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Custom OEM Warning Lights: From Concept to Certification | LIYI

2026-07-27

Standard warning lights are great for general use, but specialized missions demand specialized solutions. Whether you need a low-profile light bar for aerodynamic efficiency, a specific amber wavelength for mining, or a unique mounting footprint for marine vessels, off-the-shelf products often fall short. At LIYI, we offer comprehensive OEM/ODM services, guiding you seamlessly from a rough concept to a fully certified, production-ready warning light.

Why Standard Light Bars Don't Fit Every Mission

Every vehicle has unique operational constraints. A light bar that works for a highway patrol car might be too tall for a low-clearance mining truck, or lack the specific flash pattern required by local airport regulations. Customization isn't just about aesthetics; it's about integrating safety lighting perfectly into your vehicle's operational ecosystem without compromising performance.

 LIYI’s 4-Step Customization Workflow

We have refined our OEM process to minimize risk and accelerate time-to-market:

1. Requirement Definition: We start by understanding your exact photometric, mechanical, and regulatory needs. Our engineers conduct a feasibility analysis to ensure your custom design can actually pass certification.

2. Rapid Prototyping: Before committing to expensive molds, we use high-resolution 3D printing to create functional prototypes. This allows you to verify the fit, finish, and basic optical performance on your actual vehicle.

3. Mold Making & T1 Sample: Once the prototype is approved, our in-house tooling team manufactures precision molds. We then produce T1 samples for your final sign-off before mass production.

4. Homologation Support: Custom shapes can complicate certification. Our compliance team manages the testing and documentation process with authorities like IDIADA or TÜV, ensuring your custom light meets all ECE or SAE standards.

 Ensuring Compliance in Custom Designs

A common misconception is that custom lights cannot be certified. At LIYI, we design with compliance in mind from day one. By understanding the strict photometric requirements of ECE R65 and SAE J845, we ensure that even non-standard housings deliver legally compliant light intensity and distribution.

 FAQ

Q: What is the MOQ for a custom molded light bar?

A: It depends on the complexity of the mold. Generally, our MOQ for custom OEM projects ranges from 100 to 500 units. Contact us for a specific quote based on your design.

Q: How long does the entire OEM process take?

A: Typically, from initial design approval to T1 sample delivery takes 4-6 weeks. Full certification and mass production readiness usually takes 10-14 weeks, depending on testing schedules.

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