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!

Breather Cap For Velvet Drive Transmissions OEM VD-A4740G Breather Cap For Velvet Drive Transmissions OEM VD-A4740G
8%
$29.00 $31.59
Transmission Breather Cap Velvet Drive Transmission Breather For Velvet Drive 71C and 72C transmissions and V-drives Replaces Crusader R034002 Replaces Pleasurecraft Marine R034002 Replaces Velvet...
Muffler Interchangeable Ultra 3 Inch Straight Inlet With 3 Inch Straight Outlet 13 Inches Long OEM UM-289-3000 Muffler Interchangeable Ultra 3 Inch Straight Inlet With 3 Inch Straight Outlet 13 Inches Long OEM UM-289-3000
41%
$225.00 $380.73
Ultra Marine - Muffler Aftermarket Interchangeable UM-289-3000 13" Total length 3" inlet/outlet Also available in 3-1/2" & 4" in - out Straight 3" Inlet with...
Overhaul Kit Complete Borg Warner 71C And 72C Works With All Ratios Item 023901
20%
$375.00 $468.69
This is The Complete Rebuild Kit for 1017 & 1018 Velvet Drive Transmissions For All Ratios. Includes: All seals Forward & reverse clutches and gaskets...
MUFFLER TIGE' - 3" inlet w/90°angle - 3.5" outlet - Port - 6" body length OEM - UM-TB4178-P
13%
$470.76 $543.21
MUFFLER TIGE' - PORT - LEFT SIDE 3" inlet w/90°angle 3.5" outlet Port 6" body length OEM TB4178-P Shipping Dimensions: 30x14x11 Manufactured by Ultra Marine....
Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet - 15" Body Length OEM - TB4087
16%
$497.50 $589.53
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet 15" body length OEM TB4087 Shipping Dimensions: 12x13x38 Manufactured by Ultra Marine. Easy to install! Ultra...
MUFFLER TIGE' - 3" inlet w/extended 76° angle - 3.5" outlet - 27" body length OEM - 4087-T
23%
$542.18 $704.01
MUFFLER TIGE 3" inlet w/extended 76° angle 3.5" outlet 27" body length OEM - 4087-T Shipping Dimensions: 12x12x48 Manufactured by Ultra Marine. Easy to install!...
Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet OEM - UM-4178-T Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet OEM - UM-4178-T
23%
$420.76 $549.70
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet Estimate Overall Length is 29 Inches OEM - UM-4178-T Shipping Dimensions: 12x13x37 Manufactured by Ultra Marine....
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 43 Inches Long OEM UM-288-3001
32%
$329.00 $486.95
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3001 60 Degree Angled 3" Inlet With 3" Straight Outlet 46" Tip to Tip 35" Barrel 4-1/4" Outside Diameter...
2013 MUFFLER MASTERCRAFT - Port 3.5"inlet w/68° angle tilted 15° - 90° outlet  OEM 252089P
12%
$909.49 $1,038.57
MUFFLER MASTERCRAFT 2013 - 2014 PORT SIDE Port 3.5" inlet w/68° angle tilted 15° 90° outlet OEM 252089P MUFFLER - PORT SIDE  - 2013 -...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5"Inlet/Outlet - Vertical Starboard 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252063
35%
$547.98 $847.62
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5"inlet/outlet Vertical Starboard 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252063 MUFFLER-3.5"VERT. STARBOARD LATE 2009 - 2011 214V/MS/XS/ex.35 CLICK HERE FOR PORT...
1998-2006 Muffler Kit Mastercrfaft - TBI VRS 205V/210/230 /Xstar/200/X1/215 - 06)  OEM 253000
29%
$1,353.06 $1,915.33
MUFFLER MASTERCRAFT KIT 1998-2006 TBI VRS 205V/210/230 /Xstar/200/X1/215 - 06 Does NOT include the rubber elbows! OEM 253000 Inlets are straight Inlet holes are center...
Transmission Oil Cooler 5 Inch Barrel X 1-1/4 Inch O.D. Barbs CRU-97112
8%
$157.00 $169.95
Transmission Oil Cooler - OEM Crusader / PCM 8 inch overall length 1-1/4 inch water hose connections Original Crusader Replaces Marine Power 0440-001 If you...
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...
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...
MUFFLER TIGE' - 3" inlet w/90° angle - 3.5" outlet - Starboard - 5.5" body length OEM - UM-TB4178-S
13%
$470.76 $543.21
MUFFLER TIGE' - STARBOARD SIDE 3" inlet w/90° angle 3.5" outlet Starboard 5.5" body length OEM - TB4178-S Shipping Dimensions: 30x14x11 Manufactured by Ultra Marine....
2013-2014 Muffler Mastercraft - 3.5"Inlet/Outlet - Starboard Universal  OEM 252087S
30%
$725.00 $1,037.39
MUFFLER MASTERCRAFT 2013 - 2014 3.5"inlet/outlet Starboard Universal OEM 252087S MUFFLER - STARBOARD SIDE 2013 - 2014  Manufactured by Ultra Marine. Easy to install! Ultra Marine...
Packing Box Replacement Hose 4-1/2 Inches Long 1-3/4 Inch I.D. Buck Algonquin 80HO175 Packing Box Replacement Hose 4-1/2 Inches Long 1-3/4 Inch I.D. Buck Algonquin 80HO175
19%
$23.50 $28.99
Replacement stuffing box packing box hose for 00PB88, 00PB100. 00PB113, 00PB125175, and 00PB113LH. 1-3/4 Inch Inside Diameter Packing Box Hose 2-3/8 Inch Outside Diameter 4-1/2...
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...
Sealant Marine Grade 3M White 5200 Fast Cure
34%
$28.00 $42.74
5200 3M Fast curing adhesive sealant ideal for permanent bonding of fiberglass, wood and gelcoat. 3M 5200 marine adhesive sealant Fast cure in 24-48 hours...
Damper Plate Standard Plate GM 5.7 - 5.0 - Hurth OEM R140019 OEM Crusader damper plate fits 262, 305, 350, 454, and 502 cu. in. marine engines to ZF Hurth and Velvet Drive 5000 series transmissions. OEM Crusader damper plate R140019Damper Plate Standard Plate GM 5.7 - 5.0 - Hurth OEM R140019
3%
$324.00 $334.26
OEM Crusader damper plate fits 262, 305, 350, 454, and 502 cu. in. marine engines to ZF Hurth and Velvet Drive 5000 series transmissions. OEM...
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