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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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Ignition Module Delco EST Replaces PCM R116014 Sierra® 18-5107-1
Ignition Module Delco EST Replaces PCM R116014 Sierra® 18-5107-1 Ignition Module Delco EST Replaces PCM R116014 Sierra® 18-5107-1
$142.00 $174.89
Ignition Module Delco EST Replaces PCM R116014 Sierra® 18-5107-1
$142.00 $174.89
Sierra Brand Ignition Module for Delco EST Distributor Delco Ignition Module Sierra ignition module For Delco EST 4, 6, and 8 cylinder distributors Replaces Mercury...
ETA Breaker Switch 20 AMP Thermal - Ignition - Main
ETA Breaker Switch 20 AMP Thermal - Ignition - Main ETA Breaker Switch 20 AMP Thermal - Ignition - Main
$37.00 $44.99
ETA Breaker Switch 20 AMP Thermal - Ignition - Main
$37.00 $44.99
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...
Thermostat 160 Degree Indmar-Raw Water Cooled Factory Sierra Brand 18-43017
Thermostat 160 Degree Indmar-Raw Water Cooled Factory Sierra Brand 18-43017
$27.80 $31.09
Thermostat 160 Degree Indmar-Raw Water Cooled Factory Sierra Brand 18-43017
$27.80 $31.09
SIERRA BRAND 160 DEGREE THERMOSTAT RAW WATER COOLED Replaces Inmdar 98-5009 160 DEGREE RAW WATER T-STAT PCM & Indmar Ford - Indmar GM - 1998 & up...
Belt PCM Alternator V-Belt GM 5.7 - 5.0 Years 2000-2003 Only R066008
Belt PCM Alternator V-Belt GM 5.7 - 5.0 Years 2000-2003 Only R066008 Belt PCM Alternator V-Belt GM 5.7 - 5.0 Years 2000-2003 Only R066008
$14.25
Belt PCM Alternator V-Belt GM 5.7 - 5.0 Years 2000-2003 Only R066008
$14.25
PCM  GM Alternator V-Belt  Also used for the Ford Raw Water Pump Belt (sold in Ford belt set) PCM Alternator V-Belt Fits early 5.7 Excalibur...
Anode Zinc 1/4" NPT Pencil Style Martyr
Anode Zinc 1/4" NPT Pencil Style Martyr
$12.18 $12.19
Anode Zinc 1/4" NPT Pencil Style Martyr
$12.18 $12.19
Replaces Crusader R168005 Pencil Anode Martyr 1/4" NPT Zinc Pencil Anode 1 3/4" Length 1/4" NPT Threads: 5/16-18 UNC Replaces Crusader 10335 Replaces Chrysler 3527906 Replaces...
Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Original PCM Item # RP173024
Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Original PCM Item # RP173024 Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Original PCM Item # RP173024
$88.24
Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Original PCM Item # RP173024
$88.24
1986 & PRIOR V8 CLIP DOWN CAP ORIGINAL PCM Not Aftermarket Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points and Condenser. CLIP DOWN TYPE CAPClips...
Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-1
Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-1 Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-1
$47.00 $56.18
Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-1
$47.00 $56.18
Comes WITH all gaskets and O-Ring! Standing width is 1-1/4 inches wide Impeller for 302 Pump OEM JOH09-1027B-1 Replaces Jabsco 1210-0001 Replaces Volvo 21951346 Fits...
O-Ring Sherwood Raw Water Pumps OEM R047111 PCM Original
O-Ring Sherwood Raw Water Pumps OEM R047111 PCM Original
$7.73
O-Ring Sherwood Raw Water Pumps OEM R047111 PCM Original
$7.73
This is an original OEM PCM O-Ring FOR SHERWOOD RAW WATER PUMP - Not the Seawater Strainer. For the Seawater Strainer O-Ring is ITEM 11805 CLICK...
