PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
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NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

ENGINE PARTS

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 several 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 20 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 for sale today.

Scroll down for all Engine Items

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
43%
$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"...
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
13%
$26.05 $29.99
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...
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
30%
$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...
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
25%
$12.00 $15.95
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...
Gasket PCM And Indmar Lower Thermostat Housing To Intake PCM OEM# RM0121
17%
$5.00 $5.99
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...
Seal For Johnson Raw Water Pumps OEM 68-5004
32%
$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...
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
10%
$22.55 $24.95
PCM FORD EXHAUST ELBOW MOUNTING KIT - RISER TO MANIFOLD OUT OF STOCK - CLICK HERE FOR SUBSTITUTE PLEASE Includes gasket & mounting bolts For...
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
19%
Sold Out
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....
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
6%
$45.00 $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...
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
27%
$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...
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
10%
$15.21 $16.95
3/4" NPT - BRASS Drain Pipe Plug for Exhaust Manifold for Indmar OR PCM This is the newer Brass Plug - Note: 3/4" NPT measures about 1"...
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
10%
$34.74 $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...
Housing Thermostat Housing Indmar Ford 302-351 Four Hose OEM 29-0083 Housing Thermostat Housing Indmar Ford 302-351 Four Hose OEM 29-0083
3%
$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...
Impeller & O-Ring Kit PCM 2004 Up Modular Pump Replaces RP061022  Sierra Brand 18-8926
25%
$45.50 $60.99
Impeller & O-Ring Kit For PCM Modular Pumps Sierra Brand - REPLACES PCM & Crusader RP061022 FITS: CRUSADER 5.7 & 6.0L WITH SERPENTINE BELT Incudes...
GROMMET FOR CRANK MOUNTED RAW WATER PUMP BRACKET MP-308711 Grommet For Crank Mounted Raw Water Pump Bracket MP-527018
24%
$10.45 $13.69
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...
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
17%
$1,750.00 $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!...
Exhaust Service Installation Kit PCM Ford 302 - 351 Both Sides Complete Set OEM PCM RP173029
11%
$159.00 $179.60
OEM Pleasurecraft Marine complete engine set for BOTH sides Includes bolts for 3" & 3-1/2" risers Includes manifold gasket, riser gasket, bolts, washers, elbow and...
Barb Thermostat Housing Hose Barb Nylon Fitting 3/4 Inch NPT X 1 Inch  OEM 60-5008
43%
$4.95 $8.75
3/4" NPT X 1" Nylon Straight Fitting Straight 3/4 inch by 1 inch fitting made of nylon Used on Thermostat Housings May need to order...
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
27%
$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...
Items 81 to 100 of 1420 total