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ENGINE PARTS

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 several 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 20 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 for sale today.

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Hose Formed Oil Cooler To Crank Pump
Hose Formed Oil Cooler To Crank Pump
10%
$31.60 $34.95
Hose Formed Oil Cooler To Crank Pump
$31.60 $34.95
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
30%
$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!
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
28%
$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 - Port 5.7 Liter OEM 252080
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 Liter OEM 252080
29%
$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...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 L ILMOR Engine OEM 252070
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Port 5.7 L ILMOR Engine OEM 252070
24%
$568.05 $749.88
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 L ILMOR Engine OEM 252070
$568.05 $749.88
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port Side 5.7 L ILMOR Engine OEM 252070 MUFFLER-PORT 2011 - 2012 - USE W/ILMOR 5.7L The body...
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
17%
$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...
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
21%
$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
24%
Sold Out
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
Sold Out
UM-2015 IS NLA - Ultra Marine - Muffler Aftermarket Interchangeable FOR REPLACEMENT - CLICK HERE 60 Degree <NOT 45 degree> Angled 3" Inlet With 3"...
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
13%
$6.85 $7.89
Bolt For Exhaust Riser For 3-1/2" Riser Ford - GM All Years PCM RS0387
$6.85 $7.89
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 PERTRONIX ROTOR FOR CLIP DOWN CAP PNX-1581R - NLA
ROTOR PERTRONIX ROTOR FOR CLIP DOWN CAP PNX-1581R - NLA ROTOR PERTRONIX ROTOR FOR CLIP DOWN CAP PNX-1581R - NLA
28%
Sold Out
ROTOR PERTRONIX ROTOR FOR CLIP DOWN CAP PNX-1581R - NLA
Sold Out
Distributor Rotor, Replacement, Prestolite, Ignitor Conversion This is the rotor for the Pertronix Ignitor I and II conversion & fits the magnetic collar. Works with...
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
18%
$20.31 $24.69
Points Prestolite 1-42 Ford All Years Original PCM R114002
$20.31 $24.69
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-...
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
10%
$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-...
Spark Plug Set Vortec 5.7L Autolite Set Of 8 OEM RP030008
Spark Plug Set Vortec 5.7L Autolite Set Of 8 OEM RP030008
24%
$38.00 $49.95
Spark Plug Set Vortec 5.7L Autolite Set Of 8 OEM RP030008
$38.00 $49.95
Original Crusader - PCM Spark Plug Set RP030008 Includes 8 Plugs GM Vortec 300+ HP Replaces the MR43LTS The Vortec engines have the intake manifold...
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
9%
$52.00 $56.95
Sensor Crank Position Pro Tec Ignition Located In The Trigger Wheel Original PCM# R020012
$52.00 $56.95
Original PCM Crank Position Sensor for Pro Tec Ignitions This sensor is located in the trigger wheel
Starter GM Left Hand GM Top Mount ARCO 30459 Replaces Crusader RA122009
Starter GM Left Hand GM Top Mount ARCO 30459 Replaces Crusader RA122009 Starter GM Left Hand GM Top Mount ARCO 30459 Replaces Crusader RA122009
16%
$277.69 $331.09
Starter GM Left Hand GM Top Mount ARCO 30459 Replaces Crusader RA122009
$277.69 $331.09
Arco Quality Marine Starter for GM Left Hand Rotation "Standard" Engines Fits 305 - 350 - 454 - 6.0L Engines - Top Mount Starter Fits...
Adapter For Oil Sender All GM Engines Original PCM R024059
Adapter For Oil Sender All GM Engines Original PCM R024059 Adapter For Oil Sender All GM Engines Original PCM R024059
43%
$2.90 $5.07
Adapter For Oil Sender All GM Engines Original PCM R024059
$2.90 $5.07
Oil Sender Adapter for ALL GM Engines - Original PCM Item R024059 1/8" NPT female to 1/8" NPT male adapter Extends the oil sender out...
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
21%
$22.20 $27.99
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
$22.20 $27.99
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...
Crank Sensor 5.0L - 5.7L MPI PCM Brand R020038
Crank Sensor 5.0L - 5.7L MPI PCM Brand R020038
17%
$193.61 $232.02
Crank Sensor 5.0L - 5.7L MPI PCM Brand R020038
$193.61 $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...
Throttle Position Sensor TPS GM Indmar OEM 55-6103
Throttle Position Sensor TPS GM Indmar OEM 55-6103 Throttle Position Sensor TPS GM Indmar OEM 55-6103
24%
$145.00 $189.95
Throttle Position Sensor TPS GM Indmar OEM 55-6103
$145.00 $189.95
Throttle Position Sensor, TPS - INDMAR OEM 55-6103 FITS INDMAR AND PCM  Not for 06 up Drive By Wire Multi-wire plug-in Original Crusader Replaces Crusader 49061 Replaces...
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
10%
Sold Out
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 &...
Ignition Coil GM Delco HEI EST Type Sierra Brand 18-5443
Ignition Coil GM Delco HEI EST Type Sierra Brand 18-5443
4%
$78.95 $82.00
Ignition Coil GM Delco HEI EST Type Sierra Brand 18-5443
$78.95 $82.00
Sierra Brand Ignition coil with mounting bracket fits GM marine engines with Delco HEI ignition systems SIERRA IGNITION COIL Delco HEI Ignition Coil Fits most...
