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!

Fiberglass Exhaust Reducer 3.5 Inch to 4 Inch Centek Industries 1200222
8%
$125.00 $135.91
3.5 inch to 4 inch Fiberglass Exhaust Reducer Centek Industries 1200222 SOLD EACH 3.5" to 4" Fiberglass Exhaust Reducer Connects 3.5 in. inside diameter hose...
Fitting Transmission Cooler 90 Degree OEM 89-5002
19%
$8.02 $9.95
Replacement Fitting For Transmission Oil Cooler - OEM Indmar 895002  
Flapper Exhaust Protector Valve 3 Inch
53%
$14.90 $31.49
3 Inch Exhaust Flapper Protective Valve With Stainless Steel Clamp Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow...
Flapper Exhaust Protector Valve 4 Inch Flapper Exhaust Protector Valve 4 Inch
13%
$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...
Flapper Exhaust Protector Valve With Clamp 5 & 6" SIERRA-18-4458 Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED
9%
$70.00 $77.19
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
Forward Clutch Pack Complete Kit - 71C OEM Velvet Drive
10%
$229.57 $255.15
Complete OEM clutch kit includes all forward clutches & steel plates for Velvet Drive 71C model transmissions. Velvet Drive 71C series forward clutch pack Complete...
Forward Clutch Plate Supercedes 5C-A66A OEM VD-3000166001
7%
$21.45 $22.95
Forward Clutch Plate Velvet Drive VD-3000166001 Bronze Forward Clutch Plate fits Velvet Drive 70, 71, 72, and 73 series 0.061 inch width approximate and 5.250 O/D...
Gasket - Oil Seal Kit Transmission 40A and 40I PCM Transmissions OEM PCM RK173058
12%
$194.00 $220.65
PCM Gasket and Oil Seal Kit PCM Transmission Gasket and Seal Kit Includes the gaskets and seals needed to rebuild PCM brand transmissions For PCM...
Gasket - Seal Kit Transmission 71C - 72C Velvet Drive 023801B
17%
$69.50 $83.56
OEM kit includes all gaskets & seals needs to reseal Velvet Drive 71C & 72C marine transmissions. Gasket & Seal Kit - All 71C and...
Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM PCM RK173018
2%
$153.73 $156.99
PCM kit includes all gaskets & seals needs to reseal Velvet Drive 71C & 72C marine transmissions. Gasket & Seal Kit - All 71C and...
Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM VD-A4867HA
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...
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...
Gasket - Seal Kit Transmission Hurth - ZF - 630 V OEM MMD-3312199020
8%
$349.00 $377.42
Replacement gasket & Seal kit Complete ZF 63IV / 630V Transmission Gasket & Seal Kit Includes new filter & all gaskets/seals needed to reseal ZF 630V...
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
Gasket Velvet Drive.OEM 2001045003 Gasket Velvet Drive.OEM 2001045003
16%
$16.50 $19.55
Gasket For Velvet Drive Transmissions
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.    
Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018 Metric Centa Damper Plate 8.1L & 6.0L Hurth/ZF OEM Crusader R140018
3%
$329.05 $340.92
OEM Crusader Flywheel mounted transmission damper plate by Centa fits 6.0L and 8.1L Crusader GM engines with ZF/Hurth, Velvet Drive 5000 and Liberty series transmissions. M10...
Muffler <b>Supra-Moomba 104378</b> Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM 4207 Muffler <b>Supra-Moomba 104378</b> Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM 4207
45%
$345.00 $621.69
Ultra Marine - Muffler Supra-Moomba 104378 Muffler Number: 104378 Supra-Moomba Interchangeable - PORT or STARBOARD UM-4207 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 33"...
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
32%
$275.00 $401.99
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...
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"...
Items 81 to 100 of 186 total