PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

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!

Velvet Drive 5000 Series Gasket-Seal-Snap Ring Kit
22%
$447.91 $573.00
Velvet Drive 2001-410001 Gasket/Seal/Snap Ring Kit Velvet Drive 5000 Series Gasket/Seal/Snap Ring Kit For Velvet Drive 5000 series inline transmissions Original Velvet Drive
Velvet Drive 2001-410002 Clutch Kit 5000 Series
11%
$1,046.54 $1,173.61
Velvet Drive 2001-410002 Clutch Kit Series 5000 Velvet Drive 5000 Series Transmission Clutch Kit For Velvet Drive 5000 series inline transmissions and V-drives 2 required...
Rolled Edge Exhaust Tips With Flapper - 4 Inch Corsa® Performance 11030 Rolled Edge Exhaust Tips With Flapper - 4 Inch Corsa® Performance 11030
13%
$349.00 $399.99
Pair of polished stainless steel bull nose exhaust tips fit inboard boats with 4 in. exhaust. 90 degree flange exhaust tips For use with 4...
4 Inch Angle Cut Transom Exit Exhaust Tips With Flapper Corsa Performance 11000 4 Inch Angle Cut Transom Exit Exhaust Tips With Flapper Corsa Performance 11000
1%
$394.00 $399.99
Pair of polished stainless steel thru hull exhaust tips fit inboard boats with 4 in. exhaust. 90 degree flange exhaust tips Sold as a pair...
Seal Oil Seal Input Velvet Drive Brand OEM VD-1000044065
15%
$50.42 $59.52
Input Seal Velvet Drive Fist model number 20-02-003 REQUIRES 2 SEALS ! Need the Output Seal? Order the Output seal HERE
Oil Cooler 9 Inch X 1-1/4 Inch SeaKamp OEM  SK-29144
8%
$174.00 $189.95
2 in. diameter standard oil cooler accepts 1 1/4 in. water hoses and 1/2 in. NPTF oil connections. Seakamp universal cooler fits many engine oil...
Sealing Ring Velvet Drive  - Alto Brand #  ALTO-018101 - Replaces VD-2000016050
21%
$9.36 $11.89
SEALING RING VELVET DRIVE ALTO BRAND OEM ALTO-018101 Sealing Ring Sealing Ring Replaces Velvet Drive 2000-016050 Mfg. Part Number - 18101
Sealing Ring Velvet Drive Brand # 4806S - VD-2000016050
6%
$18.98 $20.21
SEALING RING VELVET DRIVE VELVET DRIVE BRAND OEM VD-2000016050 This is an Original Velvet Drive Marine Item Sealing Ring Replaces Velvet Drive 4806B Mfg. Part Number:  W2000-016050
Forward Clutch Pack Complete Kit - 71C OEM Velvet Drive
12%
$241.90 $273.84
Complete OEM clutch kit includes all forward clutches & steel plates for Velvet Drive 71C model transmissions. Velvet Drive 71C series forward clutch pack Complete...
Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM PCM RK173018 Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM PCM RK173018
2%
$153.73 $156.99
PCM kit includes all gaskets & seals needs to reseal Velvet Drive 71C & 72C marine transmissions. Gasket & Seal Kit - All 71C and...
45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE! 45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE!
31%
$191.19 $277.53
45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull Incorporates an internal muffler...
Snap Ring Kit Borg Warner Transmissions 71C - 72C PCM # RK173019 Snap Ring Kit Borg Warner Transmissions 71C - 72C PCM # RK173019
11%
$324.00 $364.50
SNAP RING KIT BORG WARNER 71C & 72C TRANSMISSIONS PCM # RK173019 This is an Original Pleasurecraft Marine Item RK173019 SNAP RING KIT Replaces Crusader 1012764...
O-RING FRONT PUMP COVER BORG WARNER TRANSMISSION O-RING WITH GASKET PCM # RM0008
5%
$17.61 $18.60
O-RING FRONT PUMP COVER WITH GASKET BORG WARNER 71C & 72C TRANSMISSIONS PCM # RM0008 This is an Original Pleasurecraft Marine Item RM0008 O-RING, FRONT COVER...
CLUTCH PLATE INNER REVERSE BORG WARNER VELVET DRIVE # 72-A668 PCM # R160008
14%
$47.69 $55.31
Inner Reverse Clutch Plate For Borg Warner Velvet Drive Transmissions Friction / Pressure Plate  Clutch Plate, Inner Reverse NOTE: 2 are required for most Warner...
CLUTCH PLATE OUTER REVERSE BORG WARNER VELVET DRIVE # 72-176 CLUTCH PLATE OUTER REVERSE BORG WARNER VELVET DRIVE # 72-176
20%
$20.99 $26.40
Outer Reverse Clutch Plate For Borg Warner Velvet Drive Transmissions One is required Steel Plate CLUTCH PLATE, OUTER REVERSE Replaces Crusader 1003513 BORG WARNER TRANSMISSIONS,...
Muffler Interchangeable Angled 3-1/2 Inch O.D. Inlet With 3 Inch O.D. Straight Outlet 46 Inches Long OEM UM-288-3530
29%
$324.00 $458.36
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3530 Angled 3-1/2" Inlet With 3" Straight Outlet 46" Tip to Tip Was used on some Moomba's mid-1990 to...
