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.

BELTS

BLOCK RELATED PARTS

BRACKETS

CARBURETION - FUEL

COOLING SYSTEM

ENGINE DRAINS

ELECTRIC – TUNE UP

ENGINE MOUNTS

ENGINE PULLEYS

ENGINE SEALS

EXHAUST

ILMOR MASTERCRAFT

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Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009

13%

$90.59 ~~$103.68~~

Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009

$90.59 ~~$103.68~~

NGK-7164 Iridium 8.1L Spark Plug Set TR55IX Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L Premium NGK spark plugs are known for their reliable performance and...

Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003

44%

$33.05 ~~$58.76~~

Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003

$33.05 ~~$58.76~~

NGK Premium Spark Plug Set NGK-YR5-7052 V-POWER Replaces PCM RP030003 Includes 8 Plugs Standard Non-Vortec Replaces MR43T These plugs are for Non-Vortec heads around 1996...

Starter Mounting Bolt Kit ARCO-MBK450 Size 4-3/8

$27.00 ~~$28.01~~

Starter Mounting Bolt Kit ARCO-MBK450 Size 4-3/8

$27.00 ~~$28.01~~

ARCO Quality Marine Starter Mounting Bolt Kit For the Item# ARCO-30433 Starter Mounting Bolt Kit MBK450 Mounting bolt kit for gear reduction starters Fits AR30470 starter...

Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008

13%

$260.60 ~~$298.37~~

Starter Right Hand Clockwise GM Top Mount ARCO 30456 Replaces PCM RA122008

$260.60 ~~$298.37~~

ARCO Quality Marine Starter for GM RIGHT Hand Rotation "Opposite Rotation" Engines New inboard 12 volt starter For non-automotive, right hand rotation engines High-performance large housing Fits...

Fuse Holder In-Dash Panel Mount Sierra FS45430

48%

$4.95 ~~$9.49~~

Fuse Holder In-Dash Panel Mount Sierra FS45430

$4.95 ~~$9.49~~

Twist cap fuse holder, for panel mount dashes up to 5/16" thick Uses 1/4" X 1-1/4" fuses, commonly used on older Mastercraft Boats Fuse Holder...

Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049

$78.41 ~~$86.36~~

Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049

$78.41 ~~$86.36~~

OEM Oil Pressure Sending Digital PCM 2007 & up R020049 For PCM 2007& Up that has 3 wire snap in connector 2007 PCM 5.7L Serial Numbers: 480001 &...

Ignition Coil Accel Indmar Carbureted GM With Delco Distributor

10%

$108.00 ~~$119.82~~

Ignition Coil Accel Indmar Carbureted GM With Delco Distributor

$108.00 ~~$119.82~~

ACCEL IGNITION COIL For Indmar Carbureted GM with Delco Distributor Remote HEI Super Coil, E-core, Square, Epoxy, Black/Yellow, 48,000 V, GM

Crank Position Sensor Indmar 5.7L 350 Indmar 55-6293

15%

$204.00 ~~$239.22~~

Crank Position Sensor Indmar 5.7L 350 Indmar 55-6293

$204.00 ~~$239.22~~

OEM Crank Position Sensor Indmar 5.7L 350 556293 This was used on boats with HVS ignition system 2006 and newer Monsoon - Hammerhead engines Replaces...

Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014

29%

$46.95 ~~$65.82~~

Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014

$46.95 ~~$65.82~~

OEM Crusader engine temperature switch for PROTEC Water Temperature Switch – 3/8 inch NPT – PCM EEMS Pro Tec Ignition to 1995 PCM EEMS Pro...

Map Sensor - GM And LT1 TBI OEM

$125.00 ~~$132.54~~

Map Sensor - GM And LT1 TBI OEM

$125.00 ~~$132.54~~

OEM Map Sensor for GM & LT1 Original Crusader manifold absolute pressure sending unit send air flow measurements to the ECM. GM Throttle Body Injection...

Idle Air Controller For TBI And LT1 OEM

18%

$216.53 ~~$262.81~~

Idle Air Controller For TBI And LT1 OEM

$216.53 ~~$262.81~~

Throttle Body Injection Idle Air Controller OEM Version For GM 1994 and up TBI & LT1 Corvette Engine Indmar Indmar old PT # 55-6085 Also...

Alternator Kit 100 Amp Retro Fit 5.7L Engine RF097009B

10%

$443.00 ~~$493.85~~

Alternator Kit 100 Amp Retro Fit 5.7L Engine RF097009B

$443.00 ~~$493.85~~

100 Amp Alternator Retrofit Kit 5.7L GM For 5.7L Engines PCM conversion from a Delco 70 amp to ths new 100 amp Retro fit kit! Upgrade...

Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281

24%

$44.05 ~~$57.89~~

Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281

$44.05 ~~$57.89~~

Sierra Distributor Cap & Rotor 18-5281 Tune-up kit includes cap & rotor for GM V8 marine engines with Delco EST HEI module-in-cap distributors For V8...

Distributor Mallory All GM Electronic Left Hand Engines PCM# RA107039M -18-5494-2

21%

$625.00 ~~$788.99~~

Distributor Mallory All GM Electronic Left Hand Engines PCM# RA107039M -18-5494-2

$625.00 ~~$788.99~~

All GM 305, 350, 454, left hand rotation engines. Also works on older, right hand GM engines, around 1994 and prior, that use Left Hand gears...

ETA Breaker Switch 20 AMP Thermal - Ignition - Main

30%

$30.00 ~~$42.95~~

ETA Breaker Switch 20 AMP Thermal - Ignition - Main

$30.00 ~~$42.95~~

ETA BREAKER - SWITCH 20 AMP - 2-5700-IG1-P10-DD-20A Correct Craft & Supra Dashes Push-On Spade Terminal Connector Combination Switch & Breaker Combination switch/circuit breakerUsed on dash of...

ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory

25%

$35.00 ~~$46.95~~

ETA Breaker Switch 10 AMP Thermal- Navigation Lights-Anchor-Accessory

$35.00 ~~$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...

Circuit Breaker 20 Amp Push Button 2139

16%

$54.36 ~~$65.06~~

Circuit Breaker 20 Amp Push Button 2139

$54.36 ~~$65.06~~

20 Amp Medium Duty Push Button Circuit Breaker Reset-only 20A circuit breaker is ideal for many DC & AC circuit protection applications that do not...

Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650

20%

$195.80 ~~$244.66~~

Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650

$195.80 ~~$244.66~~

This switch and relay completely separates the batteries for independent use or will allow you to combine them for emergency starting! Great addition and good...