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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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Freeze Plug Brass 1-5/8" GM All OEM R069066
Freeze Plug Brass 1-5/8" GM All OEM R069066
$11.52
Freeze Plug Brass 1-5/8" GM All OEM R069066
$11.52
Brass Freeze Plug by PCM - Freeze Plugs for GM Marine Engines 1-5/8" OEM R069066 Use for GM on the side of the block TIP: Put...
Bracket PCM Water Hose 1" Hose Bracket Original PCM R090011
Bracket PCM Water Hose 1" Hose Bracket Original PCM R090011 Bracket PCM Water Hose 1" Hose Bracket Original PCM R090011
$5.40
Bracket PCM Water Hose 1" Hose Bracket Original PCM R090011
$5.40
WATER HOSE 1" HOSE BRACKET Original PCM R090011 Secures the 1" water feed hose before it gets to the raw water pump. Bolts on to...
Hose Formed PCM Ford GM Fresh Water Cooled Heat Exchanger To The Y Fitting
Hose Formed PCM Ford GM Fresh Water Cooled Heat Exchanger To The Y Fitting
$35.48
Hose Formed PCM Ford GM Fresh Water Cooled Heat Exchanger To The Y Fitting
$35.48
Formed Hose PCM FORD GM FRESH WATER COOLED HEAT EXCHANGER TO THE Y FITTING Fits all PCM Ford 302/351 with fresh water cooling Formed hose from...
Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow
Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow
$89.05 $129.99
Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow
$89.05 $129.99
DRAIN EZ FOR REPLACING THE BOTTOM DRAIN PLUG ON PCM 302 & 351 CIRCULATION PUMP ELBOW Excellent way to upgrade the way you drain you engine...
Nut Exhaust Elbow Attaching Nut, HX 3/8-24 (9/16 Hex) ZY 6.0L OEM 95310000
Nut Exhaust Elbow Attaching Nut, HX 3/8-24 (9/16 Hex) ZY 6.0L OEM 95310000
$0.25
Nut Exhaust Elbow Attaching Nut, HX 3/8-24 (9/16 Hex) ZY 6.0L OEM 95310000
$0.25
Nut, exhaust elbow attaching (4 each elbow) 6.0L 8 REQUIRED FOR EACH SIDE OF ENGINE
Stud For Exhaust Elbow Attaching 6.0L Small Short OEM R031036
Stud For Exhaust Elbow Attaching 6.0L Small Short OEM R031036
$10.08
Stud For Exhaust Elbow Attaching 6.0L Small Short OEM R031036
$10.08
Stud Exhaust Elbow Attaching for 6.0L SMALL / SHORT OEM R031036 6.0L 4 REQUIRED FOR EACH SIDE OF ENGINE
Stud For Exhaust Elbow Attaching 6.0L Large Long OEM R031037
Stud For Exhaust Elbow Attaching 6.0L Large Long OEM R031037
$10.80
Stud For Exhaust Elbow Attaching 6.0L Large Long OEM R031037
$10.80
Stud Exhaust Elbow Attaching for 6.0L LARGE / LONG OEM R031037 6.0L 2 PER SIDE - LONG
Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84
Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84 Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84
$579.00 $629.00
Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84
$579.00 $629.00
Center Riser Manifold for big Block GM Engines Sold Each. 1 per side. Includes Mounting Kit: Manifold Gasket Riser Gasket Plugs Mounting Bolts Water cooled...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Port 6.0/6.2 Liter OEM 252082
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Port 6.0/6.2 Liter OEM 252082
$620.83 $907.97
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Port 6.0/6.2 Liter OEM 252082
$620.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 6.0/6.2 Liter OEM 252082 MUFFLER - PORT 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2014 Muffler Mastercraft - 3.5" W/80° Elbow -28" Body OEM 252079
2011-2014 Muffler Mastercraft - 3.5" W/80° Elbow -28" Body OEM 252079
$587.50 $816.62
2011-2014 Muffler Mastercraft - 3.5" W/80° Elbow -28" Body OEM 252079
$587.50 $816.62
MUFFLER MASTERCRAFT 2011 - 2014 3.5" W/80° Elbow 28" Body OEM 252079 MUFFLER - 3.5" Outlet X 80* INLET 2011 - 2014 with a 28"...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet -Starboard 6.0L - ILMOR Engine OEM 252073
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Starboard 6.0L - ILMOR Engine OEM 252073
$557.05 $686.62
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet -Starboard 6.0L - ILMOR Engine OEM 252073
$557.05 $686.62
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0L - ILMOR Engine OEM 252073 MUFFLER-STARBOARD 2011 - 2012 USE W/ILMOR 6.0L Manufactured by Ultra Marine....
