Exhaust Tube Bellow MerCruiser #1 MR Alpha One & Gen II Bravo 78458A1, 18-2760
Exhaust Tube Bellow MerCruiser #1 MR Alpha One & Gen II Bravo 78458A1, 18-2760
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Exhaust Tube Bellow for MerCruiser
This exhaust tube bellows is a direct replacement for MerCruiser Alpha One and Gen II Bravo drives, OEM cross-reference numbers 78458A1 and 18-2760.
Overview
The exhaust tube bellows for MerCruiser is a critical component in the cooling and exhaust system of your marine engine. This exhaust tube bellows seals the exhaust pipe connection to the drive unit, preventing water leaks and ensuring proper exhaust flow. Designed for MerCruiser Alpha One and Gen II Bravo drives, this replacement part restores original performance.
Built For Performance
- Constructed from high-quality rubber resistant to heat, ozone, and corrosion
- Precise fit for MerCruiser Alpha One and Gen II Bravo drives
- Meets OEM specifications for reliable sealing
- Flexible design accommodates drive movement without cracking
- Easy to install with standard marine tools
Fits These Machines
- for MerCruiser Alpha One
- for MerCruiser Gen II Bravo
On-The-Job Use
- Marine exhaust system sealing between engine and drive unit
- Replaces worn bellows to prevent water intrusion
- Used on inboard/outboard boats with MerCruiser sterndrives
- Ensures proper exhaust gas routing and cooling water flow
Specs At A Glance
| Part Number(s) | 78458A1, 18-2760 |
| Material | Rubber |
| Application | MerCruiser Alpha One and Gen II Bravo |
Good To Know
Q: Does this bellows fit all MerCruiser drives? A: This bellows is specifically designed for Alpha One and Gen II Bravo drives; check serial number for compatibility.
Q: How do I install this exhaust tube bellows? A: Installation involves disconnecting the drive unit and replacing the old bellows; consult a service manual for your specific model.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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