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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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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...
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
12%
$46.15 $52.15
Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
$46.15 $52.15
Indmar serpentine belt for Indmar 5.7L marine engines from 2003 & up This is an Original Indmar Belt Serpentine Belt. 2003 & Up Malibu Monsoon &...
Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 315-0580
Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 315-0580 Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 315-0580
26%
$3.50 $4.75
Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 315-0580
$3.50 $4.75
Fuel Feed/Fill Hose - 5/8" I.D. MPI Brand Sold per foot - Price is per foot Note - Quantity is total length ordered in one...
Fitting Elbow Inverted Flare 3/8 Inch For Fuel Pump Original Crusader R024017
OEM FITTING ELBOW INVERTED FLARE 3/8 INCH FOR FUEL PUMP ORIGINAL CRUSADER R024017
31%
$8.99 $12.99
Fitting Elbow Inverted Flare 3/8 Inch For Fuel Pump Original Crusader R024017
$8.99 $12.99
OEM FITTING ELBOW INVERTED FLARE 3/8 INCH FOR FUEL PUMP ORIGINAL CRUSADER R024017 The part near the fuel pump. ELBOW - INV FLARE 3/8 Replaces...
2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033 2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
30%
$544.00 $780.12
2000-2006 Muffler Mastercraft - 3.5" Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
$544.00 $780.12
MUFFLER MASTERCRAFT 2000 - 2006 3.5" Inlet with 40° Angle 3.5" outlet SS19/PS190/205/209/PS197 OEM 252033 Overall Length is approximately 26" Barrel Diameter is approximately 5-1/8"...
Flapper Exhaust Protector Valve 3 Inch
Flapper Exhaust Protector Valve 3 Inch
11%
$28.05 $31.49
Flapper Exhaust Protector Valve 3 Inch
$28.05 $31.49
3 Inch Exhaust Flapper Protective Valve With Stainless Steel Clamp Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow...
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...
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
19%
$215.00 $265.99
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
$215.00 $265.99
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 Alternator V-Belt 5.7L OEM 72-5018
Belt Alternator V-Belt 5.7L OEM 72-5018 Belt Alternator V-Belt 5.7L OEM 72-5018
13%
$24.00 $27.56
Belt Alternator V-Belt 5.7L OEM 72-5018
$24.00 $27.56
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...
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...
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...
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 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
45%
$115.00 $208.95
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 PCM RA080002A
$115.00 $208.95
PCM Ford Small Block Fuel Pump Assembly  All Ford 302 & 351 cu. in. marine engines equipped with a mechanical fuel pump 1971 and up!...
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
10%
$46.52 $51.69
Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002
$46.52 $51.69
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...
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...
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
37%
$525.00 $834.96
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...
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 Circulation Pump Small Block 302 - 351 Ford Bi-Rotational Water Pump OEM 18-687M
29%
$175.00 $245.00
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...
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 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
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"...
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 Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015
13%
$26.05 $29.99
Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015
$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 Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
30%
$3.50 $4.99
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
$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 Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
25%
$12.00 $15.95
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
$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
Gasket PCM And Indmar Lower Thermostat Housing To Intake PCM OEM# RM0121
17%
$5.00 $5.99
Gasket PCM And Indmar Lower Thermostat Housing To Intake PCM OEM# RM0121
$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
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...
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
10%
$22.55 $24.95
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
$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 See Description For Replacement
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
Hose Exhaust Hose Corrugated With Wire 3-1/2 Inch I.D. Shield's See Description For Replacement
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 Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007
6%
$45.00 $48.02
Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007
$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 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...
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"...
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3 Inch O.D. Straight Outlet 26 Inches Long OEM UM-0429 See Description For Replacement
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3 Inch O.D. Straight Outlet 26 Inches Long OEM UM-0429 See Description For Replacement
27%
Sold Out
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3 Inch O.D. Straight Outlet 26 Inches Long OEM UM-0429 See Description For Replacement
Sold Out
UM-0429 IS NLA - Ultra Marine - Muffler Aftermarket Interchangeable FOR REPLACEMENT - CLICK HERE Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 26"...
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...
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 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
Impeller & O-Ring Kit PCM 2004 Up Modular Pump Replaces RP061022 Sierra Brand 18-8926
25%
$45.50 $60.99
Impeller & O-Ring Kit PCM 2004 Up Modular Pump Replaces RP061022 Sierra Brand 18-8926
$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-527018
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 For Crank Mounted Raw Water Pump Bracket MP-527018
$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...
Items 65 to 96 of 1420 total