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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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ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory
ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory
$39.00 $46.95
ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory
$39.00 $46.95
ETA BREAKER - SWITCH 10 AMP Correct Craft & Supra Dashes Push-On Spade Terminal Connector Combination Switch & Breaker Combination switch/circuit breakerUsed on dash of Correct...
Gasket Set Thermostat Housing Service Kit Mercruiser GM OEM 18-1989K
Gasket Set Thermostat Housing Service Kit Mercruiser GM OEM 18-1989K
$18.00 $22.99
Gasket Set Thermostat Housing Service Kit Mercruiser GM OEM 18-1989K
$18.00 $22.99
Thermostat housing service kit for late model Mercruiser engines. Includes all gaskets & thermostat sleeve Sierra thermostat service kit Includes gaskets 18-2917, 18-2844 & 18-2554 Service...
Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt
Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt
$12.10 $13.03
Pulley Alternator Mando 51-55 Amp Alternator Pulley V-Belt
$12.10 $13.03
Alternator 55A V-Belt Pulley Mando Alternator Pulley Fits all 51 and 55 amp v-belt alternators with V-Belt Pulley measures 2-11/16" In Diameter Pulley Measures 1-1/16" Thick...
6" Fuel Tank Sender Stainless Steel
6" Fuel Tank Sender Stainless Steel 6" Fuel Tank Sender Stainless Steel
$37.03 $74.18
6" Fuel Tank Sender Stainless Steel
$37.03 $74.18
6" Length - 7" Tank Depth - Reed Switch Sending Unit Boats with 7" depth tanks.SAE 5 Hole Pattern (240-30 ohms).Will NOT replace 3 wire...
Impeller Kit GM Mercruiser Single Flat D-Shaped Shaft 18-3309
Impeller Kit GM Mercruiser Single Flat D-Shaped Shaft 18-3309 Impeller Kit GM Mercruiser Single Flat D-Shaped Shaft 18-3309
$43.05 $51.19
Impeller Kit GM Mercruiser Single Flat D-Shaped Shaft 18-3309
$43.05 $51.19
FULL REPAIR KIT! Gaskets Included! Single Flat D Shaped Shaft Includes: 18-0386 Water Pump Body Gasket 18-3087 Impeller 18-3350 Wear Plate 18-3351 Wear Plate Includes impeller, wear...
Impeller Kit Double Flat Shaft Mercruiser Bravo Sierra Brand 18-3016-1
Impeller Kit Double Flat Shaft Mercruiser Bravo Sierra Brand 18-3016-1
$34.00 $37.69
Impeller Kit Double Flat Shaft Mercruiser Bravo Sierra Brand 18-3016-1
$34.00 $37.69
IMPELLER KIT This impeller has a flat on each side of the shaft. Includes Seal! Aftermarket direct replacement impeller for Mercruiser Bravo marine engines with...
Raw Water Pump Crusader PCM Belt Driven Sherwood PCM# RA057031
Raw Water Pump Crusader PCM Belt Driven Sherwood PCM# RA057031
$1,110.90
Raw Water Pump Crusader PCM Belt Driven Sherwood PCM# RA057031
$1,110.90
Sherwood direct replacement bronze sea water pump for Crusader RA057031 XCLBR 2002 - 2004 P101 & P105  Sherwood Engine Specified sea water pump Pulley driven...
Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034
Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034 Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034
$894.06
Raw Water Pump Crusader PCM 5.7L & 5.0L Serpentine PCM# RA057034
$894.06
For PCM Excalibur, Pro Sport 5.0 with serpentine belt Crusader RA057034 Raw Water Pump. Block mounted raw water pump used on some Crusader 5.7L MPI...
Thermostat 160 Degree With O-Ring PCM Closed Cooling 5.0 & 5.7 MPI OEM RP026002F
Thermostat 160 Degree With O-Ring PCM Closed Cooling 5.0 & 5.7 MPI OEM RP026002F
$49.88
Thermostat 160 Degree With O-Ring PCM Closed Cooling 5.0 & 5.7 MPI OEM RP026002F
$49.88
160 degree thermostat used on late model PCM - Crusader fresh water cooled marine engines For 2002 & 2003 5.0 & 5.7 Fresh Water Cooled...
Fuel Water Separator Kit 10 Micron Complete With Spin On Filter 18-7982-1
Fuel Water Separator Kit 10 Micron Complete With Spin On Filter 18-7982-1 Fuel Water Separator Kit 10 Micron Complete With Spin On Filter 18-7982-1
$41.69 $51.69
Fuel Water Separator Kit 10 Micron Complete With Spin On Filter 18-7982-1
$41.69 $51.69
Fuel Water Separating Kit COMPLETE KIT INCLUDING FILTER! Kit includes 10 micron 18-7945 fuel water filter, 18-7853-1 aluminum mounting bracket, and (2) 1/4 inch NPT...
