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!

Muffler Supra Moomba Skiers Choice 0437 - 3.5" In/Out Inline Approx 15" Overall Length OEM 101422
11%
$398.32 $450.07
MUFFLER SUPRA MOOMBA SKIERS CHOICE 0437 3.5" inlet and 3.5" outlet inline Approx 15" overall length OEM 101422 Shipping Dimensions: 8x8x17 Manufactured by Ultra Marine....
MUFFLER MASTERCRAFT ANGLED 3-1/2" 60° INLET 3-1/2 " STRAIGHT OUTLET 38" LONG 250016
25%
$315.83 $423.17
Mastercraft Muffler Part# 250016 60 Degree Angled 3-1/2" Inlet With 3-1/2" Straight Outlet 3-1/2" Angled 60 Degree Inlet 3-1/2" Straight Outlet 38 Inches long - approximately Manufactured...
2011-2014 Muffler Mastercraft - 3.5" W/80° Elbow -28" Body OEM 252079
28%
$587.50 $816.62
MUFFLER MASTERCRAFT 2011 - 2014 3.5" W/80° Elbow 28" Body OEM 252079 MUFFLER - 3.5" Outlet X 80* INLET 2011 - 2014 with a 28"...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Starboard 6.0L - ILMOR Engine OEM 252073
19%
$557.05 $686.62
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 6.0L - ILMOR Engine OEM 252073 MUFFLER-STARBOARD 2011 - 2012 USE W/ILMOR 6.0L Manufactured by Ultra Marine....
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard 5.7 Liter OEM 252081
32%
$558.00 $823.69
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 Liter OEM 252081 MUFFLER-STBD 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass...
2011-2012 MUFFLER MASTERCRAFT -  3.5" inlet/outlet - Port 6.0L - ILMOR Engine OEM 252072
24%
$674.83 $886.91
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 6.0L - ILMOR Engine OEM 252072 MUFFLER-PORT 2011 - 2012 USE W/ILMOR 6.0L  Manufactured by Ultra Marine....
ULTRALIFT Water Lift System 3” | 45° Side Inlet | 3” Top Outlet | 10” Base UM-2973030
22%
$527.00 $674.95
ULTRALIFT MUFFLER Water Lift System – 3” 45° Side Inlet – 3” Top Outlet – 10” Base Sailboat Auxiliary Engines Sailboat Generators Power Boat Generators Main...
Transmission Cooler Hose 1/2 x 51.5" Length RA045007H
6%
$74.00 $78.80
Replacement Hose For Transmission Oil Cooler - RA045007U Hose 1/2 (.406) X 51.5" OAL Crusader .406 X 51.5 in. Oil Hose Assembly Original Crusader Replaces...
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T
33%
$530.00 $795.00
Tige 2100 Muffler 3-1/2" Straight Inlet - Outlet UM-4067-T Part# 252004 - Sold Each - Fits Starboard & Port 3-1/2" Straight Inlet & Outlet OAL...
Bell Housing Dust Shield | Barr MC-24-14043
13%
$45.50 $52.00
Bell Housing Dust Shield | Barr MC-24-14043 Replaces Barr MC24-14043
Thrust Washer | Velvet Drive 71-15B
13%
$10.99 $12.69
Thrust Washer Velvet Drive 71-15B Replaces Velvet Drive 71-15C Newer Style - Plastic; not paper. CLICK HERE FOR THE OLDER PAPER STYLE
72C Late Model Oil Baffle | Velvet Drive 1018-036001
13%
$71.00 $81.17
Transmission Oil Baffle 72C Late Model Oil Baffle | Velvet Drive 1018036001 72C Oil Baffle For Velvet Drive 72C transmissions Replaces Velvet Drive 71-140 FOR...
Thrust Washer Alto 023196 | PCM R096005
29%
$18.00 $25.24
Thrust Washer  Replaces Crusader R096005 Replaces Pleasurecraft Marine R096005 Replaces Velvet Drive 71-17
Forward Clutch Cylinder Bearing Velvet Drive B107A
21%
$39.25 $49.90
Forward Clutch Cylinder Bearing Replaces Velvet Drive 4937A Replaces Crusader R067007 Replaces Pleasurecraft Marine R067007
Spring Velvet Drive 71-97 | R0460001
35%
$2.00 $3.06
Spring Velvet Drive 71-97 | R0460001 Replaces Crusader R0460001
Adaptor Exhaust Inner Sleeve OEM PE00979 Adaptor Exhaust Inner Sleeve OEM PE00979
13%
$95.00 $108.95
Ilmor 5.7L engine exhaust inner sleeve adapter. OEM PE00979 This sleeve is compatible with the following: MV8 5.7L MV8 5.7L OPS MV8 6.0L MV8 6.0L...
