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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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Adaptor Exhaust Inner Sleeve OEM PE00979
Adaptor Exhaust Inner Sleeve OEM PE00979 Adaptor Exhaust Inner Sleeve OEM PE00979
13%
$95.00 $108.95
Adaptor Exhaust Inner Sleeve OEM PE00979
$95.00 $108.95
Ilmor 5.7L engine exhaust inner sleeve adapter. OEM PE00979 This sleeve is compatible with the following: MV8 5.7L MV8 5.7L OPS MV8 6.0L MV8 6.0L...
O-Ring - Outer Oil Adapter OEM CRU-22654
O-Ring - Outer Oil Adapter OEM CRU-22654 O-Ring - Outer Oil Adapter OEM CRU-22654
23%
$3.59 $4.64
O-Ring - Outer Oil Adapter OEM CRU-22654
$3.59 $4.64
ORIGINAL Crusader O-Ring - Outter Oil Adaptor For the smaller Remote Oil Filter IN -O-Ring - CLICK HERE  
O-Ring Remote Filter IN OEM CRU-22802
O-Ring Remote Filter IN OEM CRU-22802 O-Ring - Outer Oil Adapter OEM CRU-22654
4%
$1.05 $1.09
O-Ring Remote Filter IN OEM CRU-22802
$1.05 $1.09
ORIGINAL Crusader Remote Oil Filter IN -O-Ring For the larger O-Ring - Outter Oil Adaptor - CLICK HERE
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
33%
$347.00 $517.00
Mercruiser GM V8 Small Block Exhaust Manifold OEM Barr MC-1-87114
$347.00 $517.00
Original Equipment Cast iron center rise exhaust manifold fits Mercruiser 898R, 228R, & 260R marine engines. Includes bolts and gaskets for riser and manifold; full...
Valve Stem Seal 454 Set of 16 | R047182
Valve Stem Seal 454 | OEM Crusader R047182
29%
$147.04 $205.99
Valve Stem Seal 454 Set of 16 | R047182
$147.04 $205.99
Valve Stem Seal - SOLD PER SET OF 16 Replaces Crusader 30241 Replaces Pleasurecraft R047182
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
29%
$496.75 $697.22
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
$496.75 $697.22
Mastercraft Muffler - 2014 5.7L ULTRA-2500391 Part# 2500391 Fits Port OR Starboard Side SOLD EACH Main Barrel is 4" Diameter - 28" not including inlet...
Gasket, Heat Exchanger End Cap 5" Rubber OEM RM0167
Gasket, Heat Exchanger End Cap 5" Rubber OEM RM0167
19%
$19.35 $24.00
Gasket, Heat Exchanger End Cap 5" Rubber OEM RM0167
$19.35 $24.00
Heat Exchanger Rubber End Cap - 5 Inch OEM PCM CRUSADER RM0167 - Number 9 in the expanded view
Circulation Water Pump Kit 6.0 liter LQ4 Water Pump Kit OEM Crusader RK057033B
Circulation Water Pump Kit 6.0 liter LQ4 Water Pump Kit OEM Crusader RK057033B
6%
$374.25 $397.29
Circulation Water Pump Kit 6.0 liter LQ4 Water Pump Kit OEM Crusader RK057033B
$374.25 $397.29
OEM 6.0 liter LQ4 Water Pump Kit RK057033B Complete Assembly - # 27 in the exploded view
Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048
Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048 Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048
10%
$57.50 $64.12
Formed Indmar Bump Hose 3" High Temp With Stops OEM 84-7048
$57.50 $64.12
Formed Hose 3 inch to 3.5 inch diameter formed exhaust hose with stops. OEM INDMAR 847048
Chrysler 160 Degree Thermostat Sierra 18-3645
Chrysler 160 Degree Thermostat Sierra 18-3645
11%
$25.00 $28.00
Chrysler 160 Degree Thermostat Sierra 18-3645
$25.00 $28.00
Thermostat Chrysler 160 Degree Thermostat 160 Degrees Used on all Chrysler V8 engines with a Carter carburetor From 1975 to 1985 Replaces Chrysler 3514177
Thermostat Housing Gasket Chrysler 0050082E
Thermostat Housing Gasket Chrysler 0050082E
12%
$3.95 $4.50
Thermostat Housing Gasket Chrysler 0050082E
$3.95 $4.50
GASKET THERMOSTAT SIERRA® 18-0878-9 Used on Chrysler small block & big block marine engines 1968 to 1985 Replaces Chrysler 3830016
Mallory V8 Flat Cap Tune-Up Kit 18-5272
Mallory V8 Flat Cap Tune-Up Kit 18-5272
8%
$109.00 $117.99
Mallory V8 Flat Cap Tune-Up Kit 18-5272
$109.00 $117.99
Crab style Mallory Tune Up Kit Mallory Tune-Up Kit For Mallory V-8 flat cap side terminal single point distributors Includes distributor cap, rotor, points, and...
