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 Mastercraft - 3.0" Offset Inlet/Outlet 17" OAL OEM 252019
30%
Sold Out
MUFFLER MASTERCRAFT STRAIGHT 17" Overall Length. 3.0" offset  inlet/outlet - Note: 3" (3 Inch Inlet/Outlet) 17" OAL  OEM 252019 Manufactured by Ultra Marine. Easy to...
Oil Cooler Transmission Seakamp 12 Inch X 1-1/4 Inch Oil Cooler Seakamp SK-212134
4%
$179.00 $186.32
OIL COOLER TRANSMISSION SEAKAMP 212134 2 in. diameter standard oil cooler accepts 1 1/4 in. water hoses and 3/8 in. NPTF oil connections. Seakamp universal...
Mastercraft Muffler Silent Master for LY6 Part# 252001 - Outside
32%
$435.00 $635.26
Mastercraft Muffler Silent Master for LY6 Part# 252001 - Outside 10 ° Angled 3-1/2" Offset Inlet with 3-1/2" Outlet These are the mates to the UM-252000 Mufflers...
Mastercraft Muffler Silent Master for LY6 - INSIDE Part# 252000 - Inside
28%
Sold Out
Mastercraft Muffler Silent Master for LY6 - INSIDE Part# 252000 - Inside 10 ° Angled 3-1/2" Offset Inlet with 3-1/2" Outlet  These are the mates to the UM-252001...
Dipstick Screw In Hurth 450 - 650 - ZF45 And 63 OEM 90-3064
19%
$83.72 $103.95
This dipstick fits Hurth 450 and 630, ZF 45 and 63 Transmissions with screw-in dipsticks For Hurth 630v and ZF 63 IV transmission 45C, 63C...
OIL COOLER TRANSMISSION SEAKAMP 5 INCH X 1-1/4 INCH OIL COOLER
4%
$145.00 $151.00
OIL COOLER TRANSMISSION SEAKAMP 5 INCH X 1-1/4 INCH OIL COOLER Seakamp universal cooler fits many engine oil or transmission fluid cooling applications 5 in....
OIL PUMP FOR BORG WARNER TRANSMISSIONS 71C - 72C BORG WATER BRAND # VD-3000508001 Oil Pump For Borg Warner Transmissions 71C - 72C Borg Warner Brand VD-3000508001
15%
$774.05 $912.81
OIL PUMP FOR BORG WARNER TRANSMISSIONS 71C - 72C VD-3000508001 OEM Velvet Drive Part NEW Style - Better protection against blowing the seal. Velvet Drive...
Muffler Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet With 3-1/2 Inch O.D. Straight Outlet 43 Inches Long OEM UM-288-3535
27%
$353.00 $481.68
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3535 Angled 60 Degree 3-1/2" Inlet With 3-1/2" Straight Outlet 43" Tip to Tip 3-1/2" Inlet - 3-1/2" Outlet Used...
2014 Muffler Mastercraft - 5.7 Standard X2 Starboard Side 250044BS
17%
$505.65 $605.69
Mastercraft Muffler 2014 5.7L Standard Starboard Side Muffler X2 Part# 250044BS Click HERE for Full Kit Part# 250044B includes both mufflers. Manufactured by Ultra Marine. Easy...
2014 Muffler Mastercraft - 5.7 Standard X2 Port Side 250044BP
17%
$505.65 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard X2 Port Side Muffler X2 Part# 250044BP Full Kit Part# 250044B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet Port 6.0/6.2 Liter OEM 252082
32%
$620.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 6.0/6.2 Liter OEM 252082 MUFFLER - PORT 6.0/6.2 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Starboard 5.7 L ILMOR Engine OEM 252071
17%
$478.15 $573.20
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 5.7 L ILMOR Engine OEM 252071 The body is approx. 6-1/8” in diameter and is 9-1/4” long...
Heat Exchanger 6.0L OEM PCM RA147047
8%
$4,350.00 $4,718.76
High Performance PCM Brand New OEM Transmission 80S HO 30-16-M01 - Set up for a V-Drive - Manual Shift! 1:1 Ratio CLICK HERE For Engine...