Crusader #8 x 46" Hose Assembly OEM CRU-22622
5%
$145.00 $152.03
Crusader #10 x 44.5 in. Hose Assembly | 445 Degree Female and 0 Degree Male Original Crusader Replaces Crusader 22167, 22421
Crusader #8 x 44" Hose Assembly OEM CRU-22619
4%
$94.05 $98.29
Crusader #10 x 44.5 in. Hose Assembly | Straight Ends Original Crusader Replaces Crusader 22167, 22421
Crusader #10 x 44 1/2" Hose Assembly OEM CRU-22624
4%
$74.95 $78.08
Crusader #10 x 44.5 in. Hose Assembly Original Crusader Replaces Crusader 22167, 22421
Crusader #10 x 14" Hose Assembly OEM  CRU-22627
4%
$92.50 $96.60
Crusader #10 x 14 in. Hose Assembly Original Crusader Replaces Crusader 22169, 22419
Crusader #10 x 61" Hose Assembly OEM CRU-22672
7%
$99.95 $107.29
Crusader #10 x 61 in. Hose Assembly Original Crusader Replaces Crusader 22168, 22420
Transmission Oil Cooler Adapter Fitting 8MB x 6FP  OEM Indmar 60-1015
67%
$4.06 $12.41
OIL COOLER TRANSMISSION ADAPTOR INDMAR OEM 60-1015 FITTING COOLER ADAPTOR 8MBX6FP Transmission oil cooler adapter fitting Fitting has 1/2 ORB thread on cooler end and...
2014 Muffler Mastercraft - Prostar 5.7 For Port or Starboard 2500391
29%
$496.75 $697.22
Mastercraft Muffler - 2014 5.7L ULTRA-2500391 Part# 2500391 Fits Port OR Starboard Side SOLD EACH Main Barrel is 4" Diameter - 28" not including inlet...
Transmission Oil Filter ZF Industries 3213308019 Transmission Oil Filter ZF Industries 3213308019
8%
$139.05 $151.30
Original equipment oil filter for various ZF 280 thru 600 series transmissions. ZF spin-on type oil filter Fits a variety of ZF 280, 300, 500...
1982-1988 Muffler Mastercraft - 3" Inlet 60° Angled Elbow 3" Outlet OEM 25-0009
31%
$495.00 $719.99
MUFFLER MASTERCRAFT 1982 through 1988 - 41.5" Approximate Overall Length 3" INLET HORIZONTAL 60° ANGLED ELBOW - 3" OUTLET OEM 25-0009 Part# 25-0009 3" Inlet...
Snap Lock Ring  For Velvet Drive -048 OEM Alto 023258 Snap Lock Ring  For Velvet Drive -048 OEM Alto 023258
18%
$14.00 $16.99
Snap Lock Ring For Velvet Drive -048 OEM Sold Each
Damper Plate For Velvet Drive Alto DA-107 Damper Plate For Velvet Drive Alto DA-107
31%
$254.00 $370.24
Alto Flywheel mounted transmission drive plate typically used on GM and Chrysler big block marine engines with Velvet Drive 72 series or Paragon transmissions. We...
Oil Pump 5000 Series Velvet Drive VD-2002508001 Oil Pump 5000 Series Velvet Drive VD-2002508001
4%
$1,607.71 $1,682.42
Oil Pump 5000 Series Velvet Drive VD-2002508001
Gasket Velvet Drive.OEM 2001045003 Gasket Velvet Drive.OEM 2001045003
16%
$16.50 $19.55
Gasket For Velvet Drive Transmissions
O-Ring Control Valve Velvet Drive OEM 1000141123
7%
$59.99 $64.44
O-Ring Control Valve for Velvet Drive Borg Warner series gears.
5000 Series Oil Seal Velvet Drive 1000044066
7%
$34.00 $36.64
5000 Series Oil Seal OEM Part Oil Seal for 5000 series gears
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...
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