New OBR / Mercury 2001-2023 40/50/60 HP Bigfoot 4-Cylinder 4-Stroke Gearcase

This listing is for a New OBR Mercury 40/50/60 HP Bigfoot 4-Cylinder 4-Stroke Lower Unit, which is available in two driveshaft lengths L (20) and XL (25).

• 20″ shaft 2001-2007 [Core $50]
• 25″ shaft 2001-2007 [Core $50]
• 20″ shaft 2008-2023 [Core $50]
• 25″ shaft 2008-2023 [Core $50]

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

The new OBR lower unit is designed to fit Mercury 40, 50, and 60 HP Bigfoot 4-cylinder 4-stroke outboard motors from model years 2001 to 2023. The gearcase is engineered to provide a reliable and smooth boating experience.

• Assembled with a combination of new OEM and aftermarket parts
• Utilizes American steel for gears and shafts.

A Limited One-Year Warranty is included in the order. An additional Twelve-Month Extended Warranty is available for $440. Please read the terms of OBR’s New & Remanufactured Parts Warranty at https://www.obparts.com/obr-red-rhino-new-and-remanufactured-parts-warranty/. Water Pump is not included, but can be purchased HERE.