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ENGINE PARTS

Inboard Boat Motor Parts for Sale

Keep your boat’s engine running smoothly with our high-quality inboard boat motor parts for sale. At My Inboard Marine, we carry many items for your engine including impellers, mufflers, muffler kits, starters, belts, brackets, engine drains, engine mounts, and far more. You can rest assured that we carry all the necessary boat engine parts needed for your marine project. We carry products from the leading manufacturers which include PCM, Indmar, Mercury, and Mercruiser.

My Inboard Marine strives to provide all customers with the best possible solution to their motorboat and motorsport needs. We’ve been in the marine industry for over 30 years, demonstrating we are experts in the boating business. We are committed to serving you!

Shop through our incredible store and purchase our boat motor parts today.

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Belt Serpentine 5.7L With Johnson Crank Driven Raw Water Pump PCM Crusader R066039
Belt Serpentine 5.7L With Johnson Crank Driven Raw Water Pump PCM Crusader R066039 Belt Serpentine 5.7L With Johnson Crank Driven Raw Water Pump PCM Crusader R066039
$42.00
Belt Serpentine 5.7L With Johnson Crank Driven Raw Water Pump PCM Crusader R066039
$42.00
PCM Crusader Serpentine Drive Belt With Modular Raw Water Pump- OEM R066039 BELT,SERPENTINE DRIVE 5.7L PCM/Crusader 5.7 engines only These belts were used around 2016...
Belt Indmar LTR Serpentine Mastercraft Alternator Belt Fits The Shoulder Pulley
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine belt used on Mastercraft LTR applications.
$27.14 $29.23
Belt Indmar LTR Serpentine Mastercraft Alternator Belt Fits The Shoulder Pulley
$27.14 $29.23
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine alternator belt Used on Mastercraft LTR marine engines with shouldered pulley Original Indmar Alternator belt...
Gasket Oil Pan 5.7L GM Small Block Replaces 55-1604 Indmar Sierra 18-1237
Gasket Oil Pan 5.7L GM Small Block Replaces 55-1604 Indmar Sierra 18-1237 Gasket Oil Pan 5.7L GM Small Block Replaces 55-1604 Indmar Sierra 18-1237
$53.50 $60.69
Gasket Oil Pan 5.7L GM Small Block Replaces 55-1604 Indmar Sierra 18-1237
$53.50 $60.69
OIL PAN GASKET FOR 5.7L (350) GM  Sierra Brand 18-1237 Replaces Indmar Number 55-1604 Replaces PCM Number RM0249
Fitting 90 Degree Elbow 1/4" NPT X 3/8" Fuel Barb Original Crusader R024089
FITTING 90 DEGREE ELBOW 1/4" NPT X 3/8" FUEL BARB ORIGINAL CRUSADER R024089
$21.34
Fitting 90 Degree Elbow 1/4" NPT X 3/8" Fuel Barb Original Crusader R024089
$21.34
90° FUEL BARB FOR FUEL FILTER OR PUMP 1/4" NPT X 3/8" FUEL BARB Can be used with fuel pump or fuel filter OEM If you...
Gasket Oil Pan Indmar 5.7L GM Indmar OEM 55-1604
Gasket Oil Pan Indmar 5.7L GM Indmar OEM 55-1604
$149.05 $160.44
Gasket Oil Pan Indmar 5.7L GM Indmar OEM 55-1604
$149.05 $160.44
OIL PAN GASKET FOR 5.7L (350) GM ORIGINAL INDMAR 55-1604 We also carry the Sierra Brand 18-1237 Replaces 10108676
Gasket Circulation Pump Gasket Chevy Small Block 2 Pack
Gasket Circulation Pump Gasket Chevy Small Block 2 Pack Gasket Circulation Pump Gasket Chevy Small Block 2 Pack
$5.48 $6.39
Gasket Circulation Pump Gasket Chevy Small Block 2 Pack
$5.48 $6.39
Water Pump Mounting Gasket 18-0891 - 2 Gasket Pack Sold Each Water Pump Mounting Gasket Replaces Chris Craft 16.50-00078 Replaces Crusader 7141690 Replaces Mercury Marine...
