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78458A1 Exhaust Tube Bellow for MerCruiser #1 MR Alpha One Gen II Bravo 182760

78458A1 Exhaust Tube Bellow for MerCruiser #1 MR Alpha One Gen II Bravo 182760

$43.99
Sale price  $43.99 Regular price 
SKU: IR2Y00999 Brand: Northline Parts

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Equipment Fitment

Review the equipment and model information below. Fitment can vary by serial number, production date, or machine configuration, so confirm your model and reference numbers before ordering.

Equipment / model
  • MerCruiser Alpha One outdrives
  • MerCruiser Gen II Bravo outdrives
  • MerCruiser #1 MR outdrives
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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

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.

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