OMC Sterndrive/Cobra Engine Couplers

Blowout
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Limited Sale Price: $192.66
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Part # 18-21752-1 ValueShip™ Eligible
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Fits: Volvo Penta 4.3L (1986-98), 5.0L (1986-88, 1998), 5.7 (1986-92,1994, 1996-98)
Replaces OEM part #
  • Volvo Penta 3858437-1
Limited Sale Price: $340.80
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Part # 18-21753 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 19 hrs 38 mins.
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Fits: Volvo-Penta 5.0L & 5.8L (1989-96)
Replaces OEM part #
  • Volvo Penta 985727
  • Volvo Penta 3853862-5
Engine Coupler - Sierra
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Part # 18-21755
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Only available from Sierra, this engine coupler fits OMC Cobra sterndrive applications using a 2.3L Ford engine between 1987 and 1990. It is a direct OEM replacement.
Limited Sale Price: $570.17
Save: $147.77
(20% Off $717.94)
Part # 18-21754
SHIPS TOMORROW!* if ordered in 19 hrs 38 mins.
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Replaces OEM part #
  • OMC 986232
  • OMC 984537
Fits: 7.5L / 460 King Cobra 1987-1990.

No longer available from OMC. Direct replacement to OEM original. No modification required.

Sierra
Q:
I changed my engine and the coupler doesn't fit the new flywheel. The bolt pattern on the coupler is smaller than the bolt pattern on the flywheel. What coupler would I need to replace my 984290 coupler to fit the new flywheel pattern? The engine is a 1971 or 1979 Chevy 350 small block.?
A:
This would probably require the help of a technician. Reason being is there is no way for us to match up a new flywheel with a coupler. We can only cross reference OEM numbers. You can post a question like this to our forums at http://forums.iboats.com or contact a local technician.
Q:
For 1985 4.3 # 14071177?
Q:
Does the -5 make a difference on the part number. Mine does not have that and I believe I have a 1998 model engine.?
A:
If you mean the OEM number with the "-5" then no it doesn't. This should still cross reference with your OEM number.
Q:
I have an 88 omc King cobra set up 350. I am putting an older style 350 in it and it has a larger crank bolt pattern. The engine coupler will not bolt up. It has a smaller bolt pattern than the crank I have now... Help ASAP!?
A:
Well we only have the ability to match up parts to specific engines. We do not have tech services to recommend conversions like that. You will need to contact your local OMC dealer for specific guidance.
Q:
Is this replacement part for a 1987 5.7 with cobra out drive?
A:
Yes, this should work just fine with that application, among a few other Volvo Penta or OMC/Cobra applications.
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