CDI 421-4401 Mercury Mariner Adapter Harness

CDI 421-4401 Mercury Mariner Adapter Harness

Adapts older Mercury engines with side cowling connection to new 8 pin plug.

Interchangeable With:

• Mercury Marine
  • 84-93669A 2
• CDI
  • 421-4401

Frequently Asked Questions

What is the CDI 421-4401 Mercury Mariner Adapter Harness?

The CDI 421-4401 is an adapter harness designed to adapt older Mercury engines with a side cowling connection to a new 8-pin plug. It provides the connection described for compatible Mercury applications.

What does the CDI 421-4401 adapter harness do?

The CDI 421-4401 adapts an older Mercury engine connection at the side cowling to a new 8-pin plug. Verify your engine connection and plug configuration before purchasing to confirm that this adapter harness is appropriate for your application.

What Mercury part number is interchangeable with the CDI 421-4401 adapter harness?

The CDI 421-4401 is interchangeable with Mercury Marine part number 84-93669A 2. Compare the existing part number with the listed interchangeable number to help confirm that the CDI adapter harness is the correct replacement.

Is the CDI 421-4401 an 8-pin adapter harness?

Yes. The CDI 421-4401 is specifically designed to adapt an older Mercury engine with a side cowling connection to a new 8-pin plug. The product description does not provide specific engine models or years, so verify your application before ordering.

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