O-Ring Kit For Fuel Injectors 10 Pack OEM Indmar 55-6041
O-Ring Kit For Fuel Injectors 10 Pack OEM Indmar 55-6041
11%
$84.00 $94.85
O-Ring Kit For Fuel Injectors 10 Pack OEM Indmar 55-6041
$84.00 $94.85
Fuel Injector O-ring kit for GM 3 bar and 4 bar fuel injectors. OEM INDMAR 556041
Gasket Intake Manifold Gasket GM Small Block 305-350 OEM 55-6099
Gasket Intake Manifold Gasket GM Small Block 305-350 OEM 55-6099 Gasket Intake Manifold Gasket GM Small Block 305-350 OEM 55-6099
10%
$44.23 $48.99
Gasket Intake Manifold Gasket GM Small Block 305-350 OEM 55-6099
$44.23 $48.99
Intake gasket used in GM 5.7 liter Generation 1 Plus. 2 gaskets required for inatallation. SOLD EACH - You will need to order 2 of...
Electric Choke Assembly Holley 45-258
Electric Choke Assembly Holley 45-258
12%
$79.00 $89.95
Electric Choke Assembly Holley 45-258
$79.00 $89.95
Holley OEM Replacement electric choke cap with cap gasket for Holley model 2300, 4150, 4160, 4010 & 4011 carburetors. Original Holley Electric Choke Cap Kit,...
Manifold Gasket Armored Airgap Gasket Gen 3 76-1501
Manifold Gasket Armored Airgap Gasket Gen 3 76-1501
33%
$24.75 $36.95
Manifold Gasket Armored Airgap Gasket Gen 3 76-1501
$24.75 $36.95
GASKET EXHAUST EXT. armored airgap gasket for Gen 3 engine OEM Indmar  
Flex Fuel Line Indmar Ford Flex Line OEM 98-2038
Flex Fuel Line Indmar Ford Flex Line OEM 98-2038 Flex Fuel Line Indmar Ford Flex Line OEM 98-2038
9%
$59.00 $65.00
Flex Fuel Line Indmar Ford Flex Line OEM 98-2038
$59.00 $65.00
Flexinble Fuel Line Indmar Ford Indmar Ford 351 Fuel line Approximately 22" long.
Belt Ford 6.2 360 & 460 2016 & Up 95 Amp Alternator OEM Indmar 72-5903
Belt Ford 6.2 360 & 460 2016 & Up 95 Amp Alternator OEM Indmar 72-5903
18%
$65.00 $78.95
Belt Ford 6.2 360 & 460 2016 & Up 95 Amp Alternator OEM Indmar 72-5903
$65.00 $78.95
Alternator Belt Used On Indmar 360 Through 460 2016 & Newer Engines With 95 Amp Alternator 72-5903 Indmar is sending Dayco Belts - This is...
Oil Filter For V6 Chevrolet 3.8L 4.3L BRP-0502903
Oil Filter For V6 Chevrolet 3.8L 4.3L BRP-0502903 Oil Filter For V6 Chevrolet 3.8L 4.3L BRP-0502903
21%
$13.50 $16.99
Oil Filter For V6 Chevrolet 3.8L 4.3L BRP-0502903
$13.50 $16.99
Oil Filter Fitss V6 Chevy 3.8L and 4.3L Engines BRP Filter Oil Filter Fits V6 Chevrolet 3.8L, 4.3L Replaces OMC/Johnson/Evinrude 173834 Replaces Volvo Penta 841750...
Wire Set Spark Plug GM V-6 Conventional Ignition United Marine UIW-107
Wire Set Spark Plug GM V-6 Conventional Ignition United Marine UIW-107
13%
$57.05 $65.94
Wire Set Spark Plug GM V-6 Conventional Ignition United Marine UIW-107
$57.05 $65.94
V6 GM Spark Plug Wire Set United Ignition Wire 107 Custom tailored 8mm spark plug wire set for GM V6 engines using conventional ignition systems...
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
44%
$1.64 $2.95
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
$1.64 $2.95
Screw For Indmar Bell Housing Starter-Dust Cover  Indmar 565300Q Bolt size is 7/16-14 X 1 HHCS Original Indmar SP 25 Flare Head Screw SOLD EACH...
1982-1988 Muffler Mastercraft - 3" Inlet 60° Angled Elbow 3" Outlet OEM 25-0009
1982-1988 Muffler Mastercraft - 3" Inlet 60° Angled Elbow 3" Outlet OEM 25-0009
31%
$495.00 $719.99
1982-1988 Muffler Mastercraft - 3" Inlet 60° Angled Elbow 3" Outlet OEM 25-0009
$495.00 $719.99
MUFFLER MASTERCRAFT 1982 through 1988 - 41.5" Approximate Overall Length 3" INLET HORIZONTAL 60° ANGLED ELBOW - 3" OUTLET OEM 25-0009 Part# 25-0009 3" Inlet...
