Accessories - Header and Manifold Gaskets

Manifold to cylinder head gasket set, (1) required per engine.

Replaces Osco 826GH.

Fits Chrysler V8 273, 318, 340 and 360 C.I.D., all models 1966 and up (log style direct replacement).

• Replaces Chrysler part # 3745220.
• Will fit both manifold styles.

Compatible parts:

• CM-20-1947617 exhaust elbow extension retainer.

Manufactured by Barr Marine. Part number CM-1-6672P.

Exhaust manifold to head gasket for 4 and 6 cylinder manifolds (order (2) of the appropriate gaskets per manifold).

Fits Detroit Diesel 3-71, 6V-71, 4-71, 8V-71, 6-71 and 12V-71, all models (direct replacement).

• Detroit 71 series exhaust will fit some of the earlier 92 series engines. Please call for assistance.

Compatible parts:

• DD-1-3710 direct replacement water cooled exhaust manifold to fit the 3 and 6V cylinder 71 Series Detroit Diesel.
• DD-1-4710 direct replacement water cooled exhaust manifold to fit the 4 and 8V cylinder 71 and early style 92 Series Detroit Diesel.

Manufactured by Barr Marine. Part number DD47-5150195.

Exhaust manifold to head gasket for 6 cylinder manifold (order (1) of the appropriate gasket per manifold).

Fits Detroit Diesel 3-71, 6V-71, 4-71, 8V-71, 6-71 and 12V-71, all models (direct replacement).

• Detroit 71 series exhaust will fit some of the earlier 92 series engines. Please call for assistance.

Compatible parts:

• DD-1-3710 direct replacement water cooled exhaust manifold to fit the 3 and 6V cylinder 71 Series Detroit Diesel.
• DD-1-4710 direct replacement water cooled exhaust manifold to fit the 4 and 8V cylinder 71 and early style 92 Series Detroit Diesel.

Manufactured by Barr Marine. Part number DD47-5150196.

Manifold to cylinder head gasket.

Replaces Mallory 9-61420, HGE 10001 and GLM 33790.

Fits these applications:

• Crusader V8 302 and 351 C.I.D., all models (center riser generic).
• Indmar V8 302 and 351 C.I.D., all inboard models (center riser generic).
• Interceptor V8 221, 260, 289, 302 and 351 C.I.D., all models (center riser generic).
• MerCruiser V8 (Ford) 302 and 351 C.I.D., all models (center riser generic).
• OMC (Ford) V8 302 and 351 C.I.D., all models (center riser generic).
• OMC V8 5.0L and 5.8L Cobra, all carbureted models (center riser direct replacement).
• PCM V8 302 and 351 C.I.D., all years (center riser generic).
• Volvo V8 5.0L and 5.8L Cobra, all carbureted models (center riser direct replacement).
• Waukesha V8 302 and 351 C.I.D., all years (center riser generic).

Compatible parts:

• FM-1-83 water cooled center discharge manifold to fit the small block Ford engine (3/4" N.P.T. cooling hose connections). All years.
• OMC-1-3852347 direct replacement exhaust i manifold.
• 20-0082 water cooled center discharge riser (3/4" N.P.T. cooling hose connection). Standard for use with 3" I.D. exhaust hose.
• 20-0100 water cooled center discharge riser (3/4" N.P.T. cooling hose connection). Standard for use with 4" I.D. exhaust hose.
• 20-0102 water cooled center discharge riser (3/4" N.P.T. cooling hose connection).
• OMC-20-913784 direct replacement exhaust riser/ elbow.
• 20-0097 3" spacer block (complete with mounting hardware, gasket and 3/4" pipe plug). Capable of stacking.

Manufactured by Barr Marine. Part number FM-47-0000.

Direct replacement exhaust manifold to cylinder head gasket.

Replaces Mallory 9-61419 and Sierra 18-1204.

Fits MerCruiser 4 cylinder 153 and 181 C.I.D., 120 H.P. (2.5L) and 140 H.P. (3.0L), Models 120R and 140R-MR/Alpha 1 (log style direct replacement).

Compatible parts:

• MC-1-95862 direct replacement water cooled manifold (Rochester (3 1/4" X 1 7/8") bolt pattern). 6 bolt mounting.
• MC-1-96705 direct replacement water cooled manifold (Rochester (3 1/4" X 1 7/8") bolt pattern). 6 bolt mounting.
• MC-1-99798 direct replacement water cooled manifold (MerCarb (3 11/16" X 2") bolt pattern). 6 bolt mounting.
• MC-20-12076 direct replacement exhaust riser.
• MC-20-76325 direct replacement exhaust riser.
• MC-20-61851A3 manifold to riser 3" spacer (single block). Includes all mounting hardware, gaskets and drain plug.

