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      Mercruiser Exhaust Manifolds Product Listings

      • Sierra 18-2912-1 Exhaust Manifold Gasket Replaces 27-53354
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        $21.69
        $16.89

        Sierra 18-2912-1 Exhaust Manifold Gasket for Mercruiser, OMC, Volvo 3.0L Replaces: Merc - 27-53354 Mallory - 61417 GLM - 31570 OMC 0908079 Aqua Power 325 GLM 31570 Redline RL1203  

      • Sierra 18-2909-9 Exhaust Manifold Gasket (Priced Per Pkg Of 2)
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        $24.49
        $17.59

        Sierra 18-2909-9 Exhaust Manifold Gasket (Priced Per Pkg of 2) This exhaust manifold gasket set is an aftermarket product that meets or exceeds OEM requirements. Supersedes 18-2909 Use...

      • Sierra 18-1951-1 Exhaust Manifold Replaces 77235A2
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        $678.39
        $474.79

        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          ...

      • Sierra 18-0183-1 Exhaust Manifold Gasket
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        $18.79
        $15.89

        Sierra 18-0183-1 Exhaust Manifold Gasket for Mercruiser, OMC Sierra Exhaust Manifold Gasket for use on Mercruiser and OMC Stern Drives. Fits MCM/MIE Ford V-8 engines Use With: 18-1996...

      • Sierra 18-0680 Exhaust Manifold Gasket Replaces 27-815528
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        $22.69
        $19.29

        Sierra 18-0680 Exhaust Manifold Gasket Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits MCM 3.0L (1998 & Newer) & MCM 3.0LX (1990-1997) Interchangeable...

      • Sierra 18-0418 Exhaust Manifold Mounting Gasket Replaces 27-46820
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        $22.99
        $16.59

        Sierra 18-0418 Exhaust Manifold Mounting Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Features: Fits MCM/MIE GM V-8 (454, 482, 496, 502 & 504 CID) engines...

      • Sierra 18-0549 Plug Off Cap Replaces 3852476
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        $15.19
        $12.99

        Sierra 18-0549 Plug Off Cap 1" I.D. Sierra high quality engine parts are designed to meet OEM specifications. Features:   I.D.: 1" or 25.4mm For V8 Stern Drives and Inboards 1977 - present...

      • Mercury - Mercruiser 27-8M0215011 Exhaust Manifold Gasket
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        $12.99
        $11.99

        Mercury-MerCruiser 27-8M0215011 Exhaust Manifold Gasket The Mercury-MerCruiser 27-8M0215011 Exhaust Manifold Gasket is a genuine OEM replacement gasket for select GM V-6 engine applications. This...

      • Mercury - Mercruiser 10-98794 Mounting Screw
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        $4.49
        $3.99

        Mercury-MerCruiser 10-98794 3/8-16 x 1" Mounting Screw The Mercury-MerCruiser 10-98794 Mounting Screw is a replacement stainless steel fastener for compatible Mercury-MerCruiser applications. This...

      • Shutter Asy-Water, Mercury - Mercruiser 807166A-2 Image
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        $103.19
        $85.99

        Quicksilver 807166A2 Exhaust Water Shutter Kit For MerCruiser 4.3L Engines With 1-Piece Exhaust Manifolds Quicksilver 807166A2 Exhaust Water Shutter Kit is designed for select MerCruiser sterndrive...

      • Mercury - Mercruiser Water Shutter Assy 807166A-1 Image
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        $103.79
        $86.49

        Quicksilver 807166A1 Water Shutter For MerCruiser V6 & V8 Engines With 2-Piece Exhaust Manifolds Quicksilver 807166A1 Water Shutter is designed for select MerCruiser V6 and V8 engines with 2-piece...

      • Exhaust Manifold Gasket Set, Mercury - Mercruiser 27-33395A-2
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        $48.49
        $42.49

        Exhaust Manifold Gasket Set, Mercury - Mercruiser 27-33395A-2 For GM 305, 327, 350 cid engines with end outlet exhaust manifolds. Replaces: Aqua...

      • Metal Elbow Gasket for Dry Joint System, Mercury - Mercruiser 27-864850A02
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        $69.59
        $57.99

        Quicksilver 27-864850A02 Metal Elbow Gasket for Dry Joint System, Mercury - Mercruiser  Quicksilver 864850A02 Restrictor style exhaust elbow gasket for GM based MerCruiser V6 and V8 sterndrive and...

      • Quicksilver OEM MerCruiser V8 GM Exhaust Manifold Gasket 27-33395
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        $11.99
        $9.99

        Quicksilver 27-33395 MerCruiser V8 Exhaust Manifold Gasket OEM-quality exhaust manifold gasket for V8 MerCruiser sterndrive and inboard engines built by General Motors. Designed to maintain proper...

      • Mercury - Mercruiser 27-863725-1 Gasket
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        $16.79
        $13.99

        Quicksilver OEM MerCruiser V6/V8 Exhaust Manifold Elbow Gasket 27-863725-1 This genuine OEM Mercruiser elbow gasket is for use with 5.0L, 5.7L, 7.4L, 8.2L GM engines with a center rise outlet...

      • Quicksilver 27-863724 MerCruiser Exhaust Elbow Restrictor Gasket Thumbnail Image
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        $15.59
        $12.99

        Quicksilver OEM MerCruiser V6/V8 1981-1997 GM Exhaust Elbow Restrictor Gasket 27-863724 Quicksilver Standard cooling restrictor-type exhaust elbow gasket for GM-based MerCruiser V6 and V8 sterndrive...

      • Sierra 18-0721 Open Elbow Gasket
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        $93.19
        $67.09

        Sierra 18-0721 Mercruiser Open Exhaust Elbow Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Sierra Mercruiser dry joint open riser gasket. This full flow gasket...

      • Sierra 18-1990 Manifold Block Off Plate
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        $27.39
        $19.69

        Manifold Block Off Plate - Special Order est. 10 Days

      • Sierra 18-1908K Manifold Riser Spacer Kit Replaces 93320A13
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        $553.59
        $398.59

        Sierra 18-1908K Manifold Riser Spacer Kit Features:  Packaged as a set, complete with mounting hardware Fits: MCM V-6 carb & TBI eng. w/ 2 piece exhaust manifolds (s/n 0M614999 & below) 3"...

      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 Wholesale Rewards Program to save even more the next time you shop at Wholesale Marine.