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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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Ignition Coil Ford - GM Standard Ignition OEM R117001
Ignition Coil Ford - GM Standard Ignition OEM R117001 Ignition Coil Ford - GM Standard Ignition OEM R117001
$86.52
Ignition Coil Ford - GM Standard Ignition OEM R117001
$86.52
OEM ignition coil for standard ignition - Original Crusader Item R117001 Ignition Coil Replaces Volvo Penta 835998 Point Type Ignitions Used with external resistance Replaces: Volvo...
Crank Sensor 5.0L - 5.7L MPI PCM Brand R020038
Crank Sensor 5.0L - 5.7L MPI PCM Brand R020038
$232.02
Crank Sensor 5.0L - 5.7L MPI PCM Brand R020038
$232.02
OEM Crank Sensor 5.0L, 5.7L - MPI - PCM R020038 Crank Sensor 5.0/5.7 MPI Replaces Volvo 3858979 Replaces Mecury 864297T01 PCM 2002 & Up 5.7/5.0...
Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
Switch Water TEmp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014 Switch Water TEmp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
$52.65
Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
$52.65
OEM Crusader engine temperature switch for PROTEC Water Temperature Switch – 3/8 inch NPT – PCM EEMS Pro Tec Ignition to 1995 PCM EEMS Pro...
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
$102.05 $141.89
Throttle Position Sensor -TPS - GM MPI Engine Sierra Brand Sierra 18-7700
$102.05 $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...
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
Sold Out
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 &...
Relay - Starter Marine Starter Relay PCM Original R130016
Relay - Starter Marine Starter Relay PCM Original R130016
$25.28
Relay - Starter Marine Starter Relay PCM Original R130016
$25.28
PCM 2007 & UP EXCALIBUR 343 - PRO SPORT 5.0 & 6.0L Square plastic style relay with 5 connection terminals Used on various Crusader model...
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...
Circuit Breaker 40 Amp Push Button
Circuit Breaker 40 Amp Push Button
$58.00 $72.99
Circuit Breaker 40 Amp Push Button
$58.00 $72.99
40 Amp Medium Duty Push Button Circuit BreakerNote: Replaces 35 Amp Reset-only 40A circuit breaker is ideal for many DC & AC circuit protection applications...
Circuit Breaker 20 Amp Push Button 2139
Circuit Breaker 20 Amp Push Button 2139
$54.36 $65.06
Circuit Breaker 20 Amp Push Button 2139
$54.36 $65.06
20 Amp Medium Duty Push Button Circuit Breaker Reset-only 20A circuit breaker is ideal for many DC & AC circuit protection applications that do not...
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
$223.32 $297.38
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
$223.32 $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...
20" For 21" Tank Depth Fuel Tank Sender Stainless Steel Moeller
20" For 21" Tank Depth Fuel Tank Sender Stainless Steel Moeller 20" For 21" Tank Depth Fuel Tank Sender Stainless Steel Moeller
$154.00 $209.00
20" For 21" Tank Depth Fuel Tank Sender Stainless Steel Moeller
$154.00 $209.00
20" Length - 21" Tank Depth - Moeller Reed Switch Sending Unit (Requires Dash Mounted Gauge) Reed Switch Sending Units collect fuel level information more...
Belt PCM Serpentine Chevy 6.0L -ZR6 - 2007 And Prior Only R066027
Belt PCM Serpentine Chevy 6.0L -ZR6 - 2007 And Prior Only R066027
$61.04
Belt PCM Serpentine Chevy 6.0L -ZR6 - 2007 And Prior Only R066027
$61.04
PCM R066027 Serpentine engine belt for ZR6  PCM 6.0L  375 HP 2007 and prior! 89-3/4" overall length and 13/16" wide Fits 1999 and up PCM Chevy...
Impeller Pump Repair Kit D-Shaped Shaft Quicksilver Brand
Impeller Pump Repair Kit D-Shaped Shaft Quicksilver Brand Impeller Pump Repair Kit D-Shaped Shaft Quicksilver Brand
$57.05 $62.89
Impeller Pump Repair Kit D-Shaped Shaft Quicksilver Brand
$57.05 $62.89
OEM Mercruiser impeller service kit for most inboard Mercruiser V8 engines 1980 to 2003 This is OEM, not an aftermarket CLICK HERE FOR SIERRA BRAND! Four-piece...
