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.

Scroll down for all Engine Items

Barb Thermostat Housing Hose Barb <b>Brass Fitting</b> 3/4 Inch NPT X 1 Inch BARR OEM 50-512-020 Barb Thermostat Housing Hose Barb <b>Brass Fitting</b> 3/4 Inch NPT X 1 Inch BARR OEM 60-5008
$15.00 $19.98
3/4" NPT X 1" BRASS Straight Fitting Straight 3/4 inch by 1 inch fitting made of Brass Replacement brass straight fitting. Size is 3/4" N.P.T to...
Rear Main Seal 351 Right Hand One Piece 1983 Up OEM R047041A Rear Main Seal 351 Right Hand One Piece 1983 Up OEM R047041A
$69.90
Seal Rear Main 351 Right Hand One Piece OEM R047041A Replaces Indmar 594106 RIGHT HAND ROTATION! For 1983 and up right hand rotation Ford 351...
Pulley Crank - Crank Pulley V-Belt Aluminum 5.7L Original Indmar 55-1241 Pulley Crank - Crank Pulley V-Belt Aluminum 5.7L Original Indmar 55-1241
$83.21 $89.61
Original Indmar Crank Pulley for V-Belts
Nut - Hex Nut -7/16-20 OEM RS1529
$0.35
Hex Nut 7/16-20 OEM  HEX NUT Replaces Crusader 272231, 95410201
Anode Zinc Anode Drain Plug Indmar SkiVee V-Drive Transmission Indmar Brand OEM 90-5150 Anode Zinc Anode Drain Plug Indmar SkiVee V-Drive Transmission Indmar Brand OEM 90-5150
$95.67 $103.03
For all Indmar engines 2007 and up that are outfitted with the Skivee V-drive transmission. Original Indmar 90-5150 Pencil Anode Drain Plug Anode Zinc For Indmar Drain...
Flame Arrestor 5.7 L - 4-Bolt Throttle Body R145027 Flame Arrestor 5.7 L - 4-Bolt Throttle Body R145027
$65.59
Flame Arrestor 4 Bolt Throttle Body for 5.7L Engine
Fuel Water Separator Filter 10 Micron Short Sierra 18-7944
$9.30 $9.59
FUEL WATER SEPARATOR FILTER SIERRA 18-7944 Replacement spin-on fuel filter fits many Mercury & Mercruiser marine engines to remove contaminants & water from incoming fuel. Many...
Cam For Neutral Safety Switch Velvet Drive Brand OEM VD-1016099001 Cam For Neutral Safety Switch Velvet Drive Brand OEM VD-1016099001
$129.11 $141.48
Cam for Neutral Safety Switch Item 31 in the exploded view.
Belt Serpentine 5.7L With Johnson Crank Driven Raw Water Pump PCM Crusader R066039 Belt Serpentine 5.7L With Johnson Crank Driven Raw Water Pump PCM Crusader R066039
$42.00
PCM Crusader Serpentine Drive Belt With Modular Raw Water Pump- OEM R066039 BELT,SERPENTINE DRIVE 5.7L PCM/Crusader 5.7 engines only These belts were used around 2016...
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine belt used on Mastercraft LTR applications.
$27.14 $29.23
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine alternator belt Used on Mastercraft LTR marine engines with shouldered pulley Original Indmar Alternator belt...
Gasket Oil Pan 5.7L GM Small Block Replaces 55-1604 Indmar Sierra 18-1237 Gasket Oil Pan 5.7L GM Small Block Replaces 55-1604 Indmar Sierra 18-1237
$53.50 $60.69
OIL PAN GASKET FOR 5.7L (350) GM  Sierra Brand 18-1237 Replaces Indmar Number 55-1604 Replaces PCM Number RM0249
FITTING 90 DEGREE ELBOW 1/4" NPT X 3/8" FUEL BARB ORIGINAL CRUSADER R024089
$21.34
90° FUEL BARB FOR FUEL FILTER OR PUMP 1/4" NPT X 3/8" FUEL BARB Can be used with fuel pump or fuel filter OEM If you...
Gasket Oil Pan Indmar 5.7L GM Indmar OEM 55-1604
$149.05 $160.44
OIL PAN GASKET FOR 5.7L (350) GM ORIGINAL INDMAR 55-1604 We also carry the Sierra Brand 18-1237 Replaces 10108676
Gasket Circulation Pump Gasket Chevy Small Block 2 Pack Gasket Circulation Pump Gasket Chevy Small Block 2 Pack
$5.48 $6.39
Water Pump Mounting Gasket 18-0891 - 2 Gasket Pack Sold Each Water Pump Mounting Gasket Replaces Chris Craft 16.50-00078 Replaces Crusader 7141690 Replaces Mercury Marine...
ALTERNATOR 75 AMP UPGRADE INDMAR LT1 - LTR REPLACES 55 AMPS WITH 75 AMPS ALTERNATOR 75 AMP UPGRADE INDMAR LT1 - LTR REPLACES 55 AMPS WITH 75 AMPS
$244.71 $309.74
Mando 75 amp marine alternator with 2 in. mounting foot and 6 groove serpentine pulley Fits Mercruiser marine engines too. New 75 amp 12 volt...
Bell Housing PCM GM 5.0L - 5.7L - 8.1L Top Or Bottom Mount Starter OEM R142015F
$358.50
BELL HOUSING PCM GM 5.0L - 5.7L - 8.1L Original PCM R142015F GM BELL HOUSING 5.0L/5.7L TOP OR BOTTOM MOUNT STARTER Block off plate is Part...
Tee Pipe Attaching Sender 1/4" X 1/8" X 1/8" - OEM R024205
$29.59
TEE PIPE ATTACHING SENDER Original PCM R024205 For attaching sender and switch T-fitting that goes into the block for GM engines with oil pressure switch and...
Fuel Filter Water Separator With O-Ring Racor PCM R080020
$79.65
Spin-on replacement fuel filter element for Racor 320R-RAC-02 inboard fuel filter assembly. Mostly used on 1994 Correct Craft Fuel Filter Water Separator Includes O-Ring R080020...
Fuel Filter Pre-Filter Service Kit 2005-2006 EFI PCM RP077014 Fuel Filter Pre-Filter Service Kit 2005-2006 EFI PCM RP077014
$18.05
PCM Pre-Filter OEM RP077014 for the PCM RA077014 Pump EFI engines, located in a small canister on the inlet side of the low pressure fuel pump....
Hose Formed Cooling Raw Water Pump To Fill Riser 5.7L Engines
$35.60
Formed Hose for GM PCM 2002 - 2003 Belt Driven Pump to Thermostat Housing Hose, preformed, PCM GM Hose goes from raw water pump to...
Hose Formed Right Hand GM 5.7L Fresh Water Cooled Crank Pump To Heat Exchanger
$44.56
Formed Hose for Right Hand GM 5.7L Fresh Water Cooled (antifreeze) crank pump to the heat exchanger
Stud For Manifold 6.0L - 5.7L OEM R031035
$8.40
Manifold stud to cylinder head, 6 per side 6.0L & 5.7L 12 REQUIRED
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083 MUFFLER STARBOARD - 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 Liter OEM 252080
$603.75 $847.62
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 5.7 Liter OEM 252080 MUFFLER - PORT 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
Items 601 to 624 of 1509 total