Alternator 75 Amp Mando With 2" Mounting Foot For Serpentine 6 Groove Pulley
ALTERNATOR 75 AMP UPGRADE INDMAR LT1 - LTR REPLACES 55 AMPS WITH 75 AMPS ALTERNATOR 75 AMP UPGRADE INDMAR LT1 - LTR REPLACES 55 AMPS WITH 75 AMPS
$244.71 $309.74
Alternator 75 Amp Mando With 2" Mounting Foot For Serpentine 6 Groove Pulley
$244.71 $309.74
Mando 75 amp marine alternator with 2 in. mounting foot and 6 groove serpentine pulley Fits Mercruiser marine engines too. New 75 amp 12 volt...
Bell Housing PCM GM 5.0L - 5.7L - 8.1L Top Or Bottom Mount Starter OEM R142015F
Bell Housing PCM GM 5.0L - 5.7L - 8.1L Top Or Bottom Mount Starter OEM R142015F
$358.50
Bell Housing PCM GM 5.0L - 5.7L - 8.1L Top Or Bottom Mount Starter OEM R142015F
$358.50
BELL HOUSING PCM GM 5.0L - 5.7L - 8.1L Original PCM R142015F GM BELL HOUSING 5.0L/5.7L TOP OR BOTTOM MOUNT STARTER Block off plate is Part...
Tee Pipe Attaching Sender 1/4" X 1/8" X 1/8" - OEM R024205
Tee Pipe Attaching Sender 1/4" X 1/8" X 1/8" - OEM R024205
$29.59
Tee Pipe Attaching Sender 1/4" X 1/8" X 1/8" - OEM R024205
$29.59
TEE PIPE ATTACHING SENDER Original PCM R024205 For attaching sender and switch T-fitting that goes into the block for GM engines with oil pressure switch and...
Fuel Filter Water Separator With O-Ring Racor 10 Micron PCM R080020
Fuel Filter Water Separator With O-Ring Racor PCM R080020
$79.65
Fuel Filter Water Separator With O-Ring Racor 10 Micron PCM R080020
$79.65
Spin-on replacement fuel filter element for Racor 320R-RAC-02 inboard fuel filter assembly. Mostly used on 1994 Correct Craft Fuel Filter Water Separator Includes O-Ring R080020...
Fuel Filter Pre-Filter Service Kit 2005-2006 EFI PCM RP077014
Fuel Filter Pre-Filter Service Kit 2005-2006 EFI PCM RP077014 Fuel Filter Pre-Filter Service Kit 2005-2006 EFI PCM RP077014
$18.05
Fuel Filter Pre-Filter Service Kit 2005-2006 EFI PCM RP077014
$18.05
PCM Pre-Filter OEM RP077014 for the PCM RA077014 Pump EFI engines, located in a small canister on the inlet side of the low pressure fuel pump....
Hose Formed Cooling Raw Water Pump To Fill Riser 5.7L Engines
Hose Formed Cooling Raw Water Pump To Fill Riser 5.7L Engines
$35.60
Hose Formed Cooling Raw Water Pump To Fill Riser 5.7L Engines
$35.60
Formed Hose for GM PCM 2002 - 2003 Belt Driven Pump to Thermostat Housing Hose, preformed, PCM GM Hose goes from raw water pump to...
Hose Formed Right Hand GM 5.7L Fresh Water Cooled Crank Pump To Heat Exchanger
Hose Formed Right Hand GM 5.7L Fresh Water Cooled Crank Pump To Heat Exchanger
$44.56
Hose Formed Right Hand GM 5.7L Fresh Water Cooled Crank Pump To Heat Exchanger
$44.56
Formed Hose for Right Hand GM 5.7L Fresh Water Cooled (antifreeze) crank pump to the heat exchanger
Stud For Manifold 6.0L - 5.7L OEM R031035
Stud For Manifold 6.0L - 5.7L OEM R031035
$8.40
Stud For Manifold 6.0L - 5.7L OEM R031035
$8.40
Manifold stud to cylinder head, 6 per side 6.0L & 5.7L 12 REQUIRED
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Starboard 6.0/6.2 Liter OEM 252083
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083
$594.83 $907.97
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Starboard 6.0/6.2 Liter OEM 252083
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083 MUFFLER STARBOARD - 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 Liter OEM 252080
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 Liter OEM 252080
$603.75 $847.62
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 Liter OEM 252080
$603.75 $847.62
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 5.7 Liter OEM 252080 MUFFLER - PORT 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
$545.00 $873.26
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
$545.00 $873.26
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5" inlet/outlet Vertical Port 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252062 MUFFLER-3.5" VERT. PORT LATE '09-'11 214V/MS/XS/ex.35 USE W/RTP/MCX/LY6 CLICK HERE...
