Part # : MD9123
80″ cab/sleeeper/extender – 579 123″ BBC with cab exhaust
For cab exhaust Peterbilt 579 long hood (123″ BBC) and 567 set-back axle long hood (121″ BBC) models. Cab/80″ sleeper/extender. 3″ wide. X2AG2 LED (9), block heater hole.
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