Sierra Marine

      • Sierra 18-7150 O-Ring
        $3.39
        $2.59

        Sierra 18-7150 O-Ring I.D.: 0.225" or 5.7mm Width: 0.115" or 2.9mm Interchangeable with: Johnson/Evinrude Outboard 303598 331380 334913 OMC Stern Drive 303598

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      • Sierra 18-7408 O-Ring
        $6.79
        $5.79

        Sierra 18-7408 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use with OMC Stern Drives and Johnson/Evinrude Outboards. I.D.: 1.060" Width: 0...

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      • Sierra 18-7474 O-Ring
        $3.99
        $3.39

        Sierra 18-7474 O-Ring Sierra replacement o-ring for Mercruiser Stern Drives. I.D.: 1.239" Width: 0.070" Interchangeable with: GLM 84026 Mercruiser Stern Drive 25-94288

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      • Sierra 18-7407 O-Ring
        $10.99
        $8.39

        Sierra 18-7407 O-Ring I.D.: 4.125" or 104.8mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82430 Johnson/Evinrude Outboard 911700 OMC Stern Drive 3852531 911700 Volvo Penta 3852531

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      • Sierra 18-7112 O-Ring
        $3.39
        $2.59

        Sierra 18-7112 O-Ring I.D.: 1.170" or 29.7mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82170 Johnson/Evinrude Outboard 302493

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      • CLEARANCE
        Sierra 18-7404 O-Ring
        $2.09
        $1.39

        Sierra 18-7404 O-Ring I.D.: 0.300" or 7.6mm Width: 0.100" or 2.5mm Interchangeable with: GLM 81090 Johnson/Evinrude Outboard 909747 Mallory 9-76654 OMC Stern Drive 909747

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      • CLEARANCE
        Sierra 18-7144 O-Ring
        $6.19
        $4.19

        Sierra 18-7144 O-Ring I.D.: 4.250" or 108mm Width: 0.135"or 3.4mm Interchangeable with: GLM 82440 Johnson/Evinrude Outboard 326849 OMC Stern Drive 326849

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      • Sierra 18-4008 Block Off Plate
        $19.29
        $16.39

        Sierra 18-4008 Block Off Plate Sierra replacement block off plate fits MCM 898, 228, 25, 260 & Ford V-8 engines. Use with Riser: 18-1971 & 18-1978 Interchangeable...

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      • CLEARANCE
        Sierra 18-4270 Washer
        $0.60
        $0.40

        Sierra 18-4270 Washer Interchangeable with: Chrysler/Force/US Marine 12-36001 Mallory 9-78138 Mercruiser Stern Drive 12-36001 Mercury Marine 12-36001

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      • CLEARANCE
        Sierra 18-3229 Bolt
        $0.82
        $0.55

        Sierra 18-3229 Water Pocket Bolt The Sierra Water Pocket Bolt is for use on MR/Alpha engines. Interchangeable with: Chrysler/Force/US...

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