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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.

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Raw Water Pump Indmar Crankshaft Driven 7 Hole Flange F6 Extra Flow Crankshaft Pump Johnson Pump 10-24946-01 OEM# 68-5001
Raw Water Pump Indmar Crankshaft Driven 7 Hole Flange F6 Extra Flow Crankshaft Pump Johnson Pump 10-24946-01 OEM# 68-5001 Raw Water Pump Indmar Crankshaft Driven 7 Hole Flange F6 Extra Flow Crankshaft Pump Johnson Pump 10-24946-01 OEM# 68-5001
28%
$219.00 $304.50
Raw Water Pump Indmar Crankshaft Driven 7 Hole Flange F6 Extra Flow Crankshaft Pump Johnson Pump 10-24946-01 OEM# 68-5001
$219.00 $304.50
Johnson Pump JP-10-24946-01 Crankshaft Mounted Raw Water Pump Replaces Indmar 68-5001 7 Holes in the flange Indmar Ford 351 and GM 350 - 68-5001 FOR...
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
17%
$38.85 $46.62
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
$38.85 $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...
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
52%
$12.00 $24.95
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
$12.00 $24.95
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...
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
34%
$539.00 $811.46
2008-2012 Muffler Mastercraft - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
$539.00 $811.46
 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...
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
24%
$157.00 $205.99
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
$157.00 $205.99
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...
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 Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
$31.00
Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
$31.00
Indmar serpentine belt for Indmar 5.7L marine engines from 2003 & up This is an Original Indmar Belt Serpentine Belt. 2005 & Up Malibu Monsoon &...
Fitting 3/4" NPT X 5/8" Barb 90 Degree For Manifold Water Drain Hose Indmar 605021
Fitting 3/4" NPT X 5/8" Barb 90 Degree For Manifold Water Drain Hose Indmar 605021
41%
$5.29 $8.99
Fitting 3/4" NPT X 5/8" Barb 90 Degree For Manifold Water Drain Hose Indmar 605021
$5.29 $8.99
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...
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 Hose Exhaust Hose Corrugated With Wire 3-1/2 Inch I.D. Shield's® 116-252-3120
19%
$38.50 $47.64
Hose Exhaust Hose Corrugated With Wire 3-1/2 Inch I.D. Shield's® 116-252-3120
$38.50 $47.64
Exhaust Hose Corrugated With Wire 3.5" I.D. Shield's® Brand Great for tight radius applications. Over a 20° bend. 116-252-3120-1 Sold per foot. We also have MPI®...
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 Wire Set Spark Plug and Coil Full Set Both Sides LT1 LTR Indmar OEM ALL YEARS 55-6010A-B
27%
$124.00 $169.00
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...
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3 Inch O.D. Straight Outlet 26 Inches Long OEM UM-0429
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3 Inch O.D. Straight Outlet 26 Inches Long OEM UM-0429
27%
$338.00 $465.27
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3 Inch O.D. Straight Outlet 26 Inches Long OEM UM-0429
$338.00 $465.27
Ultra Marine - Muffler Aftermarket Interchangeable UM-0429 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 26" Tip to Tip 3-1/2" Inlet - 3" Outlet...
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533 Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533
30%
$3.50 $4.99
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533
$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...
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
17%
$38.90 $46.95
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
$38.90 $46.95
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...
Seal For Johnson Raw Water Pumps OEM 68-5004
Seal For Johnson Raw Water Pumps OEM 68-5004
32%
$26.00 $38.00
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 Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
Hose Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
13%
$66.00 $76.28
Hose Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
$66.00 $76.28
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...
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM 4207
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM 4207 Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM 4207
44%
$349.00 $621.69
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM 4207
$349.00 $621.69
Ultra Marine - Muffler Supra-Moomba 104378 Muffler Number: 104378 Supra-Moomba Interchangeable - PORT or STARBOARD UM-4207 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 33"...
Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
OEM Indmar one piece exhaust manifold with catalyst exhaust element for Vortec 5.7L Monsoon & 6.2L Hammerhead marine engines.
17%
$1,595.00 $1,924.80
Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
$1,595.00 $1,924.80
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!...
Gasket O-Ring Thermostat 160 Degree Indmar LT-1 O-Ring For Thermostat For LT1 - 35710
GASKET O-RING THERMOSTAT 160 DEGREE INDMAR LT-1 O- RING FOR THERMOSTAT FOR LT1
17%
$4.75 $5.75
Gasket O-Ring Thermostat 160 Degree Indmar LT-1 O-Ring For Thermostat For LT1 - 35710
$4.75 $5.75
O-Ring Rubber Seal Gasket for: Indmar Corvette LT1 OEM Replacement Marine 160 degree thermostat Also fits Indmar Fresh Water Cooled engines Use with SKU # 98-6034 T-Stat. The thermostat...
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 Temperature Sender Water Temp PCM - Indmar - Some PCM GM 1/2 Inch NPT OEM R020003
10%
$34.74 $38.43
Temperature Sender Water Temp PCM - Indmar - Some PCM GM 1/2 Inch NPT OEM R020003
$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...
