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!

Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED
4%
$70.00 $72.99
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
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
Oil Cooler 9 Inch Barrel X 1-1/4 Inch Barbs OEM R147005 Oil Cooler 9 Inch Barrel X 1-1/4 Inch Barbs OEM R147005
14%
$182.10 $210.98
OIL COOLER TRANSMISSION 9" Barrel x 1-1/4" Barbs This is for Indmar Ford & GM with Powerslot Will also fit Mercruiser GM - 3/8" NPT...
2013 Muffler Mastercraft - Starboard 3.5"Inlet W/68° Angle Tilted 15° - 90° Outlet  OEM 252089S
20%
$909.49 $1,138.57
MUFFLER MASTERCRAFT 2013 STARBOARD Starboard 3.5" inlet w/68° angle tilted 15° 90° outlet OEM 252089S MUFFLER - STARBOARD SIDE 2013 - 2014 IF YOU NEED...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083
34%
$594.83 $907.97
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
27%
$595.00 $817.22
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...
Transmission Gasket & Seal Kit ZF Industries 3311199035
15%
$125.00 $146.35
Replacement gasket & Seal kit Complete OEM kit includes all gaskets & seals needed to reseal ZF 45C, 63C, & 88C model transmissions. For ZF 45C,...
Seal Front Pump Cover PCM 40A - 40 I Transmissions OEM R047185 Seal Front Pump Cover PCM 40A - 40 I Transmissions OEM R047185
17%
$23.30 $27.96
PCM Front Pump Cover Seal Input seal PCM 40 I and 40 A transmissions. We recommend a new O-ring for the pump cover - CLICK...
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,...
Oil Cooler 12 Inch Barrel X 1-1/4 Inch Barbs OEM R147006 Oil Cooler 12 Inch Barrel X 1-1/4 Inch Barbs OEM R147006
17%
$300.17 $360.20
PCM CRUSADER OIL COOLER TRANSMISSION 12" Barrel x 1-1/4" Barbs 15 in. overall length 2 in. diameter bundle 1 1/4 in. water hose connections Original...
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 9 Inch X 1-1/4 Inch 6.0L Engine OEM R147049
17%
$315.00 $378.40
OEM dual oil engine cooler fits a variety of Crusader engine applications. 14 in. overall length 2 in. diameter bundle 1 1/4 in. water hose...
Oil Cooler Transmission Seakamp 9 Inch X 1-1/4 Inch Oil Cooler Seakamp SK-29134
9%
$175.00 $192.00
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%
$229.01 $260.80
OEM kit includes all gaskets & seals needs to reseal Velvet Drive 71C & 72C marine transmissions. Gasket & Seal Kit - All 71C and...
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Starboard Side 250041BS
17%
$505.65 $605.69
Mastercraft Muffler 2014 5.7L Standard Starboard Side Muffler X10/25/30/46 Part# 250041BS Full Kit Part# 250041B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
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