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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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Bracket PCM Alternator Bracket 305 - 350 Engines Original PCM R090075
Bracket PCM Alternator Bracket 305 - 350 Engines Original PCM R090075 Bracket PCM Alternator Bracket 305 - 350 Engines Original PCM R090075
$45.00
Bracket PCM Alternator Bracket 305 - 350 Engines Original PCM R090075
$45.00
ALTERNATOR BRACKET Original PCM R090075 305 & 350 Engines PCM GM Engines up to 2004 Not For Serpentine Belt FOR STRAP - ADJUSTMENT STRAP BRACKET,...
Bracket PCM Oil Cooler/Ignition Coil Bracket PCM Original PCM R090010
Bracket PCM Oil Cooler/Ignition Coil Bracket PCM Original PCM R090010 Bracket PCM Oil Cooler/Ignition Coil Bracket PCM Original PCM R090010
$12.36
Bracket PCM Oil Cooler/Ignition Coil Bracket PCM Original PCM R090010
$12.36
PCM OIL COOLER OR IGNITION COIL MOUNTING BRACKET PCM ORIGINAL R090010   WARNING- This product can expose you to chemicals which are known to the...
FCC Drain Kit PCM OEM RK024178
FCC Drain Kit PCM OEM RK024178
$111.00
FCC Drain Kit PCM OEM RK024178
$111.00
FCC DRAIN KIT PCM Nut Drain Fitting Retaining Fitting Water-fuel drain-special pipe plug HX HD Brass 1/8 NPT
Hose Formed Oil Cooler To Crank Pump
Hose Formed Oil Cooler To Crank Pump
$32.20
Hose Formed Oil Cooler To Crank Pump
$32.20
Formed Hose to connect oil cooler to crank pump Crank Driven Pump Formed Hose
Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs
Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs
$105.00 $149.59
Drain EZ For Exhaust Manifold Replaces Indmar Or PCM 3/4" Pipe Plugs
$105.00 $149.59
DRAIN EZ FOR EXHAUST MANIFOLD REPLACES INDMAR OR PCM 3/4" PIPE PLUGS Excellent way to upgrade the way you drain you engine and winterize!
Manifold Exhaust PCM 6.0L ZR Non CAT PCM R028023
Manifold Exhaust PCM 6.0L ZR Non CAT PCM R028023 Manifold Exhaust PCM 6.0L ZR Non CAT PCM R028023
$402.15
Manifold Exhaust PCM 6.0L ZR Non CAT PCM R028023
$402.15
OEM Pleasurecraft Marine center rise exhaust manifold Fits 6.0L ZR Engines PCM R028023A IS THE NEW NUMBER FOR THE SAME PART PER PCM! 2004 UP...
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
$1,183.17 $1,637.68
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
$1,183.17 $1,637.68
MUFFLER MASTERCRAFT 2002-2016 8.1 L 4" VRS OEM 253001A MUFFLER-KIT 8.1 VRS '2002 -'2016 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass and highly...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
$558.00 $823.69
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
$558.00 $823.69
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 Liter OEM 252081 MUFFLER-STBD 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass...
2014 Muffler Kit Mastercraft - 5.7 Standard X10/25/30/46 Port And Starboard Mufflers 250041B
2014 Muffler Kit Mastercraft - 5.7 Standard X10/25/30/46 Port And Starboard Mufflers 250041B
$1,055.20 $1,334.52
2014 Muffler Kit Mastercraft - 5.7 Standard X10/25/30/46 Port And Starboard Mufflers 250041B
$1,055.20 $1,334.52
Mastercraft Muffler Kit - 2014 5.7L Standard X10/25/30/46 Part# 250041B For Standard 5.7L X10/25/30/46 Kit Includes: 1 - Standard 5.7L Port Muffler 1 - Standard 5.7L...
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 24 Inches Long OEM UM-2015 - See Description For Replacement
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 24 Inches Long OEM UM-2015 - See Description For Replacement
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Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 24 Inches Long OEM UM-2015 - See Description For Replacement
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UM-2015 IS NLA - Ultra Marine - Muffler Aftermarket Interchangeable FOR REPLACEMENT - CLICK HERE 60 Degree <NOT 45 degree> Angled 3" Inlet With 3"...
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
$0.10
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
$0.10
PCM Riser Bolt Lock Washers for all small blocks Lockwasher, manifold to cylinder head attaching PCM Ford & GM 5.0 & 5.7, & 6.0 L (non-CES...
