1988-1989 Chevy S10 Blazer 2.8L 4.3L Engine Computer ECM PCM – 1228062

Alright, if you’ve got an ‘88 or ‘89 Chevy S10 or Blazer with the 2.8L or 4.3L engine, this is the engine computer you need.

It’s a factory OEM unit, part number 1228062, and it’s used but fully functional—might have some cosmetic wear but works like it should.

Interchange number 590-2504, superseded by 88999152 and 16089571.

Direct replacement, so no mods needed.

Comes with a 1-year warranty.

If your ECM is acting up or dead, this is a solid swap.

Brand is factory OEM, so it’s what came in the truck.

Check the seller’s notes for condition, but it’s ready to go.