Red Dot 74R5061 Accumulator

74R5061 A/C accumulator for Peterbilt mobile air conditioning systems uses R-134a refrigerant to protect the compressor by separating liquid refrigerant from vapor and capturing moisture, while supporting proper oil return for long‑term reliability. The part features 1-1/16" female O-ring inlet and outlet connections and a compact cylindrical body measuring 3-1/2" in diameter by 9-1/2" in length, with an approximate weight of 1.54 lb, designed for tight engine bays in Peterbilt trucks. It is commonly used as an OEM replacement in Peterbilt models 357, 375, 378, 379, and 385, with interchange references including 101-8789, 176-3900, and 18-03837 among others, and is compatible with R-134a refrigerant in on‑road mobile A/C systems.