Manufactured by Barr Marine. Part number MC47-27-96429.

Replacement cylinder head to exhaust manifold gasket.

Replaces GLM 33580.

Fits MerCruiser 4 cylinder 181 C.I.D. 140 H.P. 3.0L and 3.0LX, all models 1990 and up with Vortec style head (log style direct replacement).

Compatible parts:

• MC-1-860235 direct replacement exhaust manifold.
• MC-20-12076 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number MC47-27-815528.

Direct replacement manifold to head gasket.

Replaces HGE 46401 and Sierra 18-2830.

Fits MerCruiser straight 6 cylinder Model 165 (log style direct replacement).

Compatible parts:

• MC-1-58759 direct replacement water cooled manifold to fit the 6 cyl. GM (Model 165) engine.
• MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
• MC-20-76351 direct replacement exhaust elbow riser.
• MC-20-61851A3 manifold to riser 3" spacer (single block). Includes all mounting hardware, gaskets and drain plug.

Manufactured by Barr Marine. Part number MC47-27-46401.

Direct replacement exhaust manifold to head gasket.

Replaces Mallory 9-61420 and Sierra 18-0183.

Fits MerCruiser V8 (Ford) 302 and 351 C.I.D., Models 188, 215, 225, 233, 255 and 888 inboard and I/O units (log style direct replacement).

Compatible parts:

• MC-1-65603 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-65604 direct replacement water cooled exhaust manifold (port side).
• MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
• MC-20-76351 direct replacement exhaust elbow riser.
• MC-20-76771 direct replacement exhaust elbow riser.
• MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.

Manufactured by Barr Marine. Part number MC47-27-73866.

Direct replacement manifold to head gasket.

Replaces Mallory 9-61421, HGE 99757, Sierra 18-2909 and GLM 32170.

Fits these applications:

• MerCruiser V6 229 and 262 C.I.D., Models 185R, 185MR, 205R and 205MR (center riser direct replacement).
• OMC V6 4.3L Cobra, all models (center riser direct replacement).
• Volvo V6 4.3L Cobra, all models (center riser direct replacement).

Compatible parts:

• MC-1-99746 direct replacement water cooled exhaust manifold.
• OMC-1-3857656 direct replacement exhaust manifold.
• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• OMC-20-913784 direct replacement exhaust riser/ elbow.
• VO-20-3862627 direct replacement exhaust riser/ elbow 11.3 "New style tall one piece".
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.

Manufactured by Barr Marine. Part number MC47-27-99757.

Direct replacement exhaust manifold to head gasket.

Replaces Mallory 9-61400, HGE 46820, Sierra 18-0418 and GLM 33760.

Fits these applications:

• MerCruiser V8 325, 330, 350, 370 and 400, inboard and stern drive units (log style direct replacement).
• MerCruiser V8 Models 330, 340 and 454 Magnum, inboard and stern drive units (center riser direct replacement).

Compatible parts:

• MC-1-47735 direct replacement water cooled exhaust manifold (port side).
• MC-1-47736 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-76668 direct replacement exhaust elbow riser.
• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.

Manufactured by Barr Marine. Part number MC47-27-46820.

Direct replacement exhaust manifold to head gasket.

Replaces Sierra 18-0872 and GLM 31100.

Fits these applications:

• MerCruiser V8 198, 228, 255, 260 and 898, inboard and stern drive units (log style direct replacement).
• MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).
• MerCruiser V8 225, 250, 255, 270 and 280, inboard and stern drive units (log style direct replacement).

Compatible parts:

• MC-1-47737 direct replacement water cooled exhaust manifold (port side).
• MC-1-47738 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-77234 direct replacement water cooled exhaust manifold (port side).
• MC-1-77235 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-87114 direct replacement water cooled exhaust manifold.
• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-76351 direct replacement exhaust elbow riser.
• MC-20-76668 direct replacement exhaust elbow riser.
• MC-20-76771 direct replacement exhaust elbow riser.
• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.

Manufactured by Barr Marine. Part number MC47-27-33395.

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.

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.

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.

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.

End cap gasket for 283 C.I.D. with flywheel forward (Order (2) of the appropriate gaskets according to your requirements).

