This listing is for a Remanufactured OBR Mercury/Mariner 300-400 HP 6-Cylinder Verado Heavy Duty (5.44″ Hub) 1.75:1 Ratio Gearcase, which will fit the following models from 2005 to 2020:

• 20″ (L) Standard Rotation models
• 25″ (XL) Standard Rotation models
• 30″ (XXL) Standard Rotation models

Units have a 1 ” Propshaft.

Before ordering, please select the appropriate model from the list above and check for any price adjustments.

As part of the remanufacturing process, all seals, bearings, and gears will be replaced with new parts. Water Pump is not included, but can be purchased HERE.

A Limited One-Year Warranty is included in the order. An additional Twelve-Month Extended Warranty is available for $540. Please read the terms of OBR’s New & Remanufactured Parts Warranty at %%GLOBAL_ShopPathSSL%%/obr-red-rhino-new-and-remanufactured-parts-warranty/.

There is no additional core charge. A core return label will be sent with the replacement gearcase, at which point the original gearcase can be returned for inspection. If the core passes inspection, a refund check of up to $125 will be issued to the buyer; otherwise, the core will be scrapped and not returned.

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 [email protected]. Please provide your engine model number to help confirm compatibility.