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

Aluminum Exhaust Riser 8.1L GM Indmar OEM 53-1077
$621.57 $669.38
Direct Indmar replacement aluminum exhaust riser. Designed for the fuel injected big block 8.1 Liter GM marine engine. Direct Indmar replacement aluminum exhaust riser. Designed...
Riser Shim Plate Stainless Steel Crusader 98124A
$8.29
OEM Winged pass-thru plate for Crusader raw water cooled engines with center rise exhaust manifolds. Crusader exhaust riser pass-thru plate Stainless steel shim located between...
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Fuel Filter - Quicksilver® is temporarily out of stock on this item with a long backorder. 18-7844 - CLICK HERE FOR CORRECT SIERRA REPLACEMENT Fuel/Water...
Pleasurecraft Marine Raw Water Pump Sherwood G21 SHER-G21
$1,030.14
Belt driven seawater pump for cooling PCM Ford small block marine engines.  PCM OEM SHERWOOD G-21 COMPLETE PUMP! ALL PCM FORDS MID 70'S AND UP....
Mount Assembly Rear Mount Trunnion Assembly PCM Velvet Drive OEM RA091003
$167.52
Rear Mount/Trunnion Assembly PCM Velvet Drive For all Velvet Drives 1:1 & 1.52:1 PCM 1:1 transmissions PCM Ford & GM engines
GEN 3 - RAW WATER COOLED - NON CATALYZED 1 PIECE EXHAUST MANIFOLD "L" SERIES CHEVROLET ENGINES PORT SIDE FOR SALT WATER SERIES.
$2,440.00
OEM INDMAR - LQ9 MANIFOLD PORT - LEFT SIDE MANIFOLD RAW WATER COOLED - NOT FRESH WATER COOLED! CLICK HERE For FRESH Water Cooled part number 531296FW GEN 3 -...
Switch Ignition 3 Position Magneto Marine Incl. Mercury Push To Choke
$31.10 $40.09
Push to choke ignition switch with Off - Run - Start positions & 6 color coded wires is designed for Mercury control box applications. Sierra...
CIRCUIT BREAKER 50 AMP BLUE SEA SYSTEMS PUSH BUTTON REPLACES 805011
$68.00 $84.99
50 Amp Blue Sea Systems Push Button Circuit Breaker Replaces Indmar 50-5011  Replaces PCM R153006B Reset-only 50A circuit breaker, found on many marine engines, is used for DC...
DISTRIBUTOR CAP MALLORY V8 FLAT CAP
$84.95 $90.89
Crab style cap fits V8 marine engines with Mallory flat cap distributors. Used with 18-5411 Rotor - Click HERE for ROTOR Mallory V8 Flat Distributor...
GASKET MONO VALVE INDMAR 4 BOLT GASKET FOR INDMAR MONO VALVE OEM
$2.91 $3.14
MONO VALVE GASKET FOR INDMAR MONO VALVE Fits Indmar Monovalve SKU# 55-1391P Original Indmar
Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001 Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001
$60.42
Crusader R119001 Ballast Resistor - OEM CRUSADER - PCM Ballast Resistor Genuine Crusader Replaces Chrysler 4106140 Replaces Pleasurecraft Marine R119001 Replaces Prestolite 32-20 Replaces Crusader...
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$218.90 $273.90
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
Grommet PCV 305 - 350 GM PCM R094015
$3.90
Grommet - PCV Valve for GM 305 & 350 Replaces Crusader 20598 and 7120140
Dipstick PCM Ford 1986 And Up 8-14° PCM R041032A
$6.52
DIPSTICK PCM FORD 1986 AND UP Original PCM R041032A This is the dipstick tube that threads into the side of the pan on a Ford 351 Approximately...
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OIL PAN GM 350 - 305 1986 & UP ORIGINAL PCM R005011 1986 AND UP 5.7, 5.0 GM NOTE: These pans are on a LONG Backorder....
Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs Drain EZ For Engine Block Replaces Indmar Or PCM 1/4" Pipe Plugs
$89.95 $129.99
DRAIN EZ FOR ENGINE BLOCK REPLACES INDMAR OR PCM 1/4" PIPE PLUGS Excellent way to upgrade the way you drain you engine and winterize! Block...
2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050 2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
$521.64 $873.28
MUFFLER MASTERCRAFT 2009 - 2011 4" Inlet with 60° angle 3.5" Outlet with 80° angle Vertical 8.1 Liter 235/245/255/XS OEM 252050 MUFFLER-4 > 3.5 FG...
2008-2012 Muffler Mastercraft Angled 3-1/2" Offset Inlet At 20° Angle Vertical 280-MCX 252002
$472.50 $699.99
Mastercraft Muffler Silent Master for MCX 2008 - 2012 Part# 252002 20 ° Angled 3-1/2" Offset Inlet Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Exhaust Hardware Ford 302 & 351 1 Side Exhaust Hardware Ford 302 & 351 1 Side
$85.00 $105.99
OEM Pleasurecraft Marine complete engine set for ONE side of engine. Either side. Includes bolts for 3" & 3-1/2" riser for one side of engine. Includes...
Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS
$37.60 $41.60
NGK - 4323 Spark Plug Set BR6FS Includes 8 Plugs NGK-BR6FS Direct Cross To MR43T 260 - 270 HP Non Vortec - 454 Standard Fits...
Knock Sensor Flat Response Indmar OEM Item 55-1392
$55.91 $60.21
Indmar Flat Response Knock Sensor  Indmar OEM 2006 & Up Requires 2 Each - One per side of engine Sensor Only - For the Bolt Assembly,...
Wire Set Spark Plug And Coil PCM-Crusader 5.7L CAT Original PCM RK120023
$81.11
OEM PCM Spark Plug Wire Set HVS For HVS For Catalyst Exhaust Ignitions RK120023 HVS Spark Plug Wire Set for PCM  5.7L Catalyst Exhaust EX343 Engines...
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NO LONGER AVAILABLE - CLICK HERE FOR THE REPLACEMENT. Throttle Position Sensor, TPS - INDMAR OEM 55-6103 FITS INDMAR AND PCM  Not for 06 up...
VOLTAGE REGULATOR FORD - GM PCM ARCO BRAND VR406 VOLTAGE REGULATOR FORD - GM PCM ARCO BRAND VR406
$46.96 $51.20
THIS PART IS NO LONGER AVAILABLE - WE HAVE THE R098002 - CLICK HERE Voltage Regulator for most PCM Engines through 1982   Prestolite ARCO...
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