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

Mercruiser Riser Block Off Plate Gasket | Barr MC47-27-41811
$6.00 $7.00
Gasket seals both sides of Mercruiser center rise exhaust manifold/riser block off plate. MerCruiser restrictor plate gasket to be used with MC-20-87918 restrictor plate (2...
Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2 Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2
$225.00 $228.69
Sierra direct replacement exhaust elbow fits many Mercruiser V6 & V8 marine engines with center rise exhaust manifolds. 4-inch outside diameter exhaust hose connection  
Mercruiser GM Big Block Center Rise Exhaust Manifold | Sierra 18-1957-2
$334.00 $425.68
Center rise exhaust manifold fits Mercruiser GM 7.4L & 8.2L CID marine engines. Mercruiser exhaust manifold Direct replacement manifold fits Mercruiser GM V8 454 and...
Decal PCM For Small Block Engine Manifold OEM PCM R143002A Decal PCM For Small Block Engine Manifold OEM PCM R143002A
$12.89 $15.99
OEM Pleasurecraft Marine DECAL for center rise exhaust manifold PCM exhaust manifold. Sold Each. The R028009 manifold used to come with raised letters cast into...
Riser 3.5" GM -Ford Exhaust Riser Fresh Water Drilled & Tapped Indmar OEM 53-2028
$339.00 $556.95
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
$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
$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....
Gasket Exhaust Adaptor Mounting Ilmor OEM 500-0007
$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...
Adaptor Exhaust Inner Sleeve OEM PE00979 Adaptor Exhaust Inner Sleeve OEM PE00979
$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
$428.99 $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
$147.04 $205.99
Valve Stem Seal - SOLD PER SET OF 16 Replaces Crusader 30241 Replaces Pleasurecraft R047182
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
$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
$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...
Manifold Gasket Armored Airgap Gasket Gen 3 76-1501
$24.75 $36.95
GASKET EXHAUST EXT. armored airgap gasket for Gen 3 engine OEM Indmar  
1982-1988 Muffler Mastercraft - 3" Inlet 60° Angled Elbow 3" Outlet OEM 25-0009
$495.00 $719.99
MUFFLER MASTERCRAFT 1982 through 1988 - 41.5" Approximate Overall Length 3" INLET HORIZONTAL 60° ANGLED ELBOW - 3" OUTLET OEM 25-0009 Part# 25-0009 3" Inlet...
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
$46.92 $49.68
Exhaust Drain Hose Tee OEM Indmar 605904 Plastic T that fits 5/8" hose with threaded drain hole For Plastic Tee Fitting - CLICK HERE For...
Manifold to Cylinder Head Bolt - 3/8-16 x 1-1/2 Crusader 90348150
$2.69 $3.25
Used to mount Crusader MP5.7 and MP7.4 center style exhaust manifold to cylinder head. Replaces Crusader 21307 and 186628 If you need the other, Gold...
Verna Ski Inline Muffler - 3 Inch Centek Industries 1000216
$294.00 $350.72
Fiberglass wet exhaust muffler is designed to reduce the noise of gasoline inboard engines in ski boats. Centek Verna Ski muffler Fiberglass construction 45 degree...
Elbow Exhaust 6.0L PCM ZR Engines 3-1/2 Non Crusader PCM R029016 Elbow Exhaust 6.0L PCM ZR Engines 3-1/2 Non Crusader PCM R029016
$303.67 $365.55
OEM Pleasurecraft Marine Exhaust Elbow- R029016 Original equipment PCM 6.0L exhaust elbow Elbow is painted PCM black color Exhaust hose connection is 3 1/2 inches...
Muffler Mastercraft - 3.5" Inlet/Outlet 2008 LY6 280 OAL Approx 12.25 OEM 252003
$550.00 $784.33
MUFFLER MASTERCRAFT 2008 ONLY AND ONLY FOR THE LY6 3.5" Inlet & Outlet OEM 252003 Fits both sides - Starboard & Port MUFFLER - 3.5" STRAIGHT...
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