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Exhaust Bellows for MerCruiser Alpha 1 Gen II Bravo 18654A1 32734A3 18-2750

Exhaust Bellows for MerCruiser Alpha 1 Gen II Bravo 18654A1 32734A3 18-2750

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$39.59
Sale price  $39.59 Regular price 

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This Exhaust Bellows is a direct replacement for MerCruiser Alpha 1 Gen II and Bravo sterndrives and matches OEM Part# 18654A1, 32734A3, and 18-2750.
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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 bellows is designed to replace worn or damaged bellows on MerCruiser Alpha 1 Gen II and Bravo outdrives, ensuring proper sealing of the exhaust system. The bellows prevents water from entering the drive and exhaust gases from leaking, maintaining engine performance and safety. Ideal for boat owners and marine mechanics performing routine sterndrive maintenance.

Key Features & Performance

  • Constructed from high-quality rubber compound for flexibility and durability
  • Direct replacement for OEM part numbers 18654A1, 32734A3, and 18-2750
  • Resists saltwater, oil, and temperature extremes for long service life
  • Designed to fit Alpha 1 Gen II and Bravo series drives without modification
  • Includes all necessary hardware for a secure installation

Fitment & Compatibility

  • MerCruiser Alpha 1 Gen II sterndrives
  • MerCruiser Bravo series (Bravo One, Two, Three) sterndrives

Common Uses

  • Replacing cracked, torn, or leaking exhaust bellows during routine maintenance
  • Restoring exhaust seal integrity after sterndrive removal and reinstallation
  • Winterizing or overhauling MerCruiser Alpha and Bravo drives

Technical Specifications

  • Part Number(s): 18654A1, 32734A3, 18-2750

Frequently Asked Questions

Q: Is this bellows the same as the OEM part? A: Yes, it is manufactured to OEM specifications and directly replaces the original MerCruiser exhaust bellows.

Q: Can this bellows be used on both Alpha and Bravo drives? A: This bellows fits Alpha 1 Gen II and all Bravo series drives as listed in the fitment section.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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