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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.
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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

Manifold Exhaust Big Block Center Rise PCM OEM R028010
2%
Sold Out
PCM Big Block Manifold -  NOTE PLEASE: This manifold is no longer available. Please click the link below for a good conversion kit: CLICK HERE FOR CONVERSION...
Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow
31%
$89.05 $129.99
DRAIN EZ FOR REPLACING THE BOTTOM DRAIN PLUG ON PCM 302 & 351 CIRCULATION PUMP ELBOW Excellent way to upgrade the way you drain you engine...
Stud For Manifold 6.0L - 5.7L OEM R031035
11%
$7.47 $8.40
Manifold stud to cylinder head, 6 per side 6.0L & 5.7L 12 REQUIRED
Gasket Manifold Exhaust 6.0L - ZR CAT CES Engines 2008 & Up PCM RM0276A
23%
$9.38 $12.20
Manifold Gasket - EXHAUST 6.0L CES Engines RM0276A - CAT ENGINES Paper gasket: For engines with CES Catalyst exhaust
Elbow Exhaust 6.0L ZR6-ZR409-ZR450 2003 & Up PCM R029016
18%
$299.00 $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#...
Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84 Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84
24%
$480.00 $629.00
Center Riser Manifold for big Block GM Engines Sold Each. 1 per side. Includes Mounting Kit: Manifold Gasket Riser Gasket Plugs Mounting Bolts Water cooled...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
32%
$558.00 $823.69
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 Liter OEM 252081 MUFFLER-STBD 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass...
2011-2014 Muffler Mastercraft - 3.5" W/80° Elbow -28" Body OEM 252079
28%
$587.50 $816.62
MUFFLER MASTERCRAFT 2011 - 2014 3.5" W/80° Elbow 28" Body OEM 252079 MUFFLER - 3.5" Outlet X 80* INLET 2011 - 2014 with a 28"...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Starboard 6.0L - ILMOR Engine OEM 252073
19%
$557.05 $686.62
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0L - ILMOR Engine OEM 252073 MUFFLER-STARBOARD 2011 - 2012 USE W/ILMOR 6.0L Manufactured by Ultra Marine....
2011-2012 MUFFLER MASTERCRAFT -  3.5" inlet/outlet - Port 6.0L - ILMOR Engine OEM 252072
24%
$674.83 $886.91
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 6.0L - ILMOR Engine OEM 252072 MUFFLER-PORT 2011 - 2012 USE W/ILMOR 6.0L  Manufactured by Ultra Marine....
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Starboard Side 250041BS
17%
$505.65 $605.69
Mastercraft Muffler 2014 5.7L Standard Starboard Side Muffler X10/25/30/46 Part# 250041BS Full Kit Part# 250041B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
MUFFLER MASTERCRAFT ANGLED 3-1/2" 60° INLET 3-1/2 " STRAIGHT OUTLET 38" LONG 250016
25%
$315.83 $423.17
Mastercraft Muffler Part# 250016 60 Degree Angled 3-1/2" Inlet With 3-1/2" Straight Outlet 3-1/2" Angled 60 Degree Inlet 3-1/2" Straight Outlet 38 Inches long - approximately Manufactured...
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
29%
$0.20 $0.28
PCM Riser Bolt Lock Washers for all small blocks Lockwasher, manifold to cylinder head attaching PCM Ford & GM 5.0 & 5.7, & 6.0 L (non-CES...
Riser 3.5" GM -Ford Exhaust Riser Fresh Water Drilled & Tapped Indmar OEM 53-2028
53%
$215.95 $456.95
Exhaust Riser 3-1/2" -  Original Equipment Indmar Item FRESH WATER ( With Antifreeze In The Engine) OEM Indmar 53-2028 - Need 2 per engine - Same...
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746 Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
35%
$383.00 $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
29%
$256.00 $361.00
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....
Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813 Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813
8%
$6.43 $7.00
Gasket seals both sides of Mercruiser center rise exhaust manifold/riser restrictor plate. For Mercruiser center rise exhaust manifolds in raw water cooled applications with weep...
Gasket Exhaust Adaptor Mounting Ilmor OEM 500-0007
14%
$5.99 $6.95
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...
Gasket Exhaust Manifold Ilmor OEM MV8V-1054
28%
$25.00 $34.95
OEM  ILMOR - MV8V-1054 Exhaust Manifold Gasket Ilmor engine exhaust gaskets MV8V-1054 are the mounting gaskets for the Ilmor engine from the intake manifold to...
Adaptor Exhaust Inner Sleeve OEM PE00979 Adaptor Exhaust Inner Sleeve OEM PE00979
13%
$95.00 $108.95
Ilmor 5.7L engine exhaust inner sleeve adapter. OEM PE00979 This sleeve is compatible with the following: MV8 5.7L MV8 5.7L OPS MV8 6.0L MV8 6.0L...
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
33%
$347.00 $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 | OEM Crusader R047182
29%
$147.04 $205.99
Valve Stem Seal - SOLD EACH Replaces Crusader 30241 Replaces Pleasurecraft R047182
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
29%
$496.75 $697.22
Mastercraft Muffler - 2014 5.7L ULTRA-2500391 Part# 2500391 Fits Port OR Starboard Side SOLD EACH Main Barrel is 4" Diameter - 28" not including inlet...
Gasket Intake Manifold Gasket GM Small Block  305-350 OEM 55-6099 Gasket Intake Manifold Gasket GM Small Block  305-350 OEM 55-6099
10%
$44.23 $48.99
Intake gasket used in GM 5.7 liter Generation 1 Plus. 2 gaskets required for inatallation. SOLD EACH - You will need to order 2 of...
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