Replaces Chris-Craft 16.20-06022, Osco 6022 and Mallory 9-65201.

Fits these applications:

• Chris-Craft V8 283, 302, 305, 307, 327 and 350 C.I.D., all models (log style direct replacement).
• Chris-Craft V8 283, 302, 305, 307, 327 and 350 C.I.D., all models (generic).

Compatible parts:

• CC-1-07686 direct replacement water cooled manifold.
• 20-0000 swivel-type high discharge exhaust riser; 8 1/2" riser protection. Requires (1) mounting hardware kit #20-0002P per riser.
• 20-0031 swivel-type 90 degree exhaust elbow connector with internal water discharge. Accepts 2 1/2" to 3" I.D. exhaust hose.
• 20-0039 fully jacketed swivel-type exhaust riser; 7" riser protection. Requires (2) mounting hardware kits #20-0002P ((1) kit to mount riser to manifold and (1) kit to mount elbows #20-0034 or #20-0035 to riser).
• 20-0055 swivel-type 30 degree exhaust elbow connector; fully jacketed. Accepts 2 1/2" or 3" I.D. exhaust hose.
• CC-20-07605 direct replacement exhaust elbow.
• CC-20-08288 direct replacement port side riser.
• CC-20-08289 direct replacement starboard side riser.

Manufactured by Barr Marine. Part number CC47-1650-06022.

End cap gasket for all models except 283 C.I.D. with flywheel forward (Order (2) of the appropriate gaskets according to your requirements).

Replaces Chris-Craft 16.20-05944, Osco 05944 and Mallory 9-65200.

Fits these applications:

• Chris-Craft V8 283, 302, 305, 307, 327 and 350 C.I.D., all models (log style direct replacement).
• Chris-Craft V8 283, 302, 305, 307, 327 and 350 C.I.D., all models (generic).

Compatible parts:

• CC-1-07686 direct replacement water cooled manifold.
• 20-0000 swivel-type high discharge exhaust riser; 8 1/2" riser protection. Requires (1) mounting hardware kit #20-0002P per riser.
• 20-0031 swivel-type 90 degree exhaust elbow connector with internal water discharge. Accepts 2 1/2" to 3" I.D. exhaust hose.
• 20-0039 fully jacketed swivel-type exhaust riser; 7" riser protection. Requires (2) mounting hardware kits #20-0002P ((1) kit to mount riser to manifold and (1) kit to mount elbows #20-0034 or #20-0035 to riser).
• 20-0055 swivel-type 30 degree exhaust elbow connector; fully jacketed. Accepts 2 1/2" or 3" I.D. exhaust hose.
• CC-20-07605 direct replacement exhaust elbow.
• CC-20-08288 direct replacement port side riser.
• CC-20-08289 direct replacement starboard side riser.

Manufactured by Barr Marine. Part number CC47-1650-05944.

End plate gasket, (2) required per manifold.

Replaces Osco 121 and Mallory 9-65301.

Fits Chrysler V8 361, 383, 400, 413, 426 and 440 C.I.D., all models 1959 and up (log style direct replacement).

Compatible parts:

• CM-1-5972A direct replacement water cooled manifold for big block Chrysler.
• CM-20-4142411 exhaust riser/upper elbow. Direct replacement for Chrysler part #'s 3745639, 2847623, 2487404 and E9233M.
• CM-20-9234 exhaust riser lower elbow. Direct replacement for Chrysler part # E9234M.
• CM-20-1947617 exhaust elbow extension retainer.
• CM-20-9232 6" exhaust elbow high riser extension. Direct replacement for Chrysler part # E9232M.

Manufactured by Barr Marine. Part number CM-1-5972C.

End flange gasket for fresh water cooled manifolds, (1) required per exhaust end.

Fits Chrysler V8 273, 318, 340 and 360 C.I.D., all models 1966 and up (log style direct replacement).

• Will fit both manifold styles.

Compatible parts:

• CM-20-1947617 exhaust elbow extension retainer.

Manufactured by Barr Marine. Part number CM-1-6672J.

End flange gasket for raw water cooled manifolds, (2) required per manifold.

Replaces Mallory 9-65300 and Sierra 18-2941.

Fits Chrysler V8 273, 318, 340 and 360 C.I.D., all models 1966 and up (log style direct replacement).

• Replaces Chrysler part # 2847480.
• Will fit both manifold styles.

Compatible parts:

• CM-20-1947617 exhaust elbow extension retainer.

Manufactured by Barr Marine. Part number CM-1-6672D.