Gear Service Kit for Mercruiser 1.84 1.81 1974-91 4.3L 3.7L 43-803114T1

Complete Driveshaft Housing Service kit for A Mercruiser R/MR/ And Alpha One, From 1974 to 1991. It has a 17-19 Tooth Count(1.84 Or 1.81) Ratio. Used mostly on V6 4.3L and Inline 4 3.7 Liter engines. Does not fit Gen 2 Drives. A Gen 2 drive can be identified by having a stainless steel pump housing or small plastic trim bushings This kit Contains All Of the Necessary Gaskets, O-Rings, Seals, Bearings, Shims, Drive Gear, And Driven Gear. Do A Complete Service. This Item Replaces Mercury Quicksilver # 43-803114T1.