A reliable air brake compressor is foundational to safe heavy vehicle operation. For Mack trucks built between 1995 and 2000, the OEM 303GB5114 air brake compressor delivers steady, dependable air pressure to your braking system. When it begins to fail, you risk soft brakes, inadequate air pressure, or even brake lockups—all of which are unacceptable in demanding road conditions.
-
Generates compressed air for the secondary and service brake circuits, ensuring your brakes always have adequate pressure
-
Maintains proper air pressure recovery rate, allowing your system to respond quickly between stops
-
Built to Mack’s original design specifications, promoting fit, reliability, and longevity
-
Helps prevent common issues like air pressure starvation, compressor lag, or pressure drops while idling
-
Durable construction handles constant cycles, heat, and vibration typical in heavy-duty service
When your air system starts showing symptoms such as extended build times, low reserve pressure, or frequent warning lights, the compressor is often the first component to inspect. Swapping in a correct OEM 303GB5114 unit restores your braking system’s firmness, reliability, and safety. Don’t gamble with your brakes—trust in a compressor built to match the original standards.