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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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2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Port Side UM-250047AP
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Starboard Side UM-250047AS
$503.98 $605.69
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Port Side UM-250047AP
$503.98 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard 214V &  X14V Port Side Muffler 214V - X14V Part# 250047AP Full Kit Part# 250047A includes both mufflers. Manufactured by Ultra...
2014 Muffler Kit Mastercraft - Prostar 5.7 Port And Starboard Mufflers With 2 - Fiberglass Elbows 250039A
2014 Muffler Kit Mastercraft - Prostar 5.7 Port And Starboard Mufflers With 2 - Fiberglass Elbows 250039A
$1,137.31 $1,331.72
2014 Muffler Kit Mastercraft - Prostar 5.7 Port And Starboard Mufflers With 2 - Fiberglass Elbows 250039A
$1,137.31 $1,331.72
Mastercraft Muffler Kit - 2014 5.7L Part# 250039A Kit Includes: 1 - Prostar 5.7L Port Muffler 1 - Starboard Muffler 2 - Fiberglass Elbows If you...
2014 Muffler Kit Mastercraft Prostar 6.2 Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250038A
2014 Muffler Kit Mastercraft Prostar 6.2 Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250038A
$912.44 $1,112.48
2014 Muffler Kit Mastercraft Prostar 6.2 Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250038A
$912.44 $1,112.48
Mastercraft Muffler Kit - 2014 6.2L Part# 250038A Kit Includes: 1 - Prostar 6.2L Port Muffler 1 - Starboard Muffler 2 - 35° Fiberglass Elbows Main...
2014 Muffler Mastercraft Prostar 6.2L Engine 2500381
2014 Muffler Mastercraft Prostar 6.2L Engine 2500381
$405.47 $560.94
2014 Muffler Mastercraft Prostar 6.2L Engine 2500381
$405.47 $560.94
Mastercraft Muffler 2014 Prostar 6.2L Engine 6.2 Prostar 3.5" Inlet wit a 90° angle - 3.5" Outlet Part# 2500381 Main Barrel is 6" diameter Overall...
2014 Muffler Kit Mastercraft Prostar 5.7 CE Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250037
2014 Muffler Kit Mastercraft Prostar 5.7 CE Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250037
$993.40 $1,112.48
2014 Muffler Kit Mastercraft Prostar 5.7 CE Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250037
$993.40 $1,112.48
Mastercraft Muffler Kit - 2014 Years Part# 250037 Kit Includes: 1 - Prostar 5.7 CE Port Muffler 1 - Starboard Muffler 2 - 35° Fiberglass Elbows...
Bolt For Exhaust Riser Zinc Coated - Long Bolt For 3 Inch Riser RS0283
Bolt For Exhaust Riser Zinc Coated - Long Bolt For 3 Inch Riser RS0283
$0.50
Bolt For Exhaust Riser Zinc Coated - Long Bolt For 3 Inch Riser RS0283
$0.50
ZINK COATED Riser Bolt for 3 Inch Riser PCM OEM - RS0283  Note: The RS0283 bolt is (NLA) no longer available per PCM and has...
Points Mallory (87 & Later) Spade Connector PCM OEM Brand R114004
Points Mallory (87 & Later) Spade Connector PCM OEM Brand R114004
$29.46
Points Mallory (87 & Later) Spade Connector PCM OEM Brand R114004
$29.46
Points Mallory 1987 and Up Breaker point set for 8 cylinder Mallory point type marine distributors with stack distributor cap. OEM - PCM R114004 OEM Crusader...
Tune Up Kit 305 | 350 | 454 Mallory Distributors 87 & Later OEM PCM RP173025A
Tune Up Kit 305 | 350 | 454 Mallory Distributors 87 & Later OEM PCM RP173025A
$100.39
Tune Up Kit 305 | 350 | 454 Mallory Distributors 87 & Later OEM PCM RP173025A
$100.39
Tune Up Kit for Mallory Distributors 1987 & Up ORIGINAL PCM RP173025A - Not Aftermarket  Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points...
