Lower Unit Seal Kit 

Interchanges/Replaces

GLM

  • 87573

Mercury Marine

  • 26-66303A1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0595Mercury Marine
  • 26-66303
2Oil Seal N/A
18-2004Mercury Marine
  • 26-20070
Mercury Race Outboard
  • 26-20070
2Oil Seal N/A
18-2006GLM
  • 85330
Mercury Marine
  • 26-33467
  • 26-897154
1Oil Seal N/A
18-2019GLM
  • 85100
Mercury Marine
  • 26-26805
  • 26-27163
1Oil Seal N/A
18-2827GLM
  • 31090
Mercury Marine
  • 27-39623
  • 27-396231
1Upper Face Plate Gasket N/A
18-2828GLM
  • 31200
Mercury Marine
  • 27-39625
1Lower Water Pump Gasket N/A
18-2945Chrysler/Force/US Marine
  • 12-19183
  • F50556
  • F8077
  • F8186
Johnson/Evinrude Outboard
  • 307552
Mallory
  • 9-60101
  • 9-60102
Mercruiser Stern Drive
  • 12-19183
  • 12-191832
  • 12-191833
  • 12-19183B
  • 12-20260
  • 12-20260B
Mercury Marine
  • 12-19183
  • 12-191832
  • 12-191833
  • 12-20260
1Drain Screw Gasket N/A
18-4261GLM
  • 31330
Mallory
  • 9-78002
Mercury Marine
  • 12-20262
  • 19643
Mercury Race Outboard
  • 12-20262
1Washer N/A
18-7120Chrysler/Force/US Marine
  • 25-25007
  • 25-38933
  • 25-F498618
  • 26-817469
  • 27-843672
  • F498619
GLM
  • 80090
Johnson/Evinrude Outboard
  • 307853
Mallory
  • 9-76526
Mercury Marine
  • 25-38933
Mercury Sport Jet
  • 25-38933
OMC Stern Drive
  • 307853
  • 332598
1O-Ring N/A
18-7163GLM
  • 81430
Mercruiser Stern Drive
  • 25-33465
  • 25-807149
  • 25-853220
Mercury Marine
  • 25-33465
1O-Ring N/A
18-7164GLM
  • 81260
Johnson/Evinrude Outboard
  • 302537
Mercruiser Stern Drive
  • 25-33466
  • 25-67675
  • 25-846356
  • 27-898101789
Mercury Marine
  • 25-33466
  • 25-67675
  • 25-846356
1O-Ring N/A
18-7180GLM
  • 45030
Johnson/Evinrude Outboard
  • 303347
Mallory
  • 9-76556
Mercruiser Stern Drive
  • 12-31060
  • 25-26802
  • 25-8M2000926
Mercury Marine
  • 25-26802
Volvo Penta
  • 3551570
  • 925055
  • 926032
2O-Ring N/A
NSSMercury Marine
  • 27-39626
1GasketNo ImageN/A
NSSMercury Marine
  • 1
0Water Tube SealNo ImageN/A
MSRP: $116.46
Your Price: $83.99
You Save: 28% off MSRP!

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