This 2003 Chevrolet EXPRESS 3500 ECU is in overall good condition.

Quality OEM Used Auto Parts at a Quality Price. In stock Door Mirrors, Climate Controls, Power Window Switches, ECU and much more. Check out our ebay store for more parts.

Compatible with:

• S10/S15/SONOMA 03 Electronic Control Module; (RH front engine compartment), 4.3L
• YUKON XL 2500 03 Electronic Control Module; (LH front under battery), 8.1L
• SIERRA 2500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 8.1L
• SUBURBAN 2500 03 Electronic Control Module; (LH front under battery), 8.1L
• SIERRA 3500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 8.1L
• SILVERADO 1500 PICKUP 03 Electronic Control Module; (LH front under battery), w/4.3L
• EXPRESS 1500 VAN 03 Electronic Control Module; (LH rear engine compartment)
• SAVANA 2500 VAN 03 Electronic Control Module; (LH rear engine compartment)
• SILVERADO 2500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 8.1L
• SAFARI (GMC) 03 Electronic Control Module; (LH front by battery)
• ASTRO 03 Electronic Control Module; (LH front by battery)
• CTS 04 Electronic Control Module; (RH engine compartment), Base, ID 12581565
• SILVERADO 3500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 8.1L
• SAVANA 1500 VAN 03 Electronic Control Module; (LH rear engine compartment)
• EXPRESS 2500 VAN 03 Electronic Control Module; (LH rear engine compartment)
• SAVANA 3500 VAN 03 Electronic Control Module; (LH rear engine compartment)
• SIERRA 1500 PICKUP 03 Electronic Control Module; (LH front under battery), w/4.3L
• CORVETTE 04 Electronic Control Module; (RH engine compartment), ID 12581565
• EXPRESS 3500 VAN 03 Electronic Control Module; (LH rear engine compartment)
• BLAZER S10/JIMMY S15 03 Electronic Control Module; (RH front engine compartment)
• AVALANCHE 2500 03 Electronic Control Module; (LH front under battery)

Warranty and Shipping:

• We offer a 30 day warranty on all of our parts. If there is an issue with your part please contact us as soon as possible so we can assist you.
• Shipping is via USPS or UPS. We have a 1 day handling time on all orders, meaning we ship out the next business day M-F, unless you order before 7am PST we can ship the same day.
• All of our parts are used and will show wear from previous use on a vehicle. There will be marks and light scratches as these are used items. Car manufacturers make several different parts for the same model years so please make sure to match your part number to either the one in the tittle and or the manufacturer part number field. Please also use use the pictures to ensure a proper fit. Please check with your mechanic if the part you are purchasing might need to be programmed to work. Most electronic parts are not plug and play. Please ask any questions PRIOR to purchase. We strive for 5 star feedback. Please contact us immediately with any questions, concerns, or comments.