Free Shipping on Orders $99+
Contact Us
Orders Product Guides
Boat Parts Worldwide

Ignition System Coil - 18-5438

Ignition System Coil - 18-5438

Mfr. Sierra

See Products
On Sale $37.38
Ignition System Coil - 18-5438.

  • For Mercruiser Thunderbolt IV & V ignition systems
  • Replacement for Mercruiser Inboard/Outboard #'s 392-7803A 4 & 392-805570A 2

Part No. Mfr No. Description Unit Leaves Warehouse* List Price
Your Price
Ignition System Coil - 18-5438, 18-5438 Sierra
83471 18-5438 Ignition System Coil Each In-Stock: 1 Day $41.31
On Sale
* Leaves Warehouse: Does not include Weekends and Holidays.
When will my order arrive? Add the Estimated Leaves Warehouse Time + Estimated Shipping Time.
Shipping Info

How much does shipping cost?

If you'd like to see your shipping cost, add the item to your "Shopping Barge" and then use our Shipping Rates Calculator on the next page.

Returns / Exchanges

For Go2marine's shipping and return policy, click here.

Review and FAQ Center

ignition coil

I have a 1989 Mercruiser 4.3 V-6 Ser.# OC522253. Is your ignition coil #18-54388 the correct replacement? Do you stock an "upgrade"?

Submitted by: bill

Hello, 18-5438 is correct. Here is a link to the Pertronix upgrade.

Flame Thrower Ignition Coil


Name / Nickname:


Type of Submission:


Tips on Reviewing:
  • How you use the product
  • What you like about this product
  • How can this product be improved
  • When asking about Engine Parts, please include: Year, Make, Model and Serial Number of engine or part

Please do not include: personal information, profanity or copyrighted works. Conditions of Use
pid: 83471F