Tune Up Kit 305-350-454-351 Mallory Distributors (86 & Prior) Original PCM Item # RP173025
Tune Up Kit 305-350-454-351 Mallory Distributors (86 & Prior) Original PCM Item # RP173025 Tune Up Kit 305-350-454-351 Mallory Distributors (86 & Prior) Original PCM Item # RP173025
$112.53
Tune Up Kit 305-350-454-351 Mallory Distributors (86 & Prior) Original PCM Item # RP173025
$112.53
Tune Up Kit for Mallory Distributors 1986 & Prior Years ORIGINAL PCM RP173025 - Not Aftermarket  Strap Type Connector For Points Includes Cap, Rotor, Points...
Condenser Prestolite Ford All Years Sierra 18-5347 Replaces PCM R115002
Condenser Prestolite Ford All Years Sierra 18-5347 Replaces PCM R115002
$8.95 $9.39
Condenser Prestolite Ford All Years Sierra 18-5347 Replaces PCM R115002
$8.95 $9.39
All years Ford Prestolite Condenser Sierra Brand 18-5347 Works with All Prestolite Clip Down OR Screw Down Caps Ignition condenser for Prestolite screw down or...
Tune Up Kit Kercruiser Thunderbolt Ignition Cap Rotor Gasket Kit
Tune Up Kit Kercruiser Thunderbolt Ignition Cap Rotor Gasket Kit Tune Up Kit Kercruiser Thunderbolt Ignition Cap Rotor Gasket Kit
$29.95 $33.75
Tune Up Kit Kercruiser Thunderbolt Ignition Cap Rotor Gasket Kit
$29.95 $33.75
Mercruiser Thunderbolt Ignitions - Cap, Rotor & Gasket Can be used to replace the newer style rotor without the metal base You will have to...
Ignition Module Kit Mallory 42-50-57-85-87-89-YLM Series Mallory MAA-609
Ignition Module Kit Mallory 42-50-57-85-87-89-YLM Series Mallory MAA-609 Ignition Module Kit Mallory 42-50-57-85-87-89-YLM Series Mallory MAA-609
$154.00 $168.11
Ignition Module Kit Mallory 42-50-57-85-87-89-YLM Series Mallory MAA-609
$154.00 $168.11
Mallory Ignition Module, Magnetic, Replacement, 42, 50, 57 Series Mallory Distributors PNX-MAA-609 Ignition module, Magnetic Replacement. 42, 50, 57, 82, 87, 89, YLM, Series Mallory...
Conversion Kit Pertronix Igniter II Prestolite Screw Down Cap PNX-91582
Conversion Kit Pertronix Igniter II Prestolite Screw Down Cap PNX-91582
$125.99 $136.39
Conversion Kit Pertronix Igniter II Prestolite Screw Down Cap PNX-91582
$125.99 $136.39
Pertronix "Ignitor II" Electronic Ignition Conversion Kit 91582 NO LONGER AVAILABLE - SORRY ABOUT THAT 1987 and up Prestolite screw down cap distributors - 2...
Spark Plug Set PCM - Indmar 8.1L - 6.0L Set Of 8 NGK-7862 Laser Platinum Replaces RP030009
Spark Plug Set PCM - Indmar 8.1L - 6.0L Set Of 8 NGK-7862 Laser Platinum Replaces RP030009
$109.75 $115.92
Spark Plug Set PCM - Indmar 8.1L - 6.0L Set Of 8 NGK-7862 Laser Platinum Replaces RP030009
$109.75 $115.92
NGK-7862 Laser Platinum 8.1L Spark Plug Set PZTR5A Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L 14mm thread size 18mm thread length Resistor Tapered seat...
Bushing Brass 1/4" X 1/8" Bushing For Oil Pressure Sender On Some Engines Original PCM Bushing
Bushing Brass 1/4" X 1/8" Bushing For Oil Pressure Sender On Some Engines Original PCM Bushing
$3.75
Bushing Brass 1/4" X 1/8" Bushing For Oil Pressure Sender On Some Engines Original PCM Bushing
$3.75
BRASS BUSHING 1/4" X 1/8" ORIGINAL PCM RS3676 Bushes the Oil Pressure Sender on some applications Others may screw directly into the adapter   WARNING-...
