Used Multi-Function Alarm - GM/Bosch 20901252 with insert to replace radio

GRO-01-9259-71 Back Up Alarm LENS Switch for Freightliner

Cole Hersee 4112-RC Buzzer with Pilot Light (Dual Alarm 12V).

Universal 105dB Backup Warning Alarm Beeper Reversing Horn Truck Heavy Vehicle

Used Multi-Function Alarm - GM/Bosch 20901252

ECCO 530 BACK UP ALARM 12-24V / 102 DB(A)

PM PETERSON MANUFACTURING 97DB, 12-24 VDC BACK-UP ALARM 780

Commercial vehicle Fits TRANSBUS 7627001F01 Reversing alarm and bracket H21