DRIVETRAIN

Boat Drivetrain

My Inboard Marine is your go-to supply for all your boat drivetrain needs. We carry a variety of inboard mufflers, inboard transmissions and parts ideal for fitting a diverse option of boats, including Mastercraft Mufflers, Borg Warner and Pleasurecraft boat transmission parts. Allow yourself and others to enjoy the sound of the waves as opposed to a noisy boat. Our huge inventory of boat mufflers gives you several choices to decide on. We carry only high-quality products while offering affordable pricing.

We carry interchangeable mufflers, muffler kits, outlet exhausts, and flapper exhaust protector valves as well. We ship products inside and outside the United States. Grab your boat drivetrain products from My Inboard Marine today and experience the difference with our boating solutions.

More Drivetrain Items Coming Soon!

Muffler Tige' - D4028 - Silent Rider V-Drive Dual 4" Inlets  - Dual 3.5" Outlets OEM - D4028
$1,279.00 $1,599.00
MUFFLER TIGE' CUSTOM Dual 4" Inside Diameter Inlets - Dual 3.5" Inside Diameter Outlets The outlets are extended approx. 13" out from the main cylinder....
Oil Cooler 9 Inch X 1-1/4 Inch 6.0L Engine OEM R147049
$378.40
OEM dual oil engine cooler fits a variety of Crusader engine applications. 14 in. overall length 2 in. diameter bundle 1 1/4 in. water hose...
Oil Cooler Transmission Seakamp 12 Inch X 1-1/4 Inch Oil Cooler Seakamp SK-212134
$195.00 $200.00
OIL COOLER TRANSMISSION SEAKAMP 212134 2 in. diameter standard oil cooler accepts 1 1/4 in. water hoses and 3/8 in. NPTF oil connections. Seakamp universal...
Oil Cooler Transmission Seakamp 9 Inch X 1-1/4 Inch Oil Cooler Seakamp SK-29134
$210.98
SEAKAMP BRAND OIL COOLER TRANSMISSION 9" Barrel x 1-1/4" Barbs This is for Indmar Ford & GM with Powerslot Will also fit Mercruiser GM -...
Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM VD-A4867HA Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM PCM RK173018
$219.00 $269.93
OEM kit includes all gaskets & seals needs to reseal Velvet Drive 71C & 72C marine transmissions. Gasket & Seal Kit - All 71C and...
Muffler Supra Moomba Skiers Choice 0437 - 3.5" In/Out Inline Approx 15" Overall Length OEM 101422
$398.32 $450.07
MUFFLER SUPRA MOOMBA SKIERS CHOICE 0437 3.5" inlet and 3.5" outlet inline Approx 15" overall length OEM 101422 Shipping Dimensions: 8x8x17 Manufactured by Ultra Marine....
2014 Muffler Kit Mastercraft - 5.7 Standard X10/25/30/46 Port And Starboard Mufflers 250041B
$1,055.20 $1,334.52
Mastercraft Muffler Kit - 2014 5.7L Standard X10/25/30/46 Part# 250041B For Standard 5.7L X10/25/30/46 Kit Includes: 1 - Standard 5.7L Port Muffler 1 - Standard 5.7L...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
$558.00 $823.69
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 Liter OEM 252081 MUFFLER-STBD 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass...
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
$1,183.17 $1,637.68
MUFFLER MASTERCRAFT 2002-2016 8.1 L 4" VRS OEM 253001A MUFFLER-KIT 8.1 VRS '2002 -'2016 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass and highly...
Thrust Washer | Velvet Drive 71-15B Thrust Washer | Velvet Drive 71-15B
$11.45 $12.09
Thrust Washer Velvet Drive 71-15B Replaces Velvet Drive 71-15C 1/16 Inches Thick - 3.6 Inches Wide Newer Style - Plastic; not paper. CLICK HERE FOR...
PCM PowerPlus V-Drive Assembly 1.48:1 Ratio | Pleasurecraft Marine RA156011D PCM PowerPlus V-Drive Assembly 1.48:1 Ratio | Pleasurecraft Marine RA156011D