Bolt For Exhaust Riser For 3-1/2" Riser - "Short Bolt" Ford - GM All Years PCM RS0285
Bolt For Exhaust Riser For 3-1/2" Riser - "Short Bolt" Ford - GM All Years PCM RS0285
$0.45
Bolt For Exhaust Riser For 3-1/2" Riser - "Short Bolt" Ford - GM All Years PCM RS0285
$0.45
Riser Bolt PCM RS0285 - "Short Bolt" - Need 2 per riser. Fits 5.0 - 5.7 - 5.8 PCM 3-1/2" Outside Diameter Risers ALL PCM...
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
$53.14 $75.99
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
$53.14 $75.99
Tune Up Kit for Mallory Distributors 1986 & Prior Sierra Brand Sierra Brand 18-5271 Replaces PCM RP173025 Strap Type Connector For Points AV distributors set timing 5...
Rotor Pertronix Rotor For Clip Down Cap Pertronix OEM
Rotor Pertronix Rotor For Clip Down Cap Pertronix OEM Rotor Pertronix Rotor For Clip Down Cap Pertronix OEM
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Rotor Pertronix Rotor For Clip Down Cap Pertronix OEM
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Distributor Rotor, Replacement, Prestolite, Ignitor Conversion REPLACED BY SIERRA 18-5407 - CLICK HERE This is the rotor for the Pertronix Ignitor I and II conversion...
Points Prestolite 1-42 Ford All Years Original PCM R114002
Points Prestolite 1-42 Ford All Years Original PCM R114002 Points Prestolite 1-42 Ford All Years Original PCM R114002
$22.50
Points Prestolite 1-42 Ford All Years Original PCM R114002
$22.50
All years Ford Prestolite Points Original PCM R114002 Works with All Prestolite Clip Down OR Screw Down Caps New points are ready to install! WARNING-...
Cap And Rotor Prestolite Ford - GM (87 & Later) Screw Down Original PCM Item# RP173073
Cap And Rotor Prestolite Ford - GM (87 & Later) Screw Down Original PCM Item# RP173073
$59.60
Cap And Rotor Prestolite Ford - GM (87 & Later) Screw Down Original PCM Item# RP173073
$59.60
Cap & Rotor Original PCM RP173073 Not Aftermarket 1987 & Up with Electronic Ignition Base timing set at 10 degrees BTDC (before top dead center) Electronic...
Ignition Module Kit Mallory 6100M Mallory MAA-6100M
Ignition Module Kit Mallory 6100M Mallory MAA-6100M
$95.00 $109.99
Ignition Module Kit Mallory 6100M Mallory MAA-6100M
$95.00 $109.99
Mallory Ignition Module Malory Ignition Module, E-Spark, 37, 38, 45, 46, 47, 83, 86, 91, 93 Series Mallory Distributors MAA-6100M Replacement Ignition Module for Mallory...
Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589 Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
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Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
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IGNITION KIT PERTRONIX IGNITOR II PXN-91589 Use For: Prestolite Distributors with original equipment Electronic Conversion Module Pertronix - PNX-91589 Pertronix OEM Part 91589 Pertronix recommends...
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009 Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
$86.00 $115.36
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
$86.00 $115.36
NGK-7164 Iridium 8.1L Spark Plug Set TR55IX Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L Premium NGK spark plugs are known for their reliable performance and...
Starter GM 6.0L Bottom Mount 2003 UP 6.0L - ZR6 - ZR409 - ZR450 - LY6 - Assault 6.0L Original PCM RA122019
Starter GM 6.0L Bottom Mount 2003 UP 6.0L - ZR6 - ZR409 - ZR450 - LY6 - Assault 6.0L Original PCM RA122019
$275.92
Starter GM 6.0L Bottom Mount 2003 UP 6.0L - ZR6 - ZR409 - ZR450 - LY6 - Assault 6.0L Original PCM RA122019
$275.92
Original PCM Starter RA122019 Bottom Mounted Starter for PCM Engines 2003 & UP 6.0L - ZR6 - ZR409 - ZR450 - LY6 - ASSAULT 6.0L ARCO...
Switch Fuel Pressure Cut Off Switch Original Crusader R153005
Switch Fuel Pressure Cut Off Switch Original Crusader R153005
$82.01
Switch Fuel Pressure Cut Off Switch Original Crusader R153005
$82.01
Oil Pressure Fuel Cut Off Switch Original Crusader OEM Crusader disconnect switch kills current to the fuel pump when oil pressure is lost. Fits Crusader...
E-Coil GT40 Engines All Years OEM R117008
E-Coil GT40 Engines All Years OEM R117008
$101.24
E-Coil GT40 Engines All Years OEM R117008
$101.24
Ford EFI GT40 Ignition Coil all years
Ignition Coil Electronic Ignition External Resistor Type PCM R117004A
Ignition Coil Electronic Ignition External Resistor Type PCM R117004A
$69.76
Ignition Coil Electronic Ignition External Resistor Type PCM R117004A
$69.76
PCM OEM Ignition Coil for standard ignitions Replaced PCM Brand R117004 Prestolite, Mallory or Pertronix Breakerless Electronic Ignition Systems COIL,EXTERNAL RESISTOR TYPE Replaces Crusader 37068 Replaces...