Transmission Dipstick 1.23:1 | Pleasurecraft Marine R041059A
16%
$43.75 $52.37
Threaded In style dipstick for PCM 40A transmission models. Thread In style dipstick with O-Ring Used on 40A 1.23:1 Ration Transmission Model This is 6"...
Transmission Cooler Hose 1/2 x 51.5" Length RA045007H
11%
$58.95 $66.06
Replacement Hose For Transmission Oil Cooler - RA045007N Hose 1/2 (.406) X 42" OAL Crusader .406 X 36 in. Oil Hose Assembly Original Crusader Replaces...
Transmission Cooler Hose 45 Inches OEM PCM RA045120
13%
$75.04 $86.03
OEM Crusader 45 inch oil hose runs from oil filter adapter to remote oil filter mount on specific engine models 45 Inches Long O-Ring fitting...
Fiberglass Exhaust Reducer 3 Inch to 4 Inch Centek Industries CENTEK-1200170
21%
$79.95 $100.95
3 inch to 4 inch Fiberglass Exhaust Reducer Centek Industries 1200170 PERFECT for connecting your 3" Exhaust Hose to your 4" Exhaust Tips! SOLD EACH...
Washer | Velvet Drive 1016193001
9%
$27.95 $30.80
Thrust Washer Velvet Drive VD OEM 1016193001 Manufacturer Parrt Number: W1016-193001 Older Paper Style - Thicker than the newer plastic style CLICK HERE FOR THE...
PowerPlus 50W V-Drive MVF Lubricant Quart | Pleasurecraft Marine R193003A-1 PowerPlus 50W V-Drive MVF Lubricant Quart | Pleasurecraft Marine R193003A-1
$61.62
Specially formulated synthetic gear lubricant developed for Pleasurecraft Engine group by Amsoil and recommended for all PCM Powerplus v-drive assemblies. Formulated for ultimate performance Engineered...
Transmission Oil Cooler 5 Inch With O-Ring Threaded 1-1/4 Inch O.D. Barbs OEM Indmar 86-5003 Transmission Oil Cooler 5 Inch With O-Ring Threaded 1-1/4 Inch O.D. Barbs OEM Indmar 86-5003
19%
$157.00 $194.02
Transmission Cooler 5 Inch w/O-Ring Thread | Indmar 865003 Indmar 5 inch transmission oil cooler Overall length is 8 inches and hose connections are 1...
2004-2006 Muffler Kit Mastercraft - 3.5" MCX 280 Twin Port OEM 253016
34%
$1,124.32 $1,699.83
MUFFLER MASTERCRAFT 2004-2006 3.5" MCX 280 Twin Port Side OEM 253017 MUFFLER-KIT 280 TWIN MCX STBD 04 - 06 3.5 INCH OUTLET  Manufactured by Ultra...
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Starboard Side UM-250047AS
17%
$503.98 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard 214V &  X14V Starboard Side Muffler 214V - X14V Part# 250047AS Full Kit Part# 250047A includes both mufflers. Manufactured by Ultra...
Transmission Kit GM 80A 1:23-1 Ratio Pleasurecraft Marine PCM-RF157017-27A CHEVY ONLY Transmission Kit GM 80A 1:23-1 Ratio Pleasurecraft Marine PCM-RF157017-27A CHEVY ONLY
14%
$5,139.00 $6,000.00
Transmission update kit to replace PCM 40A model 1:23-1 ratio with 80A model on GM CHEVY engines and includes all necessary parts for the conversion....
Transmission Kit Ford 80A 1:23-1 Ratio Pleasurecraft Marine PCM-RF157017-27 FORD ONLY Transmission Kit Ford 80A 1:23-1 Ratio Pleasurecraft Marine PCM-RF157017-27 FORD ONLY
14%
$5,139.00 $6,000.00
Transmission update kit to replace PCM 40A model 1:23-1 ratio with 80A model on FORD engines and includes all necessary parts for the conversion. Update...
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