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
6%
$46.92 $49.68
Drain Hose Exhaust With Tee & Drain Plug Indmar 81-5900
$46.92 $49.68
Exhaust Drain Hose Tee OEM Indmar 605904 Plastic T that fits 5/8" hose with threaded drain hole For Plastic Tee Fitting - CLICK HERE For...
Exhaust Hose Hardwall Sold Per Foot 2 Inch ID MPI-100-2000
Exhaust Hose Hardwall Sold Per Foot 2 Inch ID MPI-100-2000
41%
Sold Out
Exhaust Hose Hardwall Sold Per Foot 2 Inch ID MPI-100-2000
Sold Out
MPI Exhaust Hose Hard Wall 2" Inch Inside Diameter Hose MPI Brand 100-2000 Sold Per Foot 2 in. ID hardwall marine exhaust/water hose 2 13/32...
Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018
Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018 Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018
3%
$329.05 $340.92
Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018
$329.05 $340.92
OEM Crusader Flywheel mounted transmission damper plate by Centa fits 6.0L and 8.1L Crusader GM engines with ZF/Hurth, Velvet Drive 5000 and Liberty series transmissions. M10...
Manifold to Cylinder Head Bolt 3/8-16 x 1-1/2 Crusader 90348150
Manifold to Cylinder Head Bolt - 3/8-16 x 1-1/2 Crusader 90348150
17%
$2.69 $3.25
Manifold to Cylinder Head Bolt 3/8-16 x 1-1/2 Crusader 90348150
$2.69 $3.25
Used to mount Crusader MP5.7 and MP7.4 center style exhaust manifold to cylinder head. Replaces Crusader 21307 and 186628 If you need the other, Gold...
Wire Harness Adaptor Original PCM# RA121094
Wire Harness Adaptor Original PCM# RA121094
6%
$78.50 $83.08
Wire Harness Adaptor Original PCM# RA121094
$78.50 $83.08
CRUSADER ADAPTER HARNES OEM RA121094
Wire Set Spark Plug V6 Prestolite Spark Plug Wire Set United Marine UIW-117
Wire Set Spark Plug V6 Prestolite Spark Plug Wire Set United Marine UIW-117
6%
$63.05 $66.78
Wire Set Spark Plug V6 Prestolite Spark Plug Wire Set United Marine UIW-117
$63.05 $66.78
Prestolite V6 Spark Plug Wire Set Prestolite V6 marine spark plug wire set For Crusader V6 4.3L 262 engines from 1983-88 with Prestolite ignitions For...
Tune Up Kit V6 Prestolite Screw Down Type Sierra® 18-5276
Tune Up Kit V6 Prestolite Screw Down Type Sierra® 18-5276
35%
$49.05 $75.99
Tune Up Kit V6 Prestolite Screw Down Type Sierra® 18-5276
$49.05 $75.99
Tune-up kit includes cap, rotor, points, and condenser for V6 Prestolite distributors using two screws to attach cap to distributor housing. For Prestolite V-6 single...
Verna Ski Inline Muffler - 3 Inch Centek Industries 1000216
Verna Ski Inline Muffler - 3 Inch Centek Industries 1000216
16%
$294.00 $350.72
Verna Ski Inline Muffler - 3 Inch Centek Industries 1000216
$294.00 $350.72
Fiberglass wet exhaust muffler is designed to reduce the noise of gasoline inboard engines in ski boats. Centek Verna Ski muffler Fiberglass construction 45 degree...
Switch Sender Water Temp Single Wire For Dash OEM Indmar 64-5001
Switch Sender Water Temp Single Wire For Dash OEM Indmar 64-5001
10%
$47.00 $52.35
Switch Sender Water Temp Single Wire For Dash OEM Indmar 64-5001
$47.00 $52.35
Water Temperature Switch Single Station 1/2" NPT Controls dash gauge OEM Indmar 645001 - 64-5001
Exhaust -Water Hose Per Foot 2 Inch ID. Shieldsaust-C Marine SIERRA-116-252-2000-1
Exhaust -Water Hose Per Foot 2 Inch ID. Shieldsaust-C Marine SIERRA-116-252-2000-1
34%
$19.00 $28.84
Exhaust -Water Hose Per Foot 2 Inch ID. Shieldsaust-C Marine SIERRA-116-252-2000-1
$19.00 $28.84
Water - Exhaust Hose Wire Reinforced 2" Inch Inside Diameter Hose Features a corrugated exterior and is internally reinforced by wire to prevent hose from collapsing....
Items 865 to 896 of 1452 total