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

Wire Set Spark Plug GM V-6 Conventional Ignition United Marine UIW-107
$59.05 $69.66
V6 GM Spark Plug Wire Set United Ignition Wire 107 Custom tailored 8mm spark plug wire set for GM V6 engines using conventional ignition systems...
Belt Serpentine Belt For Indmar 6.0L, LY6, LS-2, LS-3, LQ-9  R066043 - 25-060760 Belt Serpentine Belt For Indmar 6.0L, LY6, LS-2, LS-3, LQ-9  R066043 - 25-060760
$44.00 $55.59
Belt  Belt Serpentine Belt Indmar 6.0L, LY6, LS-2, LS-3, LQ-9 Napa Gold FOR OEM BELT - CLICK HERE Serpentine belt for Indmar 6.0L marine engines...
Filter Water Fuel Separator Filter Indmar Sierra 10 Micron OEM 18-7989
$11.00 $11.29
Fuel/Water Separator Filter Sierra® Brand Replaces INDMAR 63-6127 - For OEM - CLICK HERE 3-1/2" Tall Sierra 18-7989 SX fuel/water separating filter Protects marine engines...
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
$41.17 $44.34
Exhaust Drain Hose Tee OEM Indmar 605904 Plastic T that fits 5/8" hose with threaded drain hole For Plastic Tee Fitting - CLICK HERE For...
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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
$381.95 $420.95
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
Fuel Filter Assembly Johnson-Evenrude 10 Micron BRP 5012363
$17.32 $19.55
Replacement spin-on fuel filter for Evinrude - Johnson Replaces BRP 5009676, 5011090
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...
Exhaust Manifold V8 Gasket Set MerCruiser GM Small Block OEM MC-47-27-33395A2
$41.44 $44.63
Gasket set for mounting a Mercruiser log style V8 exhaust manifold  BARR GM Small Block Exhaust Manifold Gasket Set For GM 350 CID engines (5.7L)...
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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...
Spark Plug Wire Set Crusader Prestolite V8 United Marine 201
$75.00 $94.68
Crusader Prestolite V8 Spark Plug Wire Set Crusader V8 Prestolite marine spark plug wire set For Crusader GM V8 engines from 1987-89 with Prestolite screw...
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...
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