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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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Spark Plug Set 302 -351 18MM Autolite - Set Of 8 PCM RP030001
Spark Plug Set 302 -351 18MM Autolite - Set Of 8 PCM RP030001 Spark Plug Set 302 -351 18MM Autolite - Set Of 8 PCM RP030001
$52.05 $63.20
Spark Plug Set 302 -351 18MM Autolite - Set Of 8 PCM RP030001
$52.05 $63.20
Note: Original PCM Spark Plug Set is NLA This is the NGK Equivalent  Includes 8 Plugs Ford 351 & 302 Engines 1971-1974 YEARS 1971 through 1974 Recommended...
Spark Plug Set 305 - 350 - 454 Autolite Set Of 8 Original PCM RP030003
Spark Plug Set 305 - 350 - 454 Autolite Set Of 8 Original PCM RP030003 Spark Plug Set 305 - 350 - 454 Autolite Set Of 8 Original PCM RP030003
$43.33
Spark Plug Set 305 - 350 - 454 Autolite Set Of 8 Original PCM RP030003
$43.33
PCM Original Spark Plug Set  PCM RP030003 Includes 8 Plugs Standard Non-Vortec Replaces MR43T These plugs are for Non-Vortec heads around 1996 and prior Recommended...
Starter GM Bottom Mount Left Hand Permanent Magnet Replaces PCM RF122015 ARCO 30433
Starter GM Bottom Mount Left Hand Permanent Magnet Replaces PCM RF122015 ARCO 30433
$242.13 $275.24
Starter GM Bottom Mount Left Hand Permanent Magnet Replaces PCM RF122015 ARCO 30433
$242.13 $275.24
ARCO Quality Marine Starter Bottom Mount GM ARCO-30433 Replaces PCM RA122015 - We have the PCM Brand too; click HERE for RA122015 Standard duty staggered...
Starter GM 6.0L Bottom Mount 2003 Up 6.0L - ZR6 - ZR409 - ZR450 - LY6 - Assault 6.0L ARCO 30462
Starter GM 6.0L Bottom Mount 2003 Up 6.0L - ZR6 - ZR409 - ZR450 - LY6 - Assault 6.0L ARCO 30462
$275.00 $340.73
Starter GM 6.0L Bottom Mount 2003 Up 6.0L - ZR6 - ZR409 - ZR450 - LY6 - Assault 6.0L ARCO 30462
$275.00 $340.73
ARCO Quality Marine Starter Replaces RA122019 ARCO-30462 Bottom Mounted Starter for PCM Engines 2003 & UP 6.0L - ZR6 - ZR409 - ZR450 - LY6 -...
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...
Solenoid Replacement For Starter GM Left Hand GM Top Mount ARCO-SW463
Solenoid Replacement For Starter GM Left Hand GM Top Mount ARCO-SW463
$52.00 $59.03
Solenoid Replacement For Starter GM Left Hand GM Top Mount ARCO-SW463
$52.00 $59.03
Replacement starter solenoid Replaces PCM RU0050B Fits OE Delco PG 260 This solenoid will not fit Arco 30460 or 30470 Replaces OMC 3850216 Replaces Mercury...
Switch Oil Pressure PCM Early Years Protec Ignitions Original R020015
Switch Oil Pressure PCM Early Years Protec Ignitions Original R020015
Sold Out
Switch Oil Pressure PCM Early Years Protec Ignitions Original R020015
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THIS ITEM IS NO LONGER AVAILABLE! - THE REPLACEMENT ITEM IS ITEM NUMBER R020015A CLICK HERE TO ORDER THE REPLACEMENT OIL PRESSURE SWITCH OIL PRESSURE...
