Gaskets and Seals - OMC - Cobra

Exhaust manifold to elbow and end cap gasket.

Replaces Sierra 18-2861 and GLM 33330.

Fits these applications:

• OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).
• OMC 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, Model 140 engine (log style direct replacement).

Compatible parts:

• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-1-984054 direct replacement exhaust manifold.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-311121.

Manifold end cap gasket.

Replaces Sierra 18-0114 and GLM 32580.

Fits OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).

Compatible parts:

• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-907761.

Exhaust manifold to cylinder head gasket.

Fits OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).

Compatible parts:

• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-311068.

Adaptor plate (OMC-20-908014) to riser (OMC-20-910380) gasket.

Replaces Mallory 9-65100, Sierra 18-2875 and GLM 33770.

Fits these applications:

• OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).
• OMC 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, Model 140 engine (log style direct replacement).
• OMC (Volvo) 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, all carbureted models with Vortec style head (log style direct replacement).

• The stainless steel restrictor plate is only used in some applications. If you are not sure if the plate is used, please consult your OEM. Two gaskets are required when using the plate (one on each side of the plate).

Compatible parts:

• OMC-1-3858850 direct replacement exhaust manifold.
• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-1-984054 direct replacement exhaust manifold.
• OMC-20-3862603 direct repalcement exhaust manifold.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-908013.

Exhaust elbow to hose adaptor gasket.

Fits OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).

Compatible parts:

• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-907764.

OMC replacement gasket.

Manufactured by Barr Marine. Part number OMC47-907932.

Exhaust manifold to cylinder head gasket.

Replaces Mallory 9-61420.

Fits OMC (Ford) V8 302 and 351 C.I.D., Models 170, 175, 190 and 235 H.P. (direct replacement).

Manufactured by Barr Marine. Part number OMC47-908717.

Direct replacement exhaust manifold end cap/connector gasket (not to be used between elbow and manifold).

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Compatible parts:

• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• OMC-20-981281 direct replacement exhaust elbow.

Manufactured by Barr Marine. Part number OMC47-311130.

Exhaust manifold to cylinder head gasket.

Replaces GLM 31100.

Fits these applications:

• OMC V8 283, 305, 307 and 350 C.I.D., Models 210, 215, 225, 235 and 245 H.P. (log style generic).
• OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).
• OMC V8 283, 305, 307 and 350 C.I.D., Models 185, 200, 225, 230 and 260 H.P. (log style direct replacement).
• OMC V8 5.7L Cobra, all models (center riser direct replacement).
• Volvo V8 5.7L Cobra (center riser direct replacement).

Compatible parts:

• OF-1-60L water cooled end discharge port manifold to fit the small block Chevrolet (1/2" N.P.T. cooling hose connections). All years.
• OF-1-60R water cooled end discharge starboard manifold to fit the small block Chevrolet (1/2" N.P.T. cooling hose connections). All years.
• OMC-1-912441 direct replacement exhaust manifold (starboard side).
• OMC-1-912442 direct replacement exhaust manifold (port side).
• OMC-1-914035 direct replacement exhaust manifold.
• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• 20-0031 swivel-type 90 degree exhaust elbow connector with internal water discharge. Accepts 2 1/2" to 3" I.D. exhaust hose.
• 20-0055 swivel-type 30 degree exhaust elbow connector; fully jacketed. Accepts 2 1/2" or 3" I.D. exhaust hose.
• OMC-20-913784 direct replacement exhaust riser/ elbow.
• OMC-20-981281 direct replacement exhaust elbow.
• OMC-20-982680 direct replacement exhaust riser/ elbow.
• VO-20-3862627 direct replacement exhaust riser/ elbow 11.3 "New style tall one piece".

Manufactured by Barr Marine. Part number OMC47-909314.

Direct replacement exhaust riser to manifold gasket.

Replaces Sierra 18-0943 and GLM 33810.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 185, 200, 225, 230 and 260 H.P. (log style direct replacement).

Compatible parts:

• OMC-1-912441 direct replacement exhaust manifold (starboard side).
• OMC-1-912442 direct replacement exhaust manifold (port side).
• OMC-20-982680 direct replacement exhaust riser/ elbow.

Manufactured by Barr Marine. Part number OMC47-909786.

Exhaust manifold to head gasket.

Fits OMC (Volvo) 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, all carbureted models with Vortec style head (log style direct replacement).

• The stainless steel restrictor plate is only used in some applications. If you are not sure if the plate is used, please consult your OEM. Two gaskets are required when using the plate (one on each side of the plate).

Compatible parts:

• OMC-1-3858850 direct replacement exhaust manifold.
• OMC-20-3862603 direct repalcement exhaust manifold.

Manufactured by Barr Marine. Part number OMC47-3853256.

Direct replacement exhaust riser/ elbow to manifold gasket.

Replaces HGE 43783 and GLM 33810.

Fits these applications:

• OMC V6 4.3L Cobra, all models (center riser direct replacement).
• OMC V8 5.7L Cobra, all models (center riser direct replacement).
• OMC V8 5.0L and 5.8L Cobra, all carbureted models (center riser direct replacement).
• Volvo V6 4.3L Cobra, all models (center riser direct replacement).
• Volvo V8 5.7L Cobra (center riser direct replacement).
• Volvo V8 5.0L and 5.8L Cobra, all carbureted models (center riser direct replacement).

Compatible parts:

• OMC-1-3852347 direct replacement exhaust i manifold.
• OMC-1-3857656 direct replacement exhaust manifold.
• OMC-1-914035 direct replacement exhaust manifold.
• OMC-20-913784 direct replacement exhaust riser/ elbow.
• VO-20-3862627 direct replacement exhaust riser/ elbow 11.3 "New style tall one piece".

Manufactured by Barr Marine. Part number OMC47-913783.