Raw Water Pump Crusader PCM Belt Driven Sherwood OEM SHER-G55-2 RA057009
Raw Water Pump Crusader PCM Belt Driven Sherwood OEM SHER-G55-2 Raw Water Pump Crusader PCM Belt Driven Sherwood OEM SHER-G55-2 RA057009
$1,049.00 $1,513.14
Raw Water Pump Crusader PCM Belt Driven Sherwood OEM SHER-G55-2 RA057009
$1,049.00 $1,513.14
Sherwood replacement bronze sea water pump for Pleasurecraft Marine 454 CID engines. Will fit PCM GM 350, 454 Up To Mid 1990'sWill not fit Excalibur...
Wear Plate For Sherwood Raw Water Pump Sherwood OEM# R109029 Sherwood Brand
Wear Plate For Sherwood Raw Water Pump Sherwood OEM# R109029 Sherwood Brand
$34.42 $43.42
Wear Plate For Sherwood Raw Water Pump Sherwood OEM# R109029 Sherwood Brand
$34.42 $43.42
Wear plate for Sherwood Raw Water Pump PCM OEM# R109029 SHERWOOD Triangular plate replaces the older style round one Uses Item # RM0125 Gasket
Thermostat 160 Degree PCM - Indmar Fresh Water Cooling Sierra Replaces R026002
Thermostat 160 Degree PCM - Indmar Fresh Water Cooling Sierra Replaces R026002
$19.92 $27.49
Thermostat 160 Degree PCM - Indmar Fresh Water Cooling Sierra Replaces R026002
$19.92 $27.49
INDMAR - PCM - THERMOSTAT 160 DEGREE SIERRA 18-3552 Sierra Brand Aftermarket thermostat used on various Mercruiser fresh water cooled inboard marine engines. Fits Mercruiser...
Fitting Nylon 1" NPT X 1-1/4" Barb 90 Degree For Manifold Water Drain Hose Indmar 605030
Fitting Nylon 1" NPT X 1-1/4" Barb 90 Degree For Manifold Water Drain Hose Indmar 605030 Fitting Nylon 1" NPT X 1-1/4" Barb 90 Degree For Manifold Water Drain Hose Indmar 605030
$13.00 $14.50
Fitting Nylon 1" NPT X 1-1/4" Barb 90 Degree For Manifold Water Drain Hose Indmar 605030
$13.00 $14.50
Fitting for exhaust water drain hose - OEM Indmar 605030 90 degree nylon fitting. Size 1 NPT" threaded X 1" hose Fitting used in Indmar...
Throttle Body DBW 5.7L OEM RA035045 - No Longer Available
Throttle Body DBW 5.7L OEM RA035045 Throttle Body DBW 5.7L OEM RA035045
Sold Out
Throttle Body DBW 5.7L OEM RA035045 - No Longer Available
Sold Out
Throttle Body DBW 5.7L OEM RA035045 - NO LONGER AVAILABLE This Throttle Body has 6 pin connectors on a single row! For the 3 pin on...
Belt Tensioner Assembly PCM 6.0L Engines Three Bolts RA068002A
Belt Tensioner Assembly PCM 6.0L Engines Three Bolts RA068002A Belt Tensioner Assembly PCM 6.0L Engines Three Bolts RA068002A
$143.61
Belt Tensioner Assembly PCM 6.0L Engines Three Bolts RA068002A
$143.61
CRU-RA068002 6.0L COMPLETE ASSEMBLY BODY & PULLEY  Three Bolts to mount. If you have two bolts holding your pulley on, CLICK HERE Fits PCM 2003...
Lock Washer 3/8 inch Zinc Split Lock Washer OEM RS2180
Lock Washer 3/8 inch Zinc Split Lock Washer OEM RS2180
$0.25
Lock Washer 3/8 inch Zinc Split Lock Washer OEM RS2180
$0.25
Split ring lock washer used with various hardware throughout a Crusader engine. Lockwasher Replaces Chrysler 115093 Replaces Crusader 103321 Replaces Indmar 565295Q Replaces Mercury/Mercruiser 13-35048...
Gasket Intake Manifold Ilmor OEM PV06477
Gasket Intake Manifold Ilmor OEM PV06477
$45.00 $47.50
Gasket Intake Manifold Ilmor OEM PV06477
$45.00 $47.50
Ilmor OEM Intake Manifold Gasket - OEM PV06477 COMPATIBLE WITH THE FOLLOWING ENGINES MV8 5.7L-OPS - V-Drive 5000MPI (5.7L) - Direct Drive MV8 5.7L -...
