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
-
Mercruiser 2.5-Liter 4 Cylinder Exhaust Manifold | Barr MC-1-63122BARR-MC-1-63122Qty In Stock: 8Brand: Barr MarineCast iron combination intake & exhaust manifold fits Mercruiser 120 HP 153 CID 4 cylinder marine engines. Learn More
Crusader Port Side Log Style Exhaust Manifold | Barr CR-1-97753BARR-CR-1-97753Qty In Stock: 56Brand: Barr MarineCrusader port exhaust manifold fits Crusader GM 5.0L & 5.7L small block marine engines. Learn More
Ford Small Block Exhaust Manifold | Barr OMC-1-3852347BARR-OMC-1-3852347Qty In Stock: 19Brand: Barr MarineCast iron center rise exhaust manifold fits OMC & Volvo Penta 302 & 351 CID marine engines. Learn More
Crusader Center Rise GM Small Block Exhaust Manifold | Barr CR-1-98243BARR-CR-1-98243Qty In Stock: 19Brand: Barr MarineCrusader center rise manifold fits port and starboard side Crusader GM 5.0L & 5.7L marine engines. Learn More
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.
Learn More
OMC GM Small Block Exhaust Manifold | Barr OMC-1-912442BARR-OMC-1-912442Qty In Stock: 0Brand: Barr MarinePort side log style manifold fits OMC 225 HP & 245 HP marine engines. Learn More
Crusader Starboard Side Exhaust Manifold | Crusader 97752CRU-97752Qty In Stock: 7Brand: CrusaderOEM Crusader starboard exhaust manifold fits Crusader GM 5.0 liter & 5.7 liter small block marine engines.
Learn More
Volvo Penta GM Small Block Exhaust Manifold | Barr VO-1-835804BARR-VO-1-835804Qty In Stock: 41Brand: Barr MarineCast iron center rise exhaust manifold fits many Volvo Penta small block marine engines. Learn More
Mercruiser 3.0L 4 Cylinder Exhaust Manifold | Barr MC-1-860235BARR-MC-1-860235Qty In Stock: 6Brand: Barr MarineCast iron combination intake & exhaust manifold fits Mercruiser 120 HP 153 CID & 140 HP 181 CID marine engines. Learn More
GM Big Block Center Rise Exhaust Manifold | Barr CHVA-1-84BARR-CHVA-1-84Qty In Stock: 29Brand: Barr MarineGeneric center rise manifold for GM 454 & 502 CID marine engines. Learn More© 2025 Marine Parts Source. All Rights Reserved.