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 Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet - 15" Body Length OEM - TB4087
16%
$477.05 $569.09
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet 15" body length OEM TB4087 Shipping Dimensions: 12x13x38 Manufactured by Ultra Marine. Easy to install! Ultra...
Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet OEM - UM-4178-T Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet OEM - UM-4178-T
24%
$402.86 $531.80
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet OEM - UM-4178-T Shipping Dimensions: 12x13x37 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Muffler Tige' - D4028 - Silent Rider V-Drive Dual 4" Inlets  - Dual 3.5" Outlets OEM - D4028
20%
$1,279.00 $1,599.00
MUFFLER TIGE' CUSTOM Dual 4" Inside Diameter Inlets - Dual 3.5" Inside Diameter Outlets The outlets are extended approx. 13" out from the main cylinder....
Needle Bearing Velvet Drive VD-1000132055
6%
$31.05 $33.09
Needle Bearing for Velvet Drives
Needle Beraring OEM VD-4840D
12%
$19.00 $21.60
Needle Bearing Bearing Replaces Crusader R067003 Replaces Pleasurecraft Marine R067003
Neoprene Exhaust Tip Gasket Corsa® Performance 10197
20%
$9.95 $12.49
The gasket is made to seal between Corsa 4 in. exhaust tip & the boat's transom. Thru hull exhaust tip gasket For 4 inch exhaust...
O-Ring Control Valve Velvet Drive OEM 1000141123
6%
$58.75 $62.56
O-Ring Control Valve for Velvet Drive Borg Warner series gears.
O-RING FRONT PUMP COVER BORG WARNER TRANSMISSION O-RING WITH GASKET PCM # RM0008
5%
$17.61 $18.60
O-RING FRONT PUMP COVER WITH GASKET BORG WARNER 71C & 72C TRANSMISSIONS PCM # RM0008 This is an Original Pleasurecraft Marine Item RM0008 O-RING, FRONT COVER...
O-Ring Large PCM All 40A - 40 I Transmissions OEM R047187 O-Ring Large PCM All 40A - 40 I Transmissions OEM R047187
18%
$5.75 $6.99
PCM Front Pump Cover O-Ring LARGE R047187 O-Ring for ALL PCM 40 I and 40 A transmissions Original Pleasurecraft Marine
O-Ring Shift Spool Borg Warner Transmissions 71C - 72C Velvet Drive Alto 010210B
$1.45
SHIFT SPOOL O-RING BORG WARNER 71C & 72C TRANSMISSIONS Fits 71C and 72C  Alto 010210B This replaces PCM / Crusader R047010
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
5%
$211.65 $221.66
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...
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
14%
$182.10 $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...
Oil Cooler Transmission Seakamp 9 Inch X 1-1/4 Inch Oil Cooler Seakamp SK-29134
7%
$164.00 $175.62
SEAKAMP BRAND OIL COOLER TRANSMISSION 9" Barrel x 1-1/4" Barbs This is for Indmar Ford & GM with Powerslot Will also fit Mercruiser GM -...
Oil Cooler 9 Inch X 1-1/4 Inch 6.0L Engine OEM R147049
1%
$209.00 $212.06
OEM dual oil cooler fits a variety of Crusader engine applications. 14 in. overall length 2 in. diameter bundle 1 1/4 in. water hose connections...
Oil Cooler 9 Inch X 1-1/4 Inch SeaKamp OEM  SK-29144
8%
$174.00 $189.95
2 in. diameter standard oil cooler accepts 1 1/4 in. water hoses and 1/2 in. NPTF oil connections. Seakamp universal cooler fits many engine oil...
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
24%
$122.39 $159.99
OIL COOLER TRANSMISSION 5" STANDARD COOLER INDMAR BRAND 5 inch Standard Cooler with 3/8" Fittings Replaces Crusader 97112 Replaces Marine Power 0440-001 Replaces Pleasurecraft Marine...
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...
