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!

Gasket - Seal Kit Transmission Hurth - ZF - 630 IV OEM 316807AB Gasket - Seal Kit Transmission Hurth - ZF - 630 IV OEM 316807AB
$125.00 $198.70
We have only 2 left. If you can add one to your cart, we still have it. If this item shows sold out, Click Here...
MUFFLER TIGE' - 3" inlet w/90° angle - 3.5" outlet - Starboard - 5.5" body length OEM - UM-TB4178-S
$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....
Muffler Interchangeable Straight 3 Inch O.D. Inlet & 3 Inch O.D. Straight Outlet 41 Inches Long OEM UM-288-3000
$265.00 $427.70
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3000 Straight 3" Inlet With 3" Straight Outlet 41" Tip to Tip 35" Barrel Length The O.D. of the...
Products Oil Cooler Transmission Indmar OEM 5 Inch Oil Cooler With O-Ring Adaptors for 3/8" Fittings 1-1/4 Inch O.D. OEM 49-5150
$161.82 $174.27
OIL COOLER TRANSMISSION 5" STANDARD COOLER INDMAR BRAND 5 inch Standard Cooler with straight 3/8" Fittings Replaces Crusader 97112 Replaces Marine Power 0440-001 Replaces Pleasurecraft...
2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050 2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
$521.64 $873.28
MUFFLER MASTERCRAFT 2009 - 2011 4" Inlet with 60° angle 3.5" Outlet with 80° angle Vertical 8.1 Liter 235/245/255/XS OEM 252050 MUFFLER-4 > 3.5 FG...
PCM 1:1 80S V-Drive GM Transmission Kit Pleasurecraft RF157015-25 PCM 1:1 80S V-Drive GM Transmission Kit Pleasurecraft RF157015-25
$4,100.00
Transmission update kit to replace PCM 40IS model 1:1 ratio with 80S transmission used in combination with the PCM PowerPlus v-drive on GM engines.  Conversion...
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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 Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
$17.95 $20.18
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
Outlet Exhaust 3-1/2" Straight Flange Exhaust No Baffle-Muffler Outlet Stainless Steel No Flapper Needed
$218.90 $273.90
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
2013-2014 Muffler Mastercraft- 3.5" Inlet/Outlet - Port Universal  OEM 252087P
$708.68 $1,037.30
MUFFLER MASTERCRAFT 2013 - 2014 3.5"inlet/outlet Port Universal OEM 252087P MUFFLER - PORT SIDE 2013 - 2014 Manufactured by Ultra Marine. Easy to install! Ultra...
2008-2012 Muffler Mastercraft Angled 3-1/2" Offset Inlet At 20° Angle Vertical 280-MCX 252002
$472.50 $699.99
Mastercraft Muffler Silent Master for MCX 2008 - 2012 Part# 252002 20 ° Angled 3-1/2" Offset Inlet Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
2004-2006 Muffler Kit Mastercraft - MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A
$1,309.22 $1,801.79
MUFFLER KIT MASTERCRAFT 2004-2006 MCX 205V/X2/210/X10/230/X30/280/X80/Xstar/X1 OEM 253010A Does NOT include the rubber elbows! Inlets are tilted outwards towards the end caps Inlet holes are...
Transmission Filter Kit ZF Industries 3312199031
$92.00 $93.00
Transmission Filter Kit | ZF Industries 3312199031 Zf transmission filter with o-rings Original equipment ZF item Check product attachment for transmission applications Replaces Hurth 463772,...
Fitting Transmission Cooler 90 Degree OEM 89-5002
$4.15 $4.47
Replacement Fitting For Transmission Oil Cooler - OEM Indmar 895002  
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Replacement Hose For Transmission Oil Cooler - Indmar 811105 & PCM RA045007H Hose 1/2 X 35 1/2 OAL Flex Loc Replaces PCM RA045007H
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Replacement Hose For Transmission Oil Cooler - OEM Indmar 811145 ONE LEFT THEN THIS ITEM WILL BE NO LONGER AVAILABLE. IF YOU CAN ADD ONE...
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...
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