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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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
PCM Ford Front ALL PCM Ford Engines
$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
$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...
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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 <b>LEFT SIDE</b> TRANSMISSION MOUNT ASSEMBLY COMPLETE OEM 53-1015L
$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 OEM PCM RA122009B Starter GM Top Mount Left Hand Rotation Counter Clockwise 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...
HOSE WATER HOSE SOFTWALL NO WIRE 1-3/4" I.D. X 4 FEET OEM PCM BRAND 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
$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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Original Pela 650 6.5 Liter Marine Oil Change Pump This Pela 650 marine oil change pump can reach the required vacuum power to pull the...
Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557 Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557
$74.37
SHIFT CABLE BRACKET KIT Original PCM RK090057 Fits Velvet Drive 1:1 AND 1.52:1 transmissions Anodized Steel
Belt PCM Serpentine GEN-5 H5 - H6 R066040 Belt PCM Serpentine GEN-5 H5 - H6 R066040
$70.64
PCM R066040 Serpentine engine belt PCM Item R066040 53 Inches Long OD PCM Alternator Serpentine For Pleasurecraft Marine 305 and 350 cu. in. engines Used on H5...
Exhaust Service Installation Kit PCM GM 5.0 - 5.7 Both Sides Complete Set PCM RP173091
$133.05
OEM Pleasurecraft Marine EXHAUST SERVICE INSTALLATION KIT PCM GM 5.0 - 5.7 BOTH SIDES COMPLETE SET PCM RP173091 Includes Manifold Gaskets, Riser Gaskets, All Bolts,...
2004-2006 Muffler Kit Mastercraft - MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A
$1,309.22 $1,801.79
MUFFLER KIT MASTERCRAFT 2004-2006 MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A Does NOT include the rubber elbows! Inlets are tilted outwards towards the end caps Inlet holes are...
2013-2014 Muffler Mastercraft- 3.5" Inlet/Outlet - Port Universal  OEM 252087P
$708.68 $1,037.30
MUFFLER MASTERCRAFT 2013 - 2014 3.5"inlet/outlet Port Universal OEM 252087P MUFFLER - PORT SIDE 2013 - 2014 Manufactured by Ultra Marine. Easy to install! Ultra...
Rotor Prestolite Distributors With Clip Down Cap 1986 & Prior Original PCM R103003 Rotor Prestolite Distributors With Clip Down Cap 1986 & Prior Original PCM R103003
$7.20
Rotor for Prestolite distributors with clip down cap through 1986 Original OEM - PCM / Crusader R103003 Goes with Cap # 41052 Clip Down with screws...
Switch Water Temp Alarm Ford-GM-EFI-Water Temperature Switch -1/2 Inch NPT – PCM GT40 And APEX MPI OEM# R020014A
$66.46
Water Temperature Switch - 1/2 inch NPT – PCM GT40 & APEX MPI R020014A Activates a buzzer or light when engine temps reach dangerous levels 95...
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
$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...
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...
Ignition Coil GM Delco HEI EST Type Original Crusader Item R117005
$112.52
OE ignition coil fits GM HEI EST type ignition systems - Original Crusader Item R117005 Fuel Injected Engines with Delco distributors 5.7 & 454 from 1994...
Rotor Delco EST V8 Rotor Original Factory PCM/Crusader R103008
$14.40
Original OEM-PCM-Crusader Rotor for GM V8 marine engines with Delco EST module-in-cap electronic distributors. OEM Crusader Replaces Mercury 808484, 808484 1, 898253010, 8M6001253 Replaces Crusader 38071,...
Distributor Cap Delco V8 Original Factory PCM/Crusader # RA108006
$35.35
Original OEM - PCM - Crusader Distributor Cap for GM V8 marine engines with Delco EST electronic distributors OEM Crusader Delco EST V8 distributor cap...
ETA Breaker Switch 6 AMP Thermal- Blowers Etc. ETA Breaker Switch 6 AMP Thermal- Blowers Etc.
$39.89 $64.95
ETA BREAKER - SWITCH 6 AMP Correct Craft & Supra Dashes Push-On Spade Terminal Connector Combination Switch & Breaker Combination switch/circuit breakerUsed on dash of Correct...
Gasket Pump Cover For Sherwood Raw Water Pump OEM 10103
$3.20 $4.44
Pump Cover Gasket Sherwood 10103 Seals between the cover plate and the housing of various Sherwood seawater pumps. Fits Older Style Sherwood Interceptor pumps! Sherwood...
Belt Indmar Serpentine LTR Engine with Serial Numbers IC-972970 And Below OEM 72-5026
$58.02 $62.48
This is an Original Indmar Belt 72-5026 Indmar serpentine alternator belt 48 3/4 in. overall length 13/16 in. wide Original Indmar Replace belts when cracked...
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