Mercury Outboard O-Rings & Seals

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Parts Selection Guide

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Prop Selection Guide

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      • CLEARANCE
        Sierra 18-7135 O-Ring
        $1.99
        $0.99

        Sierra 18-7135 O-Ring (1) I.D.: 0.750" or 19.1mm Width: 0.135" or 3.4mm Interchangeable with: Chrysler/Force/US Marine 25-35276 GLM 82100 Johnson/Evinrude Outboard 310584 Mallory 9-76530 Mercruiser Stern...

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      • Sierra 18-2015 Oil Seal
        $20.49
        $14.49

        Sierra 18-2015 Oil Seal O.D.: 1.250" Shaft Size: 0.750" Width: 0.250" Interchangeable with: GLM 85210 Mercruiser Stern Drive 26-23517 Mercury Marine 20250 26-23517

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      • Sierra 18-0297 Oil Seal
        $12.99
        $9.99

        Sierra 18-0297 Oil Seal Sierra replacement oil seal for Yamaha and Mercury engines. I.D.: 22.75 mm O.D.: 1.457" or 37.25mm Shaft Size: 0.906" Width: 0.236" or 6 mm Interchangeable with: Mallory 9-76413 Mercury...

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      • Sierra 18-7115 O-Ring
        $1.99

        Sierra 18-7115 O-Ring Sierra replacement O-ring for marine engines. Width: 0.135" or 3.4mm I.D.: 1.735" or 44.1mm Package of 1 Interchangeable with: GLM 82240 Johnson/Evinrude Outboard 302588 Mercruiser Stern...

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      • Sierra 18-7155 O-Ring
        $2.99
        $1.99

        Sierra 18-7155 O-Ring I.D.: 1.620" or 41.1mm Width: 0.135" or 3.4mm Interchangeable with: Chrysler/Force/US Marine 25-26855 GLM 82230 Johnson/Evinrude Outboard 305270 Mallory 9-76541 Mercruiser Stern Drive 25-26855 Mercury Marine 25-26855

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      • Sierra 18-7143-9 O-Ring (Priced Per Pkg Of 5)
        $9.99
        $7.49

        Sierra 18-7143-9 O-Ring (Priced Per Pkg Of 5) Sierra replacement O-ring. I.D.: 1.310" or 33.3mm Width: 0.100" or 2.5mm Package of 5 Interchangeable with: GLM 81250 Johnson/Evinrude Outboard 331188 Mallory 9-76537 Mercruiser...

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      • Sierra 18-7160-9 O-Ring (Priced Per Pkg Of 5)
        $15.49
        $10.99

        Sierra 18-7160-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercury and Mercruiser engines. I.D.: 2.635" or 67mm Width: 0.210" or 5.3mm Package of 5 Interchangeable with: GLM 83340 Mallory 9-76545 Mercruiser Stern...

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      • Sierra 18-7161-9 O-Ring (Pkg Of 5)
        $15.49
        $11.99

        Sierra 18-7161-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercruiser and Mercury engines. I.D.: 3.250" or 82.6mm Width: 0.070" or 1.8mm Package of 5 Interchangeable with: GLM 80420 Mallory 9-76546 Mercruiser Stern...

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      • CLEARANCE
        Sierra 18-7419 O-Ring
        $2.49
        $1.99

        Sierra 18-7419 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Mercury Marine, and Sears engines. Package of 5. I.D.: 2.675" Width: 0.103" Interchangeable...

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      • Sierra 18-7426-9 O-Ring (Priced Per Pkg Of 2)
        $3.99
        $2.99

        Sierra 18-7426-9 O-Ring (Priced Per Pkg Of 2) Sierra high-quality engine parts are designed to meet OEM specifications. For Mercury and Mercruiser engines. I.D.: 0.740" Width: 0.310" Interchangeable...

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