This SEI Marine Bellows Repair Kit (With Ridge) is designed for Mercruiser Alpha One Gen I sterndrives (1972–1991), including R and MR models equipped with exhaust bellows.
The kit replaces OEM part number 30-803097T1 and includes all necessary components to restore proper sealing and flexibility between the transom assembly and the drive unit.
Durable, marine-grade rubber construction ensures excellent resistance to heat, oil, and water exposure for long service life.
Product Features
- Manufacturer: SEI Marine
- Application: Mercruiser Alpha One Gen I (1972–1991)
- Fits: R, MR, and Alpha 1 drives with exhaust bellows
- OEM Part Number: 30-803097T1
- Includes: Complete bellows repair kit (with ridge design)
- Material: Reinforced, oil- and heat-resistant rubber for extended durability
- Design: Ridge-style bellows for secure fit and vibration absorption
- Condition: Brand-new SEI Marine replacement kit
- Warranty: 3-Year Fault-Free Warranty
Additional Information
This kit is compatible with SE106 sterndrive units and is ideal for preventive maintenance or transom resealing.
The ridge-style design provides a snug fit that reduces noise and movement under load.
Ensure proper alignment during installation for optimal sealing and performance.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
You will receive an email and a PayPal money request for the additional shipping charges at the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For questions or compatibility confirmation, please contact customerservice@marinepartswarehouse.com .
Include your engine model number to help verify fitment before ordering.