Exhaust Manifolds for Marine Engines

Exhaust manifold for Volvo Penta and OMC V8 5.7 litre or 5 litre engines on GM base with central exhaust elbow.

Premium quality material from the same manufacturer as Volvo.

Remember the water connection: 50/512/017 or 13965.

Exhaust manifold for Mercruiser V8 engine with Dry type external water passages.

Mounting hardware included.

The elbow gasket included by default is 27-864850A02.

Exhaust manifold for Mercruiser V8 engine old assembly.

Mounting hardware included.

BARR marine exhaust manifold for Volvo Penta and OMC 4.3 litre V6 engines.

Mounting hardware included.

Remember the water connection: 50-512-017 or 13965.

Genuine Volvo Penta OEM exhaust manifold for older generation V6 engines of types:

- 430A

- 431A

- 432A

- AQ175A

- AQ205A

Mounting kit not included.

Remember to add:

- 1 pcs Manifold Gasket Kit FP17410

- 1 pcs elbow joint 16039

- 6 pcs fixing screws 800059

- 1 pcs cap 90050

- 1 pcs 90° water connection 13975

Stainless steel exhaust manifold for Yanmar 8 series engine:

- YS8

- YSB8

- YSC8

- YSE8

- YSM8

Reassembly gasket included.

Collecteur d'échappement de marque PCM pour moteur Ford.

Pensez à commander :

- Joint de coude : RM002

- Joint de collecteur : FP17460

- Vis de fixation culasse : RS3945

Exhaust manifold for Mercruiser V8 BB GM454 and GM502 engines.

Mounting hardware included.

Exhaust manifold for Chriscraft engine featuring 3-point cooling mounting.

Exhaust manifold for Mercruiser V6 engine with Dry type external water passages.

Mounting hardware included.

The elbow gasket included by default is 27-864850A02.

Collecteur d'échappement pour moteur Crusader SB disposant du coude au milieu du collecteur.

Exhaust manifold for OMC and Volvo Penta engines based on Ford 5L or 5.8L carburetor or injection.

Exhaust manifold for OMC or Volvo Penta 3L 4-cylinder engine with a Holley 2-barrel carburetor.

Exhaust collector for old generation VOLVO PENTA V8 engine.

Barr MARINE cast iron collector, of equivalent quality to the original VOLVO PENTA, produced in the USA.

Replaces the original collector VOLVO PENTA perfectly.

Delivered with joints, screws and caps.

To be completed with the following elbow:

16384.

Tested and approved for marine use, high quality product.

Compatible with the following VOLVO engines:

500A - 500B- 501A - 501B

570A - 571A - 572A

AQ200D - AQ200F

AQ211A

AQ225D - AQ225E - AQ225F

AQ231A - AQ231B

AQ255B

AQ260A - AQ260B

AQ271A - AQ271B - AQ271C - AQ271D

AQ280A

AQ290A

AQ311A - AQ311B

BB225A - BB225AV - BB225B - BB225C

BB231A

BB260A - BB260AV - BB260B - BB260C

BB261A

?? Role of the exhaust manifold on a marine engine

1. Exhaust gas collection

The exhaust manifold is a metal part attached to the engine head. Its main function is to collect burned gases from the various engine cylinders after combustion.

2. Exhaust gas pipeline

Once recovered, these gases are directed to the exhaust system, to a silencer or an outlet pipe. This process must be fluid so as not to create excessive back pressure that would affect engine performance.

3. Gas cooling

In marine engines, the collector is often "wet", i.e. cooled by water (often seawater). This water is injected into the manifold or the exhaust elbow to:

Reduce gas temperature (avoid overheating and fire),

Protect materials around (hull, piping, etc.),

Reduce noise.

4. Corrosion resistance and durability

The marine collector shall be capable of resisting corrosion caused by salt water and acidic gases. This is why it is often made from specific materials (such as 316L stainless steel or processed cast iron).

?? Risks of failure

A cracked, pierced or blocked collector may result in:

Loss of engine power,

Overheating,

Toxic gas leaks (danger to crew),

An inlet of water into the cylinders (in cases of water return, which can destroy the engine).

Original exhaust manifold for Mercruiser 4-cylinder 3-liter engine without manifold end plates.

Carburetor mounting center distance 65 x 50mm: Mercab - Rochester

This collector kit allows the replacement of older generations with inspection hatches at the end of the collector.

Exhaust collector for engine VOLVO PENTA B21 - B23 - B25.

Barr MARINE cast iron collector, of equivalent quality to the original VOLVO PENTA, produced in the USA.

Replaces the original collector VOLVO PENTA perfectly.

Delivered with joints, screws and caps.

Tested and approved for marine use, high quality product.

Compatible with the following VOLVO engines:

AQ120B

AQ125A - AQ125B

AQ131A - AQ131B - AQ131C - AQ131D

AQ140A

BB140A

AQ145A - AQ145B

BB145A

AQ151A - AQ151B - AQ151C

230A - 230B

250A - 250B

?? Role of the exhaust manifold on a marine engine

1. Exhaust gas collection

The exhaust manifold is a metal part attached to the engine head. Its main function is to collect burned gases from the various engine cylinders after combustion.

2. Exhaust gas pipeline

Once recovered, these gases are directed to the exhaust system, to a silencer or an outlet pipe. This process must be fluid so as not to create excessive back pressure that would affect engine performance.

3. Gas cooling

In marine engines, the collector is often "wet", i.e. cooled by water (often seawater). This water is injected into the manifold or the exhaust elbow to:

Reduce gas temperature (avoid overheating and fire),

Protect materials around (hull, piping, etc.),

Reduce noise.

4. Corrosion resistance and durability

The marine collector shall be capable of resisting corrosion caused by salt water and acidic gases. This is why it is often made from specific materials (such as 316L stainless steel or processed cast iron).

?? Risks of failure

A cracked, pierced or blocked collector may result in:

Loss of engine power,

Overheating,

Toxic gas leaks (danger to crew),

An inlet of water into the cylinders (in cases of water return, which can destroy the engine).