Circuit Breaker 60 Amp Push Button
Circuit Breaker 60 Amp Push Button
10%
$60.80 $67.65
Circuit Breaker 60 Amp Push Button
$60.80 $67.65
60 Amp Medium Duty Push Button Circuit Breaker Reset-only 60A circuit breaker is ideal for many DC & AC circuit protection applications that do not...
Housing Thermostat Housing Stainless Steel GM Mercruiser Complete OEM 18-1989
Housing Thermostat Housing Stainless Steel GM Mercruiser Complete OEM 18-1989
8%
$289.00 $313.39
Housing Thermostat Housing Stainless Steel GM Mercruiser Complete OEM 18-1989
$289.00 $313.39
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...
Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt
Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt
40%
$15.00 $25.13
Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt
$15.00 $25.13
Alternator 55A V-Belt Pulley Mando Alternator Pulley Fits all 51 and 55 amp v-belt alternators with V-Belt Pulley measures 2-11/16" In Diameter Pulley Measures 1-1/16" Thick...
5" Fuel Tank Sender For 6" Tank Depth Stainless Steel
5" Fuel Tank Sender For 6" Tank Depth Stainless Steel 5" Fuel Tank Sender For 6" Tank Depth Stainless Steel
9%
$60.30 $65.99
5" Fuel Tank Sender For 6" Tank Depth Stainless Steel
$60.30 $65.99
5" Length - 6" Tank Depth - Reed Switch Sending Unit  Reed Switch Sending Units collect fuel level information more consistently than swing-arm senders. They...
Belt PCM Alternator GM 305 & 350 - 5.7 & 454 Standard R066010
PCM Alternator V-Belt 5.7L & 454 Standard PCM Alternator V-Belt 5.7L & 454 Standard
18%
$14.32 $17.43
Belt PCM Alternator GM 305 & 350 - 5.7 & 454 Standard R066010
$14.32 $17.43
PCM Alternator V-Belt 5.7L & 454 Standard Single Belt Drive Through 1999 ts PCM Chevy 305/350 engines Belt is 1/2" wide 43-1/2" overall length 3/8" height of...
Impeller GM Mercruiser - D-Shaft Sierra 18-3087 Replaces OEM 47-59362
Impeller GM Mercruiser - D-Shaft Sierra 18-3087 Replaces OEM 47-59362
11%
$26.79 $29.99
Impeller GM Mercruiser - D-Shaft Sierra 18-3087 Replaces OEM 47-59362
$26.79 $29.99
Replacement D shaft impeller for Mercruiser Bravo raw water pump. Replaces OEM Merc 47-59362 and 47-59362T impeller Also fits Jabsco Brass Replacement pumps 43210-0007 Fits...
Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034
Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034 Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034
14%
$769.00 $894.06
Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034
$769.00 $894.06
For PCM Excalibur, Pro Sport 5.0 with serpentine belt Crusader RA057034 Raw Water Pump. Block mounted raw water pump used on some Crusader 5.7L MPI...
Bearing Seal For Johnson & Sherwood Crank Drive Raw Water Pumps
Bearing Seal For Johnson & Sherwood Crank Drive Raw Water Pumps Bearing Seal For Johnson & Sherwood Crank Drive Raw Water Pumps
38%
$24.00 $38.95
Bearing Seal For Johnson & Sherwood Crank Drive Raw Water Pumps
$24.00 $38.95
Fits crank driven Indmar Johnson pump & Crank driven Pleasurecraft Sherwood pumps. Sold each! Requires 2 Bearings - Both pumps require 2 bearings! WILL NOT...
Repair Kit Major Raw Water Pumps For Sherwood G-21 - J-70 And More Pump
Repair Kit Major Raw Water Pumps For Sherwood G-21 - J-70 And More Pump
14%
$244.83 $284.53
Repair Kit Major Raw Water Pumps For Sherwood G-21 - J-70 And More Pump
$244.83 $284.53
SHERWOOD Major Pump repair kit Sherwood raw water pump major repair kit Includes impeller, 09959K - wear plate, cam, shaft seal, bearings and other small...
Thermostat 160 Degree PCM - Indmar Fresh Water Cooling Sierra Replaces R026002
Thermostat 160 Degree PCM - Indmar Fresh Water Cooling Sierra Replaces R026002
35%
$17.82 $27.50
Thermostat 160 Degree PCM - Indmar Fresh Water Cooling Sierra Replaces R026002
$17.82 $27.50
INDMAR - PCM - THERMOSTAT 160 DEGREE SIERRA 18-3552 Sierra Brand Aftermarket thermostat used on various Mercruiser fresh water cooled inboard marine engines. Fits Mercruiser...
Alternator 95 Amp ARCO Marine Alternator PCM - Indmar 6 Groove Pulley OEM
Alternator 95 Amp ARCO Marine Alternator PCM - Indmar 6 Groove Pulley OEM
17%
$286.90 $346.61
Alternator 95 Amp ARCO Marine Alternator PCM - Indmar 6 Groove Pulley OEM
$286.90 $346.61
New 95 amp 12 volt marine alternator with 6 groove pulley Fits 2007 Mastercraft X-Star + more! PULLEY INCLUDED! Internal regulator negative ground Alternator 95A...
Items 577 to 608 of 1354 total