Map Sensor GT40 PCM Ford EFI All Years PCM R020025
Map Sensor GT40 PCM Ford EFI All Years PCM R020025 Map Sensor GT40 PCM Ford EFI All Years PCM R020025
$335.46
Map Sensor GT40 PCM Ford EFI All Years PCM R020025
$335.46
OEM Map Sensor All PCM GT40 Multi-Port EFI Engines Original PCM R020025
Injector Fuel 24 Pound Per Hour GT40 RN0154
Injector Fuel 24 Pound Per Hour GT40 RN0154 Injector Fuel 24 Pound Per Hour GT40 RN0154
$252.86
Injector Fuel 24 Pound Per Hour GT40 RN0154
$252.86
GT 40 ALL YEARS 24 POUND PER HOUR PCM GT40 ALL YEARS Sold Each
Crank Position Sensor Indmar For All 6.0L - LQ9 Engines - OEM Indmar 55-1360
Crank Position Sensor Indmar For All 6.0L - LQ9 Engines - OEM Indmar 55-1360
$118.00 $202.28
Crank Position Sensor Indmar For All 6.0L - LQ9 Engines - OEM Indmar 55-1360
$118.00 $202.28
OEM Crank Position Sensor Indmar 6.0L - LQ9 All Years Indmar 551360 Fits ALL Indmar 6.0L & LQ9 Engines Sold each
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 OEM Version R084003 Some Multi Port EFI, PCM Apex, Indmar LTR Will not work on 2002 up PCM Manufacturer's Part Number...
Throttle Position Sensoe - All LT 1 Engines - Original Indmar 55-6032
Throttle Position Sensoe - All LT 1 Engines - Original Indmar 55-6032 Throttle Position Sensoe - All LT 1 Engines - Original Indmar 55-6032
$196.48 $211.60
Throttle Position Sensoe - All LT 1 Engines - Original Indmar 55-6032
$196.48 $211.60
OEM Indmar Throttle Position Sensor for LT1 Engines For ALL LT1 Mastercraft Corvette Engines Also fits some older Indmar Monsoon engines
Voltage Regulator ASM PCM Original Item 97201
Voltage Regulator ASM PCM Original Item 97201
$88.95 $95.25
Voltage Regulator ASM PCM Original Item 97201
$88.95 $95.25
PCM Voltage Regulator ASM  Crusader Part# 97201 PRESTOLITE ORIGINAL
Wire Set Spark Plug And Coil Big Block Engine Blue UIW-110 Performance
Wire Set Spark Plug And Coil Big Block Engine Blue UIW-110 Performance
$82.38 $98.61
Wire Set Spark Plug And Coil Big Block Engine Blue UIW-110 Performance
$82.38 $98.61
V8 Big Block Spark Plug Wire Set United Ignition Wire 110 8 mm ignition wire set Fits GM OR Ford 8 cylinder big block marine engines...
Ignition Module Delco EST Original Crusader Brand R116014
Ignition Module Delco EST Original Crusader Brand R116014
$255.24
Ignition Module Delco EST Original Crusader Brand R116014
$255.24
Crusader R116014 Ignition Module for Delco Distributor Crusader Delco Ignition Module Original Crusader Replaces Mercury/Mercruiser 811637001 Replaces Marine Power 483002 Replaces OMC/Johnson/Evinrude 3854003 Replaces Pleasurecraft...
Ignition Coil GM Delco HEI EST Type Mallory OEM Brand MI-9-29708
Ignition Coil GM Delco HEI EST Type Mallory OEM Brand MI-9-29708
$94.05 $130.39
Ignition Coil GM Delco HEI EST Type Mallory OEM Brand MI-9-29708
$94.05 $130.39
Mallory Ignition coil with mounting bracket fits GM marine engines with Delco HEI ignition systems MALLORY BRAND IGNITION COIL Delco HEI Ignition Coil Fits GM...
Distributor Mallory 5.8 Ford 351 Breakerless Left Hand Factory Original PCM # RA107025A
Distributor Mallory 5.8 Ford 351 Breakerless Left Hand Factory Original PCM # RA107025A Distributor Mallory 5.8 Ford 351 Breakerless Left Hand Factory Original PCM # RA107025A
$760.14
Distributor Mallory 5.8 Ford 351 Breakerless Left Hand Factory Original PCM # RA107025A
$760.14
Mallory magnetic breakerless ignition distributor fits Ford 5.8L left hand rotation marine engines Original PCM - This is NOT an aftermarket Distributor! Requires resistor block...
