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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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Thermostat 170 Degree PCM Full Kit OEM RP026003
Thermostat 170 Degree PCM Full Kit OEM RP026003 Thermostat 170 Degree PCM Full Kit OEM RP026003
10%
$123.55 $136.77
Thermostat 170 Degree PCM Full Kit OEM RP026003
$123.55 $136.77
170 ° - Up To 1997 GM 350/454 Raw Water Cooled Ford Fresh Water Cooled; the older By-Pass Styles Note that the old 140/145 degree is REPLACED...
Relay - 12V GM Fuel Pump - System Original PCM R130012
Relay - 12V GM Fuel Pump - System Original PCM R130012
37%
$15.20 $24.05
Relay - 12V GM Fuel Pump - System Original PCM R130012
$15.20 $24.05
Fuel pump relay with 1/8 inch connectors for Crusader MPI engines Original Pleasurecraft Marine Part - R130012 Shrouded relay with 1/8 inch connector tabs For...
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...
Bushing Transmission Rear Mount Indmar 53-6007 The Old Number Is 53-6004
Bushing Transmission Rear Mount Indmar 53-6007 The Old Number Is 53-6004 Bushing Transmission Rear Mount Indmar 53-6007 The Old Number Is 53-6004
26%
$14.00 $18.95
Bushing Transmission Rear Mount Indmar 53-6007 The Old Number Is 53-6004
$14.00 $18.95
Replacement bushing for Indmar transmission mounts Indmar 53-6007 OLD NUMBER Superseded from 53-6004 Indmar transmission mount bushing 536007 Two required per mount (top and bottom)...
Raw Water Pump LT1 Crank Driven 3 Hole Flange High Flow F6B-9 OEM Indmar 68-5020-3
Raw Water Pump Indmar Crankshaft Driven High Flow F6B-9 Indmar# 68-5020-4 Fits LT1+ Raw Water Pump Indmar Crankshaft Driven High Flow F6B-9 Indmar# 68-5020-4 Fits LT1+
12%
$325.00 $369.99
Raw Water Pump LT1 Crank Driven 3 Hole Flange High Flow F6B-9 OEM Indmar 68-5020-3
$325.00 $369.99
ORIGINAL INDMAR PUMP for INDMAR LT1 - LTR - 685020-3 3 FLANGE HOLES ONLY to keep vibration down for the LT Engines. LT-1 / LTR Bronze...
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285 Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
10%
$12.95 $14.36
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
$12.95 $14.36
Manifold Corner CAT Gasket - All years - RM0285 PCM Port & Starboard Manifold to Corner gasket Sold individually
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
13%
$32.00 $36.99
Spark Plug Set Ford 351 HO - GT-40 NGK-7060 Set Of 8 Plugs Replaces PCM RP030007
$32.00 $36.99
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...
Knock Sensor Adapter Flat Response OEM PCM and Indmar
Knock Sensor Adapter Flat Response OEM PCM and Indmar Knock Sensor Adapter Flat Response OEM PCM and Indmar
23%
$12.21 $15.95
Knock Sensor Adapter Flat Response OEM PCM and Indmar
$12.21 $15.95
Adapter For Flat Response Knock Sensor Indmar 2006 original brass & up 5.7L and PCM 2008 & up 5.7L & 5.0L Engines with this style...
Barb Thermostat Housing Hose Barb Nylon Fitting 3/4 Inch NPT X 1 Inch OEM 60-5008
Barb Thermostat Housing Hose Barb Nylon Fitting 3/4 Inch NPT X 1 Inch OEM 60-5008
43%
$4.95 $8.75
Barb Thermostat Housing Hose Barb Nylon Fitting 3/4 Inch NPT X 1 Inch OEM 60-5008
$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...
Fuel Filter Element Racor R11T For 110 & 110-A Indmar Ford RACOR-R11T
Fuel Filter Element Racor R11T For 110 & 110-A Indmar Ford RACOR-R11T Fuel Filter Element Racor R11T For 110 & 110-A Indmar Ford RACOR-R11T
4%
$33.00 $34.35
Fuel Filter Element Racor R11T For 110 & 110-A Indmar Ford RACOR-R11T
$33.00 $34.35
Replacment Aquabloc filter element used in Racor 110 and 110A fuel filters Includes gasket and O-Ring! Indmar Ford Original Racor Racor R11T & 110 is...
Ring Gear Ford Small Block 302-351 With 157 Teeth
Ring Gear Ford Small Block 302-351 With 157 Teeth Ring Gear Ford Small Block 302-351 With 157 Teeth
27%
$40.85 $55.89
Ring Gear Ford Small Block 302-351 With 157 Teeth
$40.85 $55.89
Ring Gear Replacement Ford 302 & 351 157 Teeth 12" Inside Diameter 13-1/4" Outside Diameter Replaces R139006
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...
Hose Exhaust Hose Corrugated With Wire 3 Inch I.D. MPI® 252-3000
HOSE EXHAUST HOSE CORRUGATED WITH WIRE 3 INCH I.D. MPI 252-3000 HOSE EXHAUST HOSE CORRUGATED WITH WIRE 3 INCH I.D. MPI 252-3000
29%
$29.74 $41.64
Hose Exhaust Hose Corrugated With Wire 3 Inch I.D. MPI® 252-3000
$29.74 $41.64
Exhaust Hose Corrugated With Wire MPI® 252-3000 3" I.D. - Great for tight radius applications! Over 20° bends! 252-3000-1-611903 Sold per foot. Exhaust Hose – 3...