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
$274.00 $349.22
Repair Kit Major Raw Water Pumps For Sherwood G-21 - J-70 And More Pump
$274.00 $349.22
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 Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
Thermostat Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
$43.32 $48.29
Thermostat Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
$43.32 $48.29
Sierra 142 Degree Thermostat KIT Original Equipment Mercury( Old Style ) Fits various Mercruiser V6, V8 small block and V8 big block raw water engines...
5/8 Inch ID Fuel Feed Hose Fuel Fill | Vent Hose Type A1 5/8 Inch Inside Diameter MPI 350-0580
Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 350-0580 Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 350-0580
$3.95 $6.00
5/8 Inch ID Fuel Feed Hose Fuel Fill | Vent Hose Type A1 5/8 Inch Inside Diameter MPI 350-0580
$3.95 $6.00
Fuel Feed/Fill Hose - 5/8" I.D. MPI Brand - 350 Sieres Note: The 350 Series Hose is thicker than the 315 Sierres Sold per foot...
Hose 90 Degree Formed 1" Hose OEM Indmar 84-1023
Hose 90 Degree Formed 1" Hose OEM Indmar 84-1023
$24.97 $26.89
Hose 90 Degree Formed 1" Hose OEM Indmar 84-1023
$24.97 $26.89
Indmar formed hose from the EXTCAT Manifold elbow to the thermostat housing. OEM INDMAR 84-1023 1" ID Hose 90 Degree Elbow Connect from Thermostat Housing...
Knock Sensor Kit For 5.7 | 8.1 Chevy Engines With Dual Sensors OEM Indmar 49-5039B
Knock Sensor Kit For 5.7 | 8.1 Chevy Engines With Dual Sensors OEM Indmar 49-5039B
$149.40 $160.89
Knock Sensor Kit For 5.7 | 8.1 Chevy Engines With Dual Sensors OEM Indmar 49-5039B
$149.40 $160.89
KNOCK SENSOR KIT FOR 5.7, 8.1 CHEVROLET ENGINES WITH DUAL SENSORS OEM INDMAR 495039B
Distributor GM Delco Electronic 5.7L - 5.0L IAFM HVS OEM Indmar Brand 55-6364
Distributor GM Delco Electronic 5.7L - 5.0L IAFM HVS OEM Indmar Brand 55-6364 Distributor GM Delco Electronic 5.7L - 5.0L IAFM HVS OEM Indmar Brand 55-6364
$513.02
Distributor GM Delco Electronic 5.7L - 5.0L IAFM HVS OEM Indmar Brand 55-6364
$513.02
OEM Indmar HVS distributor complete with cam sensor, rotor and two screw flat cap. Distributor HVS With Hardened Gear Indmar 55-6364 Replaces Indmar 556344 Replaces...
Throttle Position Sensor For TBI Original Indmar 55-6082
Throttle Position Sensor For TBI Original Indmar 55-6082 Throttle Position Sensor For TBI Original Indmar 55-6082
$84.24 $90.72
Throttle Position Sensor For TBI Original Indmar 55-6082
$84.24 $90.72
Original Indmar Throttle Position Sensor 55-6082 Replaces PCM R020040 Throttle Body Injection (TBI) GM. Fits all 1994 and up. Fits all LT1 Corvette and some...
Isolator Front Mount PCM OEM R094007
Isolator Front Mount PCM OEM R094007
$23.48
Isolator Front Mount PCM OEM R094007
$23.48
Front Mount Isolator PCM Height 2" Larger End 2-1/2" O.D. Smaller End 1-5/8" O.D. Hole Bore 5/8" 30 to 40 pounds torque on front and...
OMC 21 Micron Fuel Water Separator Filter
OMC 21 Micron Fuel Water Separator Filter
$15.95 $16.89
OMC 21 Micron Fuel Water Separator Filter
$15.95 $16.89
Replacement spin-on fuel filter with OMC threads removes contaminants & water from incoming fuel. OMC thread fuel filter Protects marine engines by filtering water, dust,...
