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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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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"...
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...
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...
Gasket ETX Exhaust Manifold Dump Gasket Indmar OEM 76-5006
Gasket ETX Exhaust Manifold Dump Gasket OEM 76-5006
18%
$11.85 $14.50
Gasket ETX Exhaust Manifold Dump Gasket Indmar 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)...
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
14%
$205.00 $239.00
Starter Kit Left Hand Ford 302 - 351 OEM Permanent Magnet ARCO-70200
$205.00 $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...
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)...
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
17%
$28.17 $33.80
Relay - 12V GM Fuel Pump - System Original PCM R130012
$28.17 $33.80
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...
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...
TPS Sensor Potentiometer 5.7L & 6.0L DBW 2007 And Up PCM OEM R119005A
TPS Sensor Potentiometer 5.7L & 6.0L DBW 2007 And Up PCM OEM R119005A R119005A OLD STYLE
6%
$341.00 $361.94
TPS Sensor Potentiometer 5.7L & 6.0L DBW 2007 And Up PCM OEM R119005A
$341.00 $361.94
PTC SENSOR POTENTIOMETER 5.7L & 6.0L DBW 2007 AND UP - SEE PICTURE FOR ADVISORY: Replaces Crusader RA119005 If you order the RA119005, PLEASE NOTE...
Drain Hose Exhaust Drain Hose With Coupler Indmar 816058
Drain Hose Exhaust Drain Hose With Coupler Indmar 816058 Drain Hose Exhaust Drain Hose With Coupler Indmar 816058
30%
$35.00 $49.99
Drain Hose Exhaust Drain Hose With Coupler Indmar 816058
$35.00 $49.99
Exhaust Drain Hose With Coupler OEM Indmar This is a great kit! Indmar 5/8" Inside Diameter Exhaust Drain Hose Replaces the old style plastic connectors...
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 Port Side Indmar 53-1401HL OEM Indmar
8%
$1,945.00 $2,115.36
Manifold Exhaust EXT CAT Exhaust Aluminum Starboard Side Indmar 53-1400HL OEM Indmar
$1,945.00 $2,115.36
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 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
16%
$35.00 $41.64
Hose Exhaust Hose Corrugated With Wire 3 Inch I.D. MPI® 252-3000
$35.00 $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...
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 METAL UPGRADE - CLICK HERE 1-1/4 inches by 38 inches for use in Malibu marine applications MONSOON...
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 This item INCLUDES the O-RING Recommended each time you replace NSS Fits Velvet...
Oil Line Release Tool - DISCONTINUED PER INDMAR
Oil Line Release Tool - Transmission Oil Lines From Transmission Cooler Tool OEM 99-6607 Oil Line Release Tool - Transmission Oil Lines From Transmission Cooler Tool OEM 99-6607
12%
Sold Out
Oil Line Release Tool - DISCONTINUED PER INDMAR
Sold Out
DISCONINTUED PER INDMAR - NO SUBSTITUTES - SORRY ORIGINAL INDMAR Tool used for releasing the oil lines from transmission oil cooler fittings. TOOL ONLY -...
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...
Belt Alternator V-Belt Marine Power 260515
Belt Alternator V-Belt Marine Power 260515
32%
$18.45 $26.99
Belt Alternator V-Belt Marine Power 260515
$18.45 $26.99
Marine Power Alternator V-Belt - alternator belt fits various Marine Power GM small block marine engines. Volvo & Marine Power alternator v-belt For Marine Power...
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
25%
$42.00 $55.89
Ring Gear Ford Small Block 302-351 With 157 Teeth
$42.00 $55.89
Ring Gear Replacement Ford 302 & 351 157 Teeth 12" Inside Diameter 13-1/4" Outside Diameter Replaces R139006
Items 101 to 120 of 1453 total