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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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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
24%
$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....
Muffler Mastercraft Angled 3-1/2" 60° Inlet 3-1/2 " Straight Outlet 38" Long 250016
MUFFLER MASTERCRAFT ANGLED 3-1/2" 60° INLET 3-1/2 " STRAIGHT OUTLET 38" LONG 250016
25%
$315.83 $423.17
Muffler Mastercraft Angled 3-1/2" 60° Inlet 3-1/2 " Straight Outlet 38" Long 250016
$315.83 $423.17
Mastercraft Muffler Part# 250016 60 Degree Angled 3-1/2" Inlet With 3-1/2" Straight Outlet 3-1/2" Angled 60 Degree Inlet 3-1/2" Straight Outlet 38 Inches long - approximately Manufactured...
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
29%
$0.20 $0.28
Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179
$0.20 $0.28
PCM Riser Bolt Lock Washers for all small blocks Lockwasher, manifold to cylinder head attaching PCM Ford & GM 5.0 & 5.7, & 6.0 L (non-CES...
Points Mallory 5.0L - 5.7L - 7.4L - 2.6 Replaces PCM R114001 and R114004 Sierra 18-5314
Points Mallory 5.0L - 5.7L - 7.4L - 2.6 Replaces PCM R114001 and R114004 Sierra 18-5314
7%
$13.89 $14.99
Points Mallory 5.0L - 5.7L - 7.4L - 2.6 Replaces PCM R114001 and R114004 Sierra 18-5314
$13.89 $14.99
Points Sierra Brand Replaces PCM R114001 and PCM R114004 Points All 5.0 - 5.7 - 7.4 - 2.6 Contact set used in Mallory tall or stack...
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
30%
$53.14 $75.99
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
$53.14 $75.99
Tune Up Kit for Mallory Distributors 1986 & Prior Sierra Brand Sierra Brand 18-5271 Replaces PCM RP173025 Strap Type Connector For Points AV distributors set timing 5...
Condenser Prestolite Ford All Years PCM R115002
Condenser Prestolite Ford All Years PCM R115002 Condenser Prestolite Ford All Years PCM R115002
9%
$11.50 $12.64
Condenser Prestolite Ford All Years PCM R115002
$11.50 $12.64
All years Ford Prestolite Condenser  OEM PCM R115002 Works with All Prestolite Clip Down OR Screw Down Caps New condenser ready to install! WARNING- This...
Ignition Module Kit Mallory 6100M Mallory MAA-6100M
Ignition Module Kit Mallory 6100M Mallory MAA-6100M
14%
$95.00 $109.99
Ignition Module Kit Mallory 6100M Mallory MAA-6100M
$95.00 $109.99
Mallory Ignition Module Malory Ignition Module, E-Spark, 37, 38, 45, 46, 47, 83, 86, 91, 93 Series Mallory Distributors MAA-6100M Replacement Ignition Module for Mallory...
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...
Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589 Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
8%
$246.05 $268.15
Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
$246.05 $268.15
IGNITION KIT PERTRONIX IGNITOR II PXN-91589 Use For: Prestolite Distributors with original equipment Electronic Conversion Module Pertronix - PNX-91589 Pertronix OEM Part 91589 Pertronix recommends...
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009 Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009
12%
$99.00 $112.88
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009
$99.00 $112.88
AC Delco Brand  AC41-983 8.1L Spark Plug Set MPI Indmar & PCM ACD-41-983 Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L  Replaces Crusader...
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009 Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
13%
$90.59 $103.68
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
$90.59 $103.68
NGK-7164 Iridium 8.1L Spark Plug Set TR55IX Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L Premium NGK spark plugs are known for their reliable performance and...
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
44%
$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
4%
$27.00 $28.01
Starter Mounting Bolt Kit ARCO-MBK450 Size 4-3/8
$27.00 $28.01
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 Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008
Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008
13%
$260.60 $298.37
Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008
$260.60 $298.37
ARCO Quality Marine Starter for GM RIGHT Hand Rotation "Opposite Rotation" Engines New inboard 12 volt starter For non-automotive, right hand rotation engines High-performance large housing Fits...
Fuse Holder In-Dash Panel Mount Sierra FS45430
Fuse Holder In-Dash Panel Mount Sierra FS45430 Fuse Holder In-Dash Panel Mount Sierra FS45430
48%
$4.95 $9.49
Fuse Holder In-Dash Panel Mount Sierra FS45430
$4.95 $9.49
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...
Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049
Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049
9%
$78.41 $86.36
Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049
$78.41 $86.36
OEM Oil Pressure Sending Digital PCM 2007 & up R020049 For PCM 2007& Up that has 3 wire snap in connector 2007 PCM 5.7L Serial Numbers: 480001 &...
