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: 25Brand: CrusaderOEM Crusader center rise manifold painted blue fits Crusader GM 6.0L marine engines from 2004 and newer.
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302 & 351 Ford Small Block Exhaust Manifold | Barr FM-1-83BARR-FM-1-83Qty In Stock: 41Brand: Barr MarineCast iron center rise exhaust manifold fits Ford 302 & 351 CID marine engines. Learn More
PCM Ford Small Block Exhaust Manifold | Pleasurecraft Marine R028001PCM-R028001Qty In Stock: 41Brand: Pleasurecraft MarineOriginal equipment Pleasurecraft Marine center rise exhaust manifold fits Ford 302 & 351 CID marine engines.
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Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1953-2SIERRA-18-1953-2Qty In Stock: 122Brand: SierraCenter rise exhaust manifold fits Mercruiser GM 5.0L & 5.7L CID marine engines. Learn More
PCM GM Small Block Exhaust Manifold | Pleasurecraft Marine R028009PCM-R028009Qty In Stock: 10Brand: Pleasurecraft MarineOEM Pleasurecraft Marine center rise exhaust manifold fits GM 5.0L & 5.7L marine engines. Learn More
Starboard Side Exhaust Manifold | Crusader 97992CRU-97992Qty In Stock: 15Brand: CrusaderOEM Crusader starboard exhaust manifold fits Crusader GM 7.4L & 8.2L big block marine engines. Learn More
Mercruiser GM Small Block Exhaust Manifold | Barr MC-1-77235BARR-MC-1-77235Qty In Stock: 10Brand: Barr MarineStarboard side log style manifold fits Mercruiser 198, 228, 255, 260, & 898 model marine engines. Learn More
Mercruiser GM Big Block Center Rise Exhaust Manifold | Sierra 18-1957-2SIERRA-18-1957-2Qty In Stock: 67Brand: SierraCenter rise exhaust manifold fits Mercruiser GM 7.4L & 8.2L CID marine engines. Learn More
Mercruiser GM V-8 Aftermarket Exhaust Manifold - 8.1L & 8.2L | Barr Marine MC-1-866178BARR-MC-1-866178Qty In Stock: 14Learn MoreBarr Marine GM 8.1 and 8.2L cast iron center rise exhaust manifold without the water rail. Can be used for the port or starboard side of the engine.
ETX Port Aluminum Exhaust Manifold | Indmar 531301EIND-531301EQty In Stock: 10Brand: IndmarOEM Indmar one piece exhaust manifold used on Vortec 5.7 liter Monsoon & 6.2 liter Hammerhead marine engines
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Mercruiser GM V6 Exhaust Manifold | Sierra 18-1952-1SIERRA-18-1952-1Qty In Stock: 49Brand: 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 Inline 6 Cylinder Exhaust/Intake Manifold | Barr MC-1-58759BARR-MC-1-58759Qty In Stock: 4Brand: Barr MarineCast iron combination intake & exhaust manifold fits Mercruiser 165 inline 6 cylinder marine engines. Learn More© 2025 Marine Parts Source. All Rights Reserved.