28440 Replacement bulb for circuit tester

Electrical diagnostics require tools you can trust, and keeping those tools functional is a priority in any busy shop. This Lisle replacement bulb is designed for use with the 530805, 530741, and 530746 circuit testers. It is a universal fitment for these specific models, providing a bright and reliable light to indicate completed circuits during troubleshooting. Sold individually, this bulb is a direct replacement that ensures you don't have to buy a whole new tester just because a light went out. It’s a small but essential part of any mechanic's diagnostic kit, helping you track down wiring faults quickly and efficiently on any motorcycle.