Rotor Delco EST Distributor V8 Rotor Sierra 18-5405 Used With Distributor Cap 18-5354
Rotor Delco EST Distributor V8 Rotor Sierra 18-5405 Used With Distributor Cap 18-5354
$14.45 $17.19
Rotor Delco EST Distributor V8 Rotor Sierra 18-5405 Used With Distributor Cap 18-5354
$14.45 $17.19
Sierra Rotor fits GM V8 marine engines with Delco EST HEI module-in-cap distributors Replaces Mercury 808484, 808484 1, 898253010, 8M6001253 Replaces Crusader 38071, R103008 Replaces...
Relay - Mercruiser Starter Relay Flat Bracket - Mercury OEM Brand QS-89-96054T
Relay - Mercruiser Starter Relay Flat Bracket - Mercury OEM Brand QS-89-96054T
$34.76
Relay - Mercruiser Starter Relay Flat Bracket - Mercury OEM Brand QS-89-96054T
$34.76
Flat Bracket Relay Solenoid For Mercury - Mercruiser Brand OEM Quicksilver 89-96054T Solenoid 12V isolated base starter solenoid and tilt & trim solenoid for various Mercury and...
Relay - Mercruiser Starter Relay Flat Bracket - Sierra Brand 18-5816
Relay - Mercruiser Starter Relay Flat Bracket - Sierra Brand 18-5816 Relay - Mercruiser Starter Relay Flat Bracket - Sierra Brand 18-5816
$24.00 $29.99
Relay - Mercruiser Starter Relay Flat Bracket - Sierra Brand 18-5816
$24.00 $29.99
Flat Bracket Relay Solenoid For Mercury - Mercruiser 12V isolated base starter solenoid and tilt & trim solenoid for various Mercury and Mercruiser applications Fits many Mercury...
Battery Isolator Promariner 2 Alternator - 2 Battery - 130 Amp Max
Battery Isolator Promariner 2 Alternator - 2 Battery - 130 Amp Max
Sold Out
Battery Isolator Promariner 2 Alternator - 2 Battery - 130 Amp Max
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Promariner 2 Alternator & 2 Battery 130 Amp Isolator One or two alternators can be connected; mulitple battery banks Allows electric current to flow in...
7" Fuel Tank Sender Stainless Steel Moeller
7" Fuel Tank Sender Stainless Steel Moeller 7" Fuel Tank Sender Stainless Steel Moeller
$81.95 $123.19
7" Fuel Tank Sender Stainless Steel Moeller
$81.95 $123.19
7" Length - 8" Tank Depth - Reed Switch Sending Unit Reed Switch Sending Units collect fuel level information more consistently than swing-arm senders. They...
14" Fuel Tank Sender Stainless Steel Moeller
14" Fuel Tank Sender Stainless Steel Moeller 14" Fuel Tank Sender Stainless Steel Moeller
$124.00 $134.19
14" Fuel Tank Sender Stainless Steel Moeller
$124.00 $134.19
14" Length - 15" Tank Depth - Moeller Reed Switch Sending Unit (Requires Dash Mounted Gauge) Reed Switch Sending Units collect fuel level information more...
12" Fuel Tank Sender Stainless Steel Moeller
12" Fuel Tank Sender Stainless Steel Moeller 12" Fuel Tank Sender Stainless Steel Moeller
$72.05 $100.99
12" Fuel Tank Sender Stainless Steel Moeller
$72.05 $100.99
12" Length - 13" Tank Depth - Moeller Reed Switch Sending Unit (Requires Dash Mounted Gauge) Reed Switch Sending Units collect fuel level information more...
