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Inboard Marine Engine Exhaust Parts

Inboard Boat Exhaust Parts

Does your boat need replacement parts? At My Inboard Marine, we carry a wide range of inboard boat exhaust parts perfect for fixing or replacing worn out components within the exhaust system. At My Inboard Marine, we carry original equipment. We have everything from nuts and bolts to screws and mufflers from brand names including PCM, Indmar, Mercury, and Mercruiser. Whatever you need, we’ve got it in stock. Keep your boat running efficiently and pulling strong with our specialty marine equipment.

Allow yourself to avoid the headache of running from store to store looking for the right part. Instead, shop through our easy to navigate online store to find the right item for you boat. Browse our store and grab your inboard boat exhaust items from us today.

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2004-2006 Muffler Kit Mastercraft - 3.5" MCX 280 Twin Port OEM 253016
2004-2006 Muffler Kit Mastercraft - 3.5" MCX 280 Twin Port OEM 253016
$1,124.32 $1,699.83
2004-2006 Muffler Kit Mastercraft - 3.5" MCX 280 Twin Port OEM 253016
$1,124.32 $1,699.83
MUFFLER MASTERCRAFT 2004-2006 PORT SIDE 3.5" MCX 280 Twin THE INLETS ( 2 ) ARE 3.5 INCH AND THE OUTLET ( 1 ) IS 3.5...
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746 Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
$245.41 $590.00
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
$245.41 $590.00
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746 Direct replacement, water cooled, center discharge MerCruiser exhaust manifold. Replaces MerCruiser part #'s #399746A3 and #99746A8. Direct...
3 inch Mercruiser Exhaust Riser | Barr MC-20-98504
3 inch Mercruiser Exhaust Riser | Barr MC-20-98504 3 inch Mercruiser Exhaust Riser | Barr MC-20-98504
$236.48 $350.00
3 inch Mercruiser Exhaust Riser | Barr MC-20-98504
$236.48 $350.00
3 InchExhaust Riser BARR-MC-20-98504 Direct replacement, water cooled, center discharge MerCruiser exhaust riser. Replaces MerCruiser part #B-98504A3. Uses 3" I.D. exhaust hose. 15 degree angle....
Catalyzed Exhaust Manifold Starboard MV8 5.7L | 5000 MPI Ilmor Engine OEM PE01446 CHARCOAL
Catalyzed Exhaust Manifold Starboard MV8 5.7L | 5000 MPI Ilmor Engine OEM PE01446 CHARCOAL Catalyzed Exhaust Manifold Starboard MV8 5.7L | 5000 MPI Ilmor Engine OEM PE01446 CHARCOAL
$2,437.98 $2,537.89
Catalyzed Exhaust Manifold Starboard MV8 5.7L | 5000 MPI Ilmor Engine OEM PE01446 CHARCOAL
$2,437.98 $2,537.89
OEM  ILMOR - PE01446 CHARCOAL STARBOARD Ilmor Starboard Exhaust Manifold PE01446-CHARCOAL is one of the main parts that helps to keep your emissions under control....
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
$428.99 $517.00
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
$428.99 $517.00
Original Equipment Cast iron center rise exhaust manifold fits Mercruiser 898R, 228R, & 260R marine engines. Includes bolts and gaskets for riser and manifold; full...
Valve Stem Seal 454 Set of 16 | R047182
Valve Stem Seal 454 | OEM Crusader R047182
$147.04 $205.99
Valve Stem Seal 454 Set of 16 | R047182
$147.04 $205.99
Valve Stem Seal - SOLD PER SET OF 16 Replaces Crusader 30241 Replaces Pleasurecraft R047182
Tee For Exhaust Drain Hose Indmar 60-5904
Tee For Exhaust Drain Hose Indmar 60-5904
$2.12 $2.28
Tee For Exhaust Drain Hose Indmar 60-5904
$2.12 $2.28
Exhaust Drain Hose Tee OEM Indmar 605904 Plastic T that fits 5/8" hose with threaded drain hole For COMPLETE Hose Kit with Tee and Drain...