Wire Set Spark Plug And Coil PCM - 6.0L - Catalyst Engines Original PCM RK120021B
Wire Set Spark Plug And Coil PCM - 6.0L - Catalyst Engines Original PCM RK120021B Wire Set Spark Plug And Coil PCM - 6.0L - Catalyst Engines Original PCM RK120021B
5%
$79.53 $83.75
Wire Set Spark Plug And Coil PCM - 6.0L - Catalyst Engines Original PCM RK120021B
$79.53 $83.75
OEM PCM Spark Plug Wire Set For 6.0L - Catalyst Engines PCM OEM PART RK120021B for CAT Engines 6.0L Catalyst Spark Plug Wire Set Fits PCM...
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
10%
$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
Crank Position Sensor Indmar 5.7L 350 Indmar 55-6293
Crank Position Sensor Indmar 5.7L 350 Indmar 55-6293
15%
$204.00 $239.22
Crank Position Sensor Indmar 5.7L 350 Indmar 55-6293
$204.00 $239.22
OEM Crank Position Sensor Indmar 5.7L 350 556293 This was used on boats with HVS ignition system 2006 and newer Monsoon - Hammerhead engines Replaces...
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
29%
$46.95 $65.82
Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
$46.95 $65.82
OEM Crusader engine temperature switch for PROTEC Water Temperature Switch – 3/8 inch NPT – PCM EEMS Pro Tec Ignition to 1995 PCM EEMS Pro...
Map Sensor - GM And LT1 TBI OEM
Map Sensor - GM And LT1 TBI OEM Map Sensor - GM And LT1 TBI OEM
6%
$125.00 $132.54
Map Sensor - GM And LT1 TBI OEM
$125.00 $132.54
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
18%
$216.53 $262.81
Idle Air Controller For TBI And LT1 OEM
$216.53 $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
10%
$443.00 $493.85
Alternator Kit 100 Amp Retro Fit 5.7L Engine RF097009B
$443.00 $493.85
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...
Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281
Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281
24%
$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...
Distributor Mallory All GM Electronic Left Hand Engines PCM# RA107039M -18-5494-2
Distributor Mallory All GM Electronic Left Hand Engines PCM# RA107039M -18-5494-2 Distributor Mallory All GM Electronic Left Hand Engines PCM# RA107039M -18-5494-2
21%
$625.00 $788.99
Distributor Mallory All GM Electronic Left Hand Engines PCM# RA107039M -18-5494-2
$625.00 $788.99
All GM 305, 350, 454, left hand rotation engines. Also works on older, right hand GM engines, around 1994 and prior, that use Left Hand gears...
ETA Breaker Switch 20 AMP Thermal - Ignition - Main
ETA Breaker Switch 20 AMP Thermal - Ignition - Main ETA Breaker Switch 20 AMP Thermal - Ignition - Main
30%
$30.00 $42.95
ETA Breaker Switch 20 AMP Thermal - Ignition - Main
$30.00 $42.95
ETA BREAKER - SWITCH 20 AMP - 2-5700-IG1-P10-DD-20A Correct Craft & Supra Dashes Push-On Spade Terminal Connector Combination Switch & Breaker Combination switch/circuit breakerUsed on dash of...
ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory
ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory
25%
$35.00 $46.95
ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory
$35.00 $46.95
ETA BREAKER - SWITCH 10 AMP Correct Craft & Supra Dashes Push-On Spade Terminal Connector Combination Switch & Breaker Combination switch/circuit breakerUsed on dash of Correct...
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
20%
$195.80 $244.66
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
$195.80 $244.66
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
11%
$395.00 $445.40
Alternator 100 Amp PCM Marine 5.7L - 6.0L With 6 Groove Pulley OEM RA097009A
$395.00 $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...
Alternator 70 Amp 5.7L DELCO-BOSCH-6.0L Factory Original PCM And Indmar RA097007C
Alternator 70 Amp 5.7L DELCO-BOSCH-6.0L Factory Original PCM And Indmar RA097007C
17%
$308.00 $370.00
Alternator 70 Amp 5.7L DELCO-BOSCH-6.0L Factory Original PCM And Indmar RA097007C
$308.00 $370.00
New 70 Amp Delco Style Marine Alternator With Serpentine Belt Pulley Fits 2004 & Prior PCM - Most PCM 2005 and up had a 100...
Thermostat Kit Mercruiser 160 Degree EFI Complete Service Kit 18-3648
Thermostat Kit Mercruiser 160 Degree EFI Complete Service Kit 18-3648
18%
$27.00 $32.99
Thermostat Kit Mercruiser 160 Degree EFI Complete Service Kit 18-3648
$27.00 $32.99
160 Degree Thermostat Kit EFI Includes BOTH Gaskets Mercruiser raw water cooled marine engines New Style housing used with EFI engines 1994 and up EFI and...
Housing Thermostat Housing Complete GM Indmar OEM CHV-29-80
Housing Thermostat Housing Complete GM Indmar OEM CHV-29-80
8%
$179.00 $193.91
Housing Thermostat Housing Complete GM Indmar OEM CHV-29-80
$179.00 $193.91
Thermostat Housing GM Indmar CHV-29-80 OEM Thermostat Housing for V6 and Short Block V8 Chevrolet,CHV-29-80 Fits GM V8 small block engines Complete thermostat housing assembly...
Items 769 to 800 of 1452 total