HOLIDAY SCHEDULE!

WE WILL BE CLOSED THURSDAY AND FRIDAY NOVEMBER 27th & 28th TO CELEBRATE THANKSGIVING AND WILL REOPEN ON MONDAY, DECEMBER 1st.

All orders placed during this time will be processed on Monday, December 1st when we resume our normal business hours.

HAPPY THANKSGIVING FROM THE TEAM AT MY INBOARD MARINE & GOD BLESS YOU!

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!

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...
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