Water Pump - Raw Water MPI | MV8V-1121-CHARCOAL
Water Pump - Raw Water MPI | MV8V-1121-CHARCOAL Water Pump - Raw Water MPI | MV8V-1121-CHARCOAL
$1,118.00
Water Pump - Raw Water MPI | MV8V-1121-CHARCOAL
$1,118.00
Original Ilmor Water Pump | OEM Ilmor MV8V-1121-CHARCOAL Ilmor water pumps hold the impeller for you MasterCraft boat engines. The seals will wear out and...
Camshaft Position Sensor HVS | OEM Indmar 55-6350
Camshaft Position Sensor HVS | OEM Indmar 55-6350 Camshaft Position Sensor HVS | OEM Indmar 55-6350
$185.00 $192.32
Camshaft Position Sensor HVS | OEM Indmar 55-6350
$185.00 $192.32
OEM HVS Cam Position Sensor Indmar Indmar 55-6350 Hall effect camshaft position sensor used in GM HVS distributors Used in 4.3L, 5.0L and 5.7L engines...
Gasket Exhaust Manifold Circle 6.2L Ford Non-Indexing Flange | OEM Indmar 59-7048
Gasket Exhaust Manifold Circle 6.2L Ford Non-Indexing Flange | OEM Indmar 59-7048
$4.71 $5.07
Gasket Exhaust Manifold Circle 6.2L Ford Non-Indexing Flange | OEM Indmar 59-7048
$4.71 $5.07
Non-Indexing | GASKET EXHAUST ARMORED ELBOW 6.2L FORD NON - INDEXING FLANGE! STAINLESS STEEL Groove at the flange of the manifold for the CAT section...
Tensioner Wheel LT-1 | LTR OEM Indmar 55-6059
Tensioner Wheel LT-1 | LTR OEM Indmar 55-6059
$184.05 $195.92
Tensioner Wheel LT-1 | LTR OEM Indmar 55-6059
$184.05 $195.92
Belt tensioner wheel for LT-1 and LTR marine engines.
Idler Pulley Indmar OEM 551246
Idler Pulley Indmar OEM 551246
$25.29 $27.23
Idler Pulley Indmar OEM 551246
$25.29 $27.23
Idler Pulley Indmar OEM 55-1246
Decal PCM For Small Block Engine Manifold OEM PCM R143002A
Decal PCM For Small Block Engine Manifold OEM PCM R143002A Decal PCM For Small Block Engine Manifold OEM PCM R143002A
$12.45
Decal PCM For Small Block Engine Manifold OEM PCM R143002A
$12.45
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...
8.1 liter SparkPlug Wire Set Volvo Penta OEM 3861295
8.1 liter SparkPlug Wire Set Volvo Penta OEM 3861295 8.1 liter SparkPlug Wire Set Volvo Penta OEM 3861295
$87.29 $96.30
8.1 liter SparkPlug Wire Set Volvo Penta OEM 3861295
$87.29 $96.30
8.1L Spark Plug High Performance Wire Set OEM VOLVO Ignition Cable Kit Replaces Crusader RK120019 Replaces Indmar 756003 Replaces Mercury 84-881698 Replaces Pleasurecraft Marine RK120019...
Gasket, Heat Exchanger End Cap 4" Rubber OEM RM0166
Gasket, Heat Exchanger End Cap 4" Rubber OEM RM0166 Gasket, Heat Exchanger End Cap 5" Rubber OEM RM0167
$7.00
Gasket, Heat Exchanger End Cap 4" Rubber OEM RM0166
$7.00
Heat Exchanger Rubber End Cap - 4 Inch NO LONGER AVAILABLE - CLICK HERE FOR THE SUBSTITUTE OEM PCM CRUSADER RM0166 - Number 9 in...
Oil Cooler Formed Hose OEM Crusader R045106
Oil Cooler Formed Hose OEM Crusader R045106
$31.44
Oil Cooler Formed Hose OEM Crusader R045106
$31.44
Formed Hose HOSE Original Crusader 1-1/2 Inch Formed Hose 90 degree Crusader R045106
Anode Zinc With Blue Drain Plug V-Drive Transmission New Style Indmar OEM 49-5602
Anode Zinc With Blue Drain Plug V-Drive Transmission New Style Indmar OEM 49-5602 Anode Zinc With Blue Drain Plug V-Drive Transmission New Style Indmar OEM 49-5602
$40.91 $44.06
Anode Zinc With Blue Drain Plug V-Drive Transmission New Style Indmar OEM 49-5602
$40.91 $44.06
NEW STYLE Original Indmar 49-5602 with hole in the middle and a blue drain plug Pencil Anode Drain Plug Anode Zinc Indmar Drain Plug Anode Zinc...
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
$1.26 $1.36
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
$1.26 $1.36
Screw For Indmar Bell Housing Starter-Dust Cover  Indmar 565300Q Bolt size is 7/16-14 X 1 HHCS Original Indmar SP 25 Flare Head Screw SOLD EACH...
