OMC Parts / OMC Cobra Stern Drive Tech Drawings

Boat trailer parts warehouse & accessories

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1978 thru 1985 new lower unit
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1986 thru 1993 Rebuilt upper gearcase
Suggested items for OMC Cobra lower unit repair
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400 800 Stringer seal kits upper gearcase
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400 / 800 Upper gearcase drawing
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800 Repair cost lower gearcase
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1978 to 1981 Hydraulic Assist Gear Ratio Chart
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400 Series lower gearcase drawing
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engine coupler
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800 series upper gearcase repair cost
Drive shafts 400 800 and stringer
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Boat trailer parts warehouse:  Lights, hubs, couplers, spare tire carrier and wheel bearings
  • OMC or Mercruiser boat trailer parts and accessories
  • Low profile waterproof trailer lighting
  • Winch and couplers
  • Wheel hub kits 4 or 5 stud versions with 1 inch thru 1-3/8 inch wheel bearings and seals
  • 1-7/8 and 2 inch trailer couplers
  • Spare tire carrier with bolt on 4 or 5 lugs on the wheel hub

Parts photo
Boat trailer parts description
M 404-81090 OMC Mercruiser boat trailer hub kit.jpg
404-81090 OMC / Mercruiser boat trailer hub kit

# 404-81090 $74.98

Various size bearings with 4 and 5 stud versions are also available
 
Replacement 5 stud super lube UHI hub kit. Includes seals, 1-1/16" and 1-3/8" bearings, cotter pin key, dust cap with five lug nuts in kit.
Hub cavity and bearings are fully pregreased.
Grease bearings and seals come preassembled for easy installation.
M 107-75090 Low profile trailer light kit o.jpg
Low profile trailer light kit

# 107-75090 $64.98

Low profile waterproof trailer light kit includes
 
One right-hand and one left-hand waterproof tail light, stop light, turn signal, side/rear reflex reflector, red side marker light, red rear clearance light and license plate illuminator.
 
Two 'stud mount' amber waterproof side mark lights.
 
One license plate bracket, 25 ft. 'wishbone' trailer wiring harness and trunk connector 4 feet long.
 
Accessory bag with frame clips, wire nuts, mounting bolts with complete wiring instructions.
M 175-20050 Heavy duty 2 speed boat trailer winch m.jpg
Heavy duty 2 speed boat trailer winch

# 175-20050 $109.98

Two speed rust resistant OMC trailer winch
Capacity up to 2000 pounds
 
Dual speed loads large boats easily.
 
Winch is designed for use with boat strap or marine rope.
 
Ratchet handle does not need to be changed to change speeds.
M 100-01010 OMC trailer spare tire carrier.jpg
OMC bolt on trailer spare tire carrier

# 100-01010 $34.98

Spare tire carrier
 
Easily to install zinc plated for corrosion resistance
 
Fits all trailer tongues up to 3x4 inches
 
Side offset allows for mounting away from trailer
 
Use both 4 and 5 lug trailer tire wheels
M 109-09600 1-7-8 inch trailer coupler o.jpg
109-09600 1-7/8 inch trailer coupler

# 109-09600 $26.98

Trailer coupler
 
1-7/8 inch ball size with 2-1/2 inch housing
 
Gross trailer weight up to 2000 lbs / 908 kg
 
Features tuffplate finish for additional rust resistance meets all requirements for SAE J684 and VESC V5 standards
M 109-09800 Two inch trailer coupler o.jpg
109-09800 Two inch trailer coupler

# 109-09800 $29.98

Two inch trailer coupler
 
2 inch ball size with 3 inch housing
 
Gross trailer weight up to 3500 lbs / 1589 kg
 
Features tuffplate finish for additional rust resistance meets all requirements for SAE J684 and VESC V5 standards
 
Quick lock ball clamp assembly provides a precise fit for proper towing.
U.S.A. Paton number 6,481,740,B1