and springs, replacing MerCruiser 8M0188302 and Volvo Penta 3856929.

Key Features

• New aftermarket marine Vortec cylinder head
• Supplied with valves and springs
• For compatible 5.7 L / 350 and 6.2 L V8 applications
• Eight-bolt Vortec intake-manifold pattern
• Replacement for the listed MerCruiser and Volvo Penta references

Technical Specs

• Engine family: GM Vortec small-block V8 marine
• Displacement applications: 5.7 L and selected 6.2 L
• Production family: 1996-on
• Intake attachment: 8-bolt Vortec pattern
• Included: valves and springs
• Supplier SKU: RM5.7CH
• Condition: new aftermarket replacement

Compatibility / Fitment Guide

For selected 1996-on GM Vortec marine V8 engines used by MerCruiser, Volvo Penta, OMC and Indmar where 8M0188302 or 3856929 is specified. Confirm engine serial number, cylinder-head casting, chamber and port configuration, eight-bolt intake pattern and valve-cover arrangement before ordering. A V8 engine requires two heads; this listing is for one unless quantity is increased.

Part Number Cross Reference

• MerCruiser: 8M0188302
• MerCruiser: 8M0115137
• MerCruiser: 803860T
• Volvo Penta / OMC: 3856929
• Common casting references: 10239906 / 12558062
• Supplier SKU: RM5.7CH

Frequently Asked Questions

Is this a genuine MerCruiser or Volvo Penta head?
No. It is a new aftermarket marine replacement.

Are valves and springs included?
Yes. The supplier states that the head is supplied with valves and springs.

How many heads are supplied?
One cylinder head is supplied per unit ordered.

Will it fit every 5.7 L marine V8?
No. It is for the specified Vortec family; confirm the casting, intake pattern and OEM reference.