This Peterbilt / Unibilt sleeper window seal filler strip is a high-quality aftermarket replacement for OEM part number 20-03686, engineered to restore a proper seal and fit on your truck's sleeper window.
- Seal filler strip designed specifically for Peterbilt / Unibilt sleeper windows
- Available as part of complete kits 6028K and 6029K for a full installation solution
- Guaranteed fit on applicable Peterbilt models
- Fits Peterbilt Model 357 (1994–2007)
- Fits Peterbilt Model 365 (2008–2023)
- Fits Peterbilt Model 367 (2008–2013)
- Fits Peterbilt Model 377 (1994–2000)
- Fits Peterbilt Model 378 (1994–2007)
- Fits Peterbilt Model 379 (1987–2007)
- Fits Peterbilt Model 384 (2008–2014)
- Fits Peterbilt Model 385 (1996–2007)
- Fits Peterbilt Model 386 (2006–2016)
- Fits Peterbilt Model 388 (2008–2014)
- Fits Peterbilt Model 389 (2008–2025)
Cross References: 20-03686
- Width:
- 18.00 (in)
- Height:
- 13.00 (in)
- Depth:
- 13.00 (in)
- Weight:
- 40.00 LBS