Transform your Peterbilt's profile with these premium stainless steel sleeper extenders that deliver the clean, professional look every owner-operator wants. Built specifically for 70-inch sleepers on Peterbilt 379, 378, 386, and 389 models, these extenders eliminate the gap between your cab and sleeper for a seamless, factory-finished appearance.
Professional Grade Construction
- 304 Stainless Steel Construction: Marine-grade material resists corrosion, road salt, and weather damage for years of reliable service
- 5-Inch Width Design: Perfect proportions provide optimal coverage while maintaining aerodynamic efficiency
- Precision Engineered Fitment: Custom-designed templates ensure perfect alignment with your Peterbilt's existing mounting points
Installation & Compatibility
These sleeper extenders are engineered for straightforward installation on Peterbilt 379, 378, 386, and 389 glider models with 70-inch sleepers. The blank design allows for custom finishing or can be left natural for a clean stainless appearance. Each set includes both driver and passenger side extenders with all necessary hardware for professional installation.
Backed by Chrome Shop Mafia's warranty against defects in workmanship and materials, these extenders represent the quality and durability that serious truckers demand. Built to withstand highway conditions while enhancing your rig's appearance mile after mile.
