Transom Seal Service Bellows Kit – Fits MerCruiser R, MR Alpha One Gen 1, Alpha One SS (Replaces MerCruiser 30-803097T1, Sierra 18-8213) 35-50HP or stiff/brittle blades on the

or stiff/brittle blades on the impeller itself during inspection

What is the difference between this housing and the OEM version

provides superior protection in freshwater environments What’s in the Box

Please refer to the "What's in the Box" section and product images to confirm what is included with the model you select

When installing the impeller into the pump housing

Transom Seal Service Bellows Kit – Fits MerCruiser R, MR Alpha One Gen 1, Alpha One SS (Replaces MerCruiser 30-803097T1, Sierra 18-8213) 35-50HP or stiff/brittle blades on theProduct Details This Transom Seal Service Bellows Kit Fits MerCruiser Alpha One Gen 1, R, MR is a comprehensive aftermarket solution for MerCruiser R, MR, and Alpha One Gen 1 sterndrives (19831991) with serial numbers 6225577 and up. It also fits Alpha One SS models from 19861989 with serial numbers 0A545004 and up. It serves as a direct replacement for MerCruiser part 30 803097T1, Sierra 18 8213 18 2601 1, and Mallory 9 72902, providing all necessary