Built from premium materials, this OEM Sanden 4639, 4644, 4647, 4664, 8062, 8104 AC compressor delivers high-quality cooling for years of worry-free performance. Designed to meet the rigorous demands of heavy-duty commercial vehicles like Ford, Freightliner, Kenworth, Mack, Navistar International, Peterbilt and Volvo trucks, this compressor uses high-grade metal alloys to achieve maximum durability. Whether you need a direct replacement part or an upgrade to improve your vehicle's comfort, this compressor delivers dependable, efficient operation to keep you and your passengers cool on even the hottest days. Its precise engineering and exact OEM build ensure a perfect fit and easy installation, while a high-quality metal blend construction stands up to the rigors of the road for many seasons of cooling comfort. Install this compressor with confidence, knowing it's backed by Sanden's reputation for reliability, an industry leading manufacturer for years on end.