Mercury 4 HP 2-Stroke Powerhead Assembly 815040T05

Mercury Powerhead Assembly 815040T05 is an OEM replacement powerhead for select Mercury and Mariner 4 HP 2-stroke outboards. Mercury identifies this assembly as PH 4 2S, distinguishing it as the 4 HP version within the portable 2-stroke engine family.

Compatible with the following:

• Mercury 4 HP 2-stroke
• Mariner 4 HP 2-stroke
• Select portable 4 HP carbureted applications

This is the complete powerhead assembly intended for major engine repair or replacement. It provides the core engine assembly rather than an individual cylinder block or internal component.

Because Mercury produced multiple versions of its portable 4 HP engines over the years, confirm the engine serial number before ordering.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.

Replaces / supersedes Mercury part numbers: 19252, 815040, 8150401, 815040A1, 815040T03, 815040T04, 815040T1.