$4,364.59
PowerPlus v-drive unit with black tag 1.48:1 gear ratio used in combination with the PCM 80S transmission. PCM Power Plus V-drive Assembly 1.48:1 gear ratio...
72C Late Model Oil Baffle | Velvet Drive 1018-036001
$72.00 $80.12
Transmission Oil Baffle 72C Late Model Oil Baffle | Velvet Drive 1018036001 72C Oil Baffle For Velvet Drive 72C transmissions Replaces Velvet Drive 71-140 FOR...
Thrust Washer Alto 023196 | PCM R096005
$18.00 $25.24
Thrust Washer  Replaces Crusader R096005 Replaces Pleasurecraft Marine R096005 Replaces Velvet Drive 71-17
Adaptor Exhaust Inner Sleeve OEM PE00979 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...
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...
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
$1.26 $1.36
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
$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...
5000 Series Oil Seal Velvet Drive 1000044066
$34.00 $39.93
5000 Series Oil Seal OEM Part Oil Seal for 5000 series gears
Verna Ski Inline Muffler - 3 Inch Centek Industries 1000216
$309.33 $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...
Bearing Cone VD-1000133010
$58.21 $64.97
Bearing Cone VD-1000133010 Bearing Cone For Velvet Drive current production reduction units Replaces Crusader R067039 Replaces Pleasurecraft Marine R067039
Bearing Cup VD-1000133009
$17.75 $18.95
Bearing Cup VD-1000133009 Bearing Cup For Velvet Drive 71C and 72C current production reduction units Replaces Crusader R067038 Replaces Pleasurecraft R067038
Bearing Cup VD-1000133001
$98.68 $107.97
$98.68 $107.97
Bearing Cup VD-1000133001 Bearing Cup For Velvet Drive 71C and 72C current style reduction units Replaces Crusader R067021 Replaces Pleasurecraft Marine R067021
Bearing Cone VD-1000133002
$185.27 $252.38
$185.27 $252.38
Bearing Cone VD-1000133002 Bearing Cone For Velvet Drive current production reduction units Replaces Crusader R067020 Replaces Pleasurecraft Marine R067020
Needle Beraring OEM VD-4840D
$23.99
Needle Bearing Bearing Replaces Crusader R067003 Replaces Pleasurecraft Marine R067003
Bronze Reverse Clutch Plate .115 Inch OEM VD-72-A66B
$48.25 $53.90
Reverse Friction Clutch Plate Bronze Reverse Clutch Plate 0.115 inch width approximate and 7.500 inch O/D Fits Velvet Drive 70, 71, 72 and 73 series...
Snap Lock Ring Green For Velvet Drive 050-.054 10-18 OEM VD-4768
$15.38 $16.39
Snap Lock Ring Green For Velvet Drive 050-.054 10-18 OEM VD-4768
Snap Lock Ring Orange For Velvet Drive .074-.078 OEM VD-4768A
$11.49 $12.29
Snap Lock Ring Orange For Velvet Drive .074-.078 OEM VD-4768A
Muffler Mastercraft - 3.5" Inlet/Outlet 2008 LY6 280 OAL Approx 12.25 OEM 252003
$550.00 $784.33
MUFFLER MASTERCRAFT 2008 ONLY AND ONLY FOR THE LY6 and the 4.3 GL PLKD Volvo with serial number 4110145264 3.5" Inlet & Outlet OEM 252003...
Pump Drive Key Woodruff Key 71C 72C
$1.94 $2.21
Pump Drive Key Woodruff Key 71C 72C Woodruff key 71C 72C Pump Drive Key Replaces Crusader 1012721 Replaces Westerbeke 22392
Tube For Velvet Drive Dipstick Velvet Drive VD-2001034003
$48.11 $59.38
Tube For Velvet Drive Dipstick Velvet Drive VD-2001034003 Tube For Oil Dipstick Replaces Velvet Drive 1004-034002
Dipstick Threaded Design Direct Drive Velvet Drive 1018559001
$18.95 $19.16
Dipstick for late model 72C direct drive transmissions with the threaded in design. Velvet Drive Transmission threaded dipstick with o-ring Used on late design model...
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