Mercury Outboard Powerhead Seals & O-Rings

      • Sierra 18-2016 Oil Seal Replaces 26-41953
        List Price: $10.99
        Starting At: $6.97

        Sierra 18-2016 Oil Seal for Mercury, and OMC Sierra high-quality engine parts are designed to meet OEM specifications. Shaft Size: 1.187" O.D. 1.875" Width 0.250" Interchangeable with: GLM 85010 Mallory 9-76100 Mercury...

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      • 18-7161
        List Price: $2.99
        Starting At: $1.66

        Sierra 18-7161 Lower End Cap O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. I.D.: 3.250" Width: 0.070" Interchangeable with: GLM 80420 Mallory 9-76546 Mercruiser Stern...

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      • Sierra 18-0515 Oil Seal
        List Price: $9.99
        Starting At: $6.09

        Oil Seal - Special Order est. 10 Days

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      • List Price: $4.49
        Starting At: $2.40

        Sierra 18-7167 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Johnson/Evinrude Outboards, Mercruiser Stern Drives, Mercury Marine, and OMC Stern Drive engines. I.D.: 3...

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      • Sierra 18-7459 O-Ring
        List Price: $2.99
        Starting At: $2.40

        O-Ring - Special Order est. 10 Days

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      • Sierra 18-7102 O-Ring Replaces 25-62706
        List Price: $1.70
        Starting At: $0.86

        Sierra 18-7102 O-Ring Replaces 25-62706 I.D.: 0.430" or 11mm Width: 0.065" or 1.7mm Interchangeable with: Chrysler/Force/US Marine 25-F468342 GLM 80130 Johnson/Evinrude Outboard 307450 Mallory 9-76520 Mercruiser Stern...

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      • Sierra 18-0523 Oil Seal
        List Price: $17.99
        Starting At: $8.92

        Sierra 18-0523 Oil Seal O.D.: 2.132" Shaft Size: 1.640" Width: 0.282" Interchangeable with: GLM 85090 Mercruiser Stern Drive 26-43993 Mercury Marine 26-43993

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      • Sierra 18-1752 Connecting Rod
        List Price: $227.99
        Starting At: $173.49

        Connecting Rod - Special Order est. 10 Days

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      • List Price: $1.89
        Starting At: $0.95

        Sierra 18-7151 O-Ring I.D.: 3.000" or 76.2mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82340 Mallory 9-76540 Mercruiser Stern Drive 25-39572 25-20081 Mercury Marine 25-20081 25-39572

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      • Sierra 18-7414 O-Ring
        List Price: $3.80
        Starting At: $1.92

        Sierra 18-7414 O-Ring I.D.: 1.989" or 50.5mm Width: 0.070" or 1.8mm Interchangeable with: GLM 80330 Mercury Marine 25-62384 25-64067 25-823683 Mercury Sport Jet 25-823683

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      • List Price: $5.10
        Starting At: $2.58

        Sierra 18-7415 O-Ring I.D.: 3.739" or 95mm Width: 0.070" or 1.8mm Interchangeable with: GLM 80440 Mercruiser Stern Drive 25-64966 Mercury Marine 25-64966

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      • Sierra 18-7961 O-Ring
        List Price: $4.73
        Starting At: $2.39

        Sierra 18-7961 O-Ring Sierra replacement O-Ring for use on Mercury Marine engines. I.D.: 3.650" Width: 0.135" Interchangeable with: Mallory 9-76569 Mercury Marine 25-47254

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