AW-17220743903, GT-K4ZB5X3V
Keep your 03–07 Ram 2500/3500 comfortable year-round with proven HVAC parts. CPP Diesel stocks A/C compressors, accumulators, hoses & seals, blower motors & resistors, blend door actuators, heater cores, and case seal kits—all curated for 5.9L Cummins trucks.
Browse the full 03–07 HEATING & A/C category
Yes—moisture and debris can shorten compressor life. Install a new accumulator and fresh O-rings, then vacuum and recharge.
That symptom often points to a failed blower motor resistor or a melted pigtail. Replace both for a lasting fix.
Check your truck’s HVAC controls. Single-zone uses 04885206AB; dual-zone uses 05073983AA. Match the part to your system.