Mercury Outboard Powerheads

Rebuilt replacement powerheads, long blocks, and short blocks for Mercury and Mariner outboards, from the 40-90HP 3 cylinder L3 up to the 3.0L V6 Optimax and Pro XS. Every powerhead is built by OBR Parts and Marine with all-new bearings, seals, rings, and pistons, and comes with a 2-year warranty.

Narrow it down: 3 Cylinder · 4 Cylinder · V6

Not sure which one fits? Email your model and serial number (from the tag on your transom bracket) to orders@hawkeyemarine.net or call 615-691-1433, and we'll confirm the right powerhead before you order.

Looking for another brand? See all outboard replacement powerheads.