CLOSED FOR ANNUAL INVENTORY - ORDER & SHIPPING NOTICE - OUR OFFICES WILL BE CLOSED THROUGH THE FOLLOWING DATES:

FRIDAY, OCTOBER 17th THROUGH FRIDAY, OCTOBER 24th FOR INVENTORY. WE WILL REOPEN MONDAY, OCTOBER 27th.

ALL ORDERS PLACED DURING THIS TIME WILL BE PROCESSED ON MONDAY, OCTOBER 27th WHEN WE RESUME OUR NORMAL BUSINESS HOURS.

WE APPRECIATE YOU AND THANK YOU FOR YOUR BUSINESS! GOD BLESS AND HAPPY FALL!

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

Belt PCM Alternator V-Belt GM 5.7 - 5.0 Years 2000-2003 Only R066008 Belt PCM Alternator V-Belt GM 5.7 - 5.0 Years 2000-2003 Only R066008
17%
$12.49 $14.99
PCM  GM Alternator V-Belt  Also used for the Ford Raw Water Pump Belt (sold in Ford belt set) PCM Alternator V-Belt Fits early 5.7 Excalibur...
Seal Lip Seal For Sherwood Raw Water Pumps OEM SHER-18652
11%
$16.85 $18.95
Lip Seal for the Crank Driven  Sherwood Pump OEM Fits PCM GM Sherwood P-105 & Sherwood P-151 pumps  If your pump is leaking, replace your...
Belt Indmar Serpentine LTR Engine with Serial Numbers IC-972970 And Below OEM 72-5026
19%
$65.00 $79.85
This is an Original Indmar Belt 72-5026 Indmar serpentine alternator belt 48 3/4 in. overall length 13/16 in. wide Original Indmar Replace belts when cracked...
Repair Kit Complete Raw Water Pumps Original Quicksilver QS-46-807151A14
7%
$129.99 $139.99
RIGINAL REPAIR KIT FOR MERCRUISER ORIGINAL STYLE PLASTIC BODY PUMPS  QUICKSILVER BRAND We also have SIERRA - CLICK HERE Impeller kit with 1 piece pump...
Thermostat Kit Mercruiser GM 142 Degree Complete Service Kit 18-3668
10%
$43.32 $48.29
Sierra 142 Degree Thermostat KIT Original Equipment Mercury( Old Style ) Fits various Mercruiser V6, V8 small block and V8 big block raw water engines...
Impeller Puller For The New Threaded 09-821BT and 09-1027BT Impellers | JP-09-47154-01
46%
$15.40 $28.73
NEW PULLER for the newer style, threaded Indmar Johnson Impeller! Allows easier removal of flexible impellers from pumps! Threaded Impeller Puller is designed to remove...
Plastic Drain Plug Volvo Penta 21114522 Plastic Drain Plug Volvo Penta 21114522
5%
$4.93 $5.20
Blue Original Equipment Volvo Penta Blue Plastic Drain Plug Replaces Volvo 3849500, 3849892
Gasket Crusader and PCM Lower Thermostat Housing To Intake  OEM CRU-96105
17%
$5.00 $5.99
GASKET CRUSADER LOWER THERMOSTAT HOUSING TO INTAKE OEM# 96105 OEM thermostat gasket with grounding rivet fits many early model Crusader marine engines. Original Crusader Not...
454 Exhaust Manifold Kit Replaces The NLA PCM R028010
4%
$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...
Isolator Front Mount PCM OEM R094007
33%
$21.90 $32.92
Front Mount Isolator PCM Height 2" Larger End 2-1/2" O.D. Smaller End 1-5/8" O.D. Hole Bore 5/8" 30 to 40 pounds torque on front and...
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
OMC 21 Micron Fuel Water Separator Filter
1%
$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 RM0009 Sierra 18-0676-1
35%
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
6%
$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,...
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start Brass Sierra® Switch Ignition Key Switch 3 Position Terminal Off-Run-Start Brass Sierra®
15%
$49.45 $58.18
Conventional Off, Run & Start 7/8" Mounting Hole Sierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch has...
Aluminum Exhaust Riser 8.1L GM Indmar OEM 53-1077
15%
$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...
Pipe Plug 1/2 Inch NPT Brass Pipe Plug Indmar OEM 60-5034 Pipe Plug 1/2 Inch NPT Brass Pipe Plug Indmar OEM 60-5034
25%
$6.00 $7.95
1/2 inch NPT pipe plug made of brass Used when replacing your No Longer Available thermostat housing part number 53-1402 with the new style Indmar...
Fuel Filter Quicksilver 35-802893Q01
$20.99
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...
Wire Set Spark Plug Crusader 8.1L - Crusader OEM RK120017A
9%
$80.30 $87.99
Original Crusader 7mm ignition wire set fits Crusader 8.1L marine engines. Crusader 8.1L spark plug wire set Wires labeled for corresponding cylinders 7mm RFI suppression cable...
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
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...
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
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 -...
Fuel Pressure Regulator Original Crusader - PCM R088003 Fuel Pressure Regulator Original Crusader - PCM R088003
5%
$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
Conversion Kit Pertronix Ignitor II Clip or Screw Down Caps IG-1581LS
20%
$199.05 $249.65
PerTronix "Ignitor II" Electronic Ignition conversion kit for EITHER the Prestolite clip/screw down caps. Fits both screw down and clip down caps! Ignition conversion kit...
MOUNT ASSEMBLY INDMAR <b>LEFT SIDE</b> TRANSMISSION MOUNT ASSEMBLY COMPLETE OEM 53-1015L
10%
$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...
CONVERSION KIT PERTRONIX IGNITER PRESTOLITE CLIP DOWN KIT IG-1581
10%
$144.05 $160.35
Pertronix Ignitor Electronic Ignition Conversion Kit 1581 NEW NUMBER IS IG-1581LS - CLICK HERE Upgrades conventional Prestolite V8 clip down cap distributors to breakerless electronic...
DISTRIBUTOR CAP MALLORY V8 FLAT CAP
18%
$74.00 $90.35
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...
HOSE WATER HOSE SOFTWALL NO WIRE 1-3/4" I.D. X 4 FEET OEM PCM BRAND R045005
20%
$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
29%
$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...
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
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
9%
$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...
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
Belt PCM Serpentine GEN-5 H5 - H6 R066040 Belt PCM Serpentine GEN-5 H5 - H6 R066040
21%
$62.98 $79.64
PCM R066040 Serpentine engine belt PCM Item R066040 53 Inches Long OD PCM Alternator Serpentine For Pleasurecraft Marine 305 and 350 cu. in. engines Used on H5...
Items 449 to 480 of 1452 total