Part # : MD8576
579 123″ BBC Cab Skirt – Underbody Exhaust
For 2013-2021 Peterbilt 579 long hood (123″ BBC) models and 2013-2021 567 set-back axle long hood (121″ BBC) models. For trucks with underbody exhaust. Plain (no lights). With block heater cutouts. Skirts measure 2.5″ wide.
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