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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

Valve Stem Seal 454 | OEM Crusader R047182
29%
$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
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...
Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048 Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048
10%
$57.50 $64.12
Formed Hose 3 inch to 3.5 inch diameter formed exhaust hose with stops. OEM INDMAR 847048
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...
Manifold Gasket Armored Airgap Gasket Gen 3 76-1501
33%
$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
31%
$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
6%
$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
17%
$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
16%
$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
17%
$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...
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
2%
$59.09 $60.19
Upper Intake Gasket GT 40 OEM PCM-RM0236 Replaces OMC/Johnson/Evinrude 3853636 Replaces Volvo Penta 3853636
Crusader 8 Inch Riser Mounting Package Barr Marine CR-20-97169P
14%
$65.00 $75.50
Mounting package for Crusader 97169 exhaust riser includes needed gaskets, studs, nuts & washers. Barr Crusader riser hardware kit For Crusader 97169 & Barr CR-20-97169...
Formed Hose 3 inch to 3.5 inch diameter formed exhaust hose with stops. OEM INDMAR 847050 Formed Hose 3 inch to 3.5 inch diameter formed exhaust hose with stops. OEM INDMAR 847050
34%
$89.00 $134.95
Formed Hose 3 inch to 3.5 inch diameter formed exhaust hose with stops. OEM INDMAR 847050
Black Exhaust Thru Hull with Flapper - 3 Inch Centek 1200299 Black Exhaust Thru Hull with Flapper - 3 Inch Centek 1200299
6%
$155.22 $165.22
Centek Thru Hulls are constructed from compression-molded fiberglass and will not corrode like conventional fitting made from bronze or stainless steel. A weighted rubber flap...
Riser Mercruiser 3 InchExhaust Riser Barr Marine MC-20-76771
7%
$335.00 $361.00
3 InchExhaust Riser BARR-MC-20-76771 Barr Mercruiser inboard exhaust riser Fits Mercruiser 198, 228, 255, 260, 898, 188, 215, 225, 233, 255, and 888 model marine...
Bolt 12 Point Hd Bolt 3/8-16 X 1 1/4 RS0460
29%
$2.40 $3.40
BOLT 3/8 16 X 1 1/4 - RS0460 SOLD EACH! Bolt, Torque HD 3/8-16 X 1-1/4 RS0460 3/8 16 X 1-1/4 12 POINT HD Replaces...
Bolt For Exhaust Manifold RS0456 - HHCS, GR.8 3/8-16 X 2-1/2 RS0456
10%
$0.99 $1.10
BOLT 3/8 16 X 2 1/2 - RS0456 SOLD EACH! HHCS, GR.8 3/8-16 X  2-1/2 6 Bolts are needed per manifold OEM Exhaust Manifold Bolt
Neoprene Exhaust Tip Gasket Corsa® Performance 10197
17%
$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...
Manifold Exhaust Kit Port Side  For Indmar OEM Indmar 4953401 Manifold Exhaust Kit Port Side  For Indmar OEM Indmar 4953401
10%
Sold Out
Indmar 6.0L Manifold Kit with Clamps & Gasket PORT SIDE with CAT 49-53401 Indmar Marine Engines 6.0L Manifold Kit with Clamps & Gasket.Port Side Chevrolet...
Riser 3" Exhaust Elbow Barr Marine 20-0102
15%
$242.00 $284.00
Water cooled center rise exhaust elbow for Barr generic center rise manifolds. Barr 3 in. exhaust riser Center discharge 3/4 in. NPT cooling hose connection...
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