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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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Mount Assembly Rear Mount Trunnion Assembly PCM Velvet Drive OEM RA091003
Mount Assembly Rear Mount Trunnion Assembly PCM Velvet Drive OEM RA091003
$167.52
Mount Assembly Rear Mount Trunnion Assembly PCM Velvet Drive OEM RA091003
$167.52
Rear Mount/Trunnion Assembly PCM Velvet Drive For all Velvet Drives 1:1 & 1.52:1 PCM 1:1 transmissions PCM Ford & GM engines
Manifold Exhaust Indmar Raw Water Cooled Port Side Gen 3 Indmar 531296 OEM Indmar
GEN 3 - RAW WATER COOLED - NON CATALYZED 1 PIECE EXHAUST MANIFOLD "L" SERIES CHEVROLET ENGINES PORT SIDE FOR SALT WATER SERIES.
$2,440.00
Manifold Exhaust Indmar Raw Water Cooled Port Side Gen 3 Indmar 531296 OEM Indmar
$2,440.00
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD RAW WATER COOLED - NOT FRESH WATER COOLED! CLICK HERE For FRESH Water Cooled part number 531296FW GEN 3 -...
Impeller Pump Repair Kit OEM Quicksilver® QS-47-8M0137219
Impeller Pump Repair Kit Quicksilver Brand QS-47-8M0137219
$47.49 $55.49
Impeller Pump Repair Kit OEM Quicksilver® QS-47-8M0137219
$47.49 $55.49
OEM Mercruiser impeller service kit QS-47-8M0137219 Kit includes shorter heavy duty impeller, o-ring & overmolded inner front wear plate For use when front of seawater...
Switch Ignition 3 Position Magneto Marine Incl. Mercury Push To Choke
Switch Ignition 3 Position Magneto Marine Incl. Mercury Push To Choke
$31.10 $40.09
Switch Ignition 3 Position Magneto Marine Incl. Mercury Push To Choke
$31.10 $40.09
Push to choke ignition switch with Off - Run - Start positions & 6 color coded wires is designed for Mercury control box applications. Sierra...
Gasket Mono Valve Indmar 4 Bolt Gasket For Indmar Mono Valve OEM 76-5004
GASKET MONO VALVE INDMAR 4 BOLT GASKET FOR INDMAR MONO VALVE OEM
$2.91 $3.14
Gasket Mono Valve Indmar 4 Bolt Gasket For Indmar Mono Valve OEM 76-5004
$2.91 $3.14
MONO VALVE GASKET FOR INDMAR MONO VALVE Fits Indmar Monovalve SKU# 55-1391P Original Indmar
Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001
Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001 Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001
$60.42
Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001
$60.42
Crusader R119001 Ballast Resistor - OEM CRUSADER - PCM Ballast Resistor Genuine Crusader Replaces Chrysler 4106140 Replaces Pleasurecraft Marine R119001 Replaces Prestolite 32-20 Replaces Crusader...
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$218.90 $273.90
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$218.90 $273.90
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
Grommet PCV 305 - 350 GM PCM R094015
Grommet PCV 305 - 350 GM PCM R094015
$3.90
Grommet PCV 305 - 350 GM PCM R094015
$3.90
Grommet - PCV Valve for GM 305 & 350 Replaces Crusader 20598 and 7120140
Dipstick PCM Ford 1986 And Up 8-14° PCM R041032A
Dipstick PCM Ford 1986 And Up 8-14° PCM R041032A
$6.52
Dipstick PCM Ford 1986 And Up 8-14° PCM R041032A
$6.52
DIPSTICK PCM FORD 1986 AND UP Original PCM R041032A This is the dipstick tube that threads into the side of the pan on a Ford 351 Approximately...
Oil Pan GM 350 - 305 1986 & Up 5.7L - 5.0L GM PCM OEM R005011
Oil Pan GM 350 - 305 1986 & Up 5.7L - 5.0L GM PCM OEM R005011 Oil Pan GM 350 - 305 1986 & Up 5.7L - 5.0L GM PCM OEM R005011
Sold Out
Oil Pan GM 350 - 305 1986 & Up 5.7L - 5.0L GM PCM OEM R005011
Sold Out
OIL PAN GM 350 - 305 1986 & UP ORIGINAL PCM R005011 1986 AND UP 5.7, 5.0 GM NOTE: These pans are on a LONG Backorder....
Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs
Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs
$89.95 $129.99
Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs
$89.95 $129.99
DRAIN EZ FOR ENGINE BLOCK REPLACES INDMAR OR PCM 1/4" PIPE PLUGS Excellent way to upgrade the way you drain you engine and winterize! Block...
Gasket Exhaust Riser To Manifold PCM 454 & All GM Big Blocks RM0099
Gasket Exhaust Riser To Manifold PCM 454 & All GM Big Blocks RM0099
$51.68
Gasket Exhaust Riser To Manifold PCM 454 & All GM Big Blocks RM0099
$51.68
GASKET EXHAUST RISER TO MANIFOLD PCM ALL BIG BLOCKS 454, 460, 502, 8.1 RM0099 Sold Each The blocked water passage goes towards the exhaust outlet.The...
