The Freightliner And Western Star AC Compressor is a reliable and efficient solution for your truck's air conditioning system. With a 68mm clutch diameter and 8 grooves, this compressor is designed for optimal performance. It uses PAG 46 oil and has a 6-ounce oil capacity, ensuring smooth operation. The 12-volt compressor features direct mount and pad fittings, making it compatible with most Freightliner and Western Star models. With OEM and aftermarket numbers including 22-65771-000, 50312613, and 1440002, this compressor is a practical and cost-effective choice for your truck's AC needs.