OMC Parts / OMC Cobra Stern Drive Tech Drawings

OMC core deposit or OMC Cobra return information
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Suggested items for OMC Cobra lower unit repair
1978 thru 1986 Tilt motor
1967 thru 1977 Tilt motor
400 800 Stringer seal kits upper gearcase
400 / 800 Stringer OMC Parts Upper gearcase
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400 / 800 Upper gearcase drawing
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400 / 800 Tru-Course Steering
400 / 800 Stringer Water Pump Components
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400-800 Lower Gears Clutch Dog
800 Repair cost lower gearcase
1986 thru 1992 Components Lower Gearcase
1986 thru 1992 Gears Upper Gearcase
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1978 to 1981 Hydraulic Assist Gear Ratio Chart
1973 - 1977 Electric Shift Gear Ratio Chart
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1986-1992 Transom Components
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Yamaha warehouse
King Cobra Gear Chart
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Mercruiser Repair Manual Components
Newsletter 1986 thru 1992 repair techniques upper gear case
Oil seal Stringer upper gearcase
OMC i need help page
OMC manifold Chevy and Ford marine engine
OMC Cobra Water Pump
Propeller hardware 800 / 400 series
Repairs or trade-in shipping address
Stern drive troubleshooting starts with carburetor
Stringer Stern Drive Chart 1973 to 1986
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transom service kit
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Used OMC Cobra Components
Used 400/800 stringer parts
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Volvo Penta Warehouse
GLM Marine product warranty
International shipping rates by UPS
400 Series lower gearcase drawing
800 Series lower gearcase drawing
engine coupler
Oil pump
Boat accessories
Boat trailer accessories
800 series upper gearcase repair cost
Drive shafts 400 800 and stringer
u-joint & water pump shaft
Stringer electric shift switch
OMC core return / OMC Cobra deposit information and shipping instructions
All OMC Cobra or 400/800 Stringer gearcases from T.C. Marine require a core deposit of $360. This deposit is refunded once we receive your OMC trade in (core).
 
*Severely damaged, unusable OMC Cobra or Stringer cores with gearcase housings which have extensive housing damage (examples: missing pieces of skag (lower fin) on lower units, very large holes in housing which can't be welded). Unusable cores do not qualify for a full core deposit refunds. Please contact us if you have any questions regarding your core.

Accepted OMC Core Returns

  • OMC Cobra upper and lower units
  • 400 / 800 upper and lower units
  • Stringer (electric shift) upper and lower units
Ship to:
 
T.C.Electronics / Marine
21 Canadian Road Unit 17
Toronto Ontario
Canada M1R 5G2
 
Instructions:
 
Place core into box and pack with solid foam (available at most construction stores). If shipping an OMC Cobra upper unit, remove drive shaft and U-joint as our new and rebuilt OMC Cobra upper units do not include the drive shaft or U-joint. All oil must be drained from the unit before shipping.
 
If shipping an OMC Cobra upper unit - the top cover assembly with dipstick must be included (see photo below) with the core. ($35 will be deducted from core charge if top cover and dipstick are not sent with core)

Top cover assembly.jpg
Top cover assembly
Dipstick.jpg
Dipstick

Ship UPS ground
1-800-PICK-UPS (742-5877)
 
Please state on UPS shipping form: 
 
Value for customs $12.00 - boat parts for repair only returning to USA  
 
*Customer is responsible for brokerage or customs charges and taxes if core returned package is not declared at a value of $12.00
Core Packing
L Cobra upper gearcase core packing.jpg
For questions or help regarding returning your OMC Cobra 400-800 Stringer core, please contact us at 416 751-7326
 
T.C. Marine
Monday - Friday (416) 751-7326
10 am - 8pm Eastern Standard Time

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