2014 Muffler Mastercraft Prostar 6.2L Engine 2500381
28%
$405.47 $560.94
Mastercraft Muffler 2014 Prostar 6.2L Engine 6.2 Prostar 3.5" Inlet wit a 90° angle - 3.5" Outlet Part# 2500381 Main Barrel is 6" diameter Overall...
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Starboard Side 250047AS
22%
$455.95 $580.99
Mastercraft Muffler 2014 Prostar 5.7L Standard Starboard Side Muffler 214V & X14V Part# 250047AS Full Kit Part# 250047A includes both mufflers. Manufactured by Ultra Marine. Easy to...
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Starboard Side UM-250047AS
17%
$503.98 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard 214V &  X14V Port Side Muffler 214V - X14V Part# 250047AP Full Kit Part# 250047A includes both mufflers. Manufactured by Ultra...
2014 Muffler Kit Mastercraft Prostar 6.2 Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250038A
18%
$912.44 $1,112.48
Mastercraft Muffler Kit - 2014 6.2L Part# 250038A Kit Includes: 1 - Prostar 6.2L Port Muffler 1 - Starboard Muffler 2 - 35° Fiberglass Elbows Main...
2014 Muffler Kit Mastercraft - Prostar 5.7 Port And Starboard Mufflers With 2 - Fiberglass Elbows 250039A
15%
$1,137.31 $1,331.72
Mastercraft Muffler Kit - 2014 5.7L Part# 250039A Kit Includes: 1 - Prostar 5.7L Port Muffler 1 - Starboard Muffler 2 - Fiberglass Elbows If you...
2014 Muffler Kit Mastercraft Prostar 5.7 CE Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250037
11%
$993.40 $1,112.48
Mastercraft Muffler Kit - 2014 Years Part# 250037 Kit Includes: 1 - Prostar 5.7 CE Port Muffler 1 - Starboard Muffler 2 - 35° Fiberglass Elbows...
2014 Muffler Kit Mastercraft - 5.7 Standard X2 Port And Starboard Mufflers 250044B
25%
$997.25 $1,334.52
Mastercraft Muffler Kit - 2014 5.7L Standard X2 Part# 250044B For Standard 5.7L X2 Kit Includes: 1 - Standard 5.7L Port Muffler 1 - Standard 5.7L...
2014 Muffler Kit Mastercraft - 5.7 Standard 214V - X14V Port And Starboard Mufflers 250047A
18%
$1,100.40 $1,334.52
Mastercraft Muffler Kit - 2014 5.7L Standard 214V & X14V Part# 250047A For Standard 5.7L 214 - X14V Kit Includes: 1 - Standard 5.7L Port Muffler...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Port MCX V-Drive OEM 252074
19%
$548.93 $673.92
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port MCX V-Drive OEM 252074 MUFFLER - PORT 2011 - 2012 USE W/ MCX V-DRIVE Manufactured by Ultra...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard MCX V-Drive OEM 252075
5%
$547.93 $573.92
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard MCX V-Drive OEM 252075 MUFFLER-STBD 2011 - 2012 USE W/ MCX V-DRIVE Manufactured by Ultra Marine. Easy...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Starboard 7.4 Liter OEM 252085
34%
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 7.4 Liter OEM 252085 MUFFLER-STBD 7.4 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Port 7.4 Liter OEM 252084
34%
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 7.4 Liter OEM 252084 MUFFLER - PORT 7.4 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2009-2012 MUFFLER MASTERCRAFT LATE 2009 - 2012 - 4" Inlet/3.5" Outlet - Vertical Starboard 245/255/XS Use W/8.1 OEM 252065
29%
$607.39 $856.70
MUFFLER MASTERCRAFT LATE 2009 - 2012 4" Inlet - 3.5" Outlet Vertical Starboard 245/255/XS Use W/8.1 OEM 252065 MUFFLER-4>3.5"VERT. STARBOARD LATE'2009 - 2012 - 245/255/XS...
2009-2012 MUFFLER MASTERCRAFT LATE 2009 - 2012 - 4" Inlet /3.5" Outlet - Vertical Port 245/255/XS use W/8.1 OEM 252064
29%
$607.40 $856.70
MUFFLER MASTERCRAFT LATE 2009 - 2012 4" Inlet /3.5" Outlet Vertical Port 245/255/XS Use W/8.1 OEM 252064 MUFFLER 43.5" VERT. PORT LATE 2009 -2012  -...
2009-2012 MUFFLER MASTERCRAFT - INLINE HORIZONTAL 3-1/2" INLET - OUTLET 214/220/265 -252004
40%
$460.25 $764.21
Years 2009 - 2012 Mastercraft Muffler Inline Horizontal 214/220/265  Part# 252004 3-1/2" Inlet & Outlet OAL Approx. 35.5" - 36"  Manufactured by Ultra Marine. Easy to install! Ultra...
2005-2006 Muffler Mastercraft - 8.1 Crusader 245 SS OEM 253023A
37%
$1,045.88 $1,668.78
MUFFLER MASTERCRAFT 2005-2006 8.1 Crusader 245 SS OEM 253023A Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass and highly fire-retardant resins make...
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