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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Impeller Kit PCM & GM OEM RP061017 - Sherwood 10615K 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",...
Relay - Solenoid Marine Starter PCM Original R130001
$37.14
MARINE STARTER RELAY - SOLENOID PCM FACTORY OEM Does NOT come with the nuts and washers - PCM no longer includes them. Sierra Brand Has...
Fitting 3/4" NPT X 5/8" Barb 90 Degree For Manifold Water Drain Hose Indmar 605021
$4.37 $4.70
Fitting for exhaust water drain hose - OEM Indmar 90 degree nylon fitting. Size 3/4" threaded X 5/8 hose Fitting used in Indmar cast iron...
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...
Belt Alternator V-Belt 5.7L OEM 72-5018 Belt Alternator V-Belt 5.7L OEM 72-5018
$24.00 $27.56
Indmar alternator belt used from 1996-2004 on Indmar 5.7L Monsoon & Hammerhead marine engines with V belt. NOT the NAPA 7430 belt. This is Genuine...
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
$160.00 $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...
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
Indmar serpentine belt for Indmar 5.7L marine engines from 2003 & up This is an Original Indmar Belt Serpentine Belt. 2003 & Up Malibu Monsoon &...
OEM 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...
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
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...
Fuel Pump Low Pressure Electric For Indmar And PCM Replaces PCM RA080018 & Indmar 501006 Carter Pump P4594 Fuel Pump Low Pressure Electric For Indmar And PCM Replaces PCM RA080018 & Indmar 501006 Carter Pump P4594
$125.00 $181.59
Low Pressure Electric Fuel Pump Indmar & PCM  CARTER FUEL PUMP Replaces PCM RA080018 & RA080018B We also have the OEM PCM VERSION - CLICK...
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...
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...
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
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...
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 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...
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 - 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
$28.05 $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...
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 for Exhaust Manifold for Indmar OR PCM 3/4" NPT - Counter Sunk Square Head - Older style For the "newer" style BRASS, order item# RS3533A...
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...
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 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
$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"...
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