This SEI Marine Bellows Repair Kit is a complete transom seal kit for Mercruiser Bravo I, Bravo II, and Bravo III sterndrives (1982–Present).
It replaces OEM part number 30-803100T1 and includes everything needed to restore proper sealing, prevent water intrusion, and maintain driveline alignment.
Each component is manufactured to OEM-equivalent standards using marine-grade materials for long-term durability and reliability.
Product Features
- Manufacturer: SEI Marine
- Application: Mercruiser Bravo I, Bravo II, Bravo III
- Fitment Range: 1982–Present
- OEM Replacement #: 30-803100T1
- Kit Components:
- U-joint bellows
- Exhaust bellows
- Shift bellows
- Gimbal bearing
- Bellows clamps
- Water inlet hose
- Mounting gasket
- O-rings
- Condition: Brand-new SEI Marine complete bellows repair kit
- Quality: OEM-equivalent materials and fitment
- Warranty: 3-Year Fault-Free Warranty
Additional Information
This complete transom service kit fits all Bravo-series sterndrives from 1982 to present, making it suitable for major sealing repairs or full bellows replacement.
All components are engineered for a watertight fit and reliable performance in harsh marine conditions.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
A PayPal money request for additional charges will be sent to the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For fitment assistance, please contact customerservice@marinepartswarehouse.com.
Include your engine model number to confirm compatibility before ordering.