PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

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 Exhaust Riser To Manifold - Replaces RM0009 Sierra 18-0676-1
35%
Sold Out
GASKET EXHAUST RISER TO MANIFOLD Exhaust Elbow Gasket  Exhaust Elbow Gasket for Pleasurecraft Inboards Replaces OEM# PCM-RM0099 NO LONGER AVAILABLE IN SIERRA® PLEASE SEE OEM...
Gasket Manifold Exhaust All GM Small Block Exhaust Manifold to Head Gasket 18-2902-1
6%
$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 Manifold Exhaust To Head - All GM Big Block Indmar CHVA-47-0000
26%
$16.95 $22.79
Manifold Exhaust Gasket - GM Big Block - Barr Original Indmar SOLD PER SIDE - NEED TWO PER ENGINE! Replaces Mercruiser 27-46820 Replaces Volvo Penta 3852472 Replaces...
Aluminum Exhaust Riser 8.1L GM Indmar OEM 53-1077
15%
$585.00 $689.98
Direct Indmar replacement aluminum exhaust riser. Designed for the fuel injected big block 8.1 Liter GM marine engine. Direct Indmar replacement aluminum exhaust riser. Designed...
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
25%
$6.00 $7.95
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...
GEN 3 - RAW WATER COOLED - NON CATALYZED 1 PIECE EXHAUST MANIFOLD "L" SERIES CHEVROLET ENGINES PORT SIDE FOR SALT WATER SERIES.
16%
$969.20 $1,149.95
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 <b>No Baffle-Muffler</b> Outlet Stainless Steel No Flapper Needed
20%
$199.00 $249.00
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...
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
38%
$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
40%
$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...
Exhaust Hardware Ford 302 & 351 1 Side Exhaust Hardware Ford 302 & 351 1 Side
20%
$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...
Manifold Exhaust For Indmar Ford 351 - 302 Engines With Mounting Kit & Gasket Indmar BARR FM-1-83
24%
$439.00 $577.00
Barr Manifold With Install Kit Ford 351 & 302 Engines - All years SOLD PER SIDE - NEED TWO PER ENGINE! Manufactured by Barr. Includes...
Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED
4%
$70.00 $72.99
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
Mounting Kit For Aluminum Manifold Indmar Big Block Riser 545 - 502 - 8.1 OEM 49-5141 Mounting Kit For Aluminum Manifold Indmar Big Block Riser 545 - 502 - 8.1 OEM 49-5141
31%
$33.32 $47.95
Indmar OEM Mounting Kit Sold Each For Manifold Indmar 53-1278 Big Block 8.1 Aluminum Manifold 545 - 502 - 8.1
Gasket Exhaust Riser Elbow Gasket Crusader 98127
9%
$15.45 $16.91
OEM Gasket seals between manifold, riser, & elbow on Crusader center rise exhaust manifolds. Crusader center rise elbow gasket For Crusader V8 small block 305...
Riser Shim Plate Stainless Steel Crusader 98124A
4%
$8.95 $9.29
OEM Winged pass-thru plate for Crusader raw water cooled engines with center rise exhaust manifolds. Crusader exhaust riser pass-thru plate Stainless steel shim located between...
Exhaust Elbow 4 Inch Center Rise Crusader R029015
8%
$347.00 $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...
Manifold Corner To Cross Over CAT Gasket - All years - RM0286
5%
$76.29 $79.95
Manifold Corner To Cross Over CAT Gasket - All years - RM0286 PCM Port & Starboard Manifold Corner To Crossover gasket Sold individually
Gasket Exhaust Riser To Manifold PCM 454 & All GM Big Blocks RM0099
13%
$45.00 $51.95
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
20%
$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...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083
34%
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083 MUFFLER STARBOARD - 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2009-2014 Muffler Mastercraft - 3-1/2" Horizontal 50° Angled Elbow - 3-1/2" Outlet 190/197 OEM 252020
27%
$595.00 $817.22
MUFFLER MASTERCRAFT 2009-2014 3-1/2" HORIZONTAL 50° ANGLED ELBOW - 3-1/2" OUTLET 190/197 OEM 252020 Part# 252020 3-1/2" Inlet & Outlet Manufactured by Ultra Marine. Easy...
Bolt Riser Bolt To Replace The Older Allen Head Bolts 3/8"-16 X 1" OEM 565944Q
17%
$1.25 $1.50
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...
SCREW FH 3/8-16 X 3 SP 25 | OEM Indmar 565235Q
14%
$1.79 $2.09
Flange Head Screw 3/8-16 X 3" | Fits the Indmar Thermostat Housing 53-1067S CLICK HERE for the Thermostat Housing
Formed Silicone Exhaust Hose Elbow 4" Indmar OEM 84-5066 Formed Silicone Exhaust Hose Elbow 4" Indmar OEM 84-5066
18%
$184.00 $224.64
Exhaust Elbow for Ford 6.2L Raptor engine.  Elbow is made of silicone. 4" Inside Diamter both ends Genuine Indmar Parts deliver optimal performance, efficiency, and...
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