Idle Air Controller For MPI OEM Brand R084003
Idle Air Controller For MPI OEM Brand R084003
$273.50
Idle Air Controller For MPI OEM Brand R084003
$273.50
Idle Air Control for MPI Engines THIS IS OEM PCM Version R084003 Some Multi Port EFI, PCM Apex, Indmar LTR Will not work on 2002 up...
Throttle Position Sensor -TPS - GM MPI Engine Sierra Brand Sierra 18-7700
Throttle Position Sensor -TPS - GM MPI Engine Sierra Brand Sierra 18-7700 Throttle Position Sensor -TPS - GM MPI Engine Sierra Brand Sierra 18-7700
$123.48 $141.89
Throttle Position Sensor -TPS - GM MPI Engine Sierra Brand Sierra 18-7700
$123.48 $141.89
Sierra Brand Throttle Position Sensor 18-7700 GM MPI Throttle Position Sensor, Multi-Port Fuel Injection. Not for 06 up Drive By Wire Not for LT1 Replaces Crusader...
Alternator Kit 100 Amp Retro Fit 5.7L Engine RF097009B
Alternator Kit 100 Amp Retro Fit 5.7L Engine RF097009B
$510.30
Alternator Kit 100 Amp Retro Fit 5.7L Engine RF097009B
$510.30
100 Amp Alternator Retrofit Kit 5.7L GM For 5.7L Engines  PCM conversion from a Delco 70 amp to ths new 100 amp Retro fit kit! Upgrade...
Distributor DUI Performance Ford 351 Right Hand Reverse Rotation Black Color - DUI-M35820RRBK
Distributor DUI Performance Ford 351 Right Hand Reverse Rotation Black Color - DUI-M35820RRBK Distributor DUI Performance Ford 351 Right Hand Reverse Rotation Black Color - DUI-M35820RRBK
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Distributor DUI Performance Ford 351 Right Hand Reverse Rotation Black Color - DUI-M35820RRBK
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The DUI (Davis Unified Ignition) Advantage for your Ford 351 Windsor Right Hand (Reverse) Rotation! Virtually waterproof Vibration proof Fully Electronic Two wire hookup (12V &...
Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281
Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281
$44.05 $57.89
Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281
$44.05 $57.89
Sierra Distributor Cap & Rotor 18-5281 Tune-up kit includes cap & rotor for GM V8 marine engines with Delco EST HEI module-in-cap distributors For V8...
ETA Breaker Switch 2.5 AMP Thermal- Bilge Pump & Automatic Bilge Pump
ETA Breaker Switch 2.5 AMP Thermal- Bilge Pump & Automatic Bilge Pump ETA Breaker Switch 2.5 AMP Thermal- Bilge Pump & Automatic Bilge Pump
$42.00 $56.95
ETA Breaker Switch 2.5 AMP Thermal- Bilge Pump & Automatic Bilge Pump
$42.00 $56.95
ETA SYSTEMS BREAKER - SWITCH 2.5 AMP Correct Craft & Supra Dashes Push-On Spade Terminal Connector Combination Switch & Breaker Combination switch/circuit breakerUsed on dash of...
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650 Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
$255.30 $297.38
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
$255.30 $297.38
This switch and relay completely separates the batteries for independent use or will allow you to combine them for emergency starting! Great addition and good...
Alternator 100 Amp PCM Marine 5.7L - 6.0L With 6 Groove Pulley OEM RA097009A
Alternator 100 Amp PCM Marine 5.7L - 6.0L With 6 Groove Pulley OEM RA097009A
$445.40
Alternator 100 Amp PCM Marine 5.7L - 6.0L With 6 Groove Pulley OEM RA097009A
$445.40
100 Amp 12 Volt Original PCM Alternator with 6 Groove Pulley PCM Alternator 100A for most  5.7L and 6.0L engines OEM Not Aftermarket! PCM Part...
Housing Thermostat Housing Stainless Steel GM Mercruiser Complete Sierra 18-1989
Housing Thermostat Housing Stainless Steel GM Mercruiser Complete Sierra 18-1989
$249.87 $347.19
Housing Thermostat Housing Stainless Steel GM Mercruiser Complete Sierra 18-1989
$249.87 $347.19
Stainless thermostat housing fits various Mercruiser GM 4.3L, 5.7L, 7.4L and 8.2L marine engines Fits various Mercruiser GM 4.3L, 5.7L, 7.4L and 8.2L applications Stainless...
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