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
$70.00 $83.79
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
Damper Plate GM PCM 80 Series ZF And Velvet Drive OEM R140023
$384.88 $414.48
Transmission damper drive plate used with 80 series PCM transmission, ZF Hurth and Velvet Drive transmissions on GM engines with 14" diameter flywheel. Damper drive...
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 71 C
$8,495.00 $9,995.00
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 72 C This is a NEW transmission not Rebuilt. This is a NEW 72C (10-18) transmission for 454 Big...
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 71 C Transmission Complete Borg Warner 1:1 Velvet Drive 71 C 1017-000-004
$4,958.00 $6,392.00
TRANSMISSION COMPLETE BORG WARNER 1:1 VELVET DRIVE 71 C This is a NEW transmission not Rebuilt! Inline Borg Warner marine transmission Direct drive 1:1 ratio 71C...
2013 Muffler Mastercraft - Starboard 3.5"Inlet W/68° Angle Tilted 15° - 90° Outlet  OEM 252089S
$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...
Oil Cooler Transmission Standard Indmar 9 Inch Cooler Standard O-Ring Thread OEM 86-5004 Oil Cooler Transmission Standard Indmar 9 Inch Cooler Standard O-Ring Thread OEM 86-5004
$198.80 $214.09
OIL COOLER TRANSMISSION 9" STANDARD O-RING THREAD INDMAR OEM 86-5004 Indmar 9 inch transmission oil cooler Overall length is 9 inches and hose connections are...
Seal Rear Flange PCM 40A - 40A 1.23:1 Transmissions OEM R047191 Seal Rear Flange PCM 40A - 40A 1.23:1 Transmissions OEM R047191
$24.40
PCM Rear Flange SealPCM 40 I and 40 A transmissions.You should not have to drain the case because of the case design due to the...
Seal Front Pump Cover PCM 40A - 40 I Transmissions OEM R047185 Seal Front Pump Cover PCM 40A - 40 I Transmissions OEM R047185
$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...
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
$845.00 $944.76
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 MASTERCRAFT ANGLED 3-1/2" 60° INLET 3-1/2 " STRAIGHT OUTLET 38" LONG 250016
$395.83 $523.17
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...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
$545.00 $873.26
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5" inlet/outlet Vertical Port 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252062 MUFFLER-3.5" VERT. PORT LATE '09-'11 214V/MS/XS/ex.35 USE W/RTP/MCX/LY6 CLICK HERE...
PowerPlus 50W V-Drive MVF Lubricant Quart | Pleasurecraft Marine R193003A-1 PowerPlus 50W V-Drive MVF Lubricant Quart | Pleasurecraft Marine R193003A-1
$48.11
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 Adapter Fitting 8MB x 6FP  OEM Indmar 60-1015
$4.28 $4.61
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...
Transmission Gasket & Seal Kit ZF Industries 3311199035
$123.63
Replacement gasket & Seal kit Complete OEM kit includes all gaskets & seals needed to reseal ZF 45C, 63C, & 88C model transmissions. For ZF 45C,...
Dust-Starter Cover for Bell Housing BOTTOM Mount Starter Indmar OEM MC-24-0001
$9.11 $9.81
Starter Dust Cover Plate For Indmar Bell Housing with a BOTTOM MOUNT Starter Dust-Starter Cover for the bottom mount starter mounting slot on bell housing when using bottom...
O-Ring Large PCM All 40A - 40 I Transmissions OEM R047187 O-Ring Large PCM All 40A - 40 I Transmissions OEM R047187
$6.24
PCM Front Pump Cover O-Ring LARGE R047187 O-Ring for ALL PCM 40 I and 40 A transmissions Original Pleasurecraft Marine
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
$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...
Dipstick Screw In Hurth 450 - 650 - ZF45 And 63 OEM 90-3064
$69.38 $74.72
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...
Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM PCM RK173018 Gasket - Seal Kit Transmission 71C - 72C Velvet Drive Brand OEM PCM RK173018
$152.93
PCM 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
$545.00 $655.99
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...
2014 Muffler Mastercraft - 5.7 Standard X10/25/30/46 Port Side 250041BP
$505.65 $605.69
Mastercraft Muffler 2014 5.7L Standard Port Side Muffler X10/25/30/46 Part# 250041BP Full Kit Part# 250041B includes both mufflers. Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet Starboard 6.0/6.2 Liter OEM 252083
$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...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Port 5.7 Liter OEM 252080
$603.75 $847.62
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 5.7 Liter OEM 252080 MUFFLER - PORT 5.7 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Port 5.7 L ILMOR Engine OEM 252070
$568.05 $749.88
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port Side 5.7 L ILMOR Engine OEM 252070 MUFFLER-PORT 2011 - 2012 - USE W/ILMOR 5.7L The body...
2009-2014 Muffler Mastercraft - 3-1/2" Horizontal 50° Angled Elbow - 3-1/2" Outlet 190/197 OEM 252020
$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 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
$182.55 $194.92
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...
Spring Velvet Drive 71-97 | R0460001
$3.17
Spring Velvet Drive 71-97 | R0460001 Replaces Crusader R0460001
Dust-Starter Cover for Bell Housing TOP Mount Starter Indmar OEM 80-5062
$7.19 $7.74
Starter Dust Cover Plate For Indmar Bell Housing with a TOP MOUNT Starter Dust-Starter Cover for the top mount starter mounting slot on bell housing when using...
Transmission Kit Ford 80I 1:1 Ratio Pleasurecraft Marine RF157016-26
$4,364.58
Transmission update kit to replace PCM 40I model 1:1 ratio with 80I model on FORD engines and includes all necessary parts for the conversion. Conversion kit...
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
$38.00 $46.52
Replacement CORSA branded Salisbury style exterior flapper. Salisbury 4 in. Flapper with Hose Clamp Replaces Corsa Performance 10072 Sold individually - Sold Each
4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000 4 Inch Angle Cut Transom Exit Exhaust Tips Set of 2 With Flapper Corsa Performance 11000
$374.00 $399.99
Pair of polished stainless steel thru hull exhaust tips fit inboard boats with 4 in. exhaust. This is a set of 2 tips! 90 degree...
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
$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...
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