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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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Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
2%
$59.09 $60.19
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
$59.09 $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
14%
$65.00 $75.50
Crusader 8 Inch Riser Mounting Package Barr Marine CR-20-97169P
$65.00 $75.50
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...
Black Exhaust Thru Hull with Flapper - 3 Inch Centek 1200299
Black Exhaust Thru Hull with Flapper - 3 Inch Centek 1200299 Black Exhaust Thru Hull with Flapper - 3 Inch Centek 1200299
6%
$155.22 $165.22
Black Exhaust Thru Hull with Flapper - 3 Inch Centek 1200299
$155.22 $165.22
Centek Thru Hulls are constructed from compression-molded fiberglass and will not corrode like conventional fitting made from bronze or stainless steel. A weighted rubber flap...
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
7%
$335.00 $361.00
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
$335.00 $361.00
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...
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
29%
$2.40 $3.40
Bolt 12 Point Hd Bolt 3/8-16 X 1 1/4 RS0460
$2.40 $3.40
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
10%
$0.99 $1.10
Bolt For Exhaust Manifold RS0456 - HHCS, GR.8 3/8-16 X 2-1/2 RS0456
$0.99 $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
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
10%
Sold Out
Manifold Exhaust Kit Port Side For Indmar OEM Indmar 4953401
Sold Out
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
8%
$127.53 $138.04
OBDM Lamp Only - No Hardware OEM R179009
$127.53 $138.04
OBDM Lamp Only No Hardware OEM R179009 Original PCM FOR LAMP AND HARDWARE - CLICK HERE FOR PART NUMBER RK179009
Muffler Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
Muffler Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
30%
Sold Out
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...
Manifold Exhaust Indmar Fresh Water Cooled Port Side Indmar 531296FW OEM Indmar
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD
24%
$945.00 $1,249.99
Manifold Exhaust Indmar Fresh Water Cooled Port Side Indmar 531296FW OEM Indmar
$945.00 $1,249.99
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD- FRESH WATER COOLED - NOT RAW WATER COOLED! CLICK HERE For Raw Water Cooled part number 531296 FRESH WATER...
Manifold Exhaust Indmar Fresh Water Cooled Starboard Side Indmar 531297FW OEM Indmar
Manifold Exhaust Indmar Fresh Water Cooled <b>Starboard Side</b> Indmar 531297FW OEM Indmar Manifold Exhaust Indmar Fresh Water Cooled <b>Starboard Side</b> Indmar 531297FW OEM Indmar
24%
$945.00 $1,249.95
Manifold Exhaust Indmar Fresh Water Cooled Starboard Side Indmar 531297FW OEM Indmar
$945.00 $1,249.95
OEM INDMAR - LQ9 MANIFOLD STARBOARD - RIGHT SIDE MANIFOLD-FRESH WATER COOLED - NOT RAW WATER COOLED! CLICK HERE For Raw Water Cooled part number 531297...
Muffler Mastercraft Angled 3-1/2" Offset Inlet At 10° For LY6 Outside Mufflers 252001
Mastercraft Muffler Silent Master for LY6 Part# 252001 - Outside
32%
$435.00 $635.26
Muffler Mastercraft Angled 3-1/2" Offset Inlet At 10° For LY6 Outside Mufflers 252001
$435.00 $635.26
Mastercraft Muffler Silent Master for LY6 Part# 252001 - Outside 10 ° Angled 3-1/2" Offset Inlet with 3-1/2" Outlet These are the mates to the UM-252000 Mufflers...
Muffler Mastercraft Angled 3-1/2" Offset Inlet At 10° For LY6 Inside Muffler 252000
Mastercraft Muffler Silent Master for LY6 - INSIDE Part# 252000 - Inside
28%
Sold Out
Muffler Mastercraft Angled 3-1/2" Offset Inlet At 10° For LY6 Inside Muffler 252000
Sold Out
Mastercraft Muffler Silent Master for LY6 - INSIDE Part# 252000 - Inside 10 ° Angled 3-1/2" Offset Inlet with 3-1/2" Outlet  These are the mates to the UM-252001...
Crankshaft Sensor LQ4 - For 6.0L OEM Crusader- PCM Item R020044
Crankshaft Sensor LQ4 - For 6.0L OEM Crusader- PCM Item R020044
28%
$115.30 $159.95
Crankshaft Sensor LQ4 - For 6.0L OEM Crusader- PCM Item R020044
$115.30 $159.95
6.0 CRANKSHAFT SENSOR OEM PCM CRUSADER R020044 Replaces Indmar 55-1360
Exhaust Manifold Mounting Kit Barr Marine FM-1-83P
Exhaust Riser Mounting Kit Complete Barr Marine CM-20-0082P
7%
$15.29 $16.50
Exhaust Manifold Mounting Kit Barr Marine FM-1-83P
$15.29 $16.50
EXHAUST MANIFOLD COMPLETE MOUNTING KIT Kit includes 4 mounting bolts & plugs for Barr FM-1-83 Ford small block exhaust manifolds. Barr Ford manifold mounting package Bolt...
Gasket Exhaust Elbow 3 Hole 96108
GASKET EXHAUST ELBOW 3 HOLE 96108
17%
$3.19 $3.85
Gasket Exhaust Elbow 3 Hole 96108
$3.19 $3.85
GASKET EXHAUST ELBOW Gasket seals between exhaust manifold & riser extensions for proper cooling water flow. PCM-CRUSADER 96108 Crusader exhaust riser gasket Fits Crusader V8 small...
Gasket Set Head Gasket Set GM 5.7L V8 FP-17230
HEAD GASKET SET FOR GM 5.7L - 350 V8 FEL-PRO GASKET SET
10%
$205.89 $228.20
Gasket Set Head Gasket Set GM 5.7L V8 FP-17230
$205.89 $228.20
HEAD GASKET SET FOR GM 5.7L - 350 V8 FEL-PRO GASKET SET GM 5.7L Marine Head Set For GM 350 cu. in. marine engines Not...
Gasket Set Intake Manifold Gasket Set 1996 And Up GM Small Block 305-350
Gasket Set Intake Manifold Gasket Set 1996 And Up GM Small Block 305-350 GASKET SET INTAKE MANIFOLD GASKET SET - 1996 AND UP GM SMALL BLOCK 305-350
17%
$52.00 $62.99
Gasket Set Intake Manifold Gasket Set 1996 And Up GM Small Block 305-350
$52.00 $62.99
INTAKE MANIFOLD GASKET SET - 1996 AND UP GM SMALL BLOCK  305-350 Marine grade intake gasket set. Also fits various Mercruiser V8 305 and 350...
Bolt Riser HHCS - 3/8-16 X 1-1/4 PCM RS0305
Bolt HHCS - 3/8-16 X 1-1/4 PCM RS0305 - Replaces Crusader 179841, 180124, 90305125 Bolt HHCS - 3/8-16 X 1-1/4 PCM RS0305 - Replaces Crusader 179841, 180124, 90305125
69%
$0.46 $1.49
Bolt Riser HHCS - 3/8-16 X 1-1/4 PCM RS0305
$0.46 $1.49
BOLT 3/8-16 X 1-1/4  PCM RS0305 OEM PCM Works with Indmar Replaces Crusader 179841, 180124, 90305125 And Indmar 565944Q Yellow zinc grade 8 hex head bolt...
Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs
Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs
15%
$89.00 $104.95
Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs
$89.00 $104.95
DRAIN EZ FOR EXHAUST MANIFOLD REPLACES INDMAR OR PCM 3/4" PIPE PLUGS Excellent way to upgrade the way you drain you engine and winterize!
Items 161 to 180 of 270 total