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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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Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T
33%
$530.00 $795.00
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T
$530.00 $795.00
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T Part# 252004 - Sold Each - Fits Starboard & Port 3-1/2" Straight Inlet & Outlet OAL...
O-Ring For PCM Bearing Housing Attachment On PCM Modular Raw Water Pump | Crusader R047242
O-Ring For PCM Bearing Housing Attachment On PCM Modular Raw Water Pump | Crusader R047242
3%
$2.15 $2.21
O-Ring For PCM Bearing Housing Attachment On PCM Modular Raw Water Pump | Crusader R047242
$2.15 $2.21
O-Ring for the PCM Bearing Housing Assemby Modular Raw Water Pump If you need the complete pump assembly - CLICK HERE If you need the...
Bell Housing Dust Shield | Barr MC-24-14043
Bell Housing Dust Shield | Barr MC-24-14043
13%
$45.50 $52.00
Bell Housing Dust Shield | Barr MC-24-14043
$45.50 $52.00
Bell Housing Dust Shield | Barr MC-24-14043 Replaces Barr MC24-14043
GM V8 Inboard Marine Bell Housing | Barr MC-24-44187
GM V8 Inboard Marine Bell Housing | Barr MC-24-44187 GM V8 Inboard Marine Bell Housing | Barr MC-24-44187
5%
$450.00 $473.00
GM V8 Inboard Marine Bell Housing | Barr MC-24-44187
$450.00 $473.00
Bell Housing for GM marine engine applications using a 14 inch flywheel with rear mounted ring gear, top mount starter & 26 spline transmission. Fits...
FCC Pass Thru Harness 6.0L | 8.1L OEM R121085A
FCC Pass Thru Harness 6.0L | 8.1L OEM R121085A
19%
$43.00 $53.00
FCC Pass Thru Harness 6.0L | 8.1L OEM R121085A
$43.00 $53.00
FCC Pass Thru Harness OEM R121085A For 6.0L and the 8.1L Engines
Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566
Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566 Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566
31%
$4.49 $6.49
Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566
$4.49 $6.49
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. Sierra Brand. Replaces Mercury Marine 27-817277, 27-8172771 Replaces Mallory 9-60023 Fits 40/45/50/60 FourStroke Bigfoot, 60...
Mercruiser Riser Block Off Plate Gasket | Barr MC47-27-41811
Mercruiser Riser Block Off Plate Gasket | Barr MC47-27-41811
14%
$6.00 $7.00
Mercruiser Riser Block Off Plate Gasket | Barr MC47-27-41811
$6.00 $7.00
Gasket seals both sides of Mercruiser center rise exhaust manifold/riser block off plate. MerCruiser restrictor plate gasket to be used with MC-20-87918 restrictor plate (2...
Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2
Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2 Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2
2%
$225.00 $228.69
Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2
$225.00 $228.69
Sierra direct replacement exhaust elbow fits many Mercruiser V6 & V8 marine engines with center rise exhaust manifolds. 4-inch outside diameter exhaust hose connection  
Mercruiser GM Big Block Center Rise Exhaust Manifold | Sierra 18-1957-2
Mercruiser GM Big Block Center Rise Exhaust Manifold | Sierra 18-1957-2
22%
$334.00 $425.68
Mercruiser GM Big Block Center Rise Exhaust Manifold | Sierra 18-1957-2
$334.00 $425.68
Center rise exhaust manifold fits Mercruiser GM 7.4L & 8.2L CID marine engines. Mercruiser exhaust manifold Direct replacement manifold fits Mercruiser GM V8 454 and...
