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Aftermarket Mercury Outboard 26-816575A4 Lower Unit Seal Kit

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Aftermarket Mercury Outboard 26-816575A4 Lower Unit Seal KitThe Sierra 18-8382 Lower Unit Seal Kit contains the seals required when dismantling and resealing th…
SKU: S-18-8382
Condition: New
mfg_code: 18-8382
$75.66

Aftermarket Mercury Outboard 26-816575A4 Lower Unit Seal Kit

$75.66

Aftermarket Mercury Outboard 26-816575A4 Lower Unit Seal Kit

The Sierra 18-8382 Lower Unit Seal Kit contains the seals required when dismantling and resealing the lower unit or gearcase in Mercury applications. It replaces Mercury 26-816575A4.

For: 225Hp Optimax DFI (G590000-G960499), 225Hp (D280813-G437999), Models w/ "C-3 Casting"

Technical Specifications

  • Brand: Sierra Marine
  • Sierra Part Number: 18-8382
  • Product Type: Lower Unit Seal Kit
  • Application: Mercury Outboard

Mercury Outboard Suitability

225Hp EFI/250Hp EFI (G129222 & Up), 200Hp (T801000 & Up), 200Hp Optimax DFI (G386496 & Up)

225Hp Optimax DFI (G590000-G960499), 225Hp (D280813-G437999), Models w/ "C-3 Casting"

Kit Contents

  • Face Seal V-Ring - Mercury 8M0110938
  • O-Ring .796 x .139 - Mercury 25-21836
  • O-Ring 1.046 x .139 - Mercury 25-35027
  • O-Ring .799 x .103 (Qty 2) - Mercury 25-896522
  • O-Ring 3.850 x .210 - Mercury 25-8M0110939
  • O-Ring 2.175 x .103 - Mercury 25-8M0110940
  • Oil Seal - Mercury 26-14077
  • Oil Seal (Qty 2) - Mercury 26-66302
  • Oil Seal - Mercury 26-76868
  • Oil Seal - Mercury 26-8164641
  • Drain Plug Seal - Mercury 26-830749
  • Upper Water Pump Gasket - Mercury 27-8172771
  • Shift Shaft Cover Gasket - Mercury 27-858935
  • Faceplate To Gearcase Gasket - Mercury 27-8M0142162

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 18-8382?
Sierra 18-8382 is an aftermarket lower unit seal kit for Mercury Outboard applications.

Which part numbers cross-reference Sierra 18-8382?
This listing cross-references Mercury 816575A4, Mallory 9-74208 and Mercury 26-816575A4. See the Cross References & Alternative Products section above for linked alternatives where available.

How can I check whether Sierra 18-8382 fits my Mercury Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.

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