7.4L L29 Delco Tune Up Kit M74DELCO/L29/MAG
7.4L L29 Delco Tune Up Kit M74DELCO/L29/MAG
$179.00 $187.17
7.4L L29 Delco Tune Up Kit M74DELCO/L29/MAG
$179.00 $187.17
Comprehensive kit includes the items needed to tune-up Mercruiser 7.4L L29 GM multiport efi engines with Delco EST ignition system. Normal annual maintenance items including...
Pulley Idler Outside Gen 3 OEM Indmar 551294
Pulley Idler Outside Gen 3 OEM Indmar 551294
$199.19 $199.20
Pulley Idler Outside Gen 3 OEM Indmar 551294
$199.19 $199.20
Idler Pulley, Outside,GEN-3 OEM INDMAR 551294
160 Degree Thermostat Kit | Sierra 18-3677
160 Degree Thermostat Kit | Sierra 18-3677
$29.95 $36.69
160 Degree Thermostat Kit | Sierra 18-3677
$29.95 $36.69
Thermostat Aftermarket 160 degree thermostat kit fits many different OMC and Volvo Penta marine engines Fits OMC and Volvo Penta GM 4.3L V6 marine engines...
3 Inch ID Exhaust Hose With Wire Smooth Side Hardwall With Wire 3 Inch Inside Diameter ShieldFlex® 116-250-3000
Hose Exhaust Hose Hardwall Smooth Side With Wire 3 Inch I.D. ShieldFlex® 116-250-3000
$27.95 $39.22
3 Inch ID Exhaust Hose With Wire Smooth Side Hardwall With Wire 3 Inch Inside Diameter ShieldFlex® 116-250-3000
$27.95 $39.22
Exhaust Hose Smooth Wall With Wire 3" Inside Diameter 3" I.D. Shield's® Brand Exoflex® Sold per foot Example - Enter quantity of 5 for one...
High-Capacity Spin-On Gasoline Fuel Filter | Volvo Penta 3847644
High-Capacity Spin-On Gasoline Fuel Filter | Volvo Penta 3847644
$25.00 $26.00
High-Capacity Spin-On Gasoline Fuel Filter | Volvo Penta 3847644
$25.00 $26.00
Replacement OEM Volvo Penta 6-micron fuel water filter fits many different Volvo Penta gasoline marine engines. Volvo Penta 3847644 SX fuel filter Protects marine engines...
Spark Plug RS12YC, 6 Pack | Volvo Penta 3856759
Spark Plug RS12YC, 6 Pack | Volvo Penta 3856759
$30.00 $34.50
Spark Plug RS12YC, 6 Pack | Volvo Penta 3856759
$30.00 $34.50
Volvo Penta 3856759 Spark Plug 6 Pack Spark Plug Kit (Set 1) Replaces Volvo Penta 3851857, 3851858 Replaces OMC 502181
Delco EST V6 Rotor | Sierra 18-5408
Delco EST V6 Rotor | Sierra 18-5408
$10.49 $11.19
Delco EST V6 Rotor | Sierra 18-5408
$10.49 $11.19
Rotor for GM V6 marine engines with Delco EST module-in-cap distributors. Fits GM V6 new style module in cap Delco EST HEI distributors Used with...
Delco EST V6 Distributor Cap | Sierra 18-5362
Delco EST V6 Distributor Cap | Sierra 18-5362
$32.48 $36.99
Delco EST V6 Distributor Cap | Sierra 18-5362
$32.48 $36.99
Distributor cap for GM V6 marine engines with Delco EST module-in-cap distributors Fits V6 GM EST style distributors with the module connection plugs out the...
Spacer For Riser Crusader 4 Inch Exhaust Riser Spacer 6.0L | Crusader R062086
Spacer For Riser Crusader 4 Inch Exhaust Riser Spacer 6.0L | Crusader R062086
$155.25
Spacer For Riser Crusader 4 Inch Exhaust Riser Spacer 6.0L | Crusader R062086
$155.25
OEM Crusader exhaust riser extension used to raise the exhaust elbows 4 inches. Crusader exhaust riser extension used to raise the exhaust elbows 4 inches.
Items 801 to 832 of 1513 total