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78458A1 Exhaust Tube Bellow for MerCruiser #1 MR Alpha One Gen II Bravo 182760
$43.99
Sale price
$43.99
Regular price
Available to Order
This Exhaust Tube Bellow is a replacement exhaust bellows for MerCruiser #1 MR Alpha One and Gen II Bravo outdrives, matching OEM Part # 78458A1 and 18-2760.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This exhaust tube bellow is a critical component for MerCruiser stern drive exhaust systems, designed to replace worn bellows on Alpha One, Gen II Bravo, and #1 MR outdrives. It prevents exhaust leaks and water intrusion, ensuring reliable engine performance for marine applications. The bellow matches OEM part numbers 78458A1 and 18-2760 for a direct fit.
Key Features & Performance
- Direct replacement for MerCruiser exhaust bellows
- Matches OEM part numbers 78458A1 and 18-2760
- Constructed from durable rubber to withstand marine conditions
- Flexible design accommodates drive movement
- Prevents exhaust gas leaks and water ingress
- Easy to install with basic tools
Fitment & Compatibility
- MerCruiser Alpha One outdrives
- MerCruiser Gen II Bravo outdrives
- MerCruiser #1 MR outdrives
Common Uses
- Replacing worn or cracked exhaust bellows
- Routine maintenance of MerCruiser stern drives
- Preventing water from entering the exhaust system
- Ensuring proper engine exhaust flow
Technical Specifications
- Part Number(s): 78458A1, 18-2760
Frequently Asked Questions
Q: Will this bellow fit my MerCruiser Alpha One Gen II? A: This bellow is compatible with Alpha One (including Gen II) and Gen II Bravo outdrives; verify your specific model before installation.
Q: How often should I replace the exhaust tube bellow? A: Inspect annually for cracks or brittleness; replace every 2-3 seasons or as needed to maintain a watertight seal.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.