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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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Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
$8.84 $9.52
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
$8.84 $9.52
Original Equipment Indmar Riser Complete Mounting Kit  OEM Indmar 49-5006 Mounting hardware for one Indmar 350/351 cast iron exhaust riser (3 1/2") Includes all bolts, washers, and...
Impeller Kit PCM & GM OEM RP061017 - Sherwood 10615K
Impeller Kit PCM & GM OEM RP061017 - Sherwood 10615K Impeller Kit PCM & GM OEM RP061017 - Sherwood 10615K
$40.00 $54.33
Impeller Kit PCM & GM OEM RP061017 - Sherwood 10615K
$40.00 $54.33
Sherwood Impeller Kit - Fits PCM GM thru 2003 and 75 up Ford Escort. Not for 2004 and up PCM Serpentine Belt pumps. W 1-5/8",...
Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034 Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
$53.08 $57.16
Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
$53.08 $57.16
Indmar serpentine belt for Indmar 5.7L marine engines from 2003 & up This is an Original Indmar Belt Serpentine Belt. 2003 & Up Malibu Monsoon &...
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
$46.62
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
$46.62
Thermostat 143 Degree PCM & Indmar Ford & LT1 R026002E PCM CRUSADER OEM BRAND OEM - NOT AFTERMARKET! Fits Indmar Fits the LT1 Engine Fits many raw water...
5/8 Hose Fuel Feed | Fill | Vent Hose 5/8 Inch Inside Diameter OEM MPI 315-0580
5/8 Hose Fuel Feed | Fill | Vent Hose 5/8 Inch Inside Diameter OEM MPI 315-0580 5/8 Hose Fuel Feed | Fill | Vent Hose 5/8 Inch Inside Diameter OEM MPI 315-0580
$3.50 $4.75
5/8 Hose Fuel Feed | Fill | Vent Hose 5/8 Inch Inside Diameter OEM MPI 315-0580
$3.50 $4.75
Fuel Feed/Fill Hose - 5/8" I.D. MPI Brand Sold per foot - Price is per foot Note - Quantity is total length ordered in one...
Circulation Pump GM Chevy 350 - 305 & 5.7 - V8 - V6 Marine Water Pump Includes Gaskets 18-684M
Circulation Pump GM 350 - 305 & 5.7 - V8 - V6 Marine Water Pump Includes Gaskets Circulation Pump GM 350 - 305 & 5.7 - V8 - V6 Marine Water Pump Includes Gaskets
$170.00 $198.99
Circulation Pump GM Chevy 350 - 305 & 5.7 - V8 - V6 Marine Water Pump Includes Gaskets 18-684M
$170.00 $198.99
BI-ROTATIONAL CIRCULATING PUMP 350 & 305 GM ENGINES INCLUDING 5.7 LTR ENGINEIncludes gaskets. Fits Left Hand OR Right Hand Engines GM V6 and small block...
Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002
Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002 Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002
$57.69
Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002
$57.69
Thermostat for PCM Sea Maxx 302 and 351 cu. in. marine engines EFI or Carbureted engines The 160 degree T-stat is recommended for fuel injected...
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
$183.12 $197.20
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
$183.12 $197.20
Thermostat Housing Compact Design Low Profile - IN STOCK! Used on Indmar and many other GM Chevrolet V-6 4.3-Liter and V-8 Small Block 5.0 and...
Fitting Elbow Inverted Flare 3/8 Inch For Fuel Pump Original Crusader R024017
OEM FITTING ELBOW INVERTED FLARE 3/8 INCH FOR FUEL PUMP ORIGINAL CRUSADER R024017
$8.81
Fitting Elbow Inverted Flare 3/8 Inch For Fuel Pump Original Crusader R024017
$8.81
OEM FITTING ELBOW INVERTED FLARE 3/8 INCH FOR FUEL PUMP ORIGINAL CRUSADER R024017 The part near the fuel pump. ELBOW - INV FLARE 3/8 Replaces...
Grommet For Crank Mounted Raw Water Pump Bracket MP-527018
GROMMET FOR CRANK MOUNTED RAW WATER PUMP BRACKET MP-308711 Grommet For Crank Mounted Raw Water Pump Bracket MP-527018
$7.95 $8.20
Grommet For Crank Mounted Raw Water Pump Bracket MP-527018
$7.95 $8.20
Grommet - Provides vibration isolation between the crankshaft mounted raw water pump & the pump restraint bracket on Marine Power engines. FITS BRACKET MP-308711_RK090177A Marine...
