Shop

Product Description

Sleeper extender skirts designed for Peterbilt 379, 378, 388 389 and 386 (without fairing) models. For 36″, 48″ and 63″ (44″, 58″ and 72″ new sleeper size). Continue the sleeper skirts to the end of the extender. Sold in pairs, each of the extenders have 4 amber 3/4″ round LED lights. Measure 4″ wide. Hardware, harnesses and lights are included.

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

You may also like…

  • 48″ Sleeper Skirts For Use With Extenders MD8337

    Part #: MD8337

    48″ Sleeper Skirts For Use With Extenders

    For 2007+ 367, 388/389 Short Hood (123″ BBC) and 2007-2017 389/389 Long Hood (131″ BBC) Peterbilt models. Will not fit 2018+ 389 Long Hood (131″ BBC) models. For 48″ (58″ new) sleepers with extender skirts. Amber 3/4″ round LED lights. Measure 4″ wide.

    Add to Wishlist Add to Wishlist
    Read More
  • 63″ Sleeper Skirts For Use With Extenders MD8341

    Part #: MD8341

    63″ Sleeper Skirts For Use With Extenders

    For 2007+ 367, 388/389 Short Hood (123″ BBC) and 2007-2017 389/389 Long Hood (131″ BBC) Peterbilt models. Will not fit 2018+ 389 Long Hood (131″ BBC) models. For 63″ (72″ new) sleepers with extenders. Amber 3/4″ round LED lights. Measure 4″ wide.

    Add to Wishlist Add to Wishlist
    Read More
  • 36″ Sleeper Skirts To Be Used With Extenders MD8333

    Part #: MD8333

    36″ Sleeper Skirts To Be Used With Extenders

    For 367, 388/389 Short Hood and 389 Long Hood Peterbilt models. Will not fit 2018+ 389 Long Hood (131″ BBC models). For 36″ (44″ new) sleepers. To be used with extender skirts. Amber 3/4″ round LED lights. Measure 4″ wide.

    Add to Wishlist Add to Wishlist
    Read More