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
$41.17 $44.34
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
$41.17 $44.34
Exhaust Drain Hose Tee OEM Indmar 605904 Plastic T that fits 5/8" hose with threaded drain hole For Plastic Tee Fitting - CLICK HERE For...
Manifold to Cylinder Head Bolt 3/8-16 x 1-1/2 Crusader 90348150
Manifold to Cylinder Head Bolt - 3/8-16 x 1-1/2 Crusader 90348150
$2.25
Manifold to Cylinder Head Bolt 3/8-16 x 1-1/2 Crusader 90348150
$2.25
Used to mount Crusader MP5.7 and MP7.4 center style exhaust manifold to cylinder head. Replaces Crusader 21307 and 186628 If you need the other, Gold...
Fiberglass Exhaust Reducer 3.5 Inch to 4 Inch Centek Industries 1200222
Fiberglass Exhaust Reducer 3.5 Inch to 4 Inch Centek Industries 1200222
$110.00 $132.12
Fiberglass Exhaust Reducer 3.5 Inch to 4 Inch Centek Industries 1200222
$110.00 $132.12
3.5 inch to 4 inch Fiberglass Exhaust Reducer Centek Industries 1200222 SOLD EACH 3.5" to 4" Fiberglass Exhaust Reducer Connects 3.5 in. inside diameter hose...
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
$60.19
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
$60.19
Upper Intake Gasket GT 40 OEM PCM-RM0236 Replaces OMC/Johnson/Evinrude 3853636 Replaces Volvo Penta 3853636
Crusader 8 Inch Riser Mounting Package Barr Marine CR-20-97169P
Crusader 8 Inch Riser Mounting Package Barr Marine CR-20-97169P
$57.78 $69.00
Crusader 8 Inch Riser Mounting Package Barr Marine CR-20-97169P
$57.78 $69.00
Mounting package for Crusader 97169 exhaust riser includes needed gaskets, studs, nuts & washers. Barr Crusader riser hardware kit For Crusader 97169 & Barr CR-20-97169...
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
$294.00 $394.00
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
$294.00 $394.00
3 InchExhaust Riser BARR-MC-20-76771 Barr Mercruiser inboard exhaust riser Fits Mercruiser 198, 228, 255, 260, 898, 188, 215, 225, 233, 255, and 888 model marine...
GM Small Block Exhaust Manifold Barr OMC-1-914035
GM Small Block Exhaust Manifold Barr OMC-1-914035
$433.00 $552.00
GM Small Block Exhaust Manifold Barr OMC-1-914035
$433.00 $552.00
The Barr OMC-1-914035 cast iron center rise exhaust manifold fits OMC & Volvo Penta 5.7L 350 CID marine engines. Comes with gaskets and mounting hardware...
Bolt 12 Point Hd Bolt 3/8-16 X 1 1/4 RS0460
Bolt 12 Point Hd Bolt 3/8-16 X 1 1/4 RS0460
$2.45
Bolt 12 Point Hd Bolt 3/8-16 X 1 1/4 RS0460
$2.45
BOLT 3/8 16 X 1 1/4 - RS0460 SOLD EACH! Bolt, Torque HD 3/8-16 X 1-1/4 RS0460 3/8 16 X 1-1/4 12 POINT HD Replaces...
