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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OMC 3.0L 4 Cylinder Exhaust Manifold | Barr OMC-1-984054BARR-OMC-1-984054Qty In Stock: 2Brand: Barr MarineCast iron log style combination intake & exhaust manifold fits OMC 140 HP 181 CID marine engines. Includes manifold-to-head gasket, riser gasket, end plate gasket, and mounting hardware.
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Mercruiser GM Small Block Exhaust Manifold | EMP 57-57520EMP-57-57520Qty In Stock: 10Brand: EMPLearn MoreCenter rise exhaust manifold fits Mercruiser GM 5.0 liter & 5.7 liter CID marine engines.
Exhaust Dry Manifold Joint V8 | EMP 57-57501EMP-57-57501Qty In Stock: 7Brand: EMPExhaust Dry Manifold Joint V8 Learn More
3.0 liter Exhuast Pipe | Volvo Penta 3588686VOLVO-3588686Qty In Stock: 0Brand: Volvo Penta3.0 liter Exhuast Pipe Learn More
Port Exhaust Manifold Tall | Volvo Penta 21356427VOLVO-21356427Qty In Stock: 0Brand: Volvo PentaPort Exhaust Manifold Tall
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Exhaust Manifold | Volvo Penta 22191069VOLVO-22191069Qty In Stock: 0Brand: Volvo PentaExhaust Manifold Learn More
Exhaust Manifold | Volvo Penta 22191073VOLVO-22191073Qty In Stock: 0Brand: Volvo PentaExhaust Manifold Learn More
Crusader Starboard Side Log Style Exhaust Manifold | Barr CR-1-97752BARR-CR-1-97752Qty In Stock: 38Brand: Barr MarineCrusader starboard exhaust manifold fits Crusader GM 5.0L & 5.7L small block marine engines. Learn More
Mercruiser GM Small Block Exhaust Manifold | Barr MC-1-47738BARR-MC-1-47738Qty In Stock: 3Brand: Barr MarineStarboard side log style manifold fits Mercruiser 225, 250, 255, 270, & 280 model marine engines. Learn More
Mercruiser GM Big Block Exhaust Manifold | Barr MC-1-47735BARR-MC-1-47735Qty In Stock: 5Brand: Barr MarinePort side log style manifold fits Mercruiser 325, 330, 350, 370, & 400 model marine engines. Learn More
Mercruiser GM Big Block Exhaust Manifold | Barr MC-1-47736BARR-MC-1-47736Qty In Stock: 4Brand: Barr MarineStarboard side log style manifold fits Mercruiser 325, 330, 350, 370, & 400 model marine engines. Learn More
Crusader Small Block GM Exhaust Manifold Kit with 3 inch Elbows | MMD Powerline BARR-CRU-SB-KIT-3MMD-BARR-CRU-SB-KIT-3Out of stockExhaust manifold kit for Crusader small block GM engines with log style exhaust manifolds and 3-inch exhaust elbows. Each kit includes (1) port side exhaust manifold, (1) starboard side exhaust manifold, (2) exhaust elbows and all gaskets and hardware needed for installation.
Learn MoreMSRP:Special Price $0.00 Regular Price $1,225.00Out of stock© 2025 Marine Parts Source. All Rights Reserved.