2007-2008 - 3" wide

2007-2008 - 3" wide 2014+ - 3" & 4" wide

21″ EXTENSION PANELS

For 1997+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. For 70″ sleepers (78″ new sleeper size). Measures 3″ wide. With 1 amber clear M1 LED lite. For 12″ or 16″ lite spacing.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

BLANK EXTENSION PANELS

For 1997+ Peterbilt 379, 2007+ 388 models and 2007-2008 Peterbilt 389 models. For 70″ (78″ new) Unibilt sleepers. Sold in pairs. Blank (no lites). Measure 3″ wide. Hardware included.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

BLANK EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models as well as 2007-2008 Peterbilt 389 models. Measure 3″ wide. For 36″, 48″ and 63″ sleepers (44″, 58″ and 72″ new sleeper sizes). Blank (no lites). Sold in pairs.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1997+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 70″ sleepers (78″ new). Sold in pairs. With amber clear M5 LED lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1997+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 70″ (78″ new) sleepers. Sold in pairs. With amber M5 LED lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers (44″, 58″ and 72″ new sleeper sizes). Sold in pairs. With amber clear M5 LED lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers (44″, 58″ and 72″ new sleeper sizes). Sold in pairs. With amber M5 LED lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers (44″, 58″ and 72″ new sleeper sizes). Sold in pairs. With amber M1 LED lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers. Sold in pairs. With 3 amber clear M1 LED lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1997+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 70″ sleepers (78″ new sleeper size). Sold in pairs. With 1 amber clear M1 LED lite. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers. Sold in pairs. With 1 amber clear M1 LED lite. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1997+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 70″ sleepers (78″ new sleeper size). Sold in pairs. With 1 amber M1 LED lite. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers. Sold in pairs. With 1 amber M1 LED lite. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS

For 1987+ Peterbilt 379, 2007+ 388 models and 2007-2008 Peterbilt 389 models. For 70″ Unibilt sleepers. Sold in pairs. With 1 amber 2″ round lite. Matches 8″, 12″ or 16″ lite spacing. Hardware, lites and harnesses included.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS – 4″ WIDE

For Peterbilt 379, 388 and 389 models. For 70″ (78″) sleepers. M1 amber LED lites. Sold in pairs. Measure 4″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS WITH GLO-LITES

For 2007+ Peterbilt 379 Ultra cab models as well as 388 and 389 models. Use with 78″ (70″ old) sleepers. Sold in pairs. With 1 2″ round glo-lite. Measure 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS WITH GLO-LITES

For 2007+ Peterbilt 379 modes, 2011+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Use with 44″, 58″ and 72″ sleepers (36″, 48″ and 63″ old sleeper sizes). Sold in pairs. With 3 amber 2″ round LED glo-lites. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

EXTENSION PANELS WITH TURN SIGNAL MOUNT

For 1987+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. Fit 36″, 48″ and 63″ sleepers (44″, 58″ and 72″ new sleeper sizes). Sold in pairs. With 1 amber M1 LED lite and turn signal mount. Measures 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

UNDERLIT EXTENSION PANELS

For Peterbilt 379, 388, 2007-2008 2014+ 389 models. For 36″, 48″ and 63″ (44″, 58″ and 72″ new) sleepers. Underlit with 4 amber clear 3/4″ round LED lites per extension panel. Sold in pairs. Measure 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

UNDERLIT EXTENSION PANELS

For Peterbilt 379, 388, 2007-2008 and 2014+ 389 models. For 70″ (78″ new) sleepers. Underlit with amber clear 3/4″ round LED lites. Sold in pairs. Measure 3″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

UNDERLIT EXTENSION PANELS

For Peterbilt 379, 388, 2007-2008 2014+ 389 models. For 70″ (78″) sleepers. Underlit with amber clear 3/4″ round LED lites. Sold in pairs. Measure 4″ wide.

2007-2008 - 3" wide 2014+ - 3" & 4" wide

UNDERLIT PAINTABLE EXTENSION PANELS

For Peterbilt 379, 388, 2007-2008 and 2014-2017 389 models. For 70″ (78″) sleepers. Paintable Underlit with amber clear 3/4″ round LED lites. Sold in pairs. Measure 4″ wide.