Restore your engine’s performance with confidence with our comprehensive WSM Powerhead Rebuild Kit engineered to meet or exceed OEM standards. Designed for Mercury and Mariner 15-25 HP 2-Cylinder outboards with Mercosil blocks (1994 or newer) and 2.562 bore size, this kit provides everything you need to overhaul your powerhead in one convenient package.
Built around precision-cast WSM pistons and premium-quality internal components, this rebuild kit ensures reliability, durability, and smoother engine operation on the water.
Available for standard-size pistons or a range of oversized options (.020, .030, and .040), this kit offers a perfect fit for your specific rebuilding needs. Please specify your desired size when ordering.
Compatible with Mercury & Mariner:
- 15hp 1994-1997
- 20hp 1994-2006
- 25hp 1994-2006
The Kit Contains:
- 2x Pistons (complete with rings, pins, and clips)
- 1x Gasket Kit
- 3x Main Bearings (1 upper, 1 center, 1 lower)
- 4x Rod Bearings (2 upper, 2 lower)
- 4x Rod Bolts
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.
