New For John Deere 790ELC Excavator ECU Unit Engine Control 9109826 AT159414. Part Name: ECU Engine Contorl Unit, Engine Controller. Part Number: 9109826, AT159414 Application Models for John Deere 790ELC Excavator. UPS Surepost usually takes 1-6 workdays. UPS GROUND usually takes 1-5 workdays. All these transport timeliness Don’t apply to remote districts. 14 days evaluation and investigation takes after receiving your return item. Your satisfaction is our goal, please leave 5 star feedback. Much appreciation in advance.