2009-2011 Muffler Mastercraft - 4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
2009-2011 Muffler Mastercraft - 4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050 2009-2011 Muffler Mastercraft - 4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
$521.64 $873.28
2009-2011 Muffler Mastercraft - 4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
$521.64 $873.28
MUFFLER MASTERCRAFT 2009 - 2011 4" Inlet with 60° angle 3.5" Outlet with 80° angle Vertical 8.1 Liter 235/245/255/XS OEM 252050 MUFFLER-4 > 3.5 FG...
Exhaust Hardware Ford 302 & 351 Does One Side
Exhaust Hardware Ford 302 & 351 1 Side Exhaust Hardware Ford 302 & 351 1 Side
$85.00 $105.99
Exhaust Hardware Ford 302 & 351 Does One Side
$85.00 $105.99
OEM Pleasurecraft Marine complete engine set for ONE side of engine. Either side. Includes bolts for 3" & 3-1/2" riser for one side of engine. Includes...
Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS
Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS
$37.60 $41.60
Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS
$37.60 $41.60
NGK - 4323 Spark Plug Set BR6FS Includes 8 Plugs NGK-BR6FS Direct Cross To MR43T 260 - 270 HP Non Vortec - 454 Standard Fits...
Knock Sensor Flat Response Indmar OEM Item 55-1392
Knock Sensor Flat Response Indmar OEM Item 55-1392
$55.91 $60.21
Knock Sensor Flat Response Indmar OEM Item 55-1392
$55.91 $60.21
Indmar Flat Response Knock Sensor  Indmar OEM 2006 & Up Requires 2 Each - One per side of engine Sensor Only - For the Bolt Assembly,...
Throttle Position Sensor TPS GM Indmar OEM 55-6103 SEE REPLACEMENT IN DESCRIPTION
Throttle Position Sensor TPS GM Indmar OEM 55-6103 SEE REPLACEMENT IN DESCRIPTION Throttle Position Sensor TPS GM Indmar OEM 55-6103 SEE REPLACEMENT IN DESCRIPTION
Sold Out
Throttle Position Sensor TPS GM Indmar OEM 55-6103 SEE REPLACEMENT IN DESCRIPTION
Sold Out
NO LONGER AVAILABLE - CLICK HERE FOR THE REPLACEMENT. Throttle Position Sensor, TPS - INDMAR OEM 55-6103 FITS INDMAR AND PCM  Not for 06 up...
Voltage Regulator Ford - GM PCM Arco Brand VR406 - NLA - See Description For Replacement
VOLTAGE REGULATOR FORD - GM PCM ARCO BRAND VR406 VOLTAGE REGULATOR FORD - GM PCM ARCO BRAND VR406
$46.96 $51.20
Voltage Regulator Ford - GM PCM Arco Brand VR406 - NLA - See Description For Replacement
$46.96 $51.20
THIS PART IS NO LONGER AVAILABLE - WE HAVE THE R098002 - CLICK HERE Voltage Regulator for most PCM Engines through 1982   Prestolite ARCO...
Relay - Solenoid Marine Starter Mercruiser 89-76416A1
Relay - Solenoid Marine Starter Mercruiser Original 89-76416A1
$48.49 $50.09
Relay - Solenoid Marine Starter Mercruiser 89-76416A1
$48.49 $50.09
MARINE STARTER RELAY - SOLENOID Replaces Indmar 75-5005 Replaces Mercruiser/Mercury 89-76416A1 Replaces OMC/Johnson/Evinrude 586842,586842, 586730, 985064, 982189, 980801, 981703, 3853839 Replaces PCM R130001 Replaces Volvo Penta 3853839...
Alternator 70 Amp DELCO V-Belt Pulley PCM | Indmar 57-5010 JN-400-12298
Alternator 70 Amp DELCO V-Belt Pulley PCM | Indmar 57-5010 JN-400-12298 Alternator 70 Amp DELCO V-Belt Pulley PCM | Indmar 57-5010 JN-400-12298
$352.44 $402.08
Alternator 70 Amp DELCO V-Belt Pulley PCM | Indmar 57-5010 JN-400-12298
$352.44 $402.08
Indmar & PCM Delco Style 70 Amp Alternator With a V-Belt Pulley Indmar and GM marine engine applications J&N Electric 400-12298 If you need alternator...
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...
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...
Formed Silicone Exhaust Hose Elbow 4" Indmar OEM 84-5066
Formed Silicone Exhaust Hose Elbow 4" Indmar OEM 84-5066 Formed Silicone Exhaust Hose Elbow 4" Indmar OEM 84-5066
$204.00 $224.64
Formed Silicone Exhaust Hose Elbow 4" Indmar OEM 84-5066
$204.00 $224.64
Exhaust Elbow for Ford 6.2L Raptor engine.  Elbow is made of silicone. 4" Inside Diamter both ends Genuine Indmar Parts deliver optimal performance, efficiency, and...
Fuel Line Returnless OEM Indmar 78-6146
Fuel Line Returnless OEM Indmar 78-6146 Fuel Line Returnless OEM Indmar 78-6146
$108.46 $116.80
Fuel Line Returnless OEM Indmar 78-6146
$108.46 $116.80
Returnless Fuel Line OEM Indmar 786146 Returnless fuel line used in model years 2004 and newer Indmar applications utilizing EFI Selectronic fuel injection
4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000
4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000 4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000
$374.00 $399.99
4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000
$374.00 $399.99
Pair of polished stainless steel thru hull exhaust tips fit inboard boats with 4 in. exhaust. This is a set of 2 tips! 90 degree...
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...
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