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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.

Scroll down for all Engine Items

Mercruiser Dry Joint Exhaust Riser | Barr MC-20-864591 Mercruiser Dry Joint Exhaust Riser | Barr MC-20-864591
25%
$495.00 $658.00
Direct replacement exhaust elbow for Mercruiser V6 & V8 marine engines with dry joint style center rise exhaust manifolds. Includes mounting hardware & restrictor gasket...
Rotor for Prestolite Distributor 1987 and newer OEM Indmar 75-5018
14%
$27.05 $31.40
OEM Indmar Rotor for model years 1987 and newer Prestolite distributors used in Indmar applications. For Cap - CLICK HERE
Distributor Cap 1987 and newer OEM Indmar 75-5020
15%
$64.05 $75.52
Distributor Cap for model years 1987 and newer. Click HERE for Sierra Brand 18-5352 Distributor Cap Fits engines 1987 & up Replaces Chrysler 4142817 For Rotor...
Mercruiser Water Pump Assembly with Pulley | EMP 46-46302
15%
$465.00 $549.00
Direct Replacement Sea water pump fits Mercruiser MCM/MIE 4.3 liter, 5.0 liter, 5.7 liter, and 6.2 liter MPI engines with ECM 555. Sea water pump...
70 Amp Alternator Serpentine-Pulley OEM Indmar 57-5011
11%
$424.00 $475.86
OEM Indmar Delco 70 Amp alternator with a serpentine pulley. Used in some Indmar and GM marine engine applications. Delco 70 Amp alternator with a...
160 Degree Thermostat | Sierra 18-3649
16%
$26.00 $31.13
Thermostat Aftermarket 160 degree thermostat fits many different closed water cooled marine engines Fits various Crusader fresh water cooled engine models including model 220, model...
Indmar Ford 6.2L Bank 2 Manifold | OEM 535981E Indmar Ford 6.2L Bank 2 Port Manifold For Cylinders 5-8 See Picture | OEM 535981E
2%
$569.00 $580.00
Exhaust Manifold Bank 2 Indmar 535981E Original Equipment Indmar Manifold Bank 2 For Cylinders 5 - 8 - Normally Port - Left Side with Direct...
Indmar Ford 6.2L Bank 1 Manifold | OEM 535980E Indmar Ford 6.2L Bank 1 Starboard Manifold For Cylinders 1-4 See Picture | OEM 535980E
2%
$569.00 $580.00
Exhaust Manifold Bank 1 Indmar 535980E Original Equipment Indmar Manifold Bank 1 For Cylinders 1 - 4 - Normally Starboard - Right Side with Direct...
Inline Fuel Filter | Sierra 18-7829
28%
$6.25 $8.68
Inline Fuel Filter | Sierra 18-7829 Large capacity for 1/4 in. inside diameter fuel line Replaces Mercury 35-16494, 35-816296, 35-816296T, 35-816296Q, 35-816296Q2, 35-816296K03 Replaces Bombardier...
Heat Exchanger 6.0L OEM PCM RA147047
3%
$1,374.00 $1,412.86
Heat Exchanger 6.0L PCM OEM RA147047
Distributor GM Delco Electronic 5.7l - 5.0L | HVS Left handed Engine On Sale Distributor GM Delco Electronic 5.7l - 5.0L | HVS Left handed Engine On Sale
70%
$99.00 $327.19
ON SALE! Brand New Distributor 5.7L /5.0L GM EFI HVS  Fits: Crusader GM 5.0L and 5.7L MPI LEFT HAND ONLY marine engines HVS distributor PCM...
Gasket Water Pump OEM - Mercury 27-8172771 Gasket Water Pump OEM - Mercury 27-8172771
27%
$5.50 $7.50
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. Fits 40/45/50/60 FourStroke Bigfoot, 60 (3 cyl.) BigFoot, 75-125 (all 3 & 4 cylinder models,...
Impeller OEM Quicksilver Fits Select 40-300 HP Models
$36.49
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. OEM Product Fits 40/45/50/60 FourStroke Bigfoot, 60 (3 cyl.) BigFoot, 75-125 (all 3 & 4...
Metal Washer For ohnson Raw Water Pump OEM Indmar 685017
33%
$10.00 $14.99
WASHER FOR INDMAR PUMP OEM 68-5017 Washer used in Johnson raw water pump. Used with all Indmar applications with Johnson water pump. This is the...
Fiberglass Exhaust Reducer 3 Inch to 4 Inch Centek Industries CENTEK-1200170
21%
$79.95 $100.95
3 inch to 4 inch Fiberglass Exhaust Reducer Centek Industries 1200170 PERFECT for connecting your 3" Exhaust Hose to your 4" Exhaust Tips! SOLD EACH...
Idler Pulley Indmar OEM 551246
32%
$65.00 $95.48
Idler Pulley Indmar OEM 55-1246
Hose Exhaust Hose Softwall No Wire 3-1/2 Inch I.D. 116-200-3124 Hose Exhaust Hose Softwall No Wire 3-1/2 Inch I.D. 116-200-3124
20%
$35.00 $43.65
Exhaust Hose Softwall No Wire 3.5" ID 3-1/2" I.D. Shield's Brand - Replaces NLA MPI-200-3120 Great for short straight applications! Shield's® 200-3124 Sold per foot - Enter...
