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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.

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Thermostat Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
Thermostat Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
23%
$35.32 $45.79
Thermostat Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
$35.32 $45.79
Sierra 142 Degree Thermostat KIT Original Equipment Mercury( Old Style ) Fits various Mercruiser V6, V8 small block and V8 big block raw water engines...
Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A
Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A
18%
$57.00 $69.20
Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A
$57.00 $69.20
1987 & LATER V8 SCREW DOWN CAP ORIGINAL PCM Not Aftermarket Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points and Condenser SCREW...
454 Exhaust Manifold Kit Replaces The NLA PCM R028010
454 Exhaust Manifold Kit Replaces The NLA PCM R028010
4%
$885.00 $919.50
454 Exhaust Manifold Kit Replaces The NLA PCM R028010
$885.00 $919.50
NOTE - PCM no longer sells the R028010 Manifold for the 454 engine. In order to convert, you have to use Barr CHVA-1-84 and 20-0082 and...
Distributor Cap & Rotor Kit HVS OEM PCM & Indmar RP173098
Distributor Cap & Rotor Kit HVS PCM & Indmar RP173098
17%
$106.55 $127.95
Distributor Cap & Rotor Kit HVS OEM PCM & Indmar RP173098
$106.55 $127.95
Original OEM PCM - Flat distributor cap And Rotor V8 marine engines with HVS ignition sytems Distributor Cap and rotor kit for PCM 5.7 and 5.0...
OMC 21 Micron Fuel Water Separator Filter
OMC 21 Micron Fuel Water Separator Filter
1%
$15.95 $16.19
OMC 21 Micron Fuel Water Separator Filter
$15.95 $16.19
Replacement spin-on fuel filter with OMC threads removes contaminants & water from incoming fuel. OMC thread fuel filter Protects marine engines by filtering water, dust,...
Gasket Exhaust Riser To Manifold - Replaces RM0099 Sierra 18-0676-1
Gasket Exhaust Riser To Manifold - Replaces RM0009 Sierra 18-0676-1
35%
Sold Out
Gasket Exhaust Riser To Manifold - Replaces RM0099 Sierra 18-0676-1
Sold Out
GASKET EXHAUST RISER TO MANIFOLD Exhaust Elbow Gasket  Exhaust Elbow Gasket for Pleasurecraft Inboards Replaces OEM# PCM-RM0099 NO LONGER AVAILABLE IN SIERRA® PLEASE SEE OEM...
Gasket Manifold Exhaust All GM Small Block Exhaust Manifold to Head Gasket 18-2902-1
Gasket Manifold Exhaust All GM Small Block Exhaust Manifold to Head Gasket 18-2902-1
6%
$17.89 $18.99
Gasket Manifold Exhaust All GM Small Block Exhaust Manifold to Head Gasket 18-2902-1
$17.89 $18.99
Gasket seals exhaust manifold to cylinder head on GM V8 small block marine engines. Exhaust manifold gasket For GM V8 283, 305, 307, 327, 350,...
Alternator Upgrade Kit 70 Amp V-Belt Style Original Indmar 495107
Alternator Upgrade Kit 70 Amp V-Belt Style Original Indmar 495107
4%
$377.00 $394.44
Alternator Upgrade Kit 70 Amp V-Belt Style Original Indmar 495107
$377.00 $394.44
70 Amp Alternator Upgrade Kit - OEM INDMAR Alternator Upgrade Kit includes 70 amp Delco V-belt alternator with pulley, harness jumpers and all necessary hardware...
Trunnion Bar OEM Indmar 53-1196Q
Trunnion Bar OEM Indmar 53-1196Q Trunnion Bar OEM Indmar 53-1196Q
29%
$25.00 $34.99
Trunnion Bar OEM Indmar 53-1196Q
$25.00 $34.99
TRUNNION BAR WITH 7/8-14 THREADED HOLE USED ON ENGINES WITH CAST STRINGER PAD. This is the replacement for part 535021Q OEM Indmar  Trunnion Mount Replaces...
