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.

Scroll down for all Engine Items

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MPI Exhaust Hose Hard Wall 2" Inch Inside Diameter Hose MPI Brand 100-2000 Sold Per Foot 2 in. ID hardwall marine exhaust/water hose 2 13/32...
5/8-Inch #1300 Water Heater Hose Sierra 116-130-0586
$3.68 $4.68
Shields 130 Series Softwall Marine Water Hose 5/8" I.D. SHIELD'S Brand 116-130-0586-1 - 5/8 in. ID 1350 heavy duty water hose Sold per foot -...
Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018 Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018
$340.92
OEM Crusader Flywheel mounted transmission damper plate by Centa fits 6.0L and 8.1L Crusader GM engines with ZF/Hurth, Velvet Drive 5000 and Liberty series transmissions. M10...
Manifold to Cylinder Head Bolt - 3/8-16 x 1-1/2 Crusader 90348150
$2.25
Used to mount Crusader MP5.7 and MP7.4 center style exhaust manifold to cylinder head. Replaces Crusader 21307 and 186628 If you need the other, Gold...
Wire Harness Adaptor Original PCM# RA121094
$83.08
CRUSADER ADAPTER HARNES OEM RA121094
Wire Set Spark Plug V6 Prestolite Spark Plug Wire Set United Marine UIW-117
$56.91 $72.00
Prestolite V6 Spark Plug Wire Set Prestolite V6 marine spark plug wire set For Crusader V6 4.3L 262 engines from 1983-88 with Prestolite ignitions For...
Tune Up Kit V6 Prestolite Screw Down Type Sierra® 18-5276
$52.05 $69.99
Tune-up kit includes cap, rotor, points, and condenser for V6 Prestolite distributors using two screws to attach cap to distributor housing. For Prestolite V-6 single...
Thermostat Retro Kit Gen 5 - H5-H6-ZR4 OEM RF026010-02A Thermostat Retro Kit Gen 5 - H5-H6-ZR4 OEM RF026010-02A
$51.28
Thermostat and gasket, and O-ring for PCM ZR4, H5 and H6  
Fiberglass Exhaust Reducer 3.5 Inch to 4 Inch Centek Industries 1200222
$110.00 $132.12
3.5 inch to 4 inch Fiberglass Exhaust Reducer Centek Industries 1200222 SOLD EACH 3.5" to 4" Fiberglass Exhaust Reducer Connects 3.5 in. inside diameter hose...
Mercruiser Riser Block Off Plate Barr Marine OEM MC-20-55730
$24.45 $27.50
Replacement stainless steel block off plate for various Mercruiser closed cooled engines. Barr Mercruiser stainless steel block off plate For use with 60426A1, 76351A1, and...
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Water - Exhaust Hose Wire Reinforced 2" Inch Inside Diameter Hose NO LONGER AVAILABLE - CLICK HERE FOR UPGRADED 254 SERIES HOSE Features a corrugated exterior and...
Throttle Position Sensor TPS GM PCM OEM R020041 Throttle Position Sensor TPS GM PCM OEM R020041
$123.48
Throttle Position Sensor, TPS - PCM OEM R020041 FITS PCM AND INDMAR Not for 06 up Drive By Wire Multi-wire plug-in Original Crusader Replaces Crusader 49061 Replaces Holley 9920-104...
Bell Housing PCM GM 5.0L - 8.2L GM OEM R142015E
$345.10
BELL HOUSING 6.0-6.2L ONLY Replaces Crusader R142014 Replaces Pleasurecraft Marine R142014
Spark Plug Set LT4 OEM PCM RP030014 Spark Plug Set LT4 OEM PCM RP030014
$157.61
OEM Pleasurecraft Marine PCM LT 4 Spark Plugs Set of 8
Intake Gasket GT 40 Upper Intake Gasket OEM PCM-RM0236
$60.19
Upper Intake Gasket GT 40 OEM PCM-RM0236 Replaces OMC/Johnson/Evinrude 3853636 Replaces Volvo Penta 3853636
Cam Screw For Raw Water Pump Sherwood G21 OEM# R175042
$15.00 $18.00
CAM Screw For Sherwood G21 Raw Water Pump ONLY! This is the silver screw that holds the cam that squashes the impeller. The hose connectors...
Crusader 8 Inch Riser Mounting Package Barr Marine CR-20-97169P
$57.78 $69.00
Mounting package for Crusader 97169 exhaust riser includes needed gaskets, studs, nuts & washers. Barr Crusader riser hardware kit For Crusader 97169 & Barr CR-20-97169...
Mercruiser 2 Piece Sea Water Pump Sierra 18-3600
$480.73 $757.09
Direct replacement Bravo style raw water pump for Mercruiser V8 marine engines with 2 piece pump housing & V-belt. Sierra Mercruiser Bravo raw water pump...
Seal for Thermostat OEM PCM R047011
$27.49
Seal for Thermostat OEM PCM R047011
Fuel Pump Assembly Mechanical Mercruiser 7.4L & 8.2L Marine OEM Quicksilver
$350.99
Mechanical fuel pump for Mercruiser 7.4L & 8.2L marine engines. Fits Mercruiser GM V8 454 & 502 cu. in. engines Includes mounting gasket Replaces Mercrusier...
Fuel Pump Assembly Mechanical Mercruiser 7.4L & 8.2L Marine Sierra® 18-8860
$172.50 $237.59
Mechanical fuel pump for Mercruiser 7.4L & 8.2L marine engines. Fits Mercruiser GM V8 454 & 502 cu. in. engines Includes mounting gasket Replaces Mercrusier...
Fuel Control Cell PCM Crusader 6.0L RA080030A Fuel Control Cell PCM Crusader 6.0L RA080030A
$905.40
Crusader fuel control cell (FCC) used with Crusader 6.0 and 8.1 liter engine models that have a returnless injector rail and return line to the...
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NLA - CLICK HERE For the replacement. Electronic ignition kit includes new distributor assembly, ignition coil, spark plug wire set, and wiring harnesses needed to...
GM V8 EST Electronic Distributor Kit United Ignition Wire GMESTV8
$597.71 $906.66
Electronic spark timing EST style replacement ignition kit for GM small and big block marine engine applications. Delco EST Replacement Billet Distributor Kit Fits GM...
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