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 6.0L - ILMOR Engine OEM 252072
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Port 6.0L - ILMOR Engine OEM 252072
$674.83 $886.91
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 6.0L - ILMOR Engine OEM 252072
$674.83 $886.91
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 6.0L - ILMOR Engine OEM 252072 MUFFLER-PORT 2011 - 2012 USE W/ILMOR 6.0L  Manufactured by Ultra Marine....
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet -Starboard 5.7 L ILMOR Engine OEM 252071
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Starboard 5.7 L ILMOR Engine OEM 252071
$568.05 $749.88
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet -Starboard 5.7 L ILMOR Engine OEM 252071
$568.05 $749.88
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 L ILMOR Engine OEM 252071 The body is approx. 6-1/8” in diameter and is 9-1/4” long...
2014 Muffler Mastercraft - 5.7 Standard X2 Port Side 250044BP
2014 Muffler Mastercraft - 5.7 Standard X2 Port Side 250044BP
$505.65 $605.69
2014 Muffler Mastercraft - 5.7 Standard X2 Port Side 250044BP
$505.65 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard X2 Port Side Muffler X2 Part# 250044BP Full Kit Part# 250044B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra...
Rotor Mallory Unilite OEM Mallory Rotor MAA-335
Rotor Mallory Unilite OEM Mallory Rotor MAA-335
$34.05 $36.22
Rotor Mallory Unilite OEM Mallory Rotor MAA-335
$34.05 $36.22
Original Equipment Mallory Unilite Rotor with copper tip Distributor Rotor, Unilite, Brass Contact, Mallory, 37, 38 Series, V8 Mallory constructed these distributor rotors from an...
Distributor Cap With O-Ring (86 & Prior) Prestolite Clip Down Original PCM RA108002
Distributor Cap With O-Ring (86 & Prior) Prestolite Clip Down Original PCM RA108002
$85.20
Distributor Cap With O-Ring (86 & Prior) Prestolite Clip Down Original PCM RA108002
$85.20
Cap & Gasket Original PCM RA108002 Not Aftermarket Gasket Included The color may be tan or black depending on what the vendor sends us for stock. However,...
Ignition Kit Mallory Pertronix Ignitor II For Mallory Distributors PNX-9ML-181
Ignition Kit Mallory Pertronix Ignitor II For Mallory Distributors PNX-9ML-181 Ignition Kit Mallory Pertronix Ignitor II For Mallory Distributors PNX-9ML-181
$225.00
Ignition Kit Mallory Pertronix Ignitor II For Mallory Distributors PNX-9ML-181
$225.00
Pertronix "Ignitor II" Electronic Ignition Conversion Kit PNX-9ML-181 Pertronix Ignitor II electronic conversion kit for Mallory 8 cylinder distributors Note that the cap has clips...
Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003
Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003 Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003
$33.05 $58.76
Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003
$33.05 $58.76
NGK Premium Spark Plug Set NGK-YR5-7052 V-POWER Replaces PCM RP030003 Includes 8 Plugs Standard Non-Vortec Replaces MR43T These plugs are for Non-Vortec heads around 1996...
Starter Mounting Bolt Kit ARCO-MBK450 Size 4-3/8
Starter Mounting Bolt Kit ARCO-MBK450 Size 4-3/8
$26.00 $27.79
Starter Mounting Bolt Kit ARCO-MBK450 Size 4-3/8
$26.00 $27.79
ARCO Quality Marine Starter Mounting Bolt Kit For the Item# ARCO-30433 Starter  Mounting Bolt Kit MBK450 Mounting bolt kit for gear reduction starters Fits AR30470 starter...
Starter Right Hand GM Top Mount Original Crusader RA122008
Starter Right Hand GM Top Mount Original Crusader RA122008
$432.53
Starter Right Hand GM Top Mount Original Crusader RA122008
$432.53
Original Crusader Starter for GM RIGHT Hand Rotation "Opposite Rotation" Engines Fits 305 - 350 - 454 - Engines - Top Mount Starter Top mount bolts...
Fuse Holder In-Dash Panel Mount Sierra FS45430
Fuse Holder In-Dash Panel Mount Sierra FS45430 Fuse Holder In-Dash Panel Mount Sierra FS45430
$7.95 $9.59
Fuse Holder In-Dash Panel Mount Sierra FS45430
$7.95 $9.59
Twist cap fuse holder, for panel mount dashes up to 5/16" thick Uses 1/4" X 1-1/4" fuses, commonly used on older Mastercraft Boats Fuse Holder...
