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Sierra 18-2644 Mercruiser 26-88397A1 Upper Unit Seal Kit
Sierra 18-2644 Mercruiser 26-88397A1 Upper Unit Seal Kit
Sierra 18-2644 Mercruiser 26-88397A1 Upper Unit Seal Kit
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Aftermarket Mercruiser 26-88397A1 Upper Unit Seal Kit

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Aftermarket Mercruiser 26-88397A1 Upper Unit Seal KitThe Sierra 18-2644 Seal Kit contains the seals required when dismantling and resealing the applicable assem…
SKU: S-18-2644
UPC: 030999875211
Condition: New
$58.60
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Aftermarket Mercruiser 26-88397A1 Upper Unit Seal Kit

$58.60
Product Details  

Aftermarket Mercruiser 26-88397A1 Upper Unit Seal Kit

The Sierra 18-2644 Seal Kit contains the seals required when dismantling and resealing the applicable assembly in Mercruiser applications. It replaces Mercruiser 26-88397A1.

Mercruiser Fitment

Suits Mercruiser drives:

Alpha One Gen II

Technical Specifications

  • Brand: Sierra Marine
  • Sierra Part Number: 18-2644
  • Product Type: Seal Kit
  • Application: Mercruiser

Kit Contents

  • Seal
  • Drain Screw Gasket - Sierra 18-2430-9
  • Drain Screw Gasket - Sierra 18-2945-9
  • Seal Ring - Sierra 18-2944-9
  • O-Ring - Sierra 18-7169-9
  • O-Ring - Sierra 18-7161-9
  • O-Ring - Sierra 18-7153-9
  • O-Ring - Sierra 18-7420-9
  • O-Ring - Sierra 18-7117
  • Check Valve Kit - Sierra 18-2715
  • Oil Seal - Sierra 18-2003
  • Oil Seal - Sierra 18-2056
  • Double Lip Seal - Sierra 18-3289

Cross References & Alternative Products

Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.

Frequently Asked Questions

What is Sierra 18-2644?
Sierra 18-2644 is an aftermarket seal kit for Mercruiser applications.

Which part numbers cross-reference Sierra 18-2644?
This listing cross-references Mercruiser 26-88397A1. See the Cross References & Alternative Products section above for linked alternatives where available.

How can I check whether Sierra 18-2644 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.

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