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Engine Control Module ECU, E.C.U. Factory Part No. 12576523, 218-12603, 21812603
Engine Control Module ECU, E.C.U. (12576523) 218-12603, 21812603 for a 2004-2006 Cadillac XLR, 2005-2006 Cadillac STS, 2004-2006 Cadillac SRX. - SMC Performance and Auto Parts


 
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Engine Control Module ECU, E.C.U. Part no. 12576523, 218-12603, 21812603

Fits select Cadillac XLR, SRX, STS. See Fits section below for details
List Price: $296.16
Our Price: $168.99
Savings: $127.17
Condition:
New Surplus

Not eligible for return. All sales final.  

Quantity in Stock as of Tue May 25 2021:198

Product Code: 12576523
Qty:

Description OEM Part - Original Equipment Manufacturer Fitment Notice
 
New OEM factory surplus Engine Control Module ECU, E.C.U. (12576523) 218-12603, 21812603 for a 2004-2006 Cadillac XLR, 2005-2006 Cadillac STS & 2004-2006 Cadillac SRX . This ECU is designed for the 4.6L (LH2) Northstar, North Star engine with the 5L50-E (M22) transmission. We can refer a reputable programmer/tuner to bench top program the ECU for you.

No Core Charge.

All computers will require programming to your vehicle VIN#. We do not program vehicle computers, but can recommend a couple bench top programmers other than your GM dealer for some of the computers we sell. If you would like a recommendation on a programmer, please mention this in your order notes at the time of purchase and we will include a list with your order.



Please note: This product is not eligible for return. All sales final on electrical parts. Refer to our Return Policies for more details.

It is the responsibility of the buyer to verify fitment prior to purchase.
Please refer to the part number on the part to be replaced/contact your GM dealer with your VIN and the part number in question to ensure accurate application.
Fits

2004 Cadillac XLR
2005 Cadillac XLR
2006 Cadillac XLR

2005 Cadillac STS
2006 Cadillac STS

2004 Cadillac SRX
2005 Cadillac SRX
2006 Cadillac SRX

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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 3 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 Just what the XLR needed. August 25, 2021
Reviewer: MICHAEL LO VULLO from HENDERSON, NV United States  
Used Smc in the past always with great service & of course exact parts where needed. Smc is now my 1st place to visit when parts are needed for my XLR!

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  0 of 0 people found the following review helpful:
 
5 of 5 Great service perfect fit very pleased December 29, 2020
Reviewer: Jarvis Jackson from Philadelphia, PA United States  
I'm at lost of words it fix my problem and saved hundreds of dollars my old ecm was internal short so as a professionally trained technician I was taught to go to the source thank you for you guys hard work you put in to getting my 2005 cadillac sts 4.6 v8 back on the road I will be back to do business with you guys money well spent its installed ready to be program

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  0 of 0 people found the following review helpful:
 
5 of 5 A Big Fan March 2, 2020
Reviewer: Z1 from Bonsall, CA United States  
SMC is the only company that I know of that has a large inventory of new OEM Cadillac XLR parts. Some of the parts SMC has, like an ECU, are the lowest priced anywhere.

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