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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Mercruiser Gen II Water Pump Kit | Sierra 18-3147
$147.71 $175.19
Sierra replacement water pump kit for Mercruiser Alpha I Gen II stern drives. Sierra Mercruiser water pump kit For Mercruiser Alpha I Gen II stern...
Serpentine Belt | Sierra 18-15121 Replaces Merc.
$88.20 $116.59
OEM Belt Serpentine Belt Sierra Brand Serpentine Belt 13/16 inches wide 87.5 inches long Replaces Mercury 57-865615005, 57-865615Q05
Sparkplug Wire Set Black Scorpion | United Marine 222
$85.00 $101.13
Sparkplug Wire Set Black Scorpion United Marine 222 Replaces Quicksilver 863656A03
Pulley Crankshaft 5.7 Serpentine Aluminum Crusader PCM OEM R065051A Pulley Crankshaft 5.7 Serpentine Aluminum Crusader PCM OEM R065051A
$253.02
Crankshaft pulley Aluminum PCM Crusader 5.7L R065051A 2004 & Up  PCM Crank Aluminum Crank Pulley 5.7 Serpentine Replaces the R065051 Steel Pulley  
Fuel Line Crossover Hose OEM Indmar 78-6129 Fuel Line Crossover Hose OEM Indmar 78-6129
$103.60 $111.57
Indmar Crossover Fuel Line Indmar OEM
Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813 Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813
$6.43 $7.00
Gasket seals both sides of Mercruiser center rise exhaust manifold/riser restrictor plate. For Mercruiser center rise exhaust manifolds in raw water cooled applications with weep...
Hose Water Hose No-Wire Soft Wall 1-1/2" I.D. Shield's Brand - OEM 116-200-1120-1
$16.90 $17.90
Water Hose NO WIRE Soft Wall 1-1/2 Inch Inside Diameter Shields Brand 1 1/2 in. ID softwall marine exhaust/water hose 1 15/16 in. outside diameter...
Adaptor Exhaust Inner Sleeve OEM PE00979 Adaptor Exhaust Inner Sleeve OEM PE00979
$95.00 $108.95
Ilmor 5.7L engine exhaust inner sleeve adapter. OEM PE00979 This sleeve is compatible with the following: MV8 5.7L MV8 5.7L OPS MV8 6.0L MV8 6.0L...
Hose Water Hose Wire Reinforced 1/2" I.D. Sheild's Brand 116-250-0120-1
$9.99 $11.10
Water Hose Wire Reinforced 1/2 Inch Inside Diameter MPI Hose Fits Indmar, PCM, Mercruiser & others Sold per foot - For 2 feet, order 2,...
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
$496.75 $697.22
Mastercraft Muffler - 2014 5.7L ULTRA-2500391 Part# 2500391 Fits Port OR Starboard Side SOLD EACH Main Barrel is 4" Diameter - 28" not including inlet...
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OEM 6.0 liter CME Water Pump Kit RK057033C Supersedes Part Number RA057033
Impeller Kit Neoprene Impeller Kit Jabsco 17018-0001-P
$78.52 $91.43
Original Jabsco impeller fits various Caterpillar, Volvo Penta, & Mercruiser diesel marine engine cooling pumps. Neoprene impeller material for water pumping applications Includes gasket, o-ring,...
Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048 Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048
$51.48 $55.44
Formed Hose 3 inch to 3.5 inch diameter formed exhaust hose with stops. High temperature bump hose with stops. The style of hose with the...
Chrysler 160 Degree Thermostat Sierra 18-3645
$27.00 $32.69
Thermostat Chrysler 160 Degree Thermostat 160 Degrees Used on all Chrysler V8 engines with a Carter carburetor From 1975 to 1985 Replaces Chrysler 3514177
Thermostat Housing Gasket Chrysler 0050082E
$4.35
GASKET THERMOSTAT SIERRA® 18-0878-9 Used on Chrysler small block & big block marine engines 1968 to 1985 Replaces Chrysler 3830016
Mallory V8 Flat Cap Tune-Up Kit 18-5272
$124.00 $137.29
Crab style Mallory Tune Up Kit Mallory Tune-Up Kit For Mallory V-8 flat cap side terminal single point distributors Includes distributor cap, rotor, points, and...
O-Ring Kit For Fuel Injectors 10 Pack OEM Indmar 55-6041
$76.35 $82.22
Fuel Injector O-ring kit for GM 3 bar and 4 bar fuel injectors. OEM INDMAR 556041
Oil Line - Transmission Oil Line 17 Inches Long With Locking Sleeve OEM 845028-170S
$36.70 $39.52
ORIGINAL INDMAR 17" Transmission Oil Line with Locking Sleeve HOSE ASM, TRANY COOLER 17" W/SLEEVE LOCKING
Electric Choke Assembly Holley 45-258
$79.00 $89.95
Holley OEM Replacement electric choke cap with cap gasket for Holley model 2300, 4150, 4160, 4010 & 4011 carburetors. Original Holley Electric Choke Cap Kit,...
Manifold Gasket Armored Airgap Gasket Gen 3 76-1501
$15.18 $16.35
GASKET EXHAUST EXT. armored airgap gasket for Gen 3 engine OEM Indmar  
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