1307329115 AL 8E0907391B for Saab for Cadillac This ballast is made of practical materials, has better heat dissipation and shock resistance, and has a built-in high-voltage package for higher reliability. This car headlight ballast module has an internal waterproof circuit board that has been irrigated with glue to protect the internal electronic components from damage and reduce vibration caused by loose and poor for contact Suitable for various road conditions. Its robust and durable construction ensures the product's lifespan and wear resistance. It significantly improves visibility during daylight hours, making your vehicle more conspicuous to other drivers., Manufacturer: ZHANGZHENGYAO