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

Circulation Pump GM 350 - 305 & 5.7 - V8 - V6 Marine Water Pump Includes Gaskets Circulation Pump GM 350 - 305 & 5.7 - V8 - V6 Marine Water Pump Includes Gaskets
20%
$160.00 $198.99
BI-ROTATIONAL CIRCULATING PUMP 350 & 305 GM ENGINES INCLUDING 5.7 LTR ENGINEIncludes gaskets. Fits Left Hand OR Right Hand Engines GM V6 and small block...
Thermostat 143 Degree Indmar And PCM Ford PCM Brand Fits LT1 R026002E
10%
$41.95 $46.62
Thermostat 143 Degree PCM & Indmar Ford & LT1 R026002E PCM CRUSADER OEM BRAND OEM - NOT AFTERMARKET! Fits Indmar Fits the LT1 Engine Fits many raw water...
GASKET O-RING THERMOSTAT 160 DEGREE INDMAR LT-1 O- RING FOR THERMOSTAT FOR LT1
17%
$4.75 $5.75
O-Ring Rubber Seal Gasket for: Indmar Corvette LT1 OEM Replacement Marine 160 degree thermostat Also fits Indmar Fresh Water Cooled engines Use with SKU # 98-6034 T-Stat. The thermostat...
Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 315-0580 Hose Fuel Feed Fill - Vent Hose 5/8 Inch I.D. MPI 315-0580
26%
$3.50 $4.75
Fuel Feed/Fill Hose - 5/8" I.D. MPI Brand Sold per foot - Price is per foot Note - Quantity is total length ordered in one...
Fitting 3/4" NPT X 5/8" Barb 90 Degree For Manifold Water Drain Hose Indmar 605021
41%
$5.29 $8.99
Fitting for exhaust water drain hose - OEM Indmar 90 degree nylon fitting. Size 3/4" threaded X 5/8 hose Fitting used in Indmar cast iron...
Hose Blower - Air Vent Hose 4 Inch White 5' Length Each - Order 2 For 10' Etc. 400-4000
61%
$4.99 $12.75
Air Vent - Blower Hose - 4" Color WHITE - Sierra Brand This is A FIVE FOOT Length of Hose! Price is per 5 foot...
Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034 Belt Indmar Alternator Serpentine For 5.7L From 2003 And Up Original Indmar 72-5034
12%
$46.15 $52.15
Indmar serpentine belt for Indmar 5.7L marine engines from 2003 & up This is an Original Indmar Belt Serpentine Belt. 2003 & Up Malibu Monsoon &...
OEM FITTING ELBOW INVERTED FLARE 3/8 INCH FOR FUEL PUMP ORIGINAL CRUSADER R024017
31%
$8.99 $12.99
OEM FITTING ELBOW INVERTED FLARE 3/8 INCH FOR FUEL PUMP ORIGINAL CRUSADER R024017 The part near the fuel pump. ELBOW - INV FLARE 3/8 Replaces...
2000-2006 Muffler Mastercraft - 3.5"  Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033 2000-2006 Muffler Mastercraft - 3.5"  Inlet w/40° Angle - 3.5" Outlet - SS19/PS190/205/209 OEM 252033
30%
$544.00 $780.12
MUFFLER MASTERCRAFT 2000 - 2006 3.5" Inlet with 40° Angle 3.5" outlet SS19/PS190/205/209/PS197 OEM 252033 Overall Length is approximately 26" Barrel Diameter is approximately 5-1/8"...
Flapper Exhaust Protector Valve 3 Inch
11%
$28.05 $31.49
3 Inch Exhaust Flapper Protective Valve With Stainless Steel Clamp Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow...
Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S Housing Thermostat Housing Complete GM Indmar Low Profile OEM 53-1067S
19%
$215.00 $265.99
Thermostat Housing Compact Design Low Profile - IN STOCK! Used on Indmar and many other GM Chevrolet V-6 4.3-Liter and V-8 Small Block 5.0 and...
Belt Alternator V-Belt 5.7L OEM 72-5018 Belt Alternator V-Belt 5.7L OEM 72-5018
13%
$24.00 $27.56
Indmar alternator belt used from 1996-2004 on Indmar 5.7L Monsoon & Hammerhead marine engines with V belt. NOT the NAPA 7430 belt. This is Genuine...
Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002 Thermostat With Gasket 160 Degree PCM Ford Raw Water Cooled PCM Brand RP026002
10%
$46.52 $51.69
Thermostat for PCM Sea Maxx 302 and 351 cu. in. marine engines EFI or Carbureted engines The 160 degree T-stat is recommended for fuel injected...
Riser Mounting Kit All 5.7L - 350 & 351 Engines Indmar OEM 49-5006
52%
$12.00 $24.95
Original Equipment Indmar Riser Complete Mounting Kit  OEM Indmar 49-5006 Mounting hardware for one Indmar 350/351 cast iron exhaust riser (3 1/2") Includes all bolts, washers, and...
Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019 Fuel Water Separator Filter PCM Spin On 2011 And Up OEM R077019
17%
$26.75 $32.08
FUEL FILTER  WATER SEPARATOR PCM SPIN ON 2011 AND UP R077019 PCM High performance fuel - water separating filter, 90 GPH 10 micron filtration over...
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533 Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS03533
30%
$3.50 $4.99
Pipe Plug for Exhaust Manifold for Indmar OR PCM 3/4" NPT - Counter Sunk Square Head - Older style For the "newer" style BRASS, order item# RS3533A...
Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A Fuel Pump Assembly Mechanical PCM Ford Small Block 302-351 Factory PCM RA080002A
45%
$115.00 $208.95
PCM Ford Small Block Fuel Pump Assembly  All Ford 302 & 351 cu. in. marine engines equipped with a mechanical fuel pump 1971 and up!...
Fuel Line Assembly PCM Ford Small Block 302-351 OEM RA085002B
17%
$38.90 $46.95
FUEL LINE ASSEMBLY PCM FORD SMALL BLOCK 302-351 OEM RA085002B Direct PCM Replacement OEM Part Use for the Holley 4160 to OEM PCM Fuel Pump...
Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015 Belt Indmar V-Belt With Teeth Ford 351 & GM 454 OEM 72-5015
13%
$26.05 $29.99
V-BELT FORD 351 & GM 454 INDMAR ORIGINAL PART This is an Indmar OEM Belt and not the NAPA 25-7440! Indmar Factory Single Belt Drive...
Hose Formed Indmar Circulation Pump To Thermostat Housing OEM Indmar And PCM 84-5040
13%
$66.00 $76.28
Formed Hose CIRCULATION PUMP TO THERMOSTAT HOUSING OEM INDMAR 84-5040 - This replaces the 84-2001 CONSIDER THE METAL UPGRADE KIT! CLICK HERE FOR 49-5174 Formed...
Items 61 to 80 of 1452 total