Feature 1Replacing OEM numbers for 599236, 06E 903 803 N, 1 4028 1, 2610921, 2613952, 599103, 2618058M. 2Sophisticated craftsmanship, this is perfect to fit for A3/Atlas. 3Mainly used to supply power to all electrical equipment except for the starter. 4Made of high qualiy material of plastic, which makes it durable and have high reliability, will do no damage to your car. 5Engineered to provide the same fit and function of the original one on specific vehicle years, makes and models.Item Type: AlternatorVoltageRegulatorColor: BlackMaterial: ABSCircuit: B-CircuitVoltage Set Point: 14.30 VSoft Start: 12.5 %LRC: 3sFunction: Self-exciting FunctionFitment:Fit for A3 L4 2.0L 1984cc 121cid 2017Fit for A3 L4 2.0L 1984cc 121cid 2017Fit for Atlas V6 3.6L 3598cc 220cid 2018-2020 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x AlternatorVoltageRegulatorNote1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!