5/8 Inch ID Water Hose Water | Heater Hose Heavy Duty #1350 Hose SIERRA-116-135-0586B
5/8 in. 1350 Heavy Duty Water/Heater Hose 50 ft. SIERRA-116-135-0586B
$3.45 $3.64
5/8 Inch ID Water Hose Water | Heater Hose Heavy Duty #1350 Hose SIERRA-116-135-0586B
$3.45 $3.64
Shields 135 Series Softwall Marine Water-Heater Hose 5/8" I.D. SHIELD'S Brand 116-135-0586 Sold per foot - Price is per foot 5/8 in. ID 1350 heavy...
Dual Station Temperature Sender 1/2-14 Inch NPT Sierra 18-5898
Dual Station Temperature Sender 1/2-14 Inch NPT Sierra 18-5898
$26.50 $29.69
Dual Station Temperature Sender 1/2-14 Inch NPT Sierra 18-5898
$26.50 $29.69
Engine temperature sending unit sends signal from 1 engine to 2 separate temperature gauges. Dual station 1/2 inch NPT thread size 10-32 stud terminal Works...
Fuse Link 150 AMP - 51 Inches PCM - Original Item R153022
Fuse Link 150 AMP - 51 Inches PCM - Original Item R153022
$103.95
Fuse Link 150 AMP - 51 Inches PCM - Original Item R153022
$103.95
FUSE LINK 150A 51 INCHES Fuse Link 150 amp fused wire
Fuel Pump FCC Fuel Control Cell 5.0 & 5.7 OEM RA080034
Fuel Pump FCC Fuel Control Cell 5.0 & 5.7 OEM RA080034 Fuel Pump FCC Fuel Control Cell 5.0 & 5.7 OEM RA080034
$995.44
Fuel Pump FCC Fuel Control Cell 5.0 & 5.7 OEM RA080034
$995.44
OEM modular FCC fuel control cell assembly with built in low pressure pump fits Crusader 5.0L & 5.7L MPI marine engines and replaces the earlier...
Pressure Relief Spring OEM Crusader 96686
Pressure Relief Spring OEM Crusader 96686
$8.51
Pressure Relief Spring OEM Crusader 96686
$8.51
Spring for pressure relief valve assembly used on various Crusader raw water cooled engines. Fits Crusader V6 model 165 3.8L & 4.3L raw water cooled...
Pressure Relief Valve OEM Crusader 96066
Pressure Relief Valve OEM Crusader 96066
$3.95
Pressure Relief Valve OEM Crusader 96066
$3.95
Pressure relief valve used on many Crusader raw water cooled engines. Fits Crusader V6 model 165 3.8L & 4.3L raw water cooled marine engines Fits...
Pressure Relief Seat OEM Crusader 96065
Pressure Relief Seat OEM Crusader 96065
$3.68
Pressure Relief Seat OEM Crusader 96065
$3.68
Seat for pressure relief valve assembly used on various Crusader raw water cooled engines. Fits Crusader V6 model 165 3.8L & 4.3L raw water cooled...
Mercruiser Small Block GM V8 Thunderbolt Pre-Vortec Tune-Up Kit MMD M57TBOLT
Tune Up Kit Mercruiser Small Block <b>Pre-Vortec</b> Thunderbolt Complete Tune Up Kit MMD-M57TBOLT
$156.85 $164.04
Mercruiser Small Block GM V8 Thunderbolt Pre-Vortec Tune-Up Kit MMD M57TBOLT
$156.85 $164.04
Comprehensive kit includes the items needed to tune-up Pre Vortec Mercruiser Small Block V8 GM engines with Thunderbolt ignition system. Normal annual maintenance items including...
Adjustable GM Alternator Strap Pleasurecraft Marine R099009
Adjustable GM Alternator Strap Pleasurecraft Marine R099009
$17.88
Adjustable GM Alternator Strap Pleasurecraft Marine R099009
$17.88
ALTERNATOR ADJUSTMENT STRAP BRACKET Original PCM R099009 305 & 350 Engines Used with part number R090075 Alternator Bracket - click HERE
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
$38.00 $46.52
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
$38.00 $46.52
Replacement CORSA branded Salisbury style exterior flapper. Salisbury 4 in. Flapper with Hose Clamp Replaces Corsa Performance 10072 Sold individually - Sold Each
Idler Pulley 8.1L Idler Pulley OEM R065040
Idler Pulley 8.1L Idler Pulley OEM R065040 Idler Pulley 8.1L Idler Pulley OEM R065040
$45.95 $50.95
Idler Pulley 8.1L Idler Pulley OEM R065040
$45.95 $50.95
Idler Pulley 8.1L Idler Pulley 8.1L Idler Pulley
Items 641 to 672 of 1509 total