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Parts Selection Guide

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Prop Selection Guide

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      Mercruiser Exhaust Manifolds

      • Sierra 18-4226 Drain Plug Replaces 22-806608A02
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        Sierra 18-4226 Drain Plug Replaces 22-806608A02

        $4.49
        $3.49

        Sierra 18-4226 Mercruiser Blue Plastic Drain Plug This Sierra 18-4226 drain plug is widely used for Mercruiser V4, V6 and V8 marine engines. Fits Mercruiser cylinder blocks and exhaust manifolds Comes complete with o-ring Interchangeable...

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      • Sierra 18-1976-2 Mercruiser Manifold Elbow
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        Sierra 18-1976-2 Mercruiser Manifold Elbow

        $212.49
        $125.49

        Sierra 18-1976-2 Mercruiser Manifold Elbow Fits most Mercruiser V6 and V8 applications, 7 degree (4" O.D. Riser). Unlike automotive engines, all marine inboards have exhaust risers that feature a water induction elbow. Located behind the engine’s...

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      • Sierra 18-1953-2 Exhaust Manifold
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        Sierra 18-1953-2 Exhaust Manifold

        $291.99
        $160.99

        Sierra 18-1953-2 Mercruiser V8 Exhaust Manifold Sierra exhaust manifolds are designed as OEM replacements and meet or exceed the manufacturer’s requirements. Sierra replacement manifolds are fully interchangeable with the OEM products they are...

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      • Exhaust Manifold Gasket , Mercury - Mercruiser 27-33395
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        Quicksilver 27-33395 Exhaust Manifold Gasket

        $11.99
        $9.99

        Mercury - Mercruiser 27-33395 Exhaust Manifold Gasket Fits MCM/MIE GM V-8 (283, 305, 350,  and 377 CID) engines Replaces: GLM 31100 Mallory 9-61401 Felpro 17420 OMC 3852468 Redline RL0872 Sierra 18-0872

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      • Sierra 18-4349 Exhaust Manifold Gasket Set
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        Sierra 18-4349 Exhaust Manifold Gasket Set

        $35.99
        $25.49

        Sierra 18-4349 Mercruiser V8 Exhaust Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. For GM 200, 228, 230, 260, 898 (5.0 & 5.7L). Set Contains: (2) 18-0872 Exhaust Manifold Gasket (2) 18-0897...

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      • Restrictor Elbow Gasket, Mercury - Mercruiser 27-863724
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        Quicksilver 27-863724 Restrictor Elbow Gasket

        $14.99
        $12.49

        Mercury - Mercruiser 27-863724 Restrictor Elbow Gasket Fits Center Riser manifolds. Commonly used on all raw water cooled engines. Creates back pressure by restricting the water flow, keeping the manifold full. For: 185, 205, 229 & 262 CID V-6...

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      • Sierra 18-0549 Plug Off Cap Replaces 3852476
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        Sierra 18-0549 Plug Off Cap Replaces 3852476

        $13.49
        $10.49

        Sierra 18-0549 Plug Off Cap 1" I.D. Sierra high quality engine parts are designed to meet OEM specifications. For V8 Stern Drives and Inboards 1977 - present. Interchangeable with: GLM 22290 Johnson/Evinrude...

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      • Sierra 18-1957-2 Manifold Replaces 807078T10
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        Sierra 18-1957-2 Manifold Replaces 807078T10

        $363.49
        $232.99

        Sierra 18-1957-2 Mercruiser Manifold - Port & Starboard When in need of a Mercruiser manifold replacement, Wholesale Marine carries economical options to get you back on the water fast.  Sierra has engineered a manifold replacement kit that...

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      • Sierra 18-1908 Manifold Riser Spacer Replaces 93320A13
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        Sierra 18-1908 Manifold Riser Spacer Replaces 93320A13

        $178.49
        $124.99

        Sierra 18-1908 Mercruiser Manifold Riser Spacer Mercruiser GM V6 229 and 262cu.in. (Models: 185 and 205) GM Small Block V8 305-350cu.in. (Models: 200, 228, 230, 260 and 898) GM Big Block V8 454cu.in. (Models: 330, 340 and 7.4L) Use With: Manifold:...

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      • Sierra 18-1998-1 Exhaust Manifold
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        Sierra 18-1998-1 Exhaust Manifold

        $403.99
        $282.99

        Sierra 18-1998-1 Exhaust Manifold - Port & Starboard for Ford V8 Engines Fits Port and Starboard Sides. Universal Center Riser Manifold. Fits: Crusader 302 and 351 CID Engines Interceptor 221, 260 and 289 CID Engines Commander, Mercury, OMC,...

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      • Sierra 18-1951-1 Exhaust Manifold Replaces 77235A2
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        Sierra 18-1951-1 Exhaust Manifold Replaces 77235A2

        $597.49
        $418.49

        Mercruiser Manifold - Starboard - with Mounting Package by Sierra Fits most Mercruiser GM Small Blocks with End Risers. Key Features: Starboard Side Supplied with Mounting Package           Use With: Exhaust Manifold...

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      Mercruiser OEM Engine Parts Finder

      MerCruiser Exhaust Manifold

      Every boater should know that corrosion is the enemy of many boat engine parts. Even those that are sealed, such as an exhaust manifold, are not protected from damage by outside elements. As part of any sound maintenance program, Wholesale Marine recommends that you have this vital engine part inspected and, when worn, have it replaced to avoid costly engine repairs or even a rebuild.

      Need to Replace Your MerCruiser Exhaust Manifold? Let Us Help!

      MerCruiser exhaust manifolds are among the most reliable on the market. Models that have manifolds that are cooled by the engine’s fresh water/antifreeze coolant mixture will last indefinitely but still require routine maintenance. Should your MerCruiser Exhaust Manifold require replacement, know that we are your source for every part the task requires. From MerCruiser OEM Exhaust Elbows to Sierra Exhaust Boots to an entire MerCruiser OEM Exhaust Manifold, hardware, hose barbs, risers, drain taps, and gaskets, Wholesale Marine even carries the hardware and tools to ensure you’ll get the job done right.

      Shop Wholesale Marine for Mercruiser 4, 6, and 8-cylinder exhaust manifolds and risers. We carry both OEM and Sierra brands for the best selection, lowest price, and fastest shipping on the web! Give us a call or try our user-friendly Parts Finder for help locating the correct parts for your motor. If you have questions, we invite you to contact us. We’re boating enthusiasts too, and welcome your call. Or, if you wish to order, please call us Monday through Friday from 9:00 AM until 6:00 PM EST at (877) 388-2628. Don’t forget to sign up for our Captain’s Club Rewards Program to save even more the next time you shop at Wholesale Marine.