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

Gasket Exhaust Riser To Manifold PCM Ford - Replaces RM0002 Sierra Two Pack 18-0677-9 Gasket Exhaust Riser To Manifold PCM Ford - Replaces RM0002 Sierra Two Pack 18-0677-9
$28.00 $29.95
GASKET EXHAUST RISER TO MANIFOLD FORD + PAIR SOLD 2 PER PACK FITS PCM FORD AND PCM GM SMALL BLOCKS ONLY!The blocked water passage goes...
Fitting Nylon 3/4" NPT X 1" Barb 90 Degree For Manifold Water Drain Hose Indmar 605012 Fitting Nylon 3/4" NPT X 1" Barb 90 Degree For Manifold Water Drain Hose Indmar 605012
$7.25 $9.95
90 Degree Elbow Nylon Fitting For Indmar Manifolds OEM Indmar 605012 Note: The 3/4" NPT actually measures at 1" - SO if you need a 3/4" standard...
Fitting 1/2" NPT X 1" Barb 90 Degree For Manifold Water Drain Hose Indmar 605085
$4.79 $5.86
Fitting for exhaust water drain hose - OEM Indmar 605085 NOTE! ALTERNATIVE TO THIS 60-5085 IS THE BRASS FITTING 60-5104 HERE 90 degree nylon fitting....
Gasket Riser Indmar Ford & GM 53-2010 Gasket Riser Indmar Ford & GM 53-2010
$6.75 $12.95
Riser Gasket All Ford & GM Small Block Engines - All years SOLD PER SIDE - NEED TWO PER ENGINE! OEM Indmar 532010 Gasket Replaces Osco...
Manifold Elbow Kit Nylon EXT Manifold Replaces Old 1 Piece T-Fitting Indmar OEM 605012_605019 - 60-5084K
$12.95 $16.89
Nylon EXT Indmar Manifold Elbow Kit - Original Indmar Replaces old 1 piece T-fitting Part# 60-5084 that is no longer available. The Kit includes: Two...
Gasket Manifold To Head - Ford - 351-302 OEM# PCM-RM0007
$4.99 $8.49
GASKET MANIFOLD TO HEAD FORD Original PCM RM0007 Gasket seals between exhaust manifold and cylinder head on Ford small block marine engines PCM exhaust manifold gasket...
Sold Out
GASKET EXHAUST RISER TO MANIFOLD FORD + SOLD AS A 2 PACK NOW. SINGLE SIERRA® GASKETS ARE NO LONGER AVAILABLE - CLICK BELOW FOR A 2...
Manifold Exhaust PCM Ford 302 & 351 Small Block Engines PCM-R028001
$350.00 $365.95
OEM Pleasurecraft Marine center rise exhaust manifold fits Ford 302 & 351 CID marine engines including the High Output 351 Ford as long as you...
Knock Sensor GM 5.7 And 5.0L OEM Item PCM - Indmar R020027
$79.00 $84.95
Fits ALL GM 5.7L, 5.0L TBI, MPI 1994 up through 2005 Indmar and 2007 PCM Engine sensor sends a signal to the ECM when abnormal ignition...
Gasket Exhaust Riser To Manifold PCM Ford -Original Factory OEM# PCM-RM0002 Gasket Exhaust Riser To Manifold PCM Ford -Original Factory OEM# PCM-RM0002
$18.95 $32.95
GASKET EXHAUST RISER - OEM# RM0002 - SOLD EACH! Fits Ford - GM 5.0 5.7 5.8 This is the original manufacturer OEM replacement from PCM...
Fitting 3/4" NPT X 5/8" Barb 90 Degree For Manifold Water Drain Hose Indmar 605021
$5.29 $8.99
Fitting for exhaust water drain hose - OEM Indmar 90 degree nylon fitting. Size 3/4" threaded X 5/8 hose Fitting used in Indmar cast iron...
Manifold Elbow Brass 1/2 " X 1" NPT  90 Degree Hose Barb Indmar 60-5104
$25.00 $39.95
Fitting for exhaust water drain hose OEM Indmar 605104 NOTE! This Brass Fitting Replaces The Indmar 60-5085 fitting! Indmar Catalyst Manifold 90 degree brass fitting. Size...
Flapper Exhaust Protector Valve 3 Inch
$28.05 $31.49
3 Inch Exhaust Flapper Protective Valve With Stainless Steel Clamp Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow...
2000-2006 Muffler Mastercraft - 3.5"  Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033 2000-2006 Muffler Mastercraft - 3.5"  Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
$544.00 $780.12
MUFFLER MASTERCRAFT 2000 - 2006 3.5" Inlet with 40° Angle 3.5" outlet SS19/PS190/205/209/PS197 OEM 252033 Overall Length is approximately 26" Barrel Diameter is approximately 5-1/8"...