2009-2014 Muffler Mastercraft - 3-1/2" Horizontal 50° Angled Elbow - 3-1/2" Outlet 190/197 OEM 252020
2009-2014 Muffler Mastercraft - 3-1/2" Horizontal 50° Angled Elbow - 3-1/2" Outlet 190/197 OEM 252020
$595.00 $817.22
2009-2014 Muffler Mastercraft - 3-1/2" Horizontal 50° Angled Elbow - 3-1/2" Outlet 190/197 OEM 252020
$595.00 $817.22
MUFFLER MASTERCRAFT 2009-2014 3-1/2" HORIZONTAL 50° ANGLED ELBOW - 3-1/2" OUTLET 190/197 OEM 252020 Part# 252020 3-1/2" Inlet & Outlet Manufactured by Ultra Marine. Easy...
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Starboard Side 250041BS
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Starboard Side 250041BS
$545.00 $655.99
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Starboard Side 250041BS
$545.00 $655.99
Mastercraft Muffler 2014 5.7L Standard Starboard Side Muffler X10/25/30/46 Part# 250041BS Full Kit Part# 250041B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Port Side 250041BP
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Port Side 250041BP
$505.65 $605.69
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Port Side 250041BP
$505.65 $605.69
Mastercraft Muffler 2014 5.7L Standard Port Side Muffler X10/25/30/46 Part# 250041BP Full Kit Part# 250041B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Muffler Mastercraft Angled 3-1/2" 60° Inlet 3-1/2 " Straight Outlet 38" Long 250016
MUFFLER MASTERCRAFT ANGLED 3-1/2" 60° INLET 3-1/2 " STRAIGHT OUTLET 38" LONG 250016
$395.83 $523.17
Muffler Mastercraft Angled 3-1/2" 60° Inlet 3-1/2 " Straight Outlet 38" Long 250016
$395.83 $523.17
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...
Bolt For Exhaust Riser For 3-1/2" Riser Ford - GM All Years PCM RS0387
Bolt For Exhaust Riser For 3-1/2" Riser Ford - GM All Years PCM RS0387
$7.35
Bolt For Exhaust Riser For 3-1/2" Riser Ford - GM All Years PCM RS0387
$7.35
Riser Bolt for 3-1/2" O.D. Riser PCM RS0387 Fits 5.0 - 5.7 - 5.8 PCM 3-1/2" Outside Diameter Risers Bolts are 5.5" in length OEM...
Rotor Prestolite Distributors with Clip Down Cap 1986 & Prior Replaces PCM R103003 Sierra Brand 18-5407
Rotor Prestolite Distributors with Clip Down Cap 1986 & Prior Replaces PCM R103003 Sierra Brand 18-5407 Rotor Prestolite Distributors with Clip Down Cap 1986 & Prior Replaces PCM R103003 Sierra Brand 18-5407
$13.49 $16.69
Rotor Prestolite Distributors with Clip Down Cap 1986 & Prior Replaces PCM R103003 Sierra Brand 18-5407
$13.49 $16.69
Rotor for Prestolite distributors with clip down cap to 1986 Sierra Brand 18-5407 Goes with Cap # 41052 Clip Down with screws at base This...
Distributor Cap Prestolite Screw Down Ford GM Original PCM Item# RA108003
Distributor Cap Prestolite Screw Down Ford GM Original PCM Item# RA108003
$49.90
Distributor Cap Prestolite Screw Down Ford GM Original PCM Item# RA108003
$49.90
Distributor Cap, Screw Down Prestolite Original PCM RA108003 Fits Ford & GM Prestolite Screw Down cap. Prestolite V8 Distributor Cap Replaces Crusader 41076 Replaces Chrysler 4142817...