Hose Formed Raw Water Pump To Cooler 5.7L PCM OEM R045166
Hose Formed Raw Water Pump To Cooler 5.7L PCM OEM R045166
3%
$59.05 $60.60
Hose Formed Raw Water Pump To Cooler 5.7L PCM OEM R045166
$59.05 $60.60
Formed Hose RAW WATER PUMP TO COOLER OEM PCM R045166 Hose that connects the raw water pump to cooler
Idler Pulley | OEM Quicksilver 865444T 3.5 Inche Diameter
Idler Pulley | OEM Quicksilver 865444T
15%
$55.99 $65.49
Idler Pulley | OEM Quicksilver 865444T 3.5 Inche Diameter
$55.99 $65.49
Idler Pulley | OEM Quicksilver 865444T 865444T Pulley-Idler 3-1/2" Diameter Item # 15 in the line drawing NOTE - THIS PULLEY IS A 3.5 INCH...
Idler Pulley | Replaces Merc. 807757T | Sierra 18-6457 | 3 Inch Diamter
Idler Pulley | Replaces Merc. 807757T | Sierra 18-6457
23%
$48.05 $62.49
Idler Pulley | Replaces Merc. 807757T | Sierra 18-6457 | 3 Inch Diamter
$48.05 $62.49
Idler Pulley | Replaces Merc. 807757T | Sierra 18-6457 Replaces Mercury 807757T Replaces Quicksilver Item # 15 in the line drawing NOTE - THIS PULLEY...
Starter For MV8 Ilmor Inboard Engines | OEM MV8V-1003
Starter For MV8 Ilmor Inboard Engines | OEM MV8V-1003 Starter For MV8 Ilmor Inboard Engines | OEM MV8V-1003
14%
$689.99 $800.00
Starter For MV8 Ilmor Inboard Engines | OEM MV8V-1003
$689.99 $800.00
Starter For MV8 Ilmor Inboard Engines | OEM MV8V-1003 Compatible With: 5.7L MPI 5.7L MPI OPS 6.0L MPI 6.0L MPI OPS 6.2L MPI 6.2L MPI...
Impeller Kit - 7.4L PV06765 | OEM Ilmor PV06765
Impeller Kit - 7.4L PV06765 | OEM Ilmor PV06765
27%
$54.99 $74.99
Impeller Kit - 7.4L PV06765 | OEM Ilmor PV06765
$54.99 $74.99
Original Ilmor Impeller Kit Ilmor PV06765 COMPATIBLE WITH THE FOLLOWING ENGINES MV8 5.7L-OPS - V-Drive MV8 6.0L-OPS - Direct Drive MV8 6.0L-OPS - V-Drive 5000MPI-OPS...
4 inch Heat Exchange End Cap Kit | Seakamp SK3400C
4 inch Heat Exchange End Cap Kit | Seakamp SK3400C 4 inch Heat Exchange End Cap Kit | Seakamp SK3400C
11%
$40.00 $45.00
4 inch Heat Exchange End Cap Kit | Seakamp SK3400C
$40.00 $45.00
4 inch Heat Exchange End Cap Kit | Seakamp SK3400C Gasket measures 3-7/8 inches Replaces Sendure part number 5374
Mercruiser Gen II Water Pump Kit | Sierra 18-3147
Mercruiser Gen II Water Pump Kit | Sierra 18-3147
19%
$128.00 $158.00
Mercruiser Gen II Water Pump Kit | Sierra 18-3147
$128.00 $158.00
Sierra replacement water pump kit for Mercruiser Alpha I Gen II stern drives. Sierra Mercruiser water pump kit For Mercruiser Alpha I Gen II stern...
Serpentine Belt | Sierra 18-15121 Replaces Merc.
Serpentine Belt | Sierra 18-15121 Replaces Merc.
15%
$94.13 $110.95
Serpentine Belt | Sierra 18-15121 Replaces Merc.