Flapper Exhaust Protector Valve 3 Inch
Flapper Exhaust Protector Valve 3 Inch
$38.05 $43.59
Flapper Exhaust Protector Valve 3 Inch
$38.05 $43.59
3 Inch Exhaust Flapper Protective Valve With Stainless Steel Clamp Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow...
4 Inch ID Blower | Air Vent Hose 4 Inch Inside Diameter White 5 Foot Length Each OEM MPI-400-4000
4 Inch ID Blower | Air Vent Hose 4 Inch Inside Diameter White 5 Foot Length Each OEM MPI-400-4000
$4.99 $12.75
4 Inch ID Blower | Air Vent Hose 4 Inch Inside Diameter White 5 Foot Length Each OEM MPI-400-4000
$4.99 $12.75
Air Vent - Blower Hose - 4" Color WHITE - Sierra Brand This is A FIVE FOOT Length of Hose! Price is per 5 foot...
Wire Set Spark Plug and Coil Full Set Both Sides LT1 LTR Indmar OEM ALL YEARS 55-6010A-B
Wire Set Spark Plug and Coil Full Set Both Sides LT1 LTR Indmar OEM ALL YEARS 55-6010A-B Wire Set Spark Plug and Coil Full Set Both Sides LT1 LTR Indmar OEM ALL YEARS 55-6010A-B
$115.71 $139.22
Wire Set Spark Plug and Coil Full Set Both Sides LT1 LTR Indmar OEM ALL YEARS 55-6010A-B
$115.71 $139.22
Original Indmar Ignition Wire Set Includes Both Sides For Odd Bank and Even Bank FITS ALL YEARS LT1 CORVETTE FITS ALL YEARS LTR NORTHSTAR COIL...
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 PCM RA080002A
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A
$177.90
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 PCM RA080002A
$177.90
PCM Ford Small Block Fuel Pump Assembly Carter All Ford 302 & 351 cu. in. marine engines equipped with a mechanical fuel pump 1971 and...
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
$35.93
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
$35.93
FUEL LINE ASSEMBLY PCM FORD SMALL BLOCK 302-351 OEM RA085002B Direct PCM Replacement OEM Part Use for the Holley 4160 to OEM PCM Fuel Pump...
Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015
Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015 Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015
$12.23 $13.17
Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015
$12.23 $13.17
V-BELT FORD 351 & GM 454 INDMAR ORIGINAL PART This is an Indmar OEM Belt and not the NAPA 25-7440! Indmar Factory Single Belt Drive...
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019 Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
$32.08
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
$32.08
FUEL FILTER  WATER SEPARATOR PCM SPIN ON 2011 AND UP R077019 PCM High performance fuel - water separating filter, 90 GPH 10 micron filtration over...
2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033 2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
$544.00 $780.12
2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
$544.00 $780.12
MUFFLER MASTERCRAFT 2000 - 2006 3.5" Inlet with 40° Angle 3.5" outlet SS19/PS190/205/209/PS197 OEM 252033 Overall Length is approximately 26" Barrel Diameter is approximately 5-1/8"...
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533 Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
$3.50 $4.99
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
$3.50 $4.99
Pipe Plug for Exhaust Manifold for Indmar OR PCM 3/4" NPT - Counter Sunk Square Head - Older style For the "newer" style BRASS, order item# RS3533A...
Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007
Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007 Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007
$44.59 $48.02
Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007
$44.59 $48.02
NGK Spark Plug Set - Replaces PCM - RP030007 PCM Spark plugs for 351's, GT-40 engines Includes 8 Plugs 285 HP & Up Carbureted Plug gap...
Circulation Pump Small Block 302 - 351 Ford Bi-Rotational Water Pump OEM 18-687M
Circulation Pump Small Block 302 - 351 Ford Bi-Rotational Water Pump OEM 18-687M Circulation Pump Small Block 302 - 351 Ford Bi-Rotational Water Pump OEM 18-687M
$195.00 $243.43
Circulation Pump Small Block 302 - 351 Ford Bi-Rotational Water Pump OEM 18-687M
$195.00 $243.43
OEM - Bi-Rotational Circulating Pump FORD - Left Hand or Right Hand EnginesBI-ROTATIONAL MARINE PUMP FOR 302 AND 351 FORD ENGINES Includes internal and external...