5/16 Inch ID Fuel Feed | Fill Vent Hose Low Permeation 5/16 Inch Inside Diameter Sierra® Shield's 116-368-0566
Hose Fuel Feed 3/8 Inch I.D Low Permeation Shield's Brand - 116-368-0386
$2.87
5/16 Inch ID Fuel Feed | Fill Vent Hose Low Permeation 5/16 Inch Inside Diameter Sierra® Shield's 116-368-0566
$2.87
Fuel Feed Hose - 5/16" I.D. Shield's Brand Low Permeation Sold per foot - Price is per foot Note - Quantity is total length ordered...
Neoprene Exhaust Tip 4 Inch Gasket Corsa® Performance 10197
Neoprene Exhaust Tip Gasket Corsa® Performance 10197
$12.00 $14.48
Neoprene Exhaust Tip 4 Inch Gasket Corsa® Performance 10197
$12.00 $14.48
The gasket is made to seal between Corsa 4 in. exhaust tip & the boat's transom. Thru hull exhaust tip gasket For 4 inch exhaust...
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start Brass Sierra®
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start Brass Sierra® Switch Ignition Key Switch 3 Position Terminal Off-Run-Start Brass Sierra®
$49.45 $55.49
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start Brass Sierra®
$49.45 $55.49
Conventional Off, Run & Start 7/8" Mounting Hole Sierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch has...
Trunnion Bar OEM Indmar 53-1196Q
Trunnion Bar OEM Indmar 53-1196Q Trunnion Bar OEM Indmar 53-1196Q
$17.86 $19.24
Trunnion Bar OEM Indmar 53-1196Q
$17.86 $19.24
TRUNNION BAR WITH 7/8-14 THREADED HOLE USED ON ENGINES WITH CAST STRINGER PAD. This is the replacement for part 535021Q OEM Indmar  Trunnion Mount Replaces...
Aluminum Anti-Siphon Valve 1/4" NPT Thread X 3/8' I.D. Hose Barb Moeller Marine MO-033801-10
Aluminum Anti-Siphon Valve 1/4" NPT Thread X 3/8' I.D. Hose BarbAluminum Anti-Siphon Valve 1/4" NPT Thread X 3/8' I.D. Hose Barb Moeller
$15.00 $19.39
Aluminum Anti-Siphon Valve 1/4" NPT Thread X 3/8' I.D. Hose Barb Moeller Marine MO-033801-10
$15.00 $19.39
Aluminum Anti-Siphon Valve 1/4" NPT Thread X 3/8' I.D. Hose Barb Moeller Marine MO-033801-10 Coast Guard industry standards require anti-siphon protection on all gasoline powered...
Primary Fuel Bowl Holley Carbs OEM RN0052
Primary Fuel Bowl Holley Carbs OEM RN0052 Primary Fuel Bowl Holley Carbs OEM RN0052
Sold Out
Primary Fuel Bowl Holley Carbs OEM RN0052
Sold Out
No Longer Available Per Holley and we don't have any subs. Sorry about that. Holley Primary Fuel Bowl Replacement bowl for the primary side of...
FCC Pass Through Retro Fit Kit OEM RF121085
FCC Pass Through Retro Fit Kit OEM RF121085
$52.47
FCC Pass Through Retro Fit Kit OEM RF121085
$52.47
FCC Pass Through Retro Fit Kit OEM RF121085 Internal FCC Harness Replacement electrical connector for Fuel Control Cell high-pressure pump. You will have to re-use your...
Relay - Fuel Relay 12V 4RD - GT 40 Fuel Pump and ECM - OEM R130011
Relay - Fuel Relay 12V 4RD - GT 40 Fuel Pump and ECM - OEM R130011
$20.08
Relay - Fuel Relay 12V 4RD - GT 40 Fuel Pump and ECM - OEM R130011
$20.08
Relay - Fuel Relay 12V 4RD -  OEM R130011 - PCM Original Hella GT40 PCM EFI, Fuel Pump and ECM
Mount Front Assembly Complete PCM Ford And GM - OEM RC091001
PCM Ford Front ALL PCM Ford Engines
$127.22
Mount Front Assembly Complete PCM Ford And GM - OEM RC091001
$127.22
PCM Ford Front ALL PCM Ford Engines Stud size - PCM did both 5/8" and 3/4"  Current is 3/4" The bottom of the stud (goes...
