12562481 Cadillac Engine Computer Module ECM — 1998–2005 DeVille and Seville

Fits these vehicles

• 1999–2005 Cadillac DeVille — Base Cab & Chassis 4-Door, Base Limousine 4-Door, Concours, DHS, DTS, Protection Series, d'Elegance · 4.6L
• 1998–2004 Cadillac Seville — SLS, STS · 4.6L

Compatibility from our listing. Check your VIN or part number before ordering — we’re happy to confirm.

Details

OEM part number

12562481, 12553671

Condition

Used · OEM — Used, in good working condition.

Make / model

Cadillac / DeVille · 1999–2005

Category

Electrical & modules

Weight

8 lb

Item #

264647626040

Description

What this part is

The engine computer (ECU / ECM) controls fuel injection, ignition timing and idle based on the engine sensors. Units are matched to the engine and, on many cars, to the key and immobilizer, so a replacement may need programming; match the part number before ordering.

Questions about this part

Does this electrical & modules fit my 1999–2005 Cadillac DeVille?

Per our listing, it fits: 1999–2005 Cadillac DeVille; 1998–2004 Cadillac Seville. Match the OEM number 12562481 against your original part to be sure.

Is this part new or used?

It is a used original (OEM) part pulled from a real vehicle. Condition: Used, in good working condition.

How much is shipping and how fast does it ship?

Calculated by ZIP code — enter yours below or at checkout. Ships from Dallas–Fort Worth, Texas within 1–3 business days.

What is the price, and can I make an offer?

$158.95. Yes — use “Make an offer” to name your price; we reply by email.

What if the part doesn’t fit or arrives damaged?

Returns are accepted within 30 days, return shipping is on us, and there is no restocking fee. See the returns policy for details.