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

Mastercraft Muffler Silent Master for LY6 Part# 252001 - Outside
32%
$435.00 $635.26
Mastercraft Muffler Silent Master for LY6 Part# 252001 - Outside 10 ° Angled 3-1/2" Offset Inlet with 3-1/2" Outlet These are the mates to the UM-252000 Mufflers...
Mastercraft Muffler Silent Master for LY6 - INSIDE Part# 252000 - Inside
28%
Sold Out
Mastercraft Muffler Silent Master for LY6 - INSIDE Part# 252000 - Inside 10 ° Angled 3-1/2" Offset Inlet with 3-1/2" Outlet  These are the mates to the UM-252001...
Crankshaft Sensor LQ4 - For 6.0L OEM Crusader- PCM Item R020044
28%
$115.30 $159.95
6.0 CRANKSHAFT SENSOR OEM PCM CRUSADER R020044 Replaces Indmar 55-1360
Exhaust Riser Mounting Kit Complete Barr Marine CM-20-0082P
7%
$15.29 $16.50
EXHAUST MANIFOLD COMPLETE MOUNTING KIT Kit includes 4 mounting bolts & plugs for Barr FM-1-83 Ford small block exhaust manifolds. Barr Ford manifold mounting package Bolt...
GASKET EXHAUST ELBOW 3 HOLE 96108
17%
$3.19 $3.85
GASKET EXHAUST ELBOW Gasket seals between exhaust manifold & riser extensions for proper cooling water flow. PCM-CRUSADER 96108 Crusader exhaust riser gasket Fits Crusader V8 small...
HEAD GASKET SET FOR GM 5.7L - 350 V8 FEL-PRO GASKET SET
10%
$205.89 $228.20
HEAD GASKET SET FOR GM 5.7L - 350 V8 FEL-PRO GASKET SET GM 5.7L Marine Head Set For GM 350 cu. in. marine engines Not...
Gasket Set Intake Manifold Gasket Set 1996 And Up GM Small Block  305-350 GASKET SET INTAKE MANIFOLD GASKET SET - 1996 AND UP GM SMALL BLOCK  305-350
17%
$52.00 $62.99
INTAKE MANIFOLD GASKET SET - 1996 AND UP GM SMALL BLOCK  305-350 Marine grade intake gasket set. Also fits various Mercruiser V8 305 and 350...
Bolt HHCS - 3/8-16 X 1-1/4 PCM RS0305 - Replaces Crusader 179841, 180124, 90305125 Bolt HHCS - 3/8-16 X 1-1/4 PCM RS0305 - Replaces Crusader 179841, 180124, 90305125
69%
$0.46 $1.49
BOLT 3/8-16 X 1-1/4  PCM RS0305 OEM PCM Works with Indmar Replaces Crusader 179841, 180124, 90305125 And Indmar 565944Q Yellow zinc grade 8 hex head bolt...
Nut Exhaust Elbow Attaching Nut, HX 3/8-24 (9/16 Hex) ZY 6.0L OEM 95310000
44%
$0.25 $0.45
Nut, exhaust elbow attaching (4 each elbow) 6.0L 8 REQUIRED FOR EACH SIDE OF ENGINE
Stud For Exhaust Elbow Attaching 6.0L Small Short OEM R031036
3%
$9.74 $10.08
Stud Exhaust Elbow Attaching for 6.0L SMALL / SHORT OEM R031036 6.0L 4 REQUIRED FOR EACH SIDE OF ENGINE
Stud For Exhaust Elbow Attaching 6.0L Large Long OEM R031037
3%
$10.50 $10.80
Stud Exhaust Elbow Attaching for 6.0L LARGE / LONG OEM R031037 6.0L 2 PER SIDE - LONG
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Port 6.0/6.2 Liter OEM 252082
32%
$620.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 6.0/6.2 Liter OEM 252082 MUFFLER - PORT 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Starboard 5.7 L ILMOR Engine OEM 252071
17%
$478.15 $573.20
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 L ILMOR Engine OEM 252071 The body is approx. 6-1/8” in diameter and is 9-1/4” long...
2014 Muffler Mastercraft - 5.7 Standard X2 Starboard Side 250044BS
17%
$505.65 $605.69
Mastercraft Muffler 2014 5.7L Standard Starboard Side Muffler X2 Part# 250044BS Click HERE for Full Kit Part# 250044B includes both mufflers. Manufactured by Ultra Marine. Easy...
2014 Muffler Mastercraft - 5.7 Standard X2 Port Side 250044BP
17%
$505.65 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard X2 Port Side Muffler X2 Part# 250044BP Full Kit Part# 250044B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra...
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3-1/2 Inch O.D. Straight Outlet 43 Inches Long OEM UM-288-3535
27%
$353.00 $481.68
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3535 Angled 60 Degree 3-1/2" Inlet With 3-1/2" Straight Outlet 43" Tip to Tip 3-1/2" Inlet - 3-1/2" Outlet Used...
Temperature Water Temp Sender For MPI PCM All GT40 All Years Original PCM R020024 Temperature Water Temp Sender For MPI PCM All GT40 All Years Original PCM R020024
16%
$85.49 $101.38
Coolant Temperature Sender for ALL PCM GT40 Engines Water temperature sensor for PCM GT40 : Sends temperature signal to the ECM Coolant Temperature Sensor Replaces...
Gasket Exhaust Manifold Circle 6.2L Ford Non-Indexing Flange | OEM Indmar 59-7048
47%
$13.44 $25.56
Non-Indexing | GASKET EXHAUST ARMORED ELBOW 6.2L FORD NON - INDEXING FLANGE! STAINLESS STEEL Groove at the flange of the manifold for the CAT section...
Mercruiser Dry Joint Exhaust Riser | Barr MC-20-864591 Mercruiser Dry Joint Exhaust Riser | Barr MC-20-864591
25%
$495.00 $658.00
Direct replacement exhaust elbow for Mercruiser V6 & V8 marine engines with dry joint style center rise exhaust manifolds. Includes mounting hardware & restrictor gasket...
Indmar Ford 6.2L Bank 2 Manifold | OEM 535981E Indmar Ford 6.2L Bank 2 Port Manifold For Cylinders 5-8 See Picture | OEM 535981E
2%
$569.00 $580.00
Exhaust Manifold Bank 2 Indmar 535981E Original Equipment Indmar Manifold Bank 2 For Cylinders 5 - 8 - Normally Port - Left Side with Direct...
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