166058 Retaining Spring for H4 Bulb

This retaining spring from Zodiac is a critical hardware component designed to secure an H4 bulb within the headlight unit. Manufactured to match standard specifications, it ensures the bulb remains firmly seated despite the constant vibrations encountered during operation on a Harley-Davidson. This spring is a direct replacement for lost or damaged original clips found in most H4-style headlamp assemblies. As a genuine Zodiac product, it offers a precise fit and reliable tension, maintaining the correct alignment of the headlight beam for safe nighttime riding. This simple yet essential part is a must-have for any workshop or tool kit.