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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

GEN 3 - RAW WATER COOLED - NON CATALYZED 1 PIECE EXHAUST MANIFOLD "L" SERIES CHEVROLET ENGINES PORT SIDE FOR SALT WATER SERIES.
$2,440.00
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD RAW WATER COOLED - NOT FRESH WATER COOLED! CLICK HERE For FRESH Water Cooled part number 531296FW GEN 3 -...
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$218.90 $273.90
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs
$89.95 $129.99
DRAIN EZ FOR ENGINE BLOCK REPLACES INDMAR OR PCM 1/4" PIPE PLUGS Excellent way to upgrade the way you drain you engine and winterize! Block...
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...
2008-2012 Muffler Mastercraft Angled 3-1/2" Offset Inlet At 20° Angle Vertical 280-MCX 252002
$472.50 $699.99
Mastercraft Muffler Silent Master for MCX 2008 - 2012 Part# 252002 20 ° Angled 3-1/2" Offset Inlet Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Exhaust Hardware Ford 302 & 351 1 Side Exhaust Hardware Ford 302 & 351 1 Side
$85.00 $105.99
OEM Pleasurecraft Marine complete engine set for ONE side of engine. Either side. Includes bolts for 3" & 3-1/2" riser for one side of engine. Includes...
Neoprene Exhaust Tip Gasket Corsa® Performance 10197
$12.00 $14.48
The gasket is made to seal between Corsa 4 in. exhaust tip & the boat's transom. Thru hull exhaust tip gasket For 4 inch exhaust...
Exhaust Service Installation Kit PCM GM 5.0 - 5.7 Both Sides Complete Set PCM RP173091
$133.05
OEM Pleasurecraft Marine EXHAUST SERVICE INSTALLATION KIT PCM GM 5.0 - 5.7 BOTH SIDES COMPLETE SET PCM RP173091 Includes Manifold Gaskets, Riser Gaskets, All Bolts,...
2004-2006 Muffler Kit Mastercraft - MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A
$1,309.22 $1,801.79
MUFFLER KIT MASTERCRAFT 2004-2006 MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A Does NOT include the rubber elbows! Inlets are tilted outwards towards the end caps Inlet holes are...
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...
Indmar Complete Re-Plumb Kit 5.7L EXT Catalyzed Engines Original Indmar | MIM-495180
$495.00 $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...
Gasket Exhaust Adaptor Mounting Ilmor OEM 500-0007
$6.75
OEM  ILMOR - 500-0007 Exhaust Adaptor Mounting Gasket Ilmor Exhaust adapter Gasket is need for your Ilmor engine. See compatible engines below PART #500-0007 Compatible...
454 Exhaust Manifold Kit Replaces The NLA PCM R028010
$1,182.81
NOTE - PCM no longer sells the R028010 Manifold for the 454 engine. In order to convert, you have to use Barr CHVA-1-84 and 20-0082 and...
Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED
$70.00 $83.79
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
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,...
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 Riser Crusader 4 Inch Barr Marine CR-20-98126
$299.95 $430.00
Direct replacement Crusader marine engine with center rise exhaust manifold. ORIGINAL Shorter Version Barr Marine replacement Crusader 4 inch exhaust elbow Used on Crusader marine...
Manifold Exhaust Crusader - PCM 6.0L - ZR - 2004 & Up R028024
$402.15
OEM Crusader Marine center rise manifold fits Crusader GM 6.0L marine engines from 2004 & up. Interchangeable between port and starboard side - Fits either side. Crusader...
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
$2,440.00
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...
Manifold Corner To Cross Over CAT Gasket - All years - RM0286
$71.00
Manifold Corner To Cross Over CAT Gasket - All years - RM0286 PCM Port & Starboard Manifold Corner To Crossover gasket Sold individually
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