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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.

Scroll down for all Exhaust Related Items

Gasket Manifold Exhaust All GM Small Block Exhaust Manifold to Head Gasket 18-2902-1
$17.89 $18.99
Gasket seals exhaust manifold to cylinder head on GM V8 small block marine engines. Exhaust manifold gasket For GM V8 283, 305, 307, 327, 350,...
Pipe Plug 1/2 Inch NPT Brass Pipe Plug Indmar OEM 60-5034 Pipe Plug 1/2 Inch NPT Brass Pipe Plug Indmar OEM 60-5034
$4.15 $4.47
1/2 inch NPT pipe plug made of brass Used when replacing your No Longer Available thermostat housing part number 53-1402 with the new style Indmar...
Gasket Exhaust Riser To Manifold PCM 454 & All GM Big Blocks RM0099
$51.68
GASKET EXHAUST RISER TO MANIFOLD PCM ALL BIG BLOCKS 454, 460, 502, 8.1 RM0099 Sold Each The blocked water passage goes towards the exhaust outlet.The...
2013 Muffler Mastercraft - Starboard 3.5"Inlet W/68° Angle Tilted 15° - 90° Outlet  OEM 252089S
$909.49 $1,138.57
MUFFLER MASTERCRAFT 2013 STARBOARD Starboard 3.5" inlet w/68° angle tilted 15° 90° outlet OEM 252089S MUFFLER - STARBOARD SIDE 2013 - 2014 IF YOU NEED...
2013-2014 Muffler Mastercraft- 3.5" Inlet/Outlet - Port Universal  OEM 252087P
$708.68 $1,037.30
MUFFLER MASTERCRAFT 2013 - 2014 3.5"inlet/outlet Port Universal OEM 252087P MUFFLER - PORT SIDE 2013 - 2014 Manufactured by Ultra Marine. Easy to install! Ultra...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
$545.00 $873.26
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5" inlet/outlet Vertical Port 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252062 MUFFLER-3.5" VERT. PORT LATE '09-'11 214V/MS/XS/ex.35 USE W/RTP/MCX/LY6 CLICK HERE...
2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050 2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
$521.64 $873.28
MUFFLER MASTERCRAFT 2009 - 2011 4" Inlet with 60° angle 3.5" Outlet with 80° angle Vertical 8.1 Liter 235/245/255/XS OEM 252050 MUFFLER-4 > 3.5 FG...
Bolt Riser Bolt To Replace The Older Allen Head Bolts 3/8"-16 X 1" OEM 565944Q
$1.00 $1.08
Use to replace Indmar Allen Head Riser Bolts These are regular hex head bolts from Indmar Replaces Indmar Bolt Riser Bolt OEM  565255Q Allen Head Bolts...
Indmar Complete Re-Plumb Kit 5.7L EXT Catalyzed Engines Original Indmar | MIM-495180
$395.00 $544.95
OEM Indmar Complete Full RE-PLUMB CONVERSION KIT FOR 5.7 EXT CAT This kit changes the water flow through the 5.7L ETX CAT exhaust manifolds (re-routes...
Manifold Exhaust Kit Manifold Tube N Tube Complete Set OEM Indmar 493402
$3,785.33 $4,076.51
Indmar 6.0L Manifold Kit with Clamps & Gasket OEM 49-3402 PORT and STARBOARD With All Hardware USE AS REPLACEMENT FOR CLAMSHELL MANIFOLDS TUBE IN TUBE...
Gasket Exhaust Riser Elbow Gasket Crusader 98127
$15.31
OEM Gasket seals between manifold, riser, & elbow on Crusader center rise exhaust manifolds. Crusader center rise elbow gasket For Crusader V8 small block 305...
Exhaust Elbow 4 Inch Center Rise Crusader R029015
$378.75
We also have the High Rise BARR Version click HERE. Crusader exhaust elbow with 4 inch inch hose connection used on the center rise manifold...
Nut - Hex Nut -7/16-20 OEM RS1529
$0.35
Hex Nut 7/16-20 OEM  HEX NUT Replaces Crusader 272231, 95410201
GEN 3 - RAW WATER COOLED - NON CATALYZED 1 PIECE EXHAUST MANIFOLD "L" SERIES CHEVROLET ENGINES STARBOARD SIDE FOR SALT WATER SERIES. STARBOARD SIDE - RIGHT SIDE
$861.90 $928.20
OEM INDMAR - LQ9 MANIFOLD STARBOARD - RIGHT SIDE MANIFOLD RAW WATER COOLED - NOT FRESH WATER COOLED! CLICK HERE For FRESH Water Cooled part number 531297FW GEN...
Gasket Circulation Pump Gasket Chevy Small Block 2 Pack Gasket Circulation Pump Gasket Chevy Small Block 2 Pack
$5.48 $6.39
Water Pump Mounting Gasket 18-0891 - 2 Gasket Pack Sold Each Water Pump Mounting Gasket Replaces Chris Craft 16.50-00078 Replaces Crusader 7141690 Replaces Mercury Marine...
Elbow Exhaust 6.0L ZR6-ZR409-ZR450 2003 & Up PCM R029016
$365.55
OEM Pleasurecraft Marine Exhaust Elbow- R029016A 6.0L Exhaust Elbow PCM exhaust riser for the 6.0L ZR engines ZR6, ZR409 & ZR450 For the manifold, order Part#...
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