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If your Johnson or Evinrude outboard (85, 88, 90, 100, 110, 112, or 115 HP) from 1989-1998 is having ignition issues, this CDI power pack (switch box) might be the fix.

It's a direct replacement for common OEM part numbers like 0777630, 0583773, 0584027, and 0584028, as well as aftermarket numbers from Sierra (18-5770) and others.
Designed for 4-cylinder engines, this unit helps control the spark and keep your motor running smoothly.
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Before you buy, PLEASE double-check compatibility:- Match Your Engine: For Johnson & Evinrude 85-115HP 4-cylinder models made between 1989 and 1998.

- Cross-Reference Part Numbers: Replaces OEM: 0777630, 0583773, 0584027, 0584028.

Also fits CDI #113-4028, Sierra 18-5770/-1, Mallory 9-25021, and more.

- Check Your Model: Use the engine nameplate or service manual to confirm your exact HP, year, and model.
Buying the wrong part wastes time and money.

- Quality: Built to original-level standards for durability and performance.

Ideal for DIY mechanics or marine repair shops.

Installation requires some technical knowledge.

5 out of 5