Exhaust system

OMC exhaust spare parts for boat engines

OMC exhaust spare parts are important components of the exhaust system of Johnson and Evinrude boat engines. The components safely conduct the combustion gases away from the engine and ensure that the drive system functions reliably. In this category you will find various exhaust components such as exhaust manifolds, exhaust housings, gaskets and other spare parts for maintenance or repair.

Gasket for exhaust gas elbow Volvo Penta Diesel D2 / MD22, 888596
Gasket for exhaust gas elbow Volvo Penta Diesel D2 / MD22, 888596
article nr.09628

Seal for exhaust gas elbow 21424345
Volvo-Penta 888596

34,33 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold conversion kit for Mercruiser GM 262 - 4.3L
Exhaust manifold conversion kit for Mercruiser GM 262 - 4.3L
article nr.04245

Conversion kit for one-piece exhaust manifolds, which are no longer available, to multi-piece exhaust manifolds, complete for one engine.

1.690,09 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold starboard for Mercruiser V8 Ford, OMC 4.9L / 5.8L, MD65603A12 Exhaust manifold starboard for Mercruiser V8 Ford, OMC 4.9L / 5.8L, MD65603A12
Exhaust manifold starboard for Mercruiser V8 Ford, OMC 4.9L / 5.8L, MD65603A12
article nr.03804

Mercruiser ref. no. 65603A12

623,41 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 6 )
 Exhaust manifold for OMC 2.5L GM 153, MD982657
Exhaust manifold for OMC 2.5L GM 153, MD982657
article nr.02987

For models with automatic choke in the collector, year of construction 1981-1986
OMC ref. no. 982657

807,46 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
 Exhaust manifold for OMC 3.0L GM 181, MD984054
Exhaust manifold for OMC 3.0L GM 181, MD984054
article nr.02989

For OMC 400, GM 181 (1973-1990)
OMC ref. no. 984054

862,01 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Exhaust elbow 3" for Mercruiser 3.0L - 5.8L GM / Ford up to 1982, MD76771A2
Exhaust elbow 3" for Mercruiser 3.0L - 5.8L GM / Ford up to 1982, MD76771A2
article nr.09244

Elbow for 140 (1966-1982), 470 (1976-1977), 165/200 6-cyl. and GM / Ford V8 up to 1982.
Mercruiser ref. no. 76771A2

383,05 EUR
incl. 19% VAT
Derzeit nicht verfügbar **
24 months statutory warranty
Exhaust gas elbow for 5.0L/5.8L Ford V8-302/351, port, MD3855271
Exhaust gas elbow for 5.0L/5.8L Ford V8-302/351, port, MD3855271
article nr.03844

Exhaust elbow for the port side
Volvo Penta / OMC Ref. no. 3855271

425,48 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust gas elbow for OMC GM V6 / V8 Long Style , MD981281
Exhaust gas elbow for OMC GM V6 / V8 Long Style , MD981281
article nr.02993

OMC ref. no. 981281

254,28 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Exhaust gas elbow for Volvo Penta / OMC with 5.0L/5.8L Ford V8 302/351, starboard, MD3855269
Exhaust gas elbow for Volvo Penta / OMC with 5.0L/5.8L Ford V8 302/351, starboard, MD3855269
article nr.03845

Exhaust gas elbow for starboard side
Volvo Penta / OMC Ref. no. 3855269

445,96 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold for OMC 2.5L GM 153, MD981462
Exhaust manifold for OMC 2.5L GM 153, MD981462
article nr.02985

For OMC 400
OMC ref. no. 981462

737,17 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Exhaust manifold for Volvo Penta / OMC 7.4L / 8.2L, 3861459
Volvo Penta
Exhaust manifold for Volvo Penta / OMC 7.4L / 8.2L, 3861459
article nr.03850

Original exhaust manifold for Volvo Penta / OMC 7.4L GM 454 and 8.2L GM 502 from 1992.
Volvo Penta no. 3852362, 3861459

1.025,08 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
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  • Over 15 years’ experience in the marine spare parts trade
    Over 15 years’ experience in the marine spare parts trade
  • Official Mercury & MerCruiser dealer
    Official Mercury & MerCruiser dealer
  • A wide range of boat engine spare parts from A to Z
    A wide range of boat engine spare parts from A to Z
  • Spare parts for Volvo Penta, MerCruiser, Yamaha, Honda, Suzuki and more
    Spare parts for Volvo Penta, MerCruiser, Yamaha, Honda, Suzuki and more
  • Fast delivery for maintenance, servicing and repairs
    Fast delivery for maintenance, servicing and repairs
  • Order boat spare parts conveniently online 24/7
    Order boat spare parts conveniently online 24/7

Exhaust spare parts for OMC boat engines

The exhaust system of a boat engine ensures that the exhaust gases produced during combustion are safely removed from the engine. On OMC engines - especially Johnson and Evinrude - this system consists of several components such as exhaust manifolds, exhaust housings, pipes and gaskets. These components work together to remove exhaust gases from the engine in a controlled manner while reducing noise and heat.

Structure of an OMC exhaust system

Depending on the engine and design, the exhaust system can consist of different components. Typical components are

  • Exhaust manifold

  • Exhaust pipes or outlet pipes

  • Exhaust housing

  • Exhaust manifold and housing gaskets

  • Connectors and adapters

The so-called exhaust housing, for example, is one of the central components of the system and guides the exhaust gases from the engine into the exhaust or water channel of the outboard motor.

Exhaust manifold and exhaust pipes

Exhaust manifolds collect the exhaust gases from the individual cylinders of the engine and feed them into the exhaust system. From there, the exhaust gases are discharged from the engine via other components such as exhaust pipes or exhaust ducts.

In many OMC systems, risers, adapter plates and seals are also installed to ensure a secure connection between the components and prevent leaks.

Maintenance and typical problems

With increasing operating time, exhaust components can wear out due to heat, corrosion or mechanical stress. Particularly in a maritime environment, salt water and high temperatures can lead to material fatigue.

Typical problems in the exhaust system can be

  • Damaged or leaking gaskets

  • Corrosion on exhaust manifolds

  • Cracks in the exhaust housing

  • Exhaust gas leaks in the engine area

Replacing defective components helps to ensure that the engine works reliably and the exhaust system functions correctly.

Exhaust spare parts for Johnson and Evinrude engines

Many OMC engines are still in use today, especially Johnson and Evinrude outboard engines. Spare parts for the exhaust system therefore continue to play an important role in the maintenance and repair of these engines.

With suitable exhaust components, OMC engines can continue to be operated and maintained reliably.