Description
Product Overview
The Sterlix Kenworth headlight housing is engineered for heavy‑duty trucks that demand resilience and consistent lighting performance. Constructed from high‑quality polypropylene (PP) and reinforced with a stainless‑steel frame, the housing offers exceptional impact resistance, UV stability, and crushing strength. The design incorporates H4 plug compatibility, matching the OEM specifications of Kenworth T400, T600, T800, W900, K100, and C500 models as well as Peterbilt 378/379 series. With package dimensions of 17.6 x 13.2 x 9.4 inches and a weight of 7.68 pounds, the unit is compact yet robust, ensuring a secure fit within the vehicle’s headlamp assembly. The product carries the ASIN B0F7X7PY2B and ranks #78 in Automotive Headlight Housings, reflecting its acceptance among professional drivers.
Usage
Designed for long‑haul, regional, and construction fleet applications, this headlight housing thrives in environments where dust, vibration, and extreme temperatures are routine. Whether navigating rugged off‑road sites, hauling heavy loads across highways, or operating in urban delivery routes, the housing safeguards the headlamp assembly from road debris and weather exposure. Fleet managers and owner‑operators will appreciate the straightforward replacement process: the unit plugs directly into the existing wiring harness, eliminating the need for additional adapters or rewiring. Ideal for drivers who prioritize safety and reduced downtime, the housing ensures the beam remains focused and bright, enhancing visibility during night drives and adverse weather.

Why Choose Us
Sterlix stands out for its commitment to material science and automotive engineering. The PP polymer selected for the housing resists chemical degradation and maintains structural integrity under repeated thermal cycles, while the stainless‑steel frame provides a corrosion‑free barrier against road salt and moisture. Each unit undergoes rigorous SAE/DOT testing to meet safety standards and OEM tolerances, guaranteeing a seamless fit and reliable performance. Our after‑sales service includes prompt technical support and a hassle‑free return policy, ensuring confidence throughout the product lifecycle.
Key Features
- High‑impact PP body with stainless‑steel reinforcement for superior durability.
- Exact OEM fit for Kenworth T400, T600, T800, W900, K100, C500 and Peterbilt 378/379.
- UV‑resistant material prevents yellowing and brittleness over time.
- Direct plug‑in installation eliminates wiring modifications and reduces service time.
- SAE/DOT approved, meeting all safety and performance standards for commercial trucks.
FAQ
Is this housing compatible with all Kenworth models?
The housing is designed for Kenworth T400, T600, T800, W900, K100, and C500 models, as well as Peterbilt 378 and 379 series. Verify your vehicle’s headlamp type (H4) before purchase.
Can I install the housing myself?
Yes. The unit is a direct replacement that plugs into the existing wiring harness. No additional tools or wiring changes are required, making it suitable for DIY installation or quick service shop fits.
What benefits does the stainless‑steel frame provide?
The stainless‑steel frame adds structural rigidity, resists corrosion from road salt and moisture, and helps dissipate heat, extending the lifespan of both the housing and the headlamp bulb.
How does the PP material improve performance?
Polypropylene offers high impact resistance, excellent UV stability, and resistance to chemicals and oil, ensuring the housing remains intact under harsh road conditions.
What is the warranty and after‑sales support?
Sterlix provides a one‑year limited warranty covering manufacturing defects. Our customer service team is available to answer any questions and assist with installation guidance.








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