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Lower Unit Gearcase Seal Kit 3855275 18-2598 for Volvo Penta OMC Cobra SX

Lower Unit Gearcase Seal Kit 3855275 18-2598 for Volvo Penta OMC Cobra SX

$48.39
Sale price  $48.39 Regular price 
SKU: IR2Y01069 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
  • Volvo Penta SX outdrives
  • OMC Cobra SX outdrives
  • Models using OEM part numbers 3855275 and 18-2598
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Product Overview

This lower unit gearcase seal kit provides all necessary seals to prevent water intrusion and lubricant leakage in Volvo Penta, OMC, and Cobra SX outdrives. Designed to replace worn seals during gearcase service, it restores the integrity of the lower unit assembly for reliable marine performance.

Key Features & Performance

  • Includes all required seals for a complete lower unit reseal
  • Direct-fit replacement for Volvo Penta, OMC, and Cobra SX applications
  • Manufactured from high-quality materials for long-lasting durability in marine environments
  • Matches OEM part numbers 3855275 and 18-2598 for guaranteed compatibility
  • Eliminates leaks and protects internal gearcase components

Common Uses

  • Replacing worn seals during lower unit gearcase overhaul
  • Preventing water ingress and oil leaks in marine outdrives
  • Regular maintenance of Volvo Penta and OMC stern drive systems

Technical Specifications

  • Part Number(s): 3855275, 18-2598
  • Product Type: Lower Unit Gearcase Seal Kit

Frequently Asked Questions

Q: Is this seal kit compatible with my Volvo Penta SX outdrive? A: This seal kit is designed specifically for Volvo Penta, OMC, and Cobra SX outdrives that use OEM part numbers 3855275 and 18-2598. Verify your drive model before purchase.

Q: Are all necessary seals included in this kit? A: Yes, the kit includes all seals required for a complete lower unit gearcase reseal, including input shaft seals and output shaft seals as applicable.

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

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