Gasket Manifold Exhaust To Head - All GM Big Block Indmar CHVA-47-0000
Gasket Manifold Exhaust To Head - All GM Big Block Indmar CHVA-47-0000
26%
$16.95 $22.79
Gasket Manifold Exhaust To Head - All GM Big Block Indmar CHVA-47-0000
$16.95 $22.79
Manifold Exhaust Gasket - GM Big Block - Barr Original Indmar SOLD PER SIDE - NEED TWO PER ENGINE! Replaces Mercruiser 27-46820 Replaces Volvo Penta 3852472 Replaces...
Aluminum Exhaust Riser 8.1L GM Indmar OEM 53-1077
Aluminum Exhaust Riser 8.1L GM Indmar OEM 53-1077
15%
$585.00 $689.98
Aluminum Exhaust Riser 8.1L GM Indmar OEM 53-1077
$585.00 $689.98
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...
Anode Zinc Anode Drain Plug Indmar SkiVee V-Drive Transmission Indmar Brand OEM 90-5150
Anode Zinc Anode Drain Plug Indmar SkiVee V-Drive Transmission Indmar Brand OEM 90-5150 Anode Zinc Anode Drain Plug Indmar SkiVee V-Drive Transmission Indmar Brand OEM 90-5150
33%
$64.00 $95.99
Anode Zinc Anode Drain Plug Indmar SkiVee V-Drive Transmission Indmar Brand OEM 90-5150
$64.00 $95.99
For all Indmar engines 2007 and up that are outfitted with the Skivee V-drive transmission. Original Indmar 90-5150 Pencil Anode Drain Plug Anode Zinc For Indmar Drain...
Manifold Exhaust Indmar Raw Water Cooled Port Side Gen 3 Indmar 531296 OEM Indmar
GEN 3 - RAW WATER COOLED - NON CATALYZED 1 PIECE EXHAUST MANIFOLD "L" SERIES CHEVROLET ENGINES PORT SIDE FOR SALT WATER SERIES.
16%
$969.20 $1,149.95
Manifold Exhaust Indmar Raw Water Cooled Port Side Gen 3 Indmar 531296 OEM Indmar
$969.20 $1,149.95
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 -...
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 46 Inches Long Custom Built OEM UM-288-3001-46
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 46 Inches Long Custom Built OEM UM-288-3001-46
32%
$329.00 $486.95
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 46 Inches Long Custom Built OEM UM-288-3001-46
$329.00 $486.95
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3001-46 - CUSTOM SIZE 60 Degree Angled 3" Inlet With 3" Straight Outlet 46" Tip to Tip - NOTE...
Tune Up Kit Mercruiser 5.7 Liter Delco EST Tune Up Kit
Comprehensive kit includes everything needed to tune-up Vortec Mercruiser 5.7L engines with Delco EST electronic distributors.
6%
$190.40 $201.67
Tune Up Kit Mercruiser 5.7 Liter Delco EST Tune Up Kit
$190.40 $201.67
Comprehensive kit includes everything needed to tune-up Vortec Mercruiser 5.7L engines with Delco EST electronic distributors. For Mercruiser 5.7 liter 350 cu. in. EFI engines...
Throttle Body DBW 5.7L OEM RA035043
Throttle Body DBW 5.7L OEM RA035043 Throttle Body DBW 5.7L OEM RA035043
4%
$316.01 $328.32
Throttle Body DBW 5.7L OEM RA035043
$316.01 $328.32
Throttle Body DBW 5.7L OEM RA035043 Gasket for the Throttle Body sold separately HERE
Fuel Pressure Regulator Original Crusader - PCM R088003
Fuel Pressure Regulator Original Crusader - PCM R088003 Fuel Pressure Regulator Original Crusader - PCM R088003
5%
$182.05 $192.60
Fuel Pressure Regulator Original Crusader - PCM R088003
$182.05 $192.60
Fuel Pressure Regulator PCM R088003 Fuel Pressure Regulator Maintains the proper fuel delivery pressure at the fuel injectors Replaces Crusader R088003 Replaces GM 17113536
Mount Assembly Indmar Left Side Hurth Transmission Mount Assembly Complete OEM Indmar 53-5015L
MOUNT ASSEMBLY INDMAR <b>LEFT SIDE</b> TRANSMISSION MOUNT ASSEMBLY COMPLETE OEM 53-1015L
10%
$239.00 $264.98
Mount Assembly Indmar Left Side Hurth Transmission Mount Assembly Complete OEM Indmar 53-5015L
$239.00 $264.98
OEM Indmar transmission mount - Complete LEFT SIDE Complete left side transmission mount (1.5 and V-D) Original Indmar 53-5015L HURTH 630 V TRANSMISSION MOUNT W/BRACKET...