Water Pump Raw Water Fead Mount | OEM Ilmor MV8V-1072-CHARCOAL
25%
$449.99 $599.95
Original Ilmor Water Pump | OEM Ilmor MV8V-1072-CHARCOAL For All Open Cooled Engines Except 7.4L. Available in charcoal only. COMPATIBLE WITH THE FOLLOWING ENGINES 5000MPI...
Water Pump Pulley V Belt | OEM Indmar 55-1240
6%
$174.00 $185.75
Original Indmar Water Pump Pulley for V-Belts Water pump pulley for use with single vee belt.
Cam For Sherwood Pump | Sherwood 10944
20%
$84.95 $105.99
Replacement impeller cam for various Sherwood seawater pumps. Sherwood raw water pump large cam For specific Sherwood engine cooling pumps used on various Chris Craft,...
Crusader Center Rise GM Small Block Exhaust Manifold | Barr CR-1-98243 Crusader Center Rise GM Small Block Exhaust Manifold | Barr CR-1-98243
25%
$575.00 $771.00
Crusader center rise manifold fits port and starboard side Crusader GM 5.0L & 5.7L marine engines. For Crusader CM305XL, CM350XL & CM350HT model engines Interchangeable...
3-1/2 Inch Exoflex Exhaust/Water Hose | Sierra 116-254-3120-1
19%
$38.50 $47.64
Exhaust Hose Corrugated With Wire 3-1/2" Inside Diameter 3.5" I.D. Shield's® Brand Exoflex® Sold per foot Example - Enter quantity of 5 for one continuous five...
Mercury Impeller | Sierra 18-3056
23%
$23.00 $29.99
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser Alpha I Gen II stern drives. Sierra Mercury impeller For Mercruiser Alpha 1 Gen II...
Gasket Exhaust Manifold Ilmor OEM MV8V-1057
7%
$13.99 $15.00
OEM  ILMOR - MV8V-1057 Exhaust Manifold Gasket Ilmor engine Gasket MV8V-1057 Is what goes between the engine head and the manifold. Make sure you torque...
Ilmor Exhaust Manifold | Starboard PE01569 Charcoal Color Ilmor Exhaust Manifold | Starboard PE01569 Charcoal Color
2%
$2,495.00 $2,539.99
OEM  ILMOR - PEO01569 STARBOARD Ilmor Exhaust Manifold | Starboard PE01569 | Starboard Only! Colors available: Charcoal - This is the Charcoal Color - Click on...
Ilmor Exhaust Manifold | Starboard PE01569 Silver Color Ilmor Exhaust Manifold | Starboard PE01569 Silver Color
2%
$2,495.00 $2,539.99
OEM  ILMOR - PEO01569 STARBOARD Ilmor Exhaust Manifold | Starboard PE01569 | Starboard Only! Colors available: Silver - This is the Silver Color - Click...
Ilmor Exhaust Manifold | Starboard PE01569 Blue Color Ilmor Exhaust Manifold | Starboard PE01569 Blue Color
2%
$2,495.00 $2,539.99
OEM  ILMOR - PEO01569 STARBOARD Ilmor Exhaust Manifold | Starboard PE01569 | Starboard Only! Colors available: Blue - This is the Blue Color - Click...
Ignition Coil | Crusader R117012
8%
$174.00 $188.46
Crusader 8.1L ignition coil 8.1L Ignition Coil Replaces Mercury/Mercruiser 392-881732 Replaces Volvo Penta 3861267 Works great on the PCM 8.1L PYTHON 496 !
Decal PCM For Small Block Engine Manifold OEM PCM R143002A Decal PCM For Small Block Engine Manifold OEM PCM R143002A
19%
$12.89 $15.99
OEM Pleasurecraft Marine DECAL for center rise exhaust manifold PCM exhaust manifold. Sold Each. The R028009 manifold used to come with raised letters cast into...
Oil Filter | Volvo Penta 23658092 Oil Filter | Volvo Penta 23658092
11%
$31.00 $34.72
Original Volvo Standard oil filter used on various Volvo Penta diesel engines. Fits Volvo Penta D9, D11, D12, D16, D162, D163, and D165 series diesel...
Diesel Engine Oil Filter | Volvo Penta 21707132
6%
$27.05 $28.90
Original Volvo Bypass oil filter used on many Volvo Penta diesel engines. Volvo Penta oil filter Fits Volvo Penta D9, D11, D12, D16, D162, D163,...
Pulley Crankshaft 5.7 Serpentine Aluminum Crusader PCM OEM R065051A Pulley Crankshaft 5.7 Serpentine Aluminum Crusader PCM OEM R065051A
17%
$210.84 $253.01
Crankshaft pulley Aluminum PCM Crusader 5.7L R065051A 2004 & Up  PCM Crank Aluminum Crank Pulley 5.7 Serpentine Replaces the R065051 Steel Pulley  
Items 1025 to 1056 of 1420 total