Gear Set 3.0L

Gear Set

12/21 or 1.75:1 Ratio

Includes Forward, Pinion & Reverse gears, shims, various orings and a new pinion nut.

Fits:

Mercury / Mariner

200hp 3.0L DFI with serial number OG438000-OT408999
225hp 3.0L Carb, EFI, DFI with serial number OG438000-OT408999
250hp 3.0L Carb, EFI, DFI with serial number OG438000-OT408999

May fit additional models to those listed above. Compare the oem part number of the part for your engine to those listed below.

OE 43-859321A3, 43-859322A1, 43-828168A2