Wire Set Spark Plug Thunderbolt Ignition 8 MM Plug Set Blue UIW-102
Mercruiser 8mm Ignition Wire Set MEG-102 MEGA-MAG
$65.67 $92.67
Wire Set Spark Plug Thunderbolt Ignition 8 MM Plug Set Blue UIW-102
$65.67 $92.67
Mercruiser 8mm Ignition Wire Set MEG-102 MEGA-MAG  FOR GM MERC T-BOLT ELECTRONIC IGNITON PREMIUM SSC WIRE SET LIFETIME WARRANTY, BLUE Blue Premium SSC Wire Set...
Wire Set Spark Plug And Coil Set 454 Left Hand - 7MM PCM OEM RA121022 Replaces RA121020
Wire Set Spark Plug And Coil Set 454 Left Hand - 7MM PCM OEM RA121022 Replaces RA121020
$55.24
Wire Set Spark Plug And Coil Set 454 Left Hand - 7MM PCM OEM RA121022 Replaces RA121020
$55.24
Original Crusader 7mm ignition wire set with coil wire Fits Crusader marine engines with Prestolite & Mallory marine distributors RA121020 PART NUMBER HAS BEEN REPLACED...
Ignition Coil 6.0L - LY6 OEM R117014
Ignition Coil 6.0L - LY6 OEM R117014 Ignition Coil 6.0L - LY6 OEM R117014
$190.32
Ignition Coil 6.0L - LY6 OEM R117014
$190.32
Ignition Coil LY6 - 6.0L  R117014 OEM Round type GM Part# 12573190 PCM 2008 and up with Non Catanium Exhaust
Map Sensor (IAFM) Volvo OEM Volvo-3859020
Map Sensor (IAFM) Volvo OEM Volvo-3859020
$323.06 $371.00
Map Sensor (IAFM) Volvo OEM Volvo-3859020
$323.06 $371.00
OEM Map Sensor VOLVO-3859020 Combination sensor monitors both the intake temperature and the manifold absolute pressure Volvo Penta MAT & MAP Sensor Intake temperature and...
Crank Position Sensor Indmar For All 8.1L Engines - Indmar 55-1297
Crank Position Sensor Indmar For All 8.1L Engines - Indmar 55-1297
$125.00 $232.04
Crank Position Sensor Indmar For All 8.1L Engines - Indmar 55-1297
$125.00 $232.04
OEM Crank Position Sensor Indmar 8.1L All Years Indmar 551297 Fits ALL Indmar 8.0L Engines Sold each
Throttle Position Sensor -TPS Sierra Brand Sierra 18-7630
Throttle Position Sensor -TPS Sierra Brand Sierra 18-7630 Throttle Position Sensor -TPS Sierra Brand Sierra 18-7630
$69.60 $91.09
Throttle Position Sensor -TPS Sierra Brand Sierra 18-7630
$69.60 $91.09
Sierra Brand Throttle Position Sensor 18-7630 Replaces R020040 Replaces 55-6032 Throttle Body Injection (TBI) GM all 94 and up Will NOT work on Inmdar LT1 -...
Knock Sensor Flat Response GM PCM OEM Item R020052
Knock Sensor Flat Response GM PCM OEM Item R020052
$24.90
Knock Sensor Flat Response GM PCM OEM Item R020052
$24.90
Flat Response Knock Sensor PCM 2008 & up - GM 5.0L, 5.7L & 6.0L Some exceptions where the old style knock sensor was used on...
Voltage Regulator Ford - GM PCM Original Item R098002
Voltage Regulator Ford - GM PCM Original Item R098002
$122.48
Voltage Regulator Ford - GM PCM Original Item R098002
$122.48
Voltage Regulator for most PCM Engines through 1982 Prestolite 8-406 FACTORY ORIGINAL PCM If you prefer a more economical option, the ARCO is also available...
