Description
PAI FBZ-0505 low-air-pressure warning buzzer for 12 V heavy-duty truck and bus dash circuits, replacing Mack 7MR249, GMC 6262663, and Littelfuse 249901. The buzzer wires in series with a low-air pressure switch and sounds an audible warning whenever air-system pressure drops below the switch’s set point.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | FBZ-0505 |
| Part Type | Low Air Pressure Indicator Buzzer |
| Voltage | 12 V DC |
| Approx. Dimensions | 2.36 in L x 1.84 in W x 0.87 in H |
| Condition | New |
Cross References
This buzzer replaces or is equivalent to the following part numbers:
- Mack: 7MR249
- GMC: 6262663
- Littelfuse: 249901
- PAI Industries: FBZ-0505 (also listed as 0505)
Applications
This 12 V low-air buzzer is used on:
- Mack heavy-duty trucks specifying 7MR249 in the dash low-air warning circuit
- GMC heavy-duty trucks specifying 6262663 in the dash low-air warning circuit
- Other commercial trucks and buses calling for the Littelfuse 249901 low-air pressure indicator
Confirm the existing buzzer’s connector style and operating voltage before ordering — PAI also offers FBZ-0504 (PAI 0504) for similar but not identical low-air buzzer applications.
