ENGINE PARTS

Inboard 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 many 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 30 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 today.

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Spark Plug Set Set Of 8  Iridium Option For MR43LTS  NGK-7397 Spark Plug Set Set Of 8  Iridium Option For MR43LTS  NGK-7397
$104.05 $108.80
NGK-71397 Iridium TR5IX Spark Plug Set Set Of 8  Iridium Option For MR43LTS  NGK-7397 Includes 8 Plugs
Exhaust Manifold 7.4L & 8.2L Crusader Center Rise Big Block Barr Marine CR-1-98125 Exhaust Manifold 7.4L & 8.2L Crusader Center Rise Big Block Barr Marine CR-1-98125
$575.16 $660.00
Direct replacement center rise exhaust manifold for Crusader 454 cu. in. & 502 cu. in. marine engines. Exhaust Manifold INCLUDES MOUTNING KIT Barr Crusader marine...
Gasket Head Gasket Ford 302-351 Sold Each - RM0018
$107.96
Gasket Head Gasket Ford 302-351 - RM0018 OEM Sold Each OEM - RM0018 Also works with your GT-40 Heads Replaces Fel-Pro - 17060 Use this...
Valve Holley High Flow Single Stage Power Valve HOL125-25
$22.55 $23.49
Holley High Flow Power Valve 2.5 Hg Single Stage HOL125-25 Single-Stage Power Valve Standard Flow 2.5 in. Hg Includes Gasket Opening Vacuum 2.5 in. Hg...
Holley H4160 Marine Carburetor 650 CFM 4 Valve 454 RA052007
$1,249.00 $1,324.05
650 CFM V4 Barrel Carburetor RA052007 Brand New Carb. DOES NOT COME WITH SPACER GASKET! Please click HERE to add spacer gasket; Part # RM0054B...
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MUFFLER MASTERCRAFT STRAIGHT 17" Overall Length. 3.0" offset  inlet/outlet - Note: 3" (3 Inch Inlet/Outlet) 17" OAL  OEM 252019 Manufactured by Ultra Marine. Easy to...
Wire Set Thunderbolt Ignition 8MM Premium Wires Sierra® 18-8804-1
$75.00 $89.40
For Thunderbolt GM Ignition Mega-Mag, 8mm MEG-103 Sierra® Brand Thunderbolt small block marine spark plug wire set Fits Mercruiser 305 and 350 cu. in. marine...
Seal Front Cover Timing Cover Right Hand 302 - 351 R047044 Seal Front Cover Timing Cover Right Hand 302 - 351 R047044
$63.00
Seal Front Cover Timing Cover Right Hand 302 - 351 R047044 New Style Smooth with No Lip Note that older seals have ribs with a...
Gasoline & Diesel Fuel Filter Insert Volvo Penta 3581078
$24.50 $27.73
Replacement OEM fuel filter & o-rings fits multiple Volvo Penta gasoline & diesel engine models. Volvo Penta fuel filter Protects marine engines by filtering water,...
Spin-On Diesel Fuel Filter Volvo Penta 861477
$29.99
Replacement OEM fuel filter for many Volvo Penta diesel marine engines. Volvo Penta fuel filter Protects marine engines by filtering water, dust, and dirt in...
21 Micron Fuel Water Separator Kit Sierra 18-7848-1
$47.79 $59.59
Aluminum filter head with 1/4 in. NPT inlet/outlet ports & short spin-on filter removes 99.8% of emulsified water and contaminants from incoming gasoline. Sierra fuel...
Raw Water Pump Crusader Sherwood E-35 Raw Water Pump Crusader Sherwood E-35
$847.12 $1,282.03
Belt driven seawater pump for cooling various Crusader marine engine models. Sherwood pedestal mounted bronze engine cooling pump Fits Crusader engine models: 220, 270, 300,...
Impeller Kit Jabsco OEM Neoprene Impeller Full Kit Jabsco 17937-0001-P Impeller Kit Jabsco OEM Neoprene Impeller Full Kit Jabsco 17937-0001-P
$45.22 $48.95
Original Jabsco impeller fits various Caterpillar, MAN diesel, Ford Lehman, Perkins, Volvo Penta, & Yanmar marine engine cooling pumps. Neoprene impeller material for water pumping...
Pump 3/4 Inch NPT Flange Mounted JABSCO-3270-0001
$685.67 $720.78
Coupler driven raw water intake pump with flange style mount fits Perkins 4-107 & 4-108 marine engines. Jabsco engine cooling water pump Fits Perkins 4-107...
Bronze Raw Water Pump JABSCO-777-9001
$485.00 $704.01
Pulley driven raw water pump with pedestal style mount. Jabsco engine cooling water pump Fits various Caterpillar and Detroit Diesel engines Pulley driven engine cooling...
Hose Exhaust Hose Smooth Wall With Wire 5 Inch I.D. Sold 12.5 Feet Length 116-250-5004
$513.78 $770.82
Exhaust Hose Smooth Side With Wire - Hardwall - 12.5 Feet 5" I.D. - Sold per foot in a single piece hose Enter quantity 5 and we will...
Perko Medium Duty Battery Selector Switch
$63.47 $87.55
Battery Selector Switch Perko Medium Duty Battery Selector Switch For use with 12, 24 and 32 volt marine electrical systems Capacity 250 AMPS continuous, 360...
Fuel Pump Assembly Mechanical PCM Ford Small Block 302 Sierra 18-7267 Original PCM Ford Small Block Fuel Pump Assembly Ford 302-351
$189.00 $283.00
Sierra® Ford Small Block Fuel Pump Assembly 302-351 For Indmar and PCM Fords Mechanical fuel pump for Ford 302 & 351 marine engines with Holley...
Fuel Rail Assembly <b>Starboard</b> - Right Side PCM 6.0L PCM OEM R086003
$182.16
Crusader 6.0L Left Side - Port Fuel Rail - WITHOUT POCKET FOR REGULATOR! NO POCKET.  Item # 25 in picture.      
Throttle Body TBU 6.0 OEM Indmar 55-7079
$301.67 $324.87
Throttle Body Monovalve TBU 6.0 MONOVALVE TBU 6.0 GRAMS Gasket for the Throttle Body sold separately HERE
Fuel Pump Assembly Mechanical Indmar - Mercruiser Ford Small Block 302-351 Sierra
$225.00 $329.79
AC style mechanical fuel pump for Mercruiser Ford 302 & 351 cu. in. marine engines. Fits Mercruiser Ford V8 302 & 351 cu. in. marine...
Gasket Exhaust Manifold To Head GM V-6 - 18-2909
$22.94 $23.89
Manifold To Head Gasket - PACK OF 2 Gasket seals exhaust manifold to cylinder head on GM 3.8L & 4.3L CID marine engines. Exhaust manifold...
Riser Extension Kit Mercruiser 3 inch Dry Joint OEM Barr Marine MC-20-864929A3 Riser Extension Kit Mercruiser 3 inch Dry Joint OEM Barr Marine MC-20-864929A3
$672.00 $794.00
BARR-MC-20-864929A3 - 3 Inch Dry Joint Exhaust Spacer Kit – 2 Per Kit Mounts between the manifold & elbow of Mercruiser marine engines with dry...
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD
$1,119.04 $1,205.12
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD- FRESH WATER COOLED - NOT RAW WATER COOLED! CLICK HERE For Raw Water Cooled part number 531296 FRESH WATER...
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