Alternator Kit 100 Amp Retro Fit 6.0L GM Engine RF097009C-6.0L
Alternator Kit 100 Amp Retro Fit 6.0L GM Engine RF097009C-6.0L
$370.07 $427.88
Alternator Kit 100 Amp Retro Fit 6.0L GM Engine RF097009C-6.0L
$370.07 $427.88
100 Amp Alternator Retrofit Kit 6.0L GM For 6.0L GM Engines THIS IS A SPECIAL ORDER ITEM. NON-RETURNABLE Retro fit kit, upgrade your 70 Amp GM...
Distributor Kit 350 - 454 Standard Pro-Tec Removal Kit Factory Original PCM# RK107039RR
Distributor Kit 350 - 454 Standard Pro-Tec Removal Kit Factory Original PCM# RK107039RR
$828.57
Distributor Kit 350 - 454 Standard Pro-Tec Removal Kit Factory Original PCM# RK107039RR
$828.57
To replace Pro-Tec coil pack ignitions of PCM GM 5.7L and 7.4L Big Block engines PCM Original RK107039R Works With Left or Right Hand Rotation...
Rotor Mallory Distributor Stack Cap V8 Rotor Original Factory PCM-Crusader # R103001
Rotor Mallory Distributor Stack Cap V8 Rotor Original Factory PCM-Crusader # R103001
$10.80
Rotor Mallory Distributor Stack Cap V8 Rotor Original Factory PCM-Crusader # R103001
$10.80
Rotor used on Mallory single point marine distributors Original OEM - PCM / Crusader R103001 OEM Crusader Mallory rotor For use with Mallory stack cap distributors...
Distributor Cap Mallory 209 D-Stack Cap Original Factory PCM # R108001
Distributor Cap Mallory 209 D-Stack Cap Original Factory PCM # R108001
$94.26
Distributor Cap Mallory 209 D-Stack Cap Original Factory PCM # R108001
$94.26
Original PCM Distributor Cap for Point type and Electronic distributors Mallory 209 D Stack Cap This cap now requires a gasket Item #RM0118 OEM Crusader distributor...
Fuse Link 125 AMP - 50 Inches PCM - Original Item R153020
Fuse Link 125 AMP - 50 Inches PCM - Original Item R153020
$59.17
Fuse Link 125 AMP - 50 Inches PCM - Original Item R153020
$59.17
FUSE LINK 125A 50 INCHES Fuse Link for circuit breaker to starter 125 amp fused wire For PCM Engines from 2002 & up
Accessory Plug and Socket - 12V Blue Sea Systems
Accessory Plug and Socket - 12V Blue Sea Systems
$24.85 $30.26
Accessory Plug and Socket - 12V Blue Sea Systems
$24.85 $30.26
12V Accessory Plug and Socket Set by Blue Sea Systems Blue Sea 12 Volt Plug and Socket Set 12 Volt Plug and Socket Set Plug...
Relay - 12V Excaliber MPI - Pro Sport Sierra Brand 18-5850
Relay - 12V Excaliber MPI - Pro Sport Sierra Brand 18-5850
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Relay - 12V Excaliber MPI - Pro Sport Sierra Brand 18-5850
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Relay Sierra Brand Fuel pump, Ignition & Starter Relay Shrouded Relay Replaces Crusader R130011A Replaces Mercruiser 882751A04 Replaces Marine Power 460004 Replaces Mallory 9-15213
Relay - 12V Excaliber MPI - Pro Sport PCM Original R130011A
Relay - 12V Excaliber MPI - Pro Sport PCM Original R130011A Relay - 12V Excaliber MPI - Pro Sport PCM Original R130011A
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Relay - 12V Excaliber MPI - Pro Sport PCM Original R130011A
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Excalibur and Pro Sport Crusader - PCM Original Fuel pump, Ignition & Starter Relay Note: Serial Numbers 440612 and up through 2006 Original Crusader Part R130011A...
Circuit Breaker 15 Amp Push Button 2138
Circuit Breaker 15 Amp Push Button 2138
$60.80 $65.06
Circuit Breaker 15 Amp Push Button 2138
$60.80 $65.06
15 Amp Medium Duty Push Button Circuit Breaker Note: Used on the PCM GT40 Engines along with the 60 Amp & the 15 Amp. Reset-only 15A circuit breaker is ideal...
Items 1473 to 1504 of 1513 total