Bolt For Exhaust Manifold RS0456 - HHCS, GR.8 3/8-16 X 2-1/2 RS0456
Bolt For Exhaust Manifold RS0456 - HHCS, GR.8 3/8-16 X 2-1/2 RS0456
$1.10
Bolt For Exhaust Manifold RS0456 - HHCS, GR.8 3/8-16 X 2-1/2 RS0456
$1.10
BOLT 3/8 16 X 2 1/2 - RS0456 SOLD EACH! HHCS, GR.8 3/8-16 X  2-1/2 6 Bolts are needed per manifold OEM Exhaust Manifold Bolt
Bolt For Exhaust Manifold RS0454 - RS0310
Bolt For Exhaust Manifold RS0454 - RS0313
$1.80
Bolt For Exhaust Manifold RS0454 - RS0310
$1.80
BOLT 3/8 16 X 3 1/4 - Replaces RS0310 SOLD EACH! HHCS, GR.8 3/8-16 X  3-1/4 6 Bolts are needed per manifold OEM Exhaust Manifold...
Manifold Exhaust Kit Port Side For Indmar OEM Indmar 4953401
Manifold Exhaust Kit Port Side For Indmar OEM Indmar 4953401 Manifold Exhaust Kit Port Side For Indmar OEM Indmar 4953401
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Manifold Exhaust Kit Port Side For Indmar OEM Indmar 4953401
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Indmar 6.0L Manifold Kit with Clamps & Gasket PORT SIDE with CAT 49-53401 Indmar Marine Engines 6.0L Manifold Kit with Clamps & Gasket.Port Side Chevrolet...
OBDM Lamp Only - No Hardware OEM R179009
OBDM Lamp Only - No Hardware OEM R179009
$138.04
OBDM Lamp Only - No Hardware OEM R179009
$138.04
OBDM Lamp Only No Hardware OEM R179009 Original PCM FOR LAMP AND HARDWARE - CLICK HERE FOR PART NUMBER RK179009
Volvo Penta Center Rise Exhaust Elbow Barr Marine OMC-20-913784
Volvo Penta Center Rise Exhaust Elbow Barr Marine OMC-20-913784
$243.72 $326.00
Volvo Penta Center Rise Exhaust Elbow Barr Marine OMC-20-913784
$243.72 $326.00
Direct replacement riser for many Volvo Penta & OMC marine engines with center rise exhaust manifolds. Barr OMC exhaust riser elbow Fits Volvo Penta and...
Intake Gasket Set - 302 - 1986 And Up OEM RM0187
Intake Gasket Set - 302 - 1986 And Up OEM RM0187 Intake Gasket Set - 302 - 1986 And Up OEM RM0187
$57.34
Intake Gasket Set - 302 - 1986 And Up OEM RM0187
$57.34
INTAKE MANIFOLD GASKET SET for 302 - OEM RM0187 Note that there is a smaller hole called a restrictor in this gasket that reduces the...
Exhaust Manifold Crusader Center Rise Big Block Barr Marine CR-1-98125
Exhaust Manifold 7.4L & 8.2L Crusader Center Rise Big Block Barr Marine CR-1-98125 Exhaust Manifold 7.4L & 8.2L Crusader Center Rise Big Block Barr Marine CR-1-98125
$575.16 $660.00
Exhaust Manifold Crusader Center Rise Big Block Barr Marine CR-1-98125
$575.16 $660.00
Direct replacement center rise exhaust manifold for Crusader 454 cu. in. & 502 cu. in. marine engines. Exhaust Manifold INCLUDES MOUTNING KIT Barr Crusader marine...
Muffler Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
Muffler Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
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Muffler Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
Sold Out
MUFFLER MASTERCRAFT STRAIGHT 17" Overall Length. 3.0" offset  inlet/outlet - Note: 3" (3 Inch Inlet/Outlet) 17" OAL  OEM 252019 Manufactured by Ultra Marine. Easy to...
Gasket Exhaust Manifold To Head GM V-6 - 18-2909-9
Gasket Exhaust Manifold To Head GM V-6 - 18-2909
$22.94 $23.89
Gasket Exhaust Manifold To Head GM V-6 - 18-2909-9
$22.94 $23.89
Manifold To Head Gasket - PACK OF 2 Gasket seals exhaust manifold to cylinder head on GM 3.8L & 4.3L CID marine engines. Exhaust manifold...
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