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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.

Scroll down for all Engine Items

Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557 Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557
10%
$44.87 $49.95
SHIFT CABLE BRACKET KIT Original PCM RK090057 Fits Velvet Drive 1:1 AND 1.52:1 transmissions Anodized Steel
Hose Formed Right Hand GM 5.7L Fresh Water Cooled Crank Pump To Heat Exchanger
20%
$35.51 $44.56
Formed Hose for Right Hand GM 5.7L Fresh Water Cooled (antifreeze) crank pump to the heat exchanger
Exhaust Service Installation Kit PCM GM 5.0 - 5.7 Both Sides Complete Set PCM RP173091
17%
$110.43 $133.05
OEM Pleasurecraft Marine EXHAUST SERVICE INSTALLATION KIT PCM GM 5.0 - 5.7 BOTH SIDES COMPLETE SET PCM RP173091 Includes Manifold Gaskets, Riser Gaskets, All Bolts,...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
38%
$545.00 $873.26
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5" inlet/outlet Vertical Port 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252062 MUFFLER-3.5" VERT. PORT LATE '09-'11 214V/MS/XS/ex.35 USE W/RTP/MCX/LY6 CLICK HERE...
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
40%
$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...
Riser 3.5" GM -Ford Exhaust Riser Indmar OEM 53-2027 Riser 3.5" GM -Ford Exhaust Riser Indmar OEM 53-2027
51%
$215.95 $436.84
Exhaust Riser 3-1/2" -  Original Equipment Indmar Item - RAW WATER COOLED ENGINES OEM Indmar 53-2027 - Need 2 per engine - Same part number for...
Wire Harness Pigtail 12 Inches Male To Female Original PCM# R121002A Wire Harness Pigtail 12 Inches Male To Female Original PCM# R121002A
12%
$37.77 $42.95
One foot harness extension with 8 prong rectangular male to 8 prong rectangular female connections. R121002A It can be cut in half and spliced to...
Switch Water Temp Alarm Ford-GM-EFI-Water Temperature Switch -1/2 Inch NPT – PCM GT40 And APEX MPI OEM# R020014A
8%
$64.50 $69.96
Water Temperature Switch - 1/2 inch NPT – PCM GT40 & APEX MPI R020014A Activates a buzzer or light when engine temps reach dangerous levels 95...
Knock Sensor Flat Response Indmar OEM Item 55-1392
12%
$41.50 $46.99
Indmar Flat Response Knock Sensor  Indmar OEM 2006 & Up Requires 2 Each - One per side of engine Sensor Only - For the Bolt Assembly,...
Ignition Module Delco EST Replaces PCM R116014 Sierra® 18-5107-1 Ignition Module Delco EST Replaces PCM R116014 Sierra® 18-5107-1
11%
$137.00 $153.99
Sierra Brand Ignition Module for Delco EST Distributor Delco Ignition Module Sierra ignition module For Delco EST 4, 6, and 8 cylinder distributors Replaces Mercury...
Rotor Delco EST V8 Rotor Original Factory PCM/Crusader R103008
20%
$11.20 $14.05
Original OEM-PCM-Crusader Rotor for GM V8 marine engines with Delco EST module-in-cap electronic distributors. OEM Crusader Replaces Mercury 808484, 808484 1, 898253010, 8M6001253 Replaces Crusader 38071,...
Distributor Cap Delco V8 Original Factory PCM/Crusader # RA108006
10%
$34.07 $37.98
Original OEM - PCM - Crusader Distributor Cap for GM V8 marine engines with Delco EST electronic distributors OEM Crusader Delco EST V8 distributor cap...
Gasket Set Thermostat Housing Service Kit Mercruiser GM OEM 18-1989K
15%
$16.05 $18.79
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...
Anode Zinc 1/4" NPT Pencil Style Martyr
18%
$8.99 $11.00
Replaces Crusader R168005 Pencil Anode Martyr 1/4" NPT Zinc Pencil Anode 1 3/4" Length 1/4" NPT Threads: 5/16-18 UNC Replaces Crusader 10335 Replaces Chrysler 3527906 Replaces...
Gasket Pump Cover For Sherwood Raw Water Pump OEM 10103
9%
$3.20 $3.51
Pump Cover Gasket Sherwood 10103 Seals between the cover plate and the housing of various Sherwood seawater pumps. Fits Older Style Sherwood Interceptor pumps! Sherwood...
Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Original PCM Item # RP173024 Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Original PCM Item # RP173024
20%
$71.27 $88.95
1986 & PRIOR V8 CLIP DOWN CAP ORIGINAL PCM Not Aftermarket Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points and Condenser. CLIP DOWN TYPE CAPClips...
Impeller Kit Double Flat Shaft Mercruiser Bravo Sierra Brand 18-3016-1
11%
$34.00 $37.99
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
23%
$859.00 $1,118.12
Sherwood direct replacement bronze sea water pump for Crusader RA057031 XCLBR 2002 - 2004 P101 & P105  Sherwood Engine Specified sea water pump Pulley driven...
Hose Exhaust Hose Corrugated With Wire 3-1/2 Inch I.D. MPI® Brand 252-3120
25%
$35.50 $47.64
Exhaust Hose Corrugated With Wire 3.5" I.D. MPI® Brand Great for tight radius applications. Over a 20° bend. 116-252-3120-1 Sold per foot. We also have Shield's®...
Sending Unit Oil Pressure <b>Dual Station</b>1/8-27 NPT  80 PSI  PCM R020006 Sierra® Brand OP24891
9%
$42.05 $46.19
Engine oil pressure sending unit sends signal from 1 engine to 2 separate 80 PSI oil pressure gauges. Sierra® Brand OP24891 Dual Oil Pressure Sending...
Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED
4%
$70.00 $72.99
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
Mounting Kit For Aluminum Manifold Indmar Big Block Riser 545 - 502 - 8.1 OEM 49-5141 Mounting Kit For Aluminum Manifold Indmar Big Block Riser 545 - 502 - 8.1 OEM 49-5141
31%
$33.32 $47.95
Indmar OEM Mounting Kit Sold Each For Manifold Indmar 53-1278 Big Block 8.1 Aluminum Manifold 545 - 502 - 8.1
Hose Fuel Feed Fill - Vent Hose 1/2 Inch I.D. Type A1-A2 Marine Grade 250 Feet Roll
35%
$3.49 $5.35
Fuel Feed Hose - 1/2" I.D. Sold per foot - Price is per foot 2002 and up Malibu and Supra normally use this hose. 1/2...
Adjustable GM Alternator Strap Pleasurecraft Marine R099009
6%
$21.50 $22.96
ALTERNATOR ADJUSTMENT STRAP BRACKET Original PCM R099009 305 & 350 Engines Used with part number R090075 Alternator Bracket - click HERE
Items 433 to 456 of 1340 total