These rear air cleaner light bars are designed for 2007+ Western Star 4900FA models (123″ BBC) with 13″ cans. Measures 16.5″ long (A) with a 15″ strap center (B). Sold in pairs, each of the light bars have 4 red 2″ round incandescent lights. The light bars easily mount to the air cleaner strap bolts. Includes wiring harness, brackets, bezels and hardware. Please refer to the image below to measure the strap centers to determine proper part number.
For ordering or pricing information, please visit your local dealership.