There are 10 choices

Choose One

Electronic Control Module
- 4 Cyl, 140 cid (2.3L)
  - California
  - Federal
- 6 Cyl, 232 cid (3.8L, EFI)
  - AOD transmission
  - Without AOD transmission
    - California
    - Federal
- 8 Cyl, 302 cid (5.0L)
  - California
  - Federal
Ignition Control
- 4 Cyl, 140 cid (2.3L)
- 6 Cyl, 232 cid (3.8L)
  - EEC IV
  - Without EEC IV

Engine Computer for 1984 Mercury Marquis

Fits: Electronic Control Module 6 Cyl, 232 cid 3.8L, EFI AOD transmission (change)

Filters (0 Items)

Sort By:

Fraud Notice: We do not sell our parts on third party sites, marketplaces, social media sites, or message boards. If you are approached by anyone claiming to be from allusedparts.com from an external source — be aware. We only sell our products though this website.