Mercury Outboard O-Rings & Seals

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Parts Selection Guide

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Prop Selection Guide

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      • Mercury - Mercruiser 8M0082880 Drain Plug Seal
        $4.79
        $3.99

        Mercury - Mercruiser 8M0082880 Drain Plug Seal  Genuine OEM Mercury-Mercruiser part. Replacement drain plug seal kit for Mercury EFI 2-stroke outboards. Fits: 9.9 HP EFI 2-Cycle - s/n 1R008146 & up 10 HP EFI, 15 HP EFI, 20 HP EFI 2-Cycle -...

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      • Sierra 18-7116 O-Ring Replaces 25-62704
        $0.99
        $0.78

        Sierra 18-7116 O-Ring Replaces 25-62704 I.D.: 0.360" or 9.1mm Width: 0.100" or 2.5mm Interchangeable with: Chrysler/Force/US Marine 25-F24342 25-62704 GLM 81100 Johnson/Evinrude...

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      • Sierra 18-7160 O-Ring
        $0.89
        $0.67

        Sierra 18-7160 O-Ring I.D.: 2.635" or 67mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83340 Mallory 9-76545 Mercruiser Stern Drive 25-31986 Mercury Marine 25-31986 Superseded to 18-7160-9

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      • Sierra 18-7173 O-Ring
        $2.49
        $1.99

        Sierra 18-7173 O-Ring I.D.: 1.875" or 47.6mm Width: 0.135" or 3.4mm Fits MCM/MIE GM V-6 & V-8 engine, for thermostat housing with flat cover plate Interchangeable with: Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard ...

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      • Sierra 18-7156 O-Ring
        $0.28
        $0.21

        Sierra 18-7156 O-Ring Sierra replacement O-Ring. I.D.: 1.185" or 30.1mm Width: 0.100" or 2.5mm Sold in intervals of 5 Interchangeable with: GLM 81230 Johnson/Evinrude Outboard 309731 Mercruiser Stern Drive 25-29439 Mercury...

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      • Sierra 18-7158 O-Ring Replaces 25-30613
        $0.28
        $0.21

        Sierra 18-7158 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. I.D.: 0.740" Width: 0.100" Interchangeable with: GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser...

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      • Sierra 18-7157 O-Ring
        $4.99
        $3.49

        Sierra 18-7157 O-Ring I.D.: 3.500" or 88.9mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83410 Mallory 9-76542 Mercruiser Stern Drive 25-29976 Mercury Marine 25-29976

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      • Sierra 18-7198 O-Ring
        $2.49
        $1.99

        Sierra 18-7198 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Honda Outboards, Mercruiser Stern Drives, Mercury Marine and OMC Stern Drives. Package of 5. I.D.: 1.430" Width: 0...

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      • Sierra 18-7162 O-Ring
        $2.99
        $1.99

        Sierra 18-7162 O-Ring I.D.: 2.025" or 51.4mm Width: 0.135" or 3.4mm Interchangeable with: Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern...

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      • Sierra 18-7164 O-Ring
        $0.33
        $0.25

        Sierra 18-7164 O-Ring I.D.: 1.375" or 35mm Width: 0.100" or 2.5mm Interchangeable with: GLM 81260 Johnson/Evinrude Outboard 302537 Mercruiser Stern Drive 27-898101789 25-846356 25-67675 25-33466 Mercury Marine 25-33466 25-67675 25-846356

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      • Sierra 18-7440-1-9 O-Ring (Priced Per Pkg Of 2)
        $3.49
        $2.99

        Sierra 18-7440-1-9 O-Ring (Pkg Of 2) Sierra replacement O-ring. I.D.: 0.799" or 20.3mm Width: 0.103" or 2.6mm Package of 2 Interchangeable with: GLM 81170 Johnson/Evinrude Outboard 301967 Mallory 9-76574 Mercruiser Stern...

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