Temperature Water Temp Sender For MPI PCM All GT40 All Years Original PCM R020024
Temperature Water Temp Sender For MPI PCM All GT40 All Years Original PCM R020024 Temperature Water Temp Sender For MPI PCM All GT40 All Years Original PCM R020024
$101.38
Temperature Water Temp Sender For MPI PCM All GT40 All Years Original PCM R020024
$101.38
Coolant Temperature Sender for ALL PCM GT40 Engines Water temperature sensor for PCM GT40 : Sends temperature signal to the ECM Coolant Temperature Sensor Replaces...
Wire Set Spark Plug And Coil 5.0 - 5.7 MPI HVS RH Original PCM RK120020
Wire Set Spark Plug And Coil 5.0 - 5.7 MPI HVS RH Original PCM RK120020
$84.98
Wire Set Spark Plug And Coil 5.0 - 5.7 MPI HVS RH Original PCM RK120020
$84.98
OEM PCM Wire Set For 5.7 & 5.0L MPI HVS Right Hand Right Hand - Reverse Rotation Crusader / PCM Left Hand or Standard Rotation Uses Item#...
Ignition Coil Accel Indmar Carbureted GM With Delco Distributor
Ignition Coil Accel Indmar Carbureted GM With Delco Distributor Ignition Coil Accel Indmar Carbureted GM With Delco Distributor
$108.00 $119.82
Ignition Coil Accel Indmar Carbureted GM With Delco Distributor
$108.00 $119.82
ACCEL IGNITION COIL For Indmar Carbureted GM with Delco Distributor Remote HEI Super Coil, E-core, Square, Epoxy, Black/Yellow, 48,000 V, GM
Ignition Coil Electronic Ignition External Resistor Type PCM R117004
Ignition Coil Electronic Ignition External Resistor Type PCM R117004 Ignition Coil Electronic Ignition External Resistor Type PCM R117004
$69.76
Ignition Coil Electronic Ignition External Resistor Type PCM R117004
$69.76
PCM OEM Ignition Coil for standard ignitions PCM Brand R117004 Prestolite, Mallory or Pertronix Breakerless Electronic Ignition Systems COIL,EXTERNAL RESISTOR TYPE Replaces Crusader 37068 Replaces Pleasurecraft...
Map Sensor (IAFM) 5.7L - 5.0L GM PCM R020039
Map Sensor (IAFM) 5.7L - 5.0L GM PCM R020039 Map Sensor (IAFM) 5.7L - 5.0L GM PCM R020039
$262.50
Map Sensor (IAFM) 5.7L - 5.0L GM PCM R020039
$262.50
OEM Map Sensor PCM R020039 5.7L & 5.0L Original PCM 2002 & Up PCM GM 5.7, 5.0L, Manifold Absolute Pressure. Bosch, with 4 pin connector...
Map Sensor - GM And LT1 TBI OEM
Map Sensor - GM And LT1 TBI OEM Map Sensor - GM And LT1 TBI OEM
$141.75
Map Sensor - GM And LT1 TBI OEM
$141.75
OEM Map Sensor for GM & LT1 Original Crusader manifold absolute pressure sending unit send air flow measurements to the ECM. GM Throttle Body Injection...
Idle Air Controller For TBI And LT1 OEM
Idle Air Controller For TBI And LT1 OEM
$262.81
Idle Air Controller For TBI And LT1 OEM
$262.81
Throttle Body Injection Idle Air Controller OEM Version For GM 1994 and up TBI & LT1 Corvette Engine Indmar Indmar old PT # 55-6085 Also...
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...
Alternator Kit 100 Amp Retro Fit PCM GT40 EFI And Carbureted Ford Engines OEM RF097009A
Alternator Kit 100 Amp Retro Fit PCM GT40 EFI And Carbureted Ford Engines OEM RF097009A
$489.07
Alternator Kit 100 Amp Retro Fit PCM GT40 EFI And Carbureted Ford Engines OEM RF097009A
$489.07
100 Amp Alternator Kit GT40 EFI & Carbureted Ford Engines Originally designed for the GT40 EFI engine Will work on Carbureted Ford engines Just use your...
Distributor DUI Performance 302 - 289 Right Hand Reverse Rotation Black Color - DUI-M31820RRBK
Distributor DUI Performance 302 - 289 Right Hand Reverse Rotation Black Color - DUI-M31820RRBK Distributor DUI Performance 302 - 289 Right Hand Reverse Rotation Black Color - DUI-M31820RRBK
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Distributor DUI Performance 302 - 289 Right Hand Reverse Rotation Black Color - DUI-M31820RRBK
Sold Out
The DUI (Davis Unified Ignition) Advantage for 302 & 289 Right Hand (Reverse) Rotation! Correct Craft and a few other engines Engine Model# PRA, PRB...
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...
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