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
$12.00 $24.95
Original Equipment Indmar Riser Complete Mounting Kit  OEM Indmar 49-5006 Mounting hardware for one Indmar 350/351 cast iron exhaust riser (3 1/2") Includes all bolts, washers, and...
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533 Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
$3.50 $4.99
Pipe Plug for Exhaust Manifold for Indmar OR PCM 3/4" NPT - Counter Sunk Square Head - Older style For the "newer" style BRASS, order item# RS3533A...
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
$12.00 $15.95
Adapter For Flat Response Knock Sensor Indmar 2006 & up Indmar and PCM Engines 5.7L and PCM 2008 & up 5.7L & 5.0L Engines with...
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
$525.00 $834.96
 2008-2012 MUFFLER MASTERCRAFT SILENT MASTER OPT. 3.5" Inlet w/80° angle - 3.5" outlet  w/30° angle Vertical X1/200/215/230/235/245/255 Euro Part# 252023 Manufactured by Ultra Marine. Easy...
OEM Indmar one piece exhaust manifold with catalyst exhaust element for Vortec 5.7L Monsoon & 6.2L Hammerhead marine engines. Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
$1,939.00 $2,120.50
IF YOU CAN ADD ONE TO YOUR CART, WE HAVE ONE LEFT. IF THIS ITEM SHOWS SOLD OUT, WE ARE WATING TOO. THANK YOU MUCH!...
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378 Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378
$395.41 $698.99
Interchangeable PORT or STARBOARD UM-107378 - REPLACES UM-4207 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 33" Tip to Tip 3-1/2" Inlet - 3"...
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
$22.55 $24.95
PCM FORD EXHAUST ELBOW MOUNTING KIT - RISER TO MANIFOLD OUT OF STOCK - CLICK HERE FOR SUBSTITUTE PLEASE Includes gasket & mounting bolts For...
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285 Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
$12.95 $14.36
Manifold Corner CAT Gasket - All years - RM0285 PCM Port & Starboard Manifold to Corner gasket Sold individually
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
$15.21 $16.95
3/4" NPT - BRASS Drain Pipe Plug for Exhaust Manifold for Indmar OR PCM This is the newer Brass Plug - Note: 3/4" NPT measures about 1"...
Exhaust Service Installation Kit PCM Ford 302 - 351 Both Sides Complete Set OEM PCM RP173029
$159.00 $179.60
OEM Pleasurecraft Marine complete engine set for BOTH sides Includes bolts for 3" & 3-1/2" risers Includes manifold gasket, riser gasket, bolts, washers, elbow and...
Gasket ETX Exhaust Manifold Dump Gasket OEM 76-5006
$11.85 $14.50
GASKET EXHAUST EXT INDMAR OEM Gasket located between the Indmar ETX catalyst aluminum exhaust manifold to stainless steel elbow (dump). Indmar EXTCAT exhaust manifold elbow (dump)...
Manifold Exhaust EXT CAT Exhaust Aluminum <b> Starboard Side</b> Indmar 53-1400HL OEM Indmar Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
$1,945.00 $2,115.36
IF YOU CAN ADD ONE TO YOUR CART, WE HAVE ONE LEFT. IF THIS ITEM SHOWS SOLD OUT, WE ARE WATING TOO. THANK YOU MUCH!...
Drain Hose Exhaust Drain Hose With Coupler Indmar 816058 Drain Hose Exhaust Drain Hose With Coupler Indmar 816058
$35.00 $49.99
Exhaust Drain Hose With Coupler OEM Indmar This is a great kit! Indmar 5/8" Inside Diameter Exhaust Drain Hose Replaces the old style plastic connectors...
Riser Exhaust 3" PCM Ford - GM OEM PCM R029001
$205.00 $225.15
OEM Pleasurecraft Marine Exhaust Riser 3" Riser - R029001 OEM exhaust riser fits many PCM GM & Ford V8 small block marine engines Generally used...
Gasket Big Block Riser To Manifold Indmar Indmar Original 53-1017
$6.75 $14.80
Exhaust Riser To Manifold Gasket Indmar Big Block Engines - All years SOLD PER SIDE - NEED TWO PER ENGINE Note: If you have FRESH WATER...
Fitting 1/2" NPT X 5/8" Barb Straight For Manifold Water Drain Hose Indmar 60-5004
$3.99 $7.58
Fitting for exhaust water drain hose - H.O. OEM Indmar 605004 Straight nylon fitting. Size 1/2" threaded X 5/8" hose Fitting used in Indmar cast...
Muffler Supra Moomba Skiers Choice 3.5" Inlet W/60° Angle  - 3" Outlet OEM 100700
$493.99 $561.68
MUFFLER SUPRA MOOMBA SKIERS CHOICE - REPLACES UM-0429 3.5" inlet w/60° angle 3" Outlet OEM 100700 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet...
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