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.

IMPORTANT - OUR OFFICES WILL BE CLOSED FOR SCHEDULED MAINTENANCE ON THURSDAY, NOVEMBER 21st & FRIDAY, NOVEMBER 22nd.
ALL ORDERS PLACED ON THURSDAY, NOVEMBER 21st THROUGH SUNDAY, NOVEMBER 24th WILL BE PROCESSED WHEN WE OPEN MONDAY, NOVEMBER 25th.

WE APPRECIATE YOUR PATIENCE AS WE IMPROVE OUR ABILITY TO SERVE YOU BY UPDATING OUR INTERNAL COMPUTER SYSTEMS!

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!

2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083
35%
$569.00 $882.14
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083 MUFFLER STARBOARD - 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2009-2014 Muffler Mastercraft - 3-1/2" Horizontal 50° Angled Elbow - 3-1/2" Outlet 190/197 OEM 252020
21%
$629.00 $794.28
MUFFLER MASTERCRAFT 2009-2014 3-1/2" HORIZONTAL 50° ANGLED ELBOW - 3-1/2" OUTLET 190/197 OEM 252020 Part# 252020 3-1/2" Inlet & Outlet Manufactured by Ultra Marine. Easy...
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
Gasket Bearing Retainer Borg Warner Velvet Drive OEM ALTO-023025
39%
$5.00 $8.20
Bearing Retainer Gasket Borg Warner - Item Number 8 in the picture. CLICK HERE FOR PICTURE Bearing Retainer Gasket Replaces Velvet Drive 71-147
Damper Plate GM PCM 80 Series ZF And Velvet Drive OEM R140023
10%
$291.86 $324.99
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...
Muffler Tige' - D4028 - Silent Rider V-Drive Dual 4" Inlets  - Dual 3.5" Outlets OEM - D4028
20%
$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 Transmission Seakamp 9 Inch X 1-1/4 Inch Oil Cooler Seakamp SK-29134
7%
$164.00 $175.62
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
12%
$224.00 $253.21
OEM kit includes all gaskets & seals needs to reseal Velvet Drive 71C & 72C marine transmissions. Gasket & Seal Kit - All 71C and...
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch  O.D. Straight Outlet 24 Inches Long OEM UM-2015
24%
$315.00 $413.32
Ultra Marine - Muffler Aftermarket Interchangeable UM-2015 60 Degree <NOT 45 degree> Angled 3" Inlet With 3" Straight Outlet 3" Angled 60 Degree Inlet 3"...
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Port Side 250041BP
17%
$481.72 $581.76
Mastercraft Muffler 2014 5.7L Standard Port Side Muffler X10/25/30/46 Part# 250041BP Full Kit Part# 250041B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
2014 Muffler Kit Mastercraft - 5.7 Standard X10/25/30/46 Port And Starboard Mufflers 250041B
22%
$1,007.39 $1,286.71
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 - Port 5.7 Liter OEM 252080
30%
$579.82 $823.69
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 5.7 Liter OEM 252080 MUFFLER - PORT 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Port 5.7 L ILMOR Engine OEM 252070
20%
$425.05 $529.27
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port Side 5.7 L ILMOR Engine OEM 252070 MUFFLER-PORT 2011 - 2012 - USE W/ILMOR 5.7L The body...
2002-2016 Muffler Kit Mastercraft - 8.1 L - 4" VRS OEM 253001A
29%
$1,134.00 $1,588.51
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...
Dust-Starter Cover for Bell Housing TOP Mount Starter Indmar OEM 80-5062
14%
$12.00 $14.00
Starter Dust Cover Plate For Indmar Bell Housing with a TOP MOUNT Starter Dust-Starter Cover for the top mount starter mounting slot on bell housing when using...
Transmission Filter Kit ZF Industries 3312199031
5%
$82.00 $86.00
Transmission Filter Kit | ZF Industries 3312199031 Zf transmission filter with o-rings Original equipment ZF item Check product attachment for transmission applications Replaces Hurth 463772,...
Dipstick Down Angle Twist Lock VD 5000 OEM VD-2001559003
19%
$163.00 $200.76
T-handle dipstick assembly for the Velvet Drive 5000 series and Liberty series 8 degree down angle transmission. Velvet Drive 5000 and Liberty series down angle...
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
20%
$28.51 $35.79
Replacement CORSA branded Salisbury style exterior flapper. Salisbury 4 in. Flapper with Hose Clamp Replaces Corsa Performance 10072 Sold individually - Sold Each
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
9%
$17.95 $19.83
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
Items 61 to 80 of 199 total