Mercury 9011G90 4-Stroke Gearcase Assembly 2.33:1 20″ Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Stroke engines. Fits:Mercury 4060 hp Bigfoot 4Stroke Outboards. (s/n 1C033810 & Below Bigfoot) Specifications: Color: Black Shaft Length: 20″ long Pinion Teeth: 12 Special Order Mercury Marine Information:Additional Handling Time: Item transfers from an alternate warehouse requires an additional 13 business days to ship.Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.Verify Fitment Before Ordering: Please confirm compatibility with your engine model.