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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Crusader 6.0L Exhaust Manifold | Crusader Marine R028024CRU-R028024Qty In Stock: 24Brand: CrusaderOEM Crusader center rise manifold painted blue fits Crusader GM 6.0L marine engines from 2004 and newer.
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PCM Ford Small Block Exhaust Manifold | Pleasurecraft Marine R028001PCM-R028001Qty In Stock: 0Brand: Pleasurecraft MarineOriginal equipment Pleasurecraft Marine center rise exhaust manifold fits Ford 302 & 351 CID marine engines.
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302 & 351 Ford Small Block Exhaust Manifold | Barr FM-1-83BARR-FM-1-83Qty In Stock: 23Brand: Barr MarineCast iron center rise exhaust manifold fits Ford 302 & 351 CID marine engines. Learn More
Mercruiser GM Big Block Center Rise Exhaust Manifold | Sierra 18-1957-2SIERRA-18-1957-2Qty In Stock: 53Brand: SierraCenter rise exhaust manifold fits Mercruiser GM 7.4L & 8.2L CID marine engines. Learn More
Mercruiser GM V6 Exhaust Manifold | Sierra 18-1952-1SIERRA-18-1952-1Qty In Stock: 45Brand: SierraMercruiser center rise exhaust manifold used with Mercruiser 3.8 liter & 4.3 liter CID marine engines from 1985-2002.
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Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1953-2SIERRA-18-1953-2Qty In Stock: 79Brand: SierraCenter rise exhaust manifold fits Mercruiser GM 5.0L & 5.7L CID marine engines. Learn More
Mercruiser GM Small Block Log Style Exhaust Manifold | Barr MC-1-77234BARR-MC-1-77234Qty In Stock: 9Brand: Barr MarinePort side log style manifold fits Mercruiser 198, 228, 255, 260, & 898 model marine engines. Learn More
8.1L Exhaust Manifold | Volvo Penta 3847640VOLVO-3847640Qty In Stock: 30Brand: Volvo PentaOriginal 3847640 Volvo Penta center rise exhaust manifold for GM 8.1L marine engines. Learn More
Mercruiser 4 Cylinder Exhaust Manifold | Barr MC-1-52390BARR-MC-1-52390Qty In Stock: 4Brand: Barr MarineCast iron combination intake & exhaust manifold fits Mercruiser 140 HP 181 CID 4 cylinder marine engines. Learn More
GM Small Block Exhaust Manifold | Barr OMC-1-914035BARR-OMC-1-914035Qty In Stock: 60Brand: Barr MarineThe Barr OMC-1-914035 cast iron center rise exhaust manifold fits OMC & Volvo Penta 5.7L 350 CID marine engines.
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ETX Starboard Aluminum Exhaust Manifold | Indmar 531300EIND-531300EQty In Stock: 4Brand: IndmarOEM Indmar one piece exhaust manifold used on Vortec 5.7 liter Monsoon & 6.2 liter Hammerhead marine engines
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Mercruiser V8 Dry Joint Exhaust Manifold | Barr MC-1-865735BARR-MC-1-865735Qty In Stock: 49Brand: Barr MarineCast iron center rise exhaust manifold fits Mercruiser 5.0L, 5.7L & 6.2L marine engines with dry joint manifolds. Learn More© 2025 Marine Parts Source. All Rights Reserved.