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
13%
$38.41 $43.92
Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002
$38.41 $43.92
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...
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
11%
$15.09 $16.89
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
$15.09 $16.89
PCM FORD EXHAUST ELBOW MOUNTING KIT - RISER TO MANIFOLD Includes gasket & mounting bolts For Pleasurecraft Marine 302 & 351 CID exhaust risers Includes...
Hose Fuel Feed Fill Typle A1 - Vent Hose 3/8 Inch I.D Low Permeation Sierra® Shield's
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
20%
$4.25 $5.31
Hose Fuel Feed Fill Typle A1 - Vent Hose 3/8 Inch I.D Low Permeation Sierra® Shield's
$4.25 $5.31
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...
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019 Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
17%
$26.75 $32.08
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
$26.75 $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...
Starter Kit Left Hand Ford 302 - 351 OEM Permanent Magnet ARCO-70200
Starter Kit Left Hand Ford 302 - 351 OEM ARCO-70200 Starter Kit Left Hand Ford 302 - 351 OEM ARCO-70200
21%
$189.00 $239.00
Starter Kit Left Hand Ford 302 - 351 OEM Permanent Magnet ARCO-70200
$189.00 $239.00
Left Hand "Standard" Engine Rotation 2 Bolt New style permanent magnet starter replaces old plunger style. Fits most PCM and Indmar Fords in Mastercraft, a...
Impeller & O-Ring Kit PCM 2004 Up Modular Pump Replaces RP061022 Sierra Brand 18-8926
Impeller & O-Ring Kit PCM 2004 Up Modular Pump Replaces RP061022 Sierra Brand 18-8926
23%
$45.50 $58.99
Impeller & O-Ring Kit PCM 2004 Up Modular Pump Replaces RP061022 Sierra Brand 18-8926
$45.50 $58.99
Impeller & O-Ring Kit For PCM Modular Pumps Sierra Brand - REPLACES PCM & Crusader RP061022 FITS: CRUSADER 5.7 & 6.0L WITH SERPENTINE BELT Incudes...
Belt Indmar V-Belt 302 - 305 - 350 Monsoon & Hammerhead OEM 72-5018
Belt Indmar V-Belt 302 - 305 - 350 Monsoon & Hammerhead OEM 72-5018 Belt Indmar V-Belt 302 - 305 - 350 Monsoon & Hammerhead OEM 72-5018
16%
$17.00 $20.24
Belt Indmar V-Belt 302 - 305 - 350 Monsoon & Hammerhead OEM 72-5018
$17.00 $20.24
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...
Gasket Exhaust Riser To Manifold PCM Ford -Original Factory OEM# PCM-RM0002
Gasket Exhaust Riser To Manifold PCM Ford -Original Factory OEM# PCM-RM0002 Gasket Exhaust Riser To Manifold PCM Ford -Original Factory OEM# PCM-RM0002
26%
$24.42 $32.95
Gasket Exhaust Riser To Manifold PCM Ford -Original Factory OEM# PCM-RM0002
$24.42 $32.95
GASKET EXHAUST RISER - OEM# RM0002 - SOLD EACH! Fits Ford - GM 5.0 5.7 5.8 This is the original manufacturer OEM replacement from PCM...
Tune Up Kit Mercruiser 7.4 Liter Thunderbolt Complete Tune Up Kit Pre Vortec M74TBOLT
Tune Up Kit Mercruiser 7.4 Liter Thunderbolt Complete Tune Up Kit
9%
$205.00 $224.05
Tune Up Kit Mercruiser 7.4 Liter Thunderbolt Complete Tune Up Kit Pre Vortec M74TBOLT
$205.00 $224.05
Comprehensive kit includes everything needed to tune-up Pre Vortec Mercruiser 7.4L engines with Thunderbolt electronic distributors. For Mercruiser 7.4 liter 454 cu. in. Pre Vortec...
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
Dipstick Tube Indmar 5.7 - 350 OEM 55-1059 - 551040
27%
$49.00 $66.95
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...
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
10%
$15.21 $16.95
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
$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"...
Housing Thermostat Housing Indmar Ford 302-351 Four Hose OEM 29-0083
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
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, WITH a few modifications, to replace the NLA R025001 and the RA025001....
Gasket Big Block Riser To Manifold Indmar Indmar Original 53-1017
Gasket Big Block Riser To Manifold Indmar Indmar Original 53-1017
54%
$6.75 $14.80
Gasket Big Block Riser To Manifold Indmar Indmar Original 53-1017
$6.75 $14.80
Exhaust Riser To Manifold Gasket Indmar Big Block Engines - All years SOLD PER SIDE - NEED TWO PER ENGINE Note: If you have FRESH WATER...
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A
27%
$138.00 $188.95
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A
$138.00 $188.95
PCM Ford Small Block Fuel Pump Assembly  Fits ALL PCM Ford 302 & 351 cu. in. marine engines equipped with a mechanical fuel pump Includes mounting...
Items 65 to 96 of 1309 total