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!

2014 Muffler Mastercraft - 5.7 Standard X2 Starboard Side 250044BS
17%
$481.72 $581.76
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%
$481.72 $581.76
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
33%
$595.00 $882.14
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
20%
$425.05 $529.27
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...
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
9%
$219.05 $239.88
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...
71C Late Model Oil Baffle Velvet Drive 1017036002
11%
$79.05 $88.52
Transmission Oil Baffle 71C Late Model Oil Baffle Velvet Drive 1017036002  
Dust-Starter Cover for Bell Housing BOTTOM Mount Starter Indmar OEM MC-24-0001
14%
$12.00 $14.00
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...
Splash Plate Top Mount For Bell Housing For TOP Mounted Starter Indmar OEM 53-5047
15%
$37.00 $43.68
Splash Plate For Indmar Bell Housing with TOP MOUNT Starter OEM Indmar for TOP MOUNT starter Used with Indmar Bell Housing 53-1410 & 53-1410P - CLICK...
Bolt For Bell Housing Dust Cover Indmar OEM 565300Q Bolt For Bell Housing Dust Cover Indmar OEM 565300Q
44%
$1.64 $2.95
Screw For Indmar Bell Housing Starter-Dust Cover  Indmar 565300Q Bolt size is 7/16-14 X 1 HHCS Original Indmar SP 25 Flare Head Screw SOLD EACH...
1982-1988 Muffler Mastercraft - 3" Inlet 60° Angled Elbow 3" Outlet OEM 25-0009
45%
$393.00 $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...
Seal Rear Flange PCM 40A - 40A 1.23:1 Transmissions OEM R047191 Seal Rear Flange PCM 40A - 40A 1.23:1 Transmissions OEM R047191
3%
$23.75 $24.40
PCM Rear Flange Seal PCM 40 I and 40 A transmissions. You should not have to drain the case because of the case design due...
Damper Plate For Velvet Drive Alto DA-107 Damper Plate For Velvet Drive Alto DA-107
3%
$359.00 $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...
Damper Plate Velvet Drive OEM VD-1004650007
3%
$795.00 $822.92
OEM Velvet Drive Flywheel mounted transmission drive plate typically used on GM and Chrysler big block marine engines with Velvet Drive 72 series or Paragon...
Needle Bearing Velvet Drive VD-1000132055
6%
$31.05 $33.09
Needle Bearing for Velvet Drives
Washer Velvet Drive VD-1000193022
6%
$47.00 $49.95
Washer for Velvet Drives
Velvet Drive 5000 V-Drive Gasket-Seal Kit VD-2002410001
8%
$419.05 $453.69
Velvet Drive 5000 V-Drive Gasket-Seal Kit VD-2002410001 Velvet Drive 5000 Series Gasket/Seal/Snap Ring Kit For Velvet Drive 5000 series V-drives Original Velvet Drive
Velvet Drive CR2 Series Seal Kit Alto 023801DB
7%
$145.00 $155.28
Velvet Drive CR2 Series Seal Kit Replaces Velvet Drive 1013-410001, 1013-410101
Cap Screw Socket Hex Bolt ZF Industries 0636102823
40%
$2.99 $4.99
OEM Cap Screw Socket Hex Bolt ZF Industries 0636102823
Fiberglass Exhaust Reducer 3.5 Inch to 4 Inch Centek Industries 1200222
8%
$125.00 $135.91
3.5 inch to 4 inch Fiberglass Exhaust Reducer Centek Industries 1200222 SOLD EACH 3.5" to 4" Fiberglass Exhaust Reducer Connects 3.5 in. inside diameter hose...
Bearing Cone VD-1000133010
6%
$57.00 $60.94
Bearing Cone VD-1000133010 Bearing Cone For Velvet Drive current production reduction units Replaces Crusader R067039 Replaces Pleasurecraft Marine R067039
Bearing Cup VD-1000133009
11%
$16.75 $18.77
Bearing Cup VD-1000133009 Bearing Cup For Velvet Drive 71C and 72C current production reduction units Replaces Crusader R067038 Replaces Pleasurecraft R067038
Bearing Cup VD-1000133001
3%
$94.00 $97.20
Bearing Cup VD-1000133001 Bearing Cup For Velvet Drive 71C and 72C current style reduction units Replaces Crusader R067021 Replaces Pleasurecraft Marine R067021
Bearing Cone VD-1000133002
6%
$274.00 $291.60
$274.00 $291.60
Bearing Cone VD-1000133002 Bearing Cone For Velvet Drive current production reduction units Replaces Crusader R067020 Replaces Pleasurecraft Marine R067020
Ball Bearing Velvet Drive VD-1000130018
6%
$274.00 $291.60
Ball Bearing Velvet Drive VD-1000130018 Replaces Velvet Drive B308AGS Replaces Crusader R067005 Replaces Pleasurecraft Marine R067005
Annular Bearing Velvet Drive VD-1000130017
2%
$239.00 $243.00
Annular Bearing Velvet Drive VD-1000130017 Bearing Replaces Velvet Drive B111AG Replaces Crusader 1012779
ZF Transmission Filter Kit MMD Powerline 463772
5%
$78.00 $82.52
Aftermarket transmission filter & o-ring replaces ZF/Hurth 3312199031. ZF transmission filter element and o-ring kit Fits many popular ZF and Hurth marine transmissions Aftermarket replacement...
Muffler Mastercraft PORT Indmar Engines LSA Only Super Charged 6.2L OEM 252076P
29%
$599.00 $849.33
MUFFLER MASTERCRAFT LSA INDMAR SUPERCHARGED ENGINES ONLY PORT SIDE - 252076 Click HERE if you need the Starboard Side.   Manufactured by Ultra Marine. Easy...
Muffler Mastercraft Starboard Indmar Engines LSA Only Super Charged 6.2L OEM 252077STBD
27%
$599.00 $823.69
MUFFLER MASTERCRAFT LSA INDMAR SUPERCHARGED ENGINES ONLY STARBOARD SIDE Click HERE if you need the Port Side.   Manufactured by Ultra Marine. Easy to install!...
Muffler Mastercraft - 3.5" Inlet/Outlet 2008 LY6 280 OAL Approx 12.25 OEM 252003
30%
$550.00 $784.33
MUFFLER MASTERCRAFT 2008 ONLY AND ONLY FOR THE LY6 3.5" Inlet & Outlet OEM 252003 Fits both sides - Starboard & Port MUFFLER - 3.5" STRAIGHT...
Transmission Cooler Hose 1/2 x 36 Length RA045007H Transmission Cooler Hose 1/2 x 42 Length RA045007N
26%
$55.80 $74.95
Replacement Hose For Transmission Oil Cooler - RA045007H Hose 1/2 X 36" OAL Flex Loc 36" Crusader .406 X 36 in. Oil Hose Assembly Original...
Pump Drive Key Woodruff Key 71C 72C
60%
$2.00 $4.99
Pump Drive Key Woodruff Key 71C 72C Woodruff key 71C 72C Pump Drive Key Replaces Crusader 1012721 Replaces Westerbeke 22392
Velvet Drive 5000 Series Gasket-Seal-Snap Ring Kit
21%
$436.90 $556.31
Velvet Drive 2001-410001 Gasket/Seal/Snap Ring Kit Velvet Drive 5000 Series Gasket/Seal/Snap Ring Kit For Velvet Drive 5000 series inline transmissions Original Velvet Drive
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