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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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 -...
Impeller Pump Repair Kit Quicksilver Brand QS-47-8M0137219
$47.49 $55.49
OEM Mercruiser impeller service kit QS-47-8M0137219 Kit includes shorter heavy duty impeller, o-ring & overmolded inner front wear plate For use when front of seawater...
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...
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...
Gasket Exhaust Riser To Manifold PCM 454 & All GM Big Blocks RM0099
$51.68
GASKET EXHAUST RISER TO MANIFOLD PCM ALL BIG BLOCKS 454, 460, 502, 8.1 RM0099 Sold Each The blocked water passage goes towards the exhaust outlet.The...
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...
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...
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