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

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...
Thermostat Kit Low Profile HS 49-1010 Thermostat Kit Low Profile HS 49-1010
$58.00 $60.25
Thermostat Kit Indmar Low Profile Thermostat Kit includes 160 degree thermostat and both gaskets needed for Indmar low profile thermostat housing.
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285 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
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A 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...
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. 3.5" Inlet w/80° angle - 3.5" outlet  w/30° angle Vertical X1/200/215/230/235/245/255 Euro Part# 252023 Manufactured by Ultra Marine. Easy...
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
$1,766.75 $2,120.50
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
$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...
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
$175.00 $245.00
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...
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
$49.00 $66.95
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...
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
Interchangeable PORT or STARBOARD UM-107378 - REPLACES UM-4207 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 33" Tip to Tip 3-1/2" Inlet - 3"...
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
$124.00 $169.00
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...
Seal For Johnson Raw Water Pumps OEM 68-5004
$26.00 $38.00
Seals Pump Housing to the shaft for Indmar Pumps Johnson Not Aftermarket The open side faces impeller & the solid side goes towards bearing IF YOU...
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
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...
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...
Housing Thermostat Housing Indmar Ford 302-351 Four Hose OEM 29-0083 Housing Thermostat Housing Indmar Ford 302-351 Four Hose OEM 29-0083
$188.00 $193.91
Thermostat Housing Ford Indmar OEM for Small Block Fords 302-351 Fords Can be used to replace the NLA R025001 and the RA025001. Thermostat Housing Assembly Small...
Gasket PCM And Indmar Lower Thermostat Housing To Intake PCM OEM# RM0121
$5.33
GASKET PCM LOWER THERMOSTAT HOUSING TO INTAKE OEM# RM0121 5.0L and 5.7L Thermostat Original Crusader Not Aftermarket Fits Fresh AND Raw Water Cooled Pleasure Craft Marine...
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
$17.89 $18.89
PCM FORD EXHAUST ELBOW MOUNTING KIT - RISER TO MANIFOLD OUT OF STOCK - CLICK HERE FOR SUBSTITUTE PLEASE Includes gasket & mounting bolts For...
Temperature Sender Water Temp PCM | Indmar | Some PCM GM 1/2 Inch NPT OEM R020003 Temperature Sender Water Temp PCM | Indmar | Some PCM GM 1/2 Inch NPT OEM R020003
$38.43
OEM PCM Ford - GM & INDMAR Ford - GM R020003 Engine temperature sending unit sends signal to temperature gauge 1/2 in. NPT Single Station Temperature Sender...
Gasket ETX Exhaust Manifold Dump Gasket OEM 76-5006
$11.85 $14.50
GASKET EXHAUST EXT INDMAR OEM Gasket located between the Indmar ETX catalyst aluminum exhaust manifold to stainless steel elbow (dump). Indmar EXTCAT exhaust manifold elbow (dump)...
Hose Exhaust Hose Corrugated With Wire 3-1/2 Inch I.D. Shield's® 116-252-3120 Hose Exhaust Hose Corrugated With Wire 3-1/2 Inch I.D. Shield's® 116-252-3120
$38.50 $47.64
DISCONTINUED AND REPLACED BY SHIELD'S FLEX® - CLICK HERE FOR REPLACEMENT Exhaust Hose Corrugated With Wire 3.5" I.D. Shield's® Brand Great for tight radius applications....
Items 81 to 100 of 1468 total