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.

Exhaust manifold gasket for V6 GM 229/262, MD99757
Exhaust manifold gasket for V6 GM 229/262, MD99757
article nr.04519

Mercruiser ref. no. 27-99757, Volvo Penta 856116, OMC 3853412

17,81 EUR
(1)
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust gasket for 3.0L GM 181
Exhaust gasket for 3.0L GM 181
article nr.03686

Gasket for exhaust manifold 3.0L GM 181 models (Mercruiser, Volvo Penta, OMC)
MerCruiser ref. no. 27-802376, Volvo-Penta / OMC ref. no. 3850495

13,84 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold gasket for 4-cylinder GM 181, MD815528
Exhaust manifold gasket for 4-cylinder GM 181, MD815528
article nr.03438

from year of construction 1998
Mercruiser ref. no. 27-815528, Volvo Penta ref. no. 3853256

19,74 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold for Volvo Penta / OMC 5.0L / 5.7L, MD3847501
Exhaust manifold for Volvo Penta / OMC 5.0L / 5.7L, MD3847501
article nr.03846

Exhaust manifold for 5.0L (GM 305) and 5.7L (GM 350) .
Volvo Penta ref. no. 3847501

255,16 EUR
(2)
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust gas elbow 19.7 cm for Volvo Penta / OMC 4.3 - 8.2 L, MD3863061
Exhaust gas elbow 19.7 cm for Volvo Penta / OMC 4.3 - 8.2 L, MD3863061
article nr.02995

Volvo Penta ref. no. 3863061 and OMC ref. no. 3857944

239,44 EUR
(1)
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold rubber cap for V8 GM / Ford from 1991, MD3852476
Exhaust manifold rubber cap for V8 GM / Ford from 1991, MD3852476
article nr.04405

Volvo Penta / OMC Ref. no. 3852476

11,75 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Original spare part
Exhaust manifold gasket for 4-cylinder GM 153/GM 181, MD96429
Mercury-Mercruiser-Quicksilver
Exhaust manifold gasket for 4-cylinder GM 153/GM 181, MD96429
article nr.02420

up to year of manufacture 1994
Mercruiser ref. no. 27-96429, OMC ref. no. 912164

20,36 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold gasket for GM 454 / GM 502 from 1991 onwards
Exhaust manifold gasket for GM 454 / GM 502 from 1991 onwards
article nr.02509

Mercruiser ref. no. 27-46820, Volvo Penta / OMC ref. no. 3852472

18,37 EUR / Piece
(1)
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold gasket for Ford V8 302/351, 73866
Exhaust manifold gasket for Ford V8 302/351, 73866
article nr.02469

Mercruiser No. 27-73866, Volvo Penta / OMC 3852455

13,87 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust bend for 3.0L - 5.8L GM / Ford up to 1982
Exhaust bend for 3.0L - 5.8L GM / Ford up to 1982
article nr.02852

Elbow for 140 (1966-1982), 470 (1976-1977), 165/200 6-cyl. and GM/Ford V8 up to 1982.
Mercruiser ref. no. 76351A04, OMC ref. no. 509528

214,49 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold for Volvo Penta / OMC V6 4.3L from 1991, MD3847499
Exhaust manifold for Volvo Penta / OMC V6 4.3L from 1991, MD3847499
article nr.02994

Volvo Penta ref. no. 3847499

259,47 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold for Volvo Penta / OMC 5.0L/5.8L Ford V8 302/351, MD3852347
Exhaust manifold for Volvo Penta / OMC 5.0L/5.8L Ford V8 302/351, MD3852347
article nr.03843

Volvo Penta / OMC Ref. no. 3852347

510,98 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust gas elbow for Volvo Penta / OMC 4.3 L,GXI, OSI (25.7 cm) MD3889964
Exhaust gas elbow for Volvo Penta / OMC 4.3 L,GXI, OSI (25.7 cm) MD3889964
article nr.05072

Volvo Penta ref. no. 3889964, 3889965 and OMC ref. no. 3889964

297,39 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Exhaust Elbow for OMC 800, 5.0L, and 5.7L MD909863
Exhaust Elbow for OMC 800, 5.0L, and 5.7L MD909863
article nr.05229

Exhaust elbow for OMC 800, 5.0L (GM 305), and 5.7L (GM 350).
OMC Part No. 909863

256,38 EUR
incl. 19% VAT
Derzeit nicht verfügbar **
24 months statutory warranty
 Exhaust manifold for OMC 5.0L and 5.7L port, MD912442
Exhaust manifold for OMC 5.0L and 5.7L port, MD912442
article nr.05228

Exhaust manifold port side for OMC 800, 5.0L (GM 305) and 5.7L (GM 350) .
OMC ref. no. 912442

557,94 EUR
incl. 19% VAT
Derzeit nicht verfügbar **
24 months statutory warranty
 Mounting kit for exhaust gas elbow for OMC 800, 5.0L and 5.7L
Mounting kit for exhaust gas elbow for OMC 800, 5.0L and 5.7L
article nr.05230

One set per exhaust gas elbow is required.

29,38 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 Set)
Exhaust gas elbow for Volvo Penta / OMC 2.5L / 3.0L, MD3850799
Exhaust gas elbow for Volvo Penta / OMC 2.5L / 3.0L, MD3850799
article nr.03348

Exhaust gas elbow for Volvo Penta 3.0L (1993-1994) and OMC 2.5L (1981-1986).
Volvo Penta / OMC ref. no. 3850799

320,99 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Exhaust gasket Volvo Penta 3.0L GM 181 MD3853628
Exhaust gasket Volvo Penta 3.0L GM 181 MD3853628
article nr.09235

Gasket for exhaust manifold 3.0L GM models Volvo Penta, OMC)
Volvo-Penta / OMC Ref. no. 3853628

39,63 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 6 Piece)
Exhaust manifold for OMC 5.0L and 5.7L starboard, MD912441
Exhaust manifold for OMC 5.0L and 5.7L starboard, MD912441
article nr.05227

Exhaust manifold starboard for OMC 800, 5.0L (GM 305) and 5.7L (GM 350) .
OMC ref. no. 912441

521,28 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Exhaust manifold port side for Mercruiser V8 Ford 4.9L / 5.8L, MD65604A12
Exhaust manifold port side for Mercruiser V8 Ford 4.9L / 5.8L, MD65604A12
article nr.02851

Mercruiser ref. no. 65604A12

488,37 EUR
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.