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!

2008-2012 Muffler Mastercraft Angled 3-1/2" Offset Inlet At 20° Angle Vertical 280-MCX 252002
32%
$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...
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3" Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
36%
$18.00 $27.99
STUFFING BOX HOSE Includes 2 Stainless Steel Clamps - 1-3/4" Inside Diameter X 3.3" Long.    
Transmission Oil Cooler 5 Inch Barrel X 1" - One Inch O.D. Barbs OEM Crusader R147003 Transmission Oil Cooler 5 Inch Barrel X 1" - One Inch O.D. Barbs OEM Crusader R147003
11%
$141.90 $158.89
Transmission Oil Cooler - OEM Crusader / PCM OIL COOLER, 5 INCH X 1 INCH with 3/8" NPT Fitting
Gasket - Seal Kit Transmission Hurth - ZF - 630 IV OEM 316807AB Gasket - Seal Kit Transmission Hurth - ZF - 630 IV OEM 316807AB
7%
$205.00 $220.80
Seal and gasket kit used on the Hurth 630V1 and ZF 63IV v-drive transmission models Includes pump and control valve gasket, necessary o-rings, input shaft...
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 71 C
15%
$8,495.00 $9,995.00
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 72 C This is a NEW transmission not Rebuilt. This is a NEW 72C (10-18) transmission for 454 Big...
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 71 C Transmission Complete Borg Warner 1:1 Velvet Drive 71 C 1017-000-004
10%
$4,825.00 $5,390.00
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 71 C This is a NEW transmission not Rebuilt! Inline Borg Warner marine transmission Direct drive 1:1 ratio 71C...
2004-2006 Muffler Kit Mastercraft - MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A
27%
$1,309.22 $1,801.79
MUFFLER KIT MASTERCRAFT 2004-2006 MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A Does NOT include the rubber elbows! Inlets are tilted outwards towards the end caps Inlet holes are...
Fitting Transmission Cooler 90 Degree OEM 89-5002
19%
$8.02 $9.95
Replacement Fitting For Transmission Oil Cooler - OEM Indmar 895002  
Transmission Cooler Hose 1/2 x 35.5 LENGTH OEM 81-1105
5%
$69.00 $72.32
Replacement Hose For Transmission Oil Cooler - Indmar 811105 & PCM RA045007H Hose 1/2 X 35 1/2 OAL Flex Loc Replaces PCM RA045007H
Transmission Cooler Hose 45 Inches OEM 81-1145
6%
$45.32 $48.32
Replacement Hose For Transmission Oil Cooler - OEM Indmar 811145 ONE LEFT THEN THIS ITEM WILL BE NO LONGER AVAILABLE. IF YOU CAN ADD ONE...
Damper Plate GM PCM 80 Series ZF And Velvet Drive OEM R140023
17%
$332.00 $399.50
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...
Outlet Exhaust 3-1/2" Straight Flange Exhaust <b>No Baffle-Muffler</b> Outlet Stainless Steel No Flapper Needed
20%
$199.00 $249.00
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...
2013-2014 Muffler Mastercraft- 3.5" Inlet/Outlet - Port Universal  OEM 252087P
32%
$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...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
38%
$545.00 $873.26
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5" inlet/outlet Vertical Port 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252062 MUFFLER-3.5" VERT. PORT LATE '09-'11 214V/MS/XS/ex.35 USE W/RTP/MCX/LY6 CLICK HERE...
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
40%
$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...
Rubber Elbow Set For Muffler Kit Supra Moomba Skiers Choice 3.5" Inlet W/15° Angle - 3.5" Outlet OEM 100701 Rubber Elbow Set For Muffler Kit Supra Moomba Skiers Choice 3.5" Inlet W/15° Angle - 3.5" Outlet OEM 100701
37%
$315.00 $499.00
RUBBER ELBOWS ONLY FOR THE UM-100701 MUFFLER KIT SUPRA MOOMBA SKIERS CHOICE One Set of 2 Rubber Elbows part number 111417 Lead Time To Ship...
Items 49 to 64 of 227 total