NOTICE - HOLIDAY HOURS - WE WILL BE CLOSED FRIDAY, SEPTEMBER 4th THROUGH MONDAY, SEPTEMBER 7th TO CELEBRATE LABOR DAY ...

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!

Flapper Exhaust Protector Valve 4 Inch Flapper Exhaust Protector Valve 4 Inch
$32.05 $36.99
4 Inch Exhaust Flapper Protective Valve With Clamp Exhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water...
Muffler Supra Moomba Skiers Choice 3.5" Inlet W/60° - 3.5" Outlet OEM 104425
$585.00 $657.84
MUFFLER SUPRA MOOMBA SKIERS CHOICE & SOME MASTERCRAFT AND OTHERS 3.5" inlet w/60° Angle 3.5" outlet Overall Length Approximately 26" OEM 104425 Shipping Dimensions: 30x14x11...
Muffler Interchangeable Straight 3 Inch O.D. Inlet & 3 Inch O.D. Straight Outlet 41 Inches Long OEM UM-288-3000
$265.00 $427.70
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3000 Straight 3" Inlet With 3" Straight Outlet 41" Tip to Tip 35" Barrel Length The O.D. of the...
Muffler Interchangeable 13" Ultra Straight 3-1/2 Inch O.D. Inlet With 3-1/2 Inch O.D. Straight Outlet 13 Inches Long OEM UM-289-3120
$265.00 $413.67
Ultra Marine - Muffler Aftermarket Interchangeable UM-289-3120 Ultra Straight 3-1/2" Inlet With 3-1/2" Straight Outlet 13" Tip to Tip 3-1/2" in - 3-1/2" out Some...
Oil Cooler Transmission Standard Indmar 9 Inch Cooler Standard O-Ring Thread OEM 86-5004 Oil Cooler Transmission Standard Indmar 9 Inch Cooler Standard O-Ring Thread OEM 86-5004
$265.00 $274.55
OIL COOLER TRANSMISSION 9" STANDARD O-RING THREAD INDMAR OEM 86-5004 Indmar 9 inch transmission oil cooler Overall length is 9 inches and hose connections are...
Damper Plate GM PCM 80 Series ZF And Velvet Drive OEM R140023
$399.50 $414.48
Transmission damper drive plate used with 80 series PCM transmission, ZF Hurth and Velvet Drive transmissions on GM engines with 14" diameter flywheel. Damper drive...
PCM 1:1 80S V-Drive GM Transmission Kit Pleasurecraft RF157015-25 PCM 1:1 80S V-Drive GM Transmission Kit Pleasurecraft RF157015-25
$4,100.00
Transmission update kit to replace PCM 40IS model 1:1 ratio with 80S transmission used in combination with the PCM PowerPlus v-drive on GM engines.  Conversion...
4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000 4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000
$374.00 $399.99
Pair of polished stainless steel thru hull exhaust tips fit inboard boats with 4 in. exhaust. This is a set of 2 tips! 90 degree...
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$218.90 $273.90
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050 2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
$521.64 $873.28
MUFFLER MASTERCRAFT 2009 - 2011 4" Inlet with 60° angle 3.5" Outlet with 80° angle Vertical 8.1 Liter 235/245/255/XS OEM 252050 MUFFLER-4 > 3.5 FG...
2008-2012 Muffler Mastercraft Angled 3-1/2" Offset Inlet At 20° Angle Vertical 280-MCX 252002
$472.50 $699.99
Mastercraft Muffler Silent Master for MCX 2008 - 2012 Part# 252002 20 ° Angled 3-1/2" Offset Inlet Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Transmission Oil Cooler Adapter Fitting 8MB x 6FP  OEM Indmar 60-1015
$4.28 $4.61
OIL COOLER TRANSMISSION ADAPTOR INDMAR OEM 60-1015 FITTING COOLER ADAPTOR 8MBX6FP Transmission oil cooler adapter fitting Fitting has 1/2 ORB thread on cooler end and...
Sold Out
Alto Flywheel mounted transmission drive plate typically used on GM and Chrysler big block marine engines with Velvet Drive 72 series or Paragon transmissions. We...
Neoprene Exhaust Tip Gasket Corsa® Performance 10197
$12.00 $14.48
The gasket is made to seal between Corsa 4 in. exhaust tip & the boat's transom. Thru hull exhaust tip gasket For 4 inch exhaust...
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
$17.95 $20.18
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
2013-2014 Muffler Mastercraft- 3.5" Inlet/Outlet - Port Universal  OEM 252087P
$708.68 $1,037.30
MUFFLER MASTERCRAFT 2013 - 2014 3.5"inlet/outlet Port Universal OEM 252087P MUFFLER - PORT SIDE 2013 - 2014 Manufactured by Ultra Marine. Easy to install! Ultra...
Items 49 to 64 of 244 total