Fuel Pump Conversion Kit Complete Indmar EFI 2 Stage Original Indmar 49-5117
Fuel Pump Conversion Kit Complete Indmar EFI 2 Stage Original Indmar 49-5117 FUEL PUMP CONVERSION KIT COMPLETE INDMAR EFI 2 STAGE ORIGINAL INDMAR 49-5117
11%
$465.00 $521.29
Fuel Pump Conversion Kit Complete Indmar EFI 2 Stage Original Indmar 49-5117
$465.00 $521.29
OEM Indmar pump kit includes everything needed to convert obsolete 55-6014 fuel pump to new style fuel pump. IND-495117 Indmar electric fuel pump conversion kit....
Hose Water Hose Soft Wall No Wire - 1-3/4" I.D. X 4 Foot Stick - OEM R045005
HOSE WATER HOSE SOFTWALL NO WIRE 1-3/4" I.D. X 4 FEET OEM PCM BRAND R045005
20%
$48.00 $59.99
Hose Water Hose Soft Wall No Wire - 1-3/4" I.D. X 4 Foot Stick - OEM R045005
$48.00 $59.99
Water Hose Soft Wall No Wire 1- 3/4" Inch Inside Diameter FOUR (4') FOOT STICK NOTE: PCM has been shipping MPI Hose or Shield's Hose when...
SWITCH WATER TEMP SENSOR– 3/8 INCH NPT – INDMAR BRAND 64-5003
SWITCH WATER TEMP SENSOR– 3/8 INCH NPT – INDMAR BRAND 64-5003
29%
$26.95 $37.72
SWITCH WATER TEMP SENSOR– 3/8 INCH NPT – INDMAR BRAND 64-5003
$26.95 $37.72
OEM Indmar Water Temperature Switch Water Temperature Switch – 3/8 inch NPT –  Indmar engines water temperature sensor Product Specs:Brass sensor (Marine) to help avoid corrosion...
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
Outlet Exhaust 3-1/2" Straight Flange Exhaust <b>No Baffle-Muffler</b> Outlet Stainless Steel No Flapper Needed
20%
$199.00 $249.00
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$199.00 $249.00
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...
Alternator 75 Amp Mando With 2" Mounting Foot For Serpentine 6 Groove Pulley
ALTERNATOR 75 AMP UPGRADE INDMAR LT1 - LTR REPLACES 55 AMPS WITH 75 AMPS ALTERNATOR 75 AMP UPGRADE INDMAR LT1 - LTR REPLACES 55 AMPS WITH 75 AMPS
13%
$262.55 $301.19
Alternator 75 Amp Mando With 2" Mounting Foot For Serpentine 6 Groove Pulley
$262.55 $301.19
Mando 75 amp marine alternator with 2 in. mounting foot and 6 groove serpentine pulley Fits Mercruiser marine engines too. New 75 amp 12 volt...
Lock Washer 7/16" Stainless Steel PCM RS2181
Lock Washer 7/16" Stainless Steel PCM RS2181
9%
$1.49 $1.64
Lock Washer 7/16" Stainless Steel PCM RS2181
$1.49 $1.64
Lock Washer 7/16" Stainless Steel Washer - Lock 7/16" Replaces Crusader 103322, 120383, 93400000 Replaces Mercury/Mercruiser 13-32993 Replaces Pleasurecraft Marine RS2181 Replaces Velvet Drive 103322...
Items 409 to 432 of 1340 total