Gates Drive Belt Alternator and Air Conditioning For 1987-1999 Peterbilt 357

1987 Peterbilt 357 Engine: 14.6L L6 DIESEL; With 59 1/2 In. 1988 Peterbilt 357 Engine: 14.6L L6 DIESEL; With 59 1/2 In. 1989 Peterbilt 357 Engine: 14.6L L6 DIESEL; With 59 1/2 In. 1990 Peterbilt 357 Engine: 10.5L -6 DIESEL; With 59 3/8 In.