New SEI / Mercury 1979-2018 150, 175, 200 HP 2.0/2.4/2.5L Gearcase

Restore optimal performance of your Mercury V6 outboard with the New SEI / Mercury 1979-2018 150, 165, 200 HP 2.0/2.4/2.5L Gearcase. Built with a durable plastic water pump and a standard 4 ¾” bullet, this is a direct replacement of standard lower units. The complete gearcase assembly is a cost effective alternative to OEM and offers dependable performance for recreational boating and general marine use.

Key Features

• Fits Mercury V6 2.0L, 2.4L, 2.5L models (1979-2018)
• Back by 3-years warranty against manufacturing defects
• For 25” transom models, original long mounting studs must be reused or sourced separately.
• Older use a 5″ spacer between a standard 20″ midsection and the lower unit and therefore used longer mounting studs

The New SEI Gearcase is compatible with models using anodes located above the cavitation plates. Moreover, it is not intended for Sport Master, Torque Master, CLE and other high-performance applications.

This unit comes with a three-year fault-free warranty. For further details, please see the complete warranty at https://www.obparts.com/sei-marine-parts-warranty-policy/.

If you have any questions about whether this lower unit will work for your motor or gear ratio, please send us an email with your engine model and serial number to customerservice@marinepartswarehouse.com.

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.)