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 Cooler Transmission Standard Indmar 5 Inch Cooler 3/8 Inch Fittings OEM 86-5001 Oil Cooler Transmission Standard Indmar 5 Inch Cooler 3/8 Inch Fittings OEM 86-5001
17%
$132.25 $159.99
OIL COOLER TRANSMISSION 5" STANDARD COOLER INDMAR BRAND 5 inch Standard Cooler with 3/8" Fittings Replaces Crusader 97112 Replaces Marine Power 0440-001 Replaces Pleasurecraft Marine...
Oil Pump 5000 Series Velvet Drive VD-2002508001 Oil Pump 5000 Series Velvet Drive VD-2002508001
4%
$1,574.33 $1,633.42
Oil Pump 5000 Series Velvet Drive VD-2002508001
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
20%
$680.00 $850.50
OIL PUMP FOR BORG WARNER TRANSMISSIONS 71C - 72C VD-3000508001 OEM Velvet Drive Part NEW Style - Better protection against blowing the seal. Velvet Drive...
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
9%
$17.95 $19.83
Oil Pump Gasket Borg Warner Transmissions 71C - 72C Velvet Drive VD-3-61
45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE! 45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE!
31%
$191.19 $277.53
45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull Incorporates an internal muffler...
Outlet Exhaust 3-1/2" Straight Flange Exhaust <b>No Baffle-Muffler</b> Outlet Stainless Steel No Flapper Needed
20%
$199.00 $249.00
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...
Overhaul Kit Complete Borg Warner 71C And 72C Works With All Ratios Item 023901
43%
$265.00 $468.69
This is The Complete Rebuild Kit for 1017 & 1018 Velvet Drive Transmissions For All Ratios. Includes: All seals Forward & reverse clutches and gaskets...
Packing Box Replacement Hose 4-1/2 Inches Long 1-3/4 Inch I.D. Buck Algonquin 80HO175 Packing Box Replacement Hose 4-1/2 Inches Long 1-3/4 Inch I.D. Buck Algonquin 80HO175
19%
$23.50 $28.99
Replacement stuffing box packing box hose for 00PB88, 00PB100. 00PB113, 00PB125175, and 00PB113LH. 1-3/4 Inch Inside Diameter Packing Box Hose 2-3/8 Inch Outside Diameter 4-1/2...
PUMP ASSEMBLY COMPLETE WITH FRONT SEAL 71-C AND 72-C PCM # RA070001 PUMP ASSEMBLY COMPLETE WITH FRONT SEAL 71-C AND 72-C PCM # RA070001
10%
$693.88 $774.90
PUMP ASSEMBLY COMPLETE WITH FRONT SEAL 71-C AND 72-C This is an Original Pleasurecraft Marine Item RA070001 OIL PUMP FOR BORG WARNER TRANSMISSIONS 71C - 72C...
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
Rolled Edge Exhaust Tips With Flapper - 4 Inch Corsa® Performance 11030 Rolled Edge Exhaust Tips With Flapper - 4 Inch Corsa® Performance 11030
13%
$349.00 $399.99
Pair of polished stainless steel bull nose exhaust tips fit inboard boats with 4 in. exhaust. 90 degree flange exhaust tips For use with 4...
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
20%
$28.51 $35.79
Replacement CORSA branded Salisbury style exterior flapper. Salisbury 4 in. Flapper with Hose Clamp Replaces Corsa Performance 10072 Sold individually - Sold Each
SEAL FRONT OIL SEAL BORG WARNER TRANSMISSIONS 71C - 72C VELVET DROVE BRAND # VD-1000044014
45%
$9.49 $17.18
FRONT OIL SEAL BORG WARNER 71C & 72C TRANSMISSIONS VELVET DRIVE BRAND OEM VD-1000044014 Fits 71C and 72C This is an Original Velvet Drive Marine Item...
Seal Front Pump Cover PCM 40A - 40 I Transmissions OEM R047185 Seal Front Pump Cover PCM 40A - 40 I Transmissions OEM R047185
17%
$23.30 $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...
Items 129 to 160 of 191 total