Conversion Kit Pertronix Ignitor II Clip or Screw Down Caps IG-1581LS
Conversion Kit Pertronix Ignitor II Clip or Screw Down Caps IG-1581LS
$199.05 $249.65
Conversion Kit Pertronix Ignitor II Clip or Screw Down Caps IG-1581LS
$199.05 $249.65
PerTronix "Ignitor II" Electronic Ignition conversion kit for EITHER the Prestolite clip/screw down caps. Fits both screw down and clip down caps!  Does NOT need...
Relocator Indmar Oil Filter Relocator 13/16 Original Indmar 531091E No Longer Available
Relocator Indmar Oil Filter Relocator 13/16 Original Indmar 531091E
Sold Out
Relocator Indmar Oil Filter Relocator 13/16 Original Indmar 531091E No Longer Available
Sold Out
NO LONGER AVAILABLE FROM INDMAR - VERY SORRY! ORIGINAL INDMAR OIL FILTER RELOCATOR 13/16 GM  Oil filter relocator 13/16.  Used on 5.7 Liter and 8.1...
Mount Assembly Indmar Left Side Hurth Transmission Mount Assembly Complete OEM Indmar 53-5015L
MOUNT ASSEMBLY INDMAR <b>LEFT SIDE</b> TRANSMISSION MOUNT ASSEMBLY COMPLETE OEM 53-1015L
$202.77 $218.37
Mount Assembly Indmar Left Side Hurth Transmission Mount Assembly Complete OEM Indmar 53-5015L
$202.77 $218.37
OEM Indmar transmission mount - Complete LEFT SIDE Complete left side transmission mount (1.5 and V-D) Original Indmar 53-5015L HURTH 630 V TRANSMISSION MOUNT W/BRACKET...
Starter GM Top Mount Left Hand Rotation Counter Clockwise 3 Mounting Holes OEM PCM RA122009B
Starter GM Top Mount Left Hand Rotation Counter Clockwise OEM PCM RA122009B Starter GM Top Mount Left Hand Rotation Counter Clockwise OEM PCM RA122009B
$287.10
Starter GM Top Mount Left Hand Rotation Counter Clockwise 3 Mounting Holes OEM PCM RA122009B
$287.10
ORIGINAL PCM CRUSADER STARTER RA122009B Note the RA122009 and the RA122009A are no longer availabile - This item is the replacement. Top mounted rear entry...
1-3/4 Inch ID Water Hose No Wire Soft Wall 1-3/4" Inside Diameter X 4 Foot Stick - OEM R045005
HOSE WATER HOSE SOFTWALL NO WIRE 1-3/4" I.D. X 4 FEET OEM PCM BRAND R045005
$62.28
1-3/4 Inch ID Water Hose No Wire Soft Wall 1-3/4" Inside Diameter X 4 Foot Stick - OEM R045005
$62.28
Water Hose Soft Wall No Wire 1- 3/4" Inch Inside Diameter FOUR (4') FOOT STICK NOTE: PCM has been shipping MPI Hose or Shield's Hose when...
SWITCH WATER TEMP SENSOR– 3/8 INCH NPT – INDMAR BRAND 64-5003
SWITCH WATER TEMP SENSOR– 3/8 INCH NPT – INDMAR BRAND 64-5003
$40.26 $43.36
SWITCH WATER TEMP SENSOR– 3/8 INCH NPT – INDMAR BRAND 64-5003
$40.26 $43.36
OEM Indmar Water Temperature Switch Water Temperature Switch – 3/8 inch NPT –  Indmar engines water temperature sensor Product Specs:Brass sensor (Marine) to help avoid corrosion...
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