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 With Mounting Kit Big Block GM CHVA-1-84 Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84
$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...
Muffler Supra Moomba Skiers Choice 0437 - 3.5" In/Out Inline Approx 15" Overall Length OEM 101422
$398.32 $450.07
MUFFLER SUPRA MOOMBA SKIERS CHOICE 0437 3.5" inlet and 3.5" outlet inline Approx 15" overall length OEM 101422 Shipping Dimensions: 8x8x17 Manufactured by Ultra Marine....
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
$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
$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
$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
$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....
MUFFLER MASTERCRAFT ANGLED 3-1/2" 60° INLET 3-1/2 " STRAIGHT OUTLET 38" LONG 250016
$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
$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...
Indmar L96 Water Flow Replumb Kit  1:1 Drive - Not V-Drive | Original Indmar | 49-5181I
$525.00 $630.26
OEM Indmar 495181I KIT WATER FLOW L96 W/EXH HOSE 1-1 Fits 1:1 Drive - Not for the V-Drive Engines! CLICK HERE FOR INSTRUCTIONS
ULTRALIFT Water Lift System 3” | 45° Side Inlet | 3” Top Outlet | 10” Base UM-2973030
$527.00 $674.95
ULTRALIFT MUFFLER Water Lift System – 3” 45° Side Inlet – 3” Top Outlet – 10” Base Sailboat Auxiliary Engines Sailboat Generators Power Boat Generators Main...
Indmar Ford 6.2L Bank 1 Manifold | OEM 535980E Indmar Ford 6.2L Bank 1 Starboard Manifold For Cylinders 1-4 See Picture | OEM 535980E
$569.00 $580.00
Exhaust Manifold Bank 1 Indmar 535980E Original Equipment Indmar Manifold Bank 1 For Cylinders 1 - 4 - Normally Starboard - Right Side with Direct...
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T
$530.00 $795.00
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T Part# 252004 - Sold Each - Fits Starboard & Port 3-1/2" Straight Inlet & Outlet OAL...
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...
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