Stator PCM GT 40 EFI 1995 And Up
GT 40 Engine Stator Stator PCM GT 40 EFI 1995 And Up GT 40 Engine Stator Stator PCM GT 40 EFI 1995 And Up
$94.00 $104.89
Stator PCM GT 40 EFI 1995 And Up
$94.00 $104.89
GT 40 Engine Stator Stator PCM GT 40 EFI 1995 And Up 1995 & Up PCM EFI Ford Aftermarket; this item is NLA from PCM/Ford WARNING-...
Ignition Module GT40 Multiport EFI TFI Module OEM PCM RA116011
Ignition Module GT40 Multiport EFI TFI Module OEM PCM RA116011 Ignition Module GT40 Multiport EFI TFI Module OEM PCM RA116011
$195.00 $215.68
Ignition Module GT40 Multiport EFI TFI Module OEM PCM RA116011
$195.00 $215.68
Ignition Module TFI GT40 TFI for EFI - PCM Original RA116011 Module only. Cooling fin picture if for REFERENCE ONLY!
Spark Plug Set NGK-5599 Laser Iridium ITR4A15 Set Of 8 Replaces PCM RP030010
Spark Plug Set NGK-5599 Laser Iridium ITR4A15 Set Of 8 Replaces PCM RP030010 Spark Plug Set NGK-5599 Laser Iridium ITR4A15 Set Of 8 Replaces PCM RP030010
$94.48 $131.92
Spark Plug Set NGK-5599 Laser Iridium ITR4A15 Set Of 8 Replaces PCM RP030010
$94.48 $131.92
NGK-5599 LASER IRIDIUM ITR4A15 Spark Plug Set Replaces PCM RP030010 Includes 8 Plugs Premium NGK spark plugs are known for their reliable performance and superior anti-fouling...
Sensor Crank Position Pro Tec Ignition Located In The Trigger Wheel Original PCM# R020012
Sensor Crank Position Pro Tec Ignition Located In The Trigger Wheel Original PCM# R020012 Sensor Crank Position Pro Tec Ignition Located In The Trigger Wheel Original PCM# R020012
$53.66
Sensor Crank Position Pro Tec Ignition Located In The Trigger Wheel Original PCM# R020012
$53.66
Original PCM Crank Position Sensor for Pro Tec Ignitions This sensor is located in the trigger wheel
Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008
Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008 Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008
$229.65 $319.47
Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008
$229.65 $319.47
ARCO Quality Marine Starter for GM RIGHT Hand Rotation "Opposite Rotation" Engines New inboard 12 volt starter For non-automotive, right hand rotation engines High-performance large housing Fits...
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
$23.20 $30.88
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
$23.20 $30.88
Conventional Off, Run & Start 7/8" Mounting Hole Fits Correct Craft thru 1997 GENERAL MOISTURE-PROOF IGNITION STARTER SWITCH Three terminals, 3 positions Returns automatically from...
Idle Air Controller For MPI Sierra 18-7697
Idle Air Controller For MPI Sierra 18-7697
$94.00 $109.99
Idle Air Controller For MPI Sierra 18-7697
$94.00 $109.99
Idle Air Control for MPI Engines Sierra 18-7697 Actuator valve used to control the engine's idle speed IAC idle air control motor 4 wire connector Replaces...
Rotor Mallory Distributor Stack Cap V8 Rotor Replaces PCM R103001 Sierra Brand 18-5404-1
Rotor Mallory Distributor Stack Cap V8 Rotor Replaces PCM R103001 Sierra Brand 18-5404-1
$9.45 $11.49
Rotor Mallory Distributor Stack Cap V8 Rotor Replaces PCM R103001 Sierra Brand 18-5404-1
$9.45 $11.49
Rotor used on Mallory single point marine distributors-Sierra Replaces Mercury Marine, Mercruiser 391-7057, 391-5088, 391-7057T, 391-898253029, 8M6001224, and FI6901224 Replaces OMC 982211 Replaces Pleasurecraft R103001...
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