Upper Unit Seal Kit 

Additional Details:

  • For: #1 Units (including Alpha)(Also fits 888 stern drive)

Interchanges/Replaces

GLM

  • 87500

Mallory

  • 9-74303

Mercruiser Stern Drive

  • 26-32511A1
  • 26-32511B1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0894GLM
  • 31150
Mallory
  • 9-60037
Mercruiser Stern Drive
  • 27-55810
  • 27-558101
1Water Pocket Cover Gasket N/A
18-2003GLM
  • 85030
Mallory
  • 9-76102
Mercruiser Stern Drive
  • 26-32080
  • 26-36054
  • 26-68493
  • 26-823894
  • 26-823894B
1Oil Seal N/A
18-2049GLM
  • 85020
Mallory
  • 9-76111
Mercruiser Stern Drive
  • 26-32511
1Oil Seal N/A
18-2056Chrysler/Force/US Marine
  • 26-66302
GLM
  • 85060
Mallory
  • 9-76130
Mercruiser Stern Drive
  • 26-37259
  • 26-89237
  • 26-96503
  • 26-965031
Mercury Marine
  • 26-56394
  • 26-66302
1Oil Seal N/A
18-2944GLM
  • 85140
Mallory
  • 9-76512
Mercruiser Stern Drive
  • 26-45577
  • 26-455771
  • 26-45577B
  • 26-45577B1
1Seal Ring 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
2Drain Screw Gasket N/A
18-3110GLM
  • 12830
Mallory
  • 9-43604
Mercruiser Stern Drive
  • 26-38970
Mercury Marine
  • 26-29677
  • 26-36557A1
  • 26-38970
1Water Pump Housing Bushing N/A
18-7153GLM
  • 81180
Mallory
  • 9-76505
Mercruiser Stern Drive
  • 25-25439
Mercury Marine
  • 25-25439
Mercury Race Outboard
  • 25-25439
Mercury Race Sterndrive
  • 25-25439
OMC Stern Drive
  • 3852565
  • 911851
Volvo Penta
  • 3852565
  • 997368
2O-Ring N/A
18-7161GLM
  • 80420
Mallory
  • 9-76546
Mercruiser Stern Drive
  • 25-32546
Mercury Marine
  • 25-32546
1O-Ring N/A
18-7169Chrysler/Force/US Marine
  • 25-F24278
GLM
  • 82380
Mallory
  • 9-76551
Mercruiser Stern Drive
  • 25-35984
  • 25-70937
OMC Stern Drive
  • 911686
1O-Ring N/A
18-7445GLM
  • 80190
Mallory
  • 9-76568
Mercruiser Stern Drive
  • 25-55801
1O-Ring N/A
18-0521GLM
  • 85150
Mercruiser Stern Drive
  • 26-36557
Mercury Marine
  • 26-36557
1Water Tube Rubber Seal N/A
MSRP: $26.95
Your Price: $24.99
You Save: 7% off MSRP!

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