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

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...
OBDM Lamp Only - No Hardware OEM R179009
8%
$127.53 $138.04
OBDM Lamp Only No Hardware OEM R179009 Original PCM FOR LAMP AND HARDWARE - CLICK HERE FOR PART NUMBER RK179009
Muffler Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
30%
Sold Out
MUFFLER MASTERCRAFT STRAIGHT 17" Overall Length. 3.0" offset  inlet/outlet - Note: 3" (3 Inch Inlet/Outlet) 17" OAL  OEM 252019 Manufactured by Ultra Marine. Easy to...
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD
24%
$945.00 $1,249.99
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD- FRESH WATER COOLED - NOT RAW WATER COOLED! CLICK HERE For Raw Water Cooled part number 531296 FRESH WATER...
Manifold Exhaust Indmar Fresh Water Cooled <b>Starboard Side</b> Indmar 531297FW OEM Indmar Manifold Exhaust Indmar Fresh Water Cooled <b>Starboard Side</b> Indmar 531297FW OEM Indmar
24%
$945.00 $1,249.95
OEM INDMAR - LQ9 MANIFOLD STARBOARD - RIGHT SIDE MANIFOLD-FRESH WATER COOLED - NOT RAW WATER COOLED! CLICK HERE For Raw Water Cooled part number 531297...
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
PCM EXHAUST RISER COMPLETE MOUNTING KIT
13%
$17.00 $19.50
EXHAUST RISER COMPLETE MOUNTING KIT Barr riser mounting kit For Barr 20-0082 and 20-0100 generic center risers Open gasket for raw water cooling applications Includes plug,...
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