16236757 | 1998 Buick Century 3.1L PCM Engine Computer ECM ECU Programmed Plug&Play

12586242 | 2004 GMC Sierra 1500 Denali 6.0L PCM Engine Computer ECM ECU Programmed Plug&Play

12586242 | 2004 GMC Sierra 1500 Denali 6.0L PCM Engine Computer ECM ECU Programmed Plug&Play

$172.00
Regular price ~~$213.99~~

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12586242 | 2004 GMC Sierra 1500 Denali 6.0L PCM Engine Computer ECM ECU Programmed Plug&Play

$172.00

Description

🚚 We Ship Worldwide

👍 Lifetime Warranty

✅ 100% Tested & Programmed OEM Replacement

12586242 | 2004 GMC Sierra 1500 Denali 6.0L PCM Engine Computer ECM ECU Programmed Plug&Play

This Engine Computer is a high-quality, direct-fit refurbished replacement for 2004 GMC Sierra 1500 Denali / 2500 / 2500 HD / 3500 6.0L. It is programmed to your vehicle's VIN for a straightforward Plug & Play installation.

Each unit is individually inspected, professionally refurbished, programmed, and quality-control tested by experienced technicians before shipment. No unit leaves our facility without passing a complete diagnostic process.

Compatible with OEM part numbers including: 12586242, 19260789, 19299226, 89017738, 12583660.

📦

WHAT'S INCLUDED

✓ 1x 12586242 | 2004 GMC Sierra 1500 Denali 6.0L PCM Engine Computer ECM ECU Programmed Plug&Play
✓ VIN programming for your exact vehicle
✓ Latest OEM software updates installed when applicable

🚘

COMPATIBILITY

Year: 2004
Make: GMC
Model: Sierra
Additional Model Info: 1500 Denali; 2500; 2500 HD; 3500
Engine: 6.0L
Selected Part Number: 12586242
Compatible Part Numbers: 12586242, 19260789, 19299226, 89017738, 12583660

⭐

WHY CHOOSE US?

✓ VIN programmed for your exact vehicle — Plug & Play, with no additional programming needed
✓ OEM-quality refurbished unit, thoroughly tested by experienced technicians
✓ Lifetime Warranty
✓ Fast worldwide shipping after VIN confirmation
✓ Latest OEM software updates included when applicable
✓ 150+ verified 5-star reviews

🔔 Important – VIN Required

To ensure proper programming of your module before shipment, we require your Vehicle Identification Number (VIN). Please provide it during checkout in the designated field. If unavailable at checkout, you may send it later via email at sales@autocomputerusa.com, call (305) 456-0505, or text/WhatsApp us at 786-269-4099.

⚠️

COMMON SYMPTOMS

● Check Engine Light that will not clear
● Crank-no-start condition or intermittent starting issues
● Rough idle, hesitation, stalling, or loss of power
● No communication with the engine computer
● Misfire, fuel, ignition, or emissions-related diagnostic codes
● Transmission shifting issues on vehicles where the PCM controls shifting

🚚

SHIPPING

We offer fast worldwide shipping. Your unit is securely packaged and shipped after VIN confirmation.

🔄

RETURNS

Returns are accepted within the stated return window if the item is unused and in its original condition. A restocking fee may apply.

👍

WARRANTY

This unit comes with a Lifetime Warranty.

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