Inboard Engine Exhaust Manifolds
As tough as marine manifolds are, they can eventually fail due to the extreme heat, saltwater and corrosive gases they’re subject to. Marine Parts Source carries dozens of exhaust manifold parts so you can quickly repair your inboard engine. Shop for all the top inboard engine brands such as Volvo Penta, Crusader, Indmar and MerCruiser. Purchase OEM boat exhaust manifolds for guaranteed quality or proven aftermarket manifolds to upgrade their performance. You’ll even find LS engine manifolds for high performance applications.
Browse our full collection below or enter an exhaust manifold part number into the search bar to find the correct part for repairs and rebuilds. We provide all the information you need, including which OE parts it replaces. You can even see which warehouses the manifold is in stock at. We’ll ship from the nearest location, so it arrives fast — and most marine exhaust manifolds qualify for free shipping.
Exhaust Manifolds
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Mercruiser V8 Big Block Exhaust Manifold Kit | Quicksilver 807078T10QS-807078T10Qty In Stock: 6Brand: QuicksilverQuicksilver saltwater manifold for Mercruiser GM V8 454 and 502 CID marine engines from 1981-up. Fits either port or starboard side.
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Mercruiser V6 Dry Joint Exhaust Manifold | Quicksilver 864612T01QS-864612T01Qty In Stock: 9Brand: QuicksilverQuicksilver manifold for Mercruiser V6 262 CID marine engines from 2002 and newer. Fits either port or starboard side.
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Mercruiser V8 Small Block Exhaust Manifold | Quicksilver 860246A15QS-860246A15Qty In Stock: 13Brand: QuicksilverQuicksilver saltwater manifold for Mercruiser GM V8 305, 350, and 377 CID marine engines from 1983-2002. Fits either port or starboard side.
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Mercruiser Catalyst Exhaust Manifold Assembly | Quicksilver 8M0103773QS-8M0103773Qty In Stock: 0Brand: QuicksilverQuicksilver starboard exhaust manifold used on Mercruiser 5.0L. 5.7L and 6.2L fuel injected engines with catalyst exhaust. Hot dipped and top coated for saltwater or freshwater applications.
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Mercruiser Exhaust Manifold Conversion Kit | Quicksilver 866178A02QS-866178A02Qty In Stock: 0Brand: QuicksilverQuicksilver conversion kit for Mercruiser 496 Mag and 8.1S engines includes newer style cast iron manifold to replace old-style aluminum manifold with separate water rails.
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3.0 L/LX Exhaust Manifold Kit | Quicksilver 860235A03QS-860235A03Qty In Stock: 1Brand: Quicksilver3.0L/LX Exhaust Manifold Kit
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Mercruiser V6 Exhaust Manifold | Quicksilver 99746A17QS-99746A17Qty In Stock: 8Quicksilver manifold for Mercruiser V6 229 and 262 CID marine engines from 1985-2002. Fits either port or starboard side.
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Mercruiser Catalyst Exhaust Manifold Assembly | Quicksilver 8M0103774QS-8M0103774Qty In Stock: 0Brand: QuicksilverQuicksilver port exhaust manifold used on Mercruiser 5.0L. 5.7L and 6.2L fuel injected engines with catalyst exhaust. Hot dipped and top coated for saltwater or freshwater applications.
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Mercruiser V8 Small Block Exhaust Manifold | Quicksilver 860246Q11QS-860246Q11Qty In Stock: 34Quicksilver freshwater manifold for Mercruiser GM V8 305, 350, and 377 CID marine engines from 1983-2002. Fits either port or starboard side.
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Mercruiser V8 Big Block Exhaust Manifold Kit | Quicksilver 807078T08QS-807078T08Qty In Stock: 12Quicksilver freshwater manifold for Mercruiser GM V8 454 and 502 CID marine engines from 1981-up. Fits either port or starboard side.
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Mercruiser V8 Big Block Exhaust Manifold | Quicksilver 866178T01QS-866178T01Qty In Stock: 7Brand: QuicksilverQuicksilver manifold for Mercruiser GM 8.1L 496 CID non -EC marine engines. Fits either port or starboard side.
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