Collision Repair FAQ

Why OEM Parts Are Better for Windshield Repair and Replacement

When it comes to windshield repair or replacement in Los Angeles, many car owners are tempted to go with the cheapest option available. But your windshield is more than just a piece of glass—it’s a key component of your vehicle’s safety system. Choosing Original Equipment Manufacturer (OEM) parts over aftermarket alternatives can make a significant difference, especially in newer vehicles equipped with advanced driver assistance systems (ADAS).

Here’s why OEM parts are the better choice for windshield repairs and replacements in today’s vehicles:


1. Guaranteed Fit and Compatibility

OEM windshields are made by the same manufacturer that produced your vehicle’s original glass. This means the dimensions, thickness, tint, and curvature are all designed to match your car exactly. Aftermarket windshields, on the other hand, are made to fit a wide range of models and may not align perfectly with your car’s frame or components. Even a small variation in size or shape can lead to issues like wind noise, leaks, and reduced structural integrity.


2. Critical for ADAS Calibration

Most modern vehicles come with ADAS features like lane departure warnings, forward collision alerts, and automatic emergency braking. These systems often rely on sensors and cameras mounted near or on the windshield.

When replacing a windshield, it’s not just about fitting the glass—it’s about ensuring that these systems are properly recalibrated. OEM windshields are designed with exact placement markers for sensors and cameras, which helps ensure accurate recalibration. Aftermarket windshields may slightly alter the angle or positioning of these elements, leading to sensor malfunctions or inaccurate readings that compromise your safety.


3. Peace of Mind with Quality and Warranty

OEM parts are built to meet the same safety and quality standards as the original components in your vehicle. When you opt for OEM glass, you’re getting a product that’s been tested and approved by your car’s manufacturer. Many OEM parts also come with a manufacturer warranty, giving you added peace of mind. With aftermarket windshields, quality can vary greatly between brands, and warranties may be limited or nonexistent.

4. Better Resale Value and Insurance Support

Choosing OEM parts for repairs can help maintain your vehicle’s value, especially if you plan to sell or trade it in down the line. In some cases, your insurance provider may even cover the cost of OEM parts, particularly if your policy includes OEM endorsement. If your vehicle is a lease, there is a possibility that you will be charged for the replacement to install the original OEM part once you return your vehicle back to you manufacturer. If not, it’s still worth discussing with your repair center and insurance adjuster—especially for safety-critical components like windshields.

If your windshield needs repair or replacement, don’t cut corners. At Eli’s Collision Repair, with six locations across the Los Angeles metro area, we prioritize safety, quality, and precision. We work with OEM-certified glass and handle the recalibration of your vehicle’s sensors to manufacturer standards—so you can get back on the road with confidence.

Proactive LA

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