10" Fuel Tank Sender For 11" Tank Depth Stainless Steel Moeller 114-03576210
10" Fuel Tank Sender For 11" Tank Depth Stainless Steel Moeller 114-03576210 10" Fuel Tank Sender For 11" Tank Depth Stainless Steel Moeller 114-03576210
$84.47 $128.59
10" Fuel Tank Sender For 11" Tank Depth Stainless Steel Moeller 114-03576210
$84.47 $128.59
10" Length - 11" Tank Depth - Moeller Reed Switch Sending Unit (Requires Dash Mounted Gauge) Reed Switch Sending Units collect fuel level information more...
Renew Kit Holley OEM Item - 703-28 Rebuild Kit PCM OEM RN0118-1
Holley OEM Item - Marine Carburetor Renew Kit 703-28
$104.00 $107.35
Renew Kit Holley OEM Item - 703-28 Rebuild Kit PCM OEM RN0118-1
$104.00 $107.35
Holley OEM Item - Marine Carburetor Renew Kit  703-28 REPLACES PCM RN0118-1 Rebuild kit for various Model 4160 Holley Marine Carburetors. For Holley Marine carburetors with...
Flame Arrestor 7.4L MPI 8.1 Crusader Brand OEM R145021
Flame Arrestor 7.4L MPI 8.1 Crusader Brand OEM R145021 Flame Arrestor 7.4L MPI 8.1 Crusader Brand OEM R145021
$115.88
Flame Arrestor 7.4L MPI 8.1 Crusader Brand OEM R145021
$115.88
Flame Arrestor OEM Crusader-PCM 7.4L MPI 8.1
Gasket Thermostat Housing 6.0L PCM ZR6 & ZR409 - Requires 2 OEM# RM0275
Gasket Thermostat Housing 6.0L PCM ZR6 & ZR409 - Requires 2 OEM# RM0275
$5.76
Gasket Thermostat Housing 6.0L PCM ZR6 & ZR409 - Requires 2 OEM# RM0275
$5.76
GASKET THERMOSTAT HOUSING 6.0L PCM ZR6 & ZR409 OEM# RM0275 Original Crusader You will need to order 2 of these! There is one on EACH SIDE...
Repair Kit Major Raw Water Pumps For Sherwood E-35 Pumps
Repair Kit Major Raw Water Pumps For Sherwood E-35 Pumps
$248.61 $378.41
Repair Kit Major Raw Water Pumps For Sherwood E-35 Pumps
$248.61 $378.41
SHERWOOD Pump repair kit Sherwood raw water pump major repair kit For Crusader pump 97179 raw water pump used on many Crusader engines For Sherwood...
Snap Ring - Retainer Ring - Small External - For Sherwood Raw Water Pumps PCM OEM R040869
Snap Ring - Retainer Ring - Small External - For Sherwood Raw Water Pumps PCM OEM R040869 Snap Ring - Retainer Ring - Small External - For Sherwood Raw Water Pumps PCM OEM R040869
$4.75 $5.59
Snap Ring - Retainer Ring - Small External - For Sherwood Raw Water Pumps PCM OEM R040869
$4.75 $5.59
Replacement external type retaining ring for various Sherwood seawater pumps. Sherwood raw water pump external type retaining ring OEM# 048069 Use with Ford Sherwood raw...
Thermostat 170 Degree PCM Ford Fresh Water Cooled With Gasket OEM RP026001
Thermostat 170 Degree PCM Ford Fresh Water Cooled With Gasket OEM RP026001
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Thermostat 170 Degree PCM Ford Fresh Water Cooled With Gasket OEM RP026001
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THIS ITEM IS NO LONGER AVAILABLE AND IS REPLACED BY THE 170° THERMOSTAT. CLICK HERE for the updated part RP026003 The old 145 degree is now...
Mercruiser Drain Cock Fitting 3/4 X 1 Inch OEM BARR-MC-50-806926
Mercruiser Drain Cock Fitting 3/4 X 1 Inch OEM BARR-MC-50-806926
$29.00
Mercruiser Drain Cock Fitting 3/4 X 1 Inch OEM BARR-MC-50-806926
$29.00
Mercruiser Drain Cock Fitting Replacement 3/4" N.P.T. X 1" hose fitting 90 degree drain cock. Made of brass.
Items 1185 to 1216 of 1513 total