This BOSCH glow plug, part number 1 987 301 137, is engineered to provide efficient and reliable operation for your vehicle's headlight system. Designed with precision, it contributes to optimal starting performance, especially in colder conditions, and ensures consistent illumination for safer driving. BOSCH is a trusted name in automotive components, known for its commitment to quality and innovation. This glow plug upholds that standard, offering durability and performance you can depend on.