Features: 1. Replacement part numbers for reference: 5DV00961000, fit for Buick Regal 2011-13. 2. Quick start at low current, improving the irradiation distance and light range. Pin design, compatible with super fast start ballast 3. Provides short circuit protection, circuit break protection, polarity protection, overload protection and charging protection. 4. Cold start current, no overshoot, speed up the lamp without super power, extend lamp life. 5. Advanced electronic ignition technology, stable high voltage output, less interference, strobe up to 10 million times without damage. Specifications: Item Type: Headlight Ballast Material: Aluminum Alloy Color: Silver Interchange Part Number: 5DV 009610-00, 5DV00961000, 13278005 12, 5DV 009 Manufacturer Part Number: 5DV 009610-00, 5DV00961000, 13278005 12 Voltage entry Rated: 12 (V) Working current: 4.5 (A) Operating temperature range: -40C-105C (C) Switching times: 100000 (times) Starting current: 8 (A) Life: 10000 (hours) Output power: 35 (W) Input voltage range: 9-16 (V) Input power: 35 (W) Ballast interface: D1S Installation instructions: fixed installation, plug and play Fitment: 2013 Fit for Buick Regal Base Sedan 4-Door 2.4L 2384CC 145Cu. In. l4 ELECTRIC/GAS DOHC Naturally Aspirated 2013 Fits for Buick Regal GS Sedan 4-Door 2.0L 1998CC 122Cu. In. l4 FLEX DOHC Turbocharged 2013 Fits for Buick Regal Premium Sedan 4-Door 2.0L 1998CC 122Cu. In. l4 FLEX DOHC Turbocharged 2012 Fits for Buick Regal Base Sedan 4-Door 2.4L 145Cu. In. l4 FLEX DOHC Naturally Aspirated 2012 Fit for Buick Regal Base Sedan 4-Door 2.4L 2384CC 145Cu. In. l4 ELECTRIC/GAS DOHC Naturally Aspirated 2012 Fits for Buick Regal GS Sedan 4-Door 2.0L 1998CC 122Cu. In. l4 FLEX DOHC Turbocharged 2012 Fits for Buick Regal Premium Sedan 4-Door 2.0L 1998CC 122Cu. In. l4 FLEX DOHC Turbocharged 2011 Fits for Buick Regal CXL Sedan 4-Door 2.4L 2384CC 145Cu. In. l4 GAS DOHC Naturally Aspirated 2011 Fit for Buick Regal CXL Sedan 4-Door 2.0L 1998CC 122Cu. In. l4 FLEX DOHC turbocharged Five ballast protection functions: Short circuit protection: If the car line encounters a short circuit, it will automatically cut off the power; Circuit break protection: automatic monitoring and control when the car is turned off; Polarity protection: automatic power off when the positive and negative poles are reversed; Overload protection: automatic balance when the voltage and current in the car are overloaded; Charging Protection: It will automatically compensate when the voltage and current in the car are charged. Package List: 1 x Headlight Ballast Note: Please check the part number of your item, the matching information is for reference only. If you are not sure about the item, please contact us before purchasing to avoid unnecessary return, thank you!