Fitment: 1987-1989 1992-1994 Peterbilt 357 1986-1987 Peterbilt 359 1987-1989 Peterbilt 362 1988-1989 1991 1993 Peterbilt 375 1987-1994 Peterbilt 377 1988-1994 Peterbilt 378 1987-1991 1993-1994 Peterbilt 379 Description: A/C condenser, aluminum, parallel flow type, factory finish - 100% fit tested, 100% leak tested; Built with specific aluminum alloy for maximum cooling efficiency and corrosion resistance. Restore your car's air conditioning system with this new A/C Condenser. What is the purpose of a condenser? .