Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803097T1 This Sierra bellows seal kit is designed for use with MerCruiser Alpha One Gen I drives. This bellows kit comes with a greasable gimbal bearing. Application Info R, MR, Alpha I (1983-1990) s/n 6225577 & Up, Alpha I SS (1986-1989) s/n 0A545004 & Up Frequently Asked Questions What is the Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit designed for? The Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit is designed for use with MerCruiser Alpha One Gen I drives. The kit includes a greasable heavy-duty gimbal bearing along with bellows, gaskets, hoses, a shift arm, and hose clamps for the specified application. Which MerCruiser drives does the Sierra 18-2601-1 Bellows Seal Kit fit? This kit is specified for R, MR, and Alpha I drives from 1983-1990 with serial number 6225577 and up. It also fits Alpha I SS drives from 1986-1989 with serial number 0A545004 and up. Verify the drive type, year, and serial number before purchase. What components are included in the Sierra 18-2601-1 Bellows Seal Kit? The kit includes a heavy-duty greasable gimbal bearing, shift arm, outdrive gasket set, exhaust bellows, U-joint bellows, two water intake hoses, shift cable bellows, one 1-1/16 to 2 hose clamp, and two 11/16 to 1/2 hose clamps. Does the Sierra 18-2601-1 Bellows Seal Kit include a greasable gimbal bearing? Yes. The Sierra 18-2601-1 Bellows Seal Kit includes one 18-2100 heavy-duty greasable gimbal bearing. The gimbal bearing is included as part of the complete kit for the specified MerCruiser Alpha One Gen I applications. What bellows are included in the Sierra 18-2601-1 Bellows Seal Kit? The kit includes one 18-2750 exhaust bellows, one 18-2751 U-joint bellows, and one 18-2753-2 shift cable bellows. It also includes an 18-2619-1 outdrive gasket set and two water intake hoses. What does the Sierra 18-2601-1 Bellows Seal Kit replace? The Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit replaces MerCruiser part number 803097T1. The supplied product description also lists Mallory 9-72902 as an interchangeable part number.