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 When installing the impeller into

When installing the impeller into the pump housing

and XRmarine Sport-300

E50DPLSRC 50 2-Stroke 2004–2005 5000308 Johnson J55APRLSOM

or stiff/brittle blades on the impeller itself during inspection

it is recommended to replace the water pump impeller every 100 hours of operation or at least once per boating season

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 When installing the impeller intoProduct 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