PCM Ford Impeller Kit 302 351 & Gt-40 (RP061015) Sherwood 09959K
PCM Ford Impeller Kit 302 351 & Gt-40 (RP061015) Sherwood 09959K PCM Ford Impeller Kit 302 351 & Gt-40 (RP061015) Sherwood 09959K
$35.00 $47.50
PCM Ford Impeller Kit 302 351 & Gt-40 (RP061015) Sherwood 09959K
$35.00 $47.50
Fits ALL PCM 302/351 Ford Engines Includes O-ring and paper gaskets! Stainless Steel Hub! Fits most  Correct Craft boats with PCM 302 cid or 351...
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
$54.64
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
$54.64
Engine Oil Dipstick Tube Indmar 5.7L Original Indmar 55-1040 - REPLACED with Part # 55-1059 Used on all Indmar 5.7L 350's Fits Monsoon, MCX, Carb...
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285 Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
$14.36
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
$14.36
Manifold Corner CAT Gasket - All years - RM0285 PCM Port & Starboard Manifold to Corner gasket Sold individually
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
$525.00 $834.96
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
$525.00 $834.96
 2008-2012 MUFFLER MASTERCRAFT SILENT MASTER OPT. This muffler fits Port & Starboard Sides 3.5" Inlet w/80° angle - 3.5" outlet  w/30° angle Vertical X1/200/215/230/235/245/255 Euro...
3/8 Inch ID Fuel Feed | Fill | Vent Hose Low Permeation Type A1 3/8 Inch Inside Diameter Shield's
Hose Fuel Feed 3/8 Inch I.D Low Permeation Shield's Brand - 116-368-0386 Hose Fuel Feed 3/8 Inch I.D Low Permeation Shield's Brand - 116-368-0386
$3.00 $3.07
3/8 Inch ID Fuel Feed | Fill | Vent Hose Low Permeation Type A1 3/8 Inch Inside Diameter Shield's
$3.00 $3.07
Fuel Feed Hose - 3/8" I.D. Shield's Brand Low Permeation Sold per foot - Price is per foot Note - Quantity is total length ordered...
Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
OEM Indmar one piece exhaust manifold with catalyst exhaust element for Vortec 5.7L Monsoon & 6.2L Hammerhead marine engines. Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
Sold Out
Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
Sold Out
IF YOU CAN ADD ONE TO YOUR CART, WE HAVE ONE LEFT. IF THIS ITEM SHOWS SOLD OUT, WE ARE WATING TOO. THANK YOU MUCH!...
Hose Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
Hose Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
$66.00 $71.28
Hose Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
$66.00 $71.28
Formed Hose CIRCULATION PUMP TO THERMOSTAT HOUSING OEM INDMAR 84-5040 - This replaces the 84-2001 CONSIDER THE METAL UPGRADE KIT! CLICK HERE FOR 49-5174 Formed...
Belt Alternator V-Belt Marine Power 260515
Belt Alternator V-Belt Marine Power 260515
$23.95 $24.99
Belt Alternator V-Belt Marine Power 260515
$23.95 $24.99
Marine Power Alternator V-Belt - alternator belt fits various Marine Power GM small block marine engines. Volvo & Marine Power alternator v-belt For Marine Power...
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378 Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378
$395.41 $698.99
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378
$395.41 $698.99
Ultra Marine In-Line Silencer (Moomba Direct Drive) The UM-107378 is a high-performance fiberglass silencer designed specifically for marine environments. Utilizing fine fiberglass and highly fire-retardant...
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
$17.00
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
$17.00
Adapter For Flat Response Knock Sensor Indmar 2006 & up Indmar and PCM Engines 5.7L and PCM 2008 & up 5.7L & 5.0L Engines with...
Impeller Puller For The New Threaded 09-821BT and 09-1027BT Impellers | JP-09-47154-01
Impeller Puller For The New Threaded 09-821BT and 09-1027BT Impellers | JP-09-47154-01
$16.45 $19.25
Impeller Puller For The New Threaded 09-821BT and 09-1027BT Impellers | JP-09-47154-01
$16.45 $19.25
NEW PULLER for the newer style, threaded Indmar Johnson Impeller! Allows easier removal of flexible impellers from pumps! Threaded Impeller Puller is designed to remove...
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