Exhaust Service Installation Kit PCM Ford 302 - 351 Both Sides Complete Set OEM PCM RP173029
Exhaust Service Installation Kit PCM Ford 302 - 351 Both Sides Complete Set OEM PCM RP173029
11%
$159.00 $179.60
Exhaust Service Installation Kit PCM Ford 302 - 351 Both Sides Complete Set OEM PCM RP173029
$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...
Switch Neutral Safety New Style 1981 And Up Includes O-Ring OEM R153011
Switch Neutral Safety Newer Style 1981 And Up Includes O-Ring OEM R153011 Switch Neutral Safety Newer Style 1981 And Up Includes O-Ring OEM R153011
51%
$23.59 $48.14
Switch Neutral Safety New Style 1981 And Up Includes O-Ring OEM R153011
$23.59 $48.14
Neutral Safety Switch only, used in all Borg-Warner Velvet Drive (1981 & Up) and PCM transmissions INCLUDES O-RING! Recommended each time you replace NSS Fits Velvet Drive, PCM &...
Hose Formed Indmar Raw Water Pump To Transmission Cooler Indmar OEM 81-1101D
Hose Formed Indmar Raw Water Pump To Transmission Cooler Indmar OEM 81-1101D
22%
$42.00 $53.99
Hose Formed Indmar Raw Water Pump To Transmission Cooler Indmar OEM 81-1101D
$42.00 $53.99
Formed Hose RAW WATER PUMP TO TRANSMISSION COOLER 1-1/4 inches by 38 inches for use in Malibu marine applications MONSOON - OEM Indmar Item This is...
Riser Exhaust 3" PCM Ford - GM OEM PCM R029001
Riser Exhaust 3" PCM Ford - GM OEM PCM R029001
9%
$205.00 $225.15
Riser Exhaust 3" PCM Ford - GM OEM PCM R029001
$205.00 $225.15
OEM Pleasurecraft Marine Exhaust Riser 3" Riser - R029001 OEM exhaust riser fits many PCM GM & Ford V8 small block marine engines Generally used...
Thermostat 143 Degree PCM Ford 351-302 Raw Water Cooled With Gasket Sierra Brand -18-3671
Thermostat 143 Degree PCM Ford 351-302 Raw Water Cooled With Gasket Sierra Brand -18-3671
4%
$29.95 $31.29
Thermostat 143 Degree PCM Ford 351-302 Raw Water Cooled With Gasket Sierra Brand -18-3671
$29.95 $31.29
Thermostat used on raw water cooled PCM Ford 302 and 351 cu. in. marine engines Sierra Brand Replaces Pleasurecraft Marine RP026002E Replaces Mallory 9-43154 Fits...
Renew Kit 4160 Holley 351 - 350 - 5.8 - 5.7 RN0120-1
RENEW KIT 4160 HOLLEY 351 - 350 - 5.8 - 5.7 RN0120-1 RENEW KIT 4160 HOLLEY 351 - 350 - 5.8 - 5.7 RN0120-1
10%
$67.05 $74.84
Renew Kit 4160 Holley 351 - 350 - 5.8 - 5.7 RN0120-1
$67.05 $74.84
RENEW KIT 4160 HOLLEY 351 - 350 - 5.8 - 5.7 Base Gasket Not Included (Part # RM0054B) Also, this kit does Not include the...
Freeze Plug Brass 1-1/2" Ford 351 - 302 Block and Cylinder Heads OEM R069008
Freeze Plug Brass 1-1/2" Ford 351 - 302 Block and Cylinder Heads OEM R069008 Freeze Plug Brass 1-1/2" Ford 351 - 302 Block and Cylinder Heads OEM R069008
24%
$6.84 $8.99
Freeze Plug Brass 1-1/2" Ford 351 - 302 Block and Cylinder Heads OEM R069008
$6.84 $8.99
Brass Freeze Plugs for Ford 351 & 302 Marine Engines OEM R069008 Use on the Block and the Cylinder Heads TIP: Put these in the...
Fitting 1/2" NPT X 5/8" Barb Straight For Manifold Water Drain Hose Indmar 60-5004
Fitting 1/2" NPT X 5/8" Barb Straight For Manifold Water Drain Hose Indmar 60-5004
47%
$3.99 $7.58
Fitting 1/2" NPT X 5/8" Barb Straight For Manifold Water Drain Hose Indmar 60-5004
$3.99 $7.58
Fitting for exhaust water drain hose - H.O. OEM Indmar 605004 Straight nylon fitting. Size 1/2" threaded X 5/8" hose Fitting used in Indmar cast...
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...
Manifold Exhaust EXT CAT Exhaust Aluminum Starboard Side Indmar 53-1400HL OEM Indmar
Manifold Exhaust EXT CAT Exhaust Aluminum <b> Starboard Side</b> Indmar 53-1400HL OEM Indmar Manifold Exhaust EXT CAT Exhaust Aluminum <b> Starboard Side</b> Indmar 53-1400HL OEM Indmar
17%
$1,595.00 $1,924.80
Manifold Exhaust EXT CAT Exhaust Aluminum Starboard Side Indmar 53-1400HL 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!...
Freeze Plug Brass 1-5/8" GM All Replaces R069066 - Replaces Sierra 18-5961
Freeze Plug Brass 1-5/8" GM All Replaces R069066 - Replaces Sierra 18-5961 Freeze Plug Brass 1-5/8" GM All Replaces R069066 - Replaces Sierra 18-5961
15%
$6.80 $7.99
Freeze Plug Brass 1-5/8" GM All Replaces R069066 - Replaces Sierra 18-5961
$6.80 $7.99
Brass Freeze Plugs for GM Marine Engines 1-5/8" SEIRRA 18-5961  REPLACES PCM R069066 Use for GM on the side of the block TIP: Put these in...
Items 97 to 120 of 1309 total