$94.13 $110.95
OEM Belt Serpentine Belt Sierra Brand Serpentine Belt 13/16 inches wide 87.5 inches long Replaces Mercury 57-865615005, 57-865615Q05
Sparkplug Wire Set Black Scorpion | United Marine 222
Sparkplug Wire Set Black Scorpion | United Marine 222
15%
$79.00 $92.97
Sparkplug Wire Set Black Scorpion | United Marine 222
$79.00 $92.97
Sparkplug Wire Set Black Scorpion United Marine 222 Replaces Quicksilver 863656A03
Fuel Line Crossover Hose OEM Indmar 78-6129
Fuel Line Crossover Hose OEM Indmar 78-6129 Fuel Line Crossover Hose OEM Indmar 78-6129
19%
$117.00 $145.00
Fuel Line Crossover Hose OEM Indmar 78-6129
$117.00 $145.00
Indmar Crossover Fuel Line Indmar OEM
Riser 3.5" GM -Ford Exhaust Riser Fresh Water Drilled Indmar OEM 53-2028
Riser 3.5" GM -Ford Exhaust Riser Fresh Water Drilled & Tapped Indmar OEM 53-2028
53%
$215.95 $456.95
Riser 3.5" GM -Ford Exhaust Riser Fresh Water Drilled Indmar OEM 53-2028
$215.95 $456.95
Exhaust Riser 3-1/2" -  Original Equipment Indmar Item FRESH WATER ( With Antifreeze In The Engine) OEM Indmar 53-2028 - Need 2 per engine - Same...
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746 Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
35%
$383.00 $590.00
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746
$383.00 $590.00
Mercruiser GM V6 Exhaust Manifold | Barr MC-1-99746 Direct replacement, water cooled, center discharge MerCruiser exhaust manifold. Replaces MerCruiser part #'s #399746A3 and #99746A8. Direct...
3 inch Mercruiser Exhaust Riser | Barr MC-20-98504
3 inch Mercruiser Exhaust Riser | Barr MC-20-98504 3 inch Mercruiser Exhaust Riser | Barr MC-20-98504
29%
$256.00 $361.00
3 inch Mercruiser Exhaust Riser | Barr MC-20-98504
$256.00 $361.00
3 InchExhaust Riser BARR-MC-20-98504 Direct replacement, water cooled, center discharge MerCruiser exhaust riser. Replaces MerCruiser part #B-98504A3. Uses 3" I.D. exhaust hose. 15 degree angle....
Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813
Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813 Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813
8%
$6.43 $7.00
Mercruiser Riser Restrictor Gasket | Barr MC47-27-41813
$6.43 $7.00
Gasket seals both sides of Mercruiser center rise exhaust manifold/riser restrictor plate. For Mercruiser center rise exhaust manifolds in raw water cooled applications with weep...
Thunderbolt Small Block Tri-Pak Tune-Up Kit | United Marine 1-103
Thunderbolt Small Block Tri-Pak Tune-Up Kit | United Marine 1-103
13%
$124.00 $142.66
Thunderbolt Small Block Tri-Pak Tune-Up Kit | United Marine 1-103
$124.00 $142.66
Thunderbolt Small Block Tri-Pak Tune-Up Kit Kit fits Mercruiser V8 305 and 350 cubic inch engines with Thunderbolt ignition systems Includes MEGA-MAG 8mm SSC silicone...
Gasket Exhaust Adaptor Mounting Ilmor OEM 500-0007
Gasket Exhaust Adaptor Mounting Ilmor OEM 500-0007
14%
$5.99 $6.95
Gasket Exhaust Adaptor Mounting Ilmor OEM 500-0007
$5.99 $6.95
OEM  ILMOR - 500-0007 Exhaust Adaptor Mounting Gasket Ilmor Exhaust adapter Gasket is need for your Ilmor engine. See compatible engines below PART #500-0007 Compatible...
Gasket Exhaust Manifold Ilmor OEM MV8V-1054
Gasket Exhaust Manifold Ilmor OEM MV8V-1054
28%
$25.00 $34.95
Gasket Exhaust Manifold Ilmor OEM MV8V-1054
$25.00 $34.95
OEM  ILMOR - MV8V-1054 Exhaust Manifold Gasket Ilmor engine exhaust gaskets MV8V-1054 are the mounting gaskets for the Ilmor engine from the intake manifold to...
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...
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