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44″ Sleeper Skirts with Extenders – Underbody Exhaust

For Peterbilt 567 and 579 models (including New Model/MLU 579) with underbody exhaust and chassis fairings. Not for UltraLoft or models with EPIQ package. For 44″ sleepers with extenders. Blank (no lights). Sold in pairs. Measure 2.5″ wide.

Part # : MD8554
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44″ Sleeper Skirts with Extenders – Underbody Exhaust image

Product Information

These  sleeper skirts are designed for Peterbilt 567 and 579 models (including New Model/MLU 579) with underbody exhaust and chassis fairings. Not for UltraLoft or models with EPIQ package. For 44″ sleepers with extenders. Sold in pairs, each of the sleeper skirts are blank (no lights). Measure 2.5″ wide. Install along the base of the sleeper without damaging the body. Hardware is included.

For ordering or pricing information, please visit your local Peterbilt dealership.

Dieter's will be closed for the holidays from Wednesday, December 24th, 2025, through Friday, January 2nd, 2026. Regular operations will resume on Monday, January 5th. Click here to view contact information.

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