You can replace just the glass if the mirror housing is intact
Side view mirror glass breaks or cracks far more often than the housing itself. If your mirror frame is solid but the reflective surface is damaged, you do not need to buy an entire new mirror assembly. Replacing only the glass costs between $100 and $300 at a shop, or $15 to $50 in parts if you do it yourself. The job takes 10 to 20 minutes once you have the right glass and know which of three removal methods your mirror uses.
The catch is that mirror glass removal varies by vehicle make and model. Some mirrors use a straightforward push-and-twist design. Others have a clip system. A few use adhesive. Knowing which one you have before you start prevents you from breaking the housing while trying to force out glass that is held a different way.
Key Takeaways
- Mirror glass is held in place by one of three methods: a rotating backing plate you turn by hand, a clip system you pry loose, or adhesive you soften with heat.
- Your vehicle's service manual or the mirror glass supplier's instructions will tell you which method your specific year, make, and model uses.
- Aftermarket mirror glass costs $15 to $50 per side and comes with backing plates and clips already attached.
- If the housing frame is cracked, bent, or the motor does not move the glass, you will need to replace the entire mirror assembly instead.
- A shop replacement takes one to two hours and costs $200 to $400 in labor plus parts, while DIY replacement takes 10 to 20 minutes.
Identify which removal method your mirror uses
Before you buy glass or touch your mirror, look at the back of the mirror housing from inside your car. You are looking for how the glass connects to the frame. Open your door fully and look at the mirror from behind if you can, or use your phone camera to take a photo of the back side.
If you see a knob or lever on the back of the housing, your mirror uses a rotating backing plate. This is the most common design on vehicles made after 2010. The glass sits in a frame that twists out by hand. If you see small metal or plastic tabs sticking out from the edges of the glass, your mirror uses a clip system. These tabs hook into slots in the housing, and you pry them loose with a flat tool. If the back of the housing is smooth and the glass appears glued in place, your mirror uses adhesive, which is less common but appears on some luxury vehicles and older models.
Your vehicle's service manual will confirm which method your car uses. You can also call a glass shop with your year, make, and model, and they will tell you which type of replacement glass to order. Do not guess — forcing the wrong removal method can crack the housing.
Get the correct replacement glass for your vehicle
Mirror glass is not universal. The size, curve, and backing plate design vary by vehicle. Ordering the wrong glass means it will not fit or will not stay in place. You need to know your vehicle's year, make, model, and whether the mirror is heated (many are), tinted, or has a turn signal built in.
Buy replacement glass from an auto parts store, a glass shop, or online retailers that stock OEM (original equipment manufacturer) or aftermarket mirror glass. OEM glass matches your original mirror exactly and costs more. Aftermarket glass is cheaper and works just as well for most drivers. The glass usually comes with the backing plate or clips already attached, so you are not buying just the reflective surface — you are buying the whole assembly that goes into your housing.
A typical aftermarket mirror glass runs $15 to $50 per side, depending on whether it is heated or tinted. OEM glass costs $40 to $100 per side. Confirm the part number matches your vehicle before you pay. If you order online, check the return policy in case the glass does not fit when it arrives.
Remove the old glass using the rotating backing plate method
If your mirror has a knob or lever on the back, this is the easiest removal method. Sit in your car with the door open and look at the back of the mirror housing. You will see a knob, lever, or dial that is part of the backing plate holding the glass in place.
Turn the knob or lever counterclockwise (or in the direction indicated by arrows on the housing) until the glass loosens. You may hear a click or feel resistance — that is normal. Keep turning until the glass can be lifted out by hand. Once it is loose enough, grip the edges of the glass gently and pull it straight toward you. Do not twist or angle it — pull straight out. The backing plate stays in the housing; only the glass comes out.
Set the old glass aside. Insert the new glass into the housing, making sure the backing plate on the new glass aligns with the slot in the housing. Push it in straight until you hear a click. Turn the knob or lever clockwise until it stops. Test the glass by gently pushing on it — it should not move. If it does, turn the knob a bit more.
Remove the old glass using the clip system method
If your mirror glass has small metal or plastic tabs along the edges, those tabs hook into clips inside the housing. You will need a plastic pry tool, a flathead screwdriver, or a credit card to release them without scratching the housing.
Start at one corner of the glass. Slide your pry tool into the gap between the glass and the housing frame. Gently push the tool inward to release the clip holding that corner. You will feel or hear a small pop when the clip lets go. Move to the next corner and repeat. Work your way around all four corners, releasing each clip in turn. Once all clips are loose, the glass should lift out easily by hand.
To install the new glass, align the tabs on the new glass with the clip slots in the housing. Push the glass in firmly at each corner until you hear a click. Start at one corner and work your way around, pressing until all four clips are seated. Test by pushing gently on the glass — it should not move or rattle.
Remove the old glass if it is glued in place
Adhesive-bonded mirror glass is less common but appears on some luxury vehicles and older models. Removing it requires heat to soften the adhesive without damaging the housing. You will need a heat gun, a hair dryer on high setting, or a heat lamp.
Warm the edges of the glass for 30 to 60 seconds, keeping the heat source 6 to 8 inches away. Do not overheat — you are softening the adhesive, not melting the housing. Once the adhesive is warm, use a plastic pry tool to gently work the glass away from the frame. Start at one corner and work slowly around the edges. The glass should come free gradually as the adhesive softens.
Once the old glass is out, clean any remaining adhesive from the housing using rubbing alcohol and a plastic scraper. Let it dry completely. explore a thin bead of automotive-grade mirror adhesive (available at auto parts stores) around the back edge of the new glass, then press it into the housing. Hold it in place for 30 seconds and let the adhesive cure according to the product instructions — usually 24 hours — before using the mirror.
When to replace the entire mirror assembly instead
If the mirror housing is cracked, bent, or the frame is damaged, replacing just the glass will not fix the problem. You will need to replace the entire mirror assembly. The same applies if the mirror does not move smoothly when you adjust it, or if the motor that powers heated or power-adjustable mirrors is not working.
A full mirror assembly replacement costs $200 to $400 in labor at a shop, plus the cost of the assembly itself ($100 to $300 for aftermarket, $300 to $600 for OEM). The job takes one to two hours because the technician has to remove the door panel, disconnect electrical connectors, and install the new assembly. If you are comfortable working on cars, you can do this yourself and save the labor cost, but it requires removing interior trim and working with electrical connections.
Frequently Asked Questions
Can I drive with a cracked mirror glass?
Yes, but it is not safe. A cracked mirror reduces your visibility and can distract you while driving. Many states have laws requiring side view mirrors to be intact and functional. Replace the glass as soon as you can.
What if I break the housing while removing the glass?
If you crack or break the housing, you will need to replace the entire mirror assembly. This is why it is important to use the correct removal method for your vehicle and work slowly. If you are not confident, a glass shop can do the job for $50 to $100 in labor.
Do I need to remove the door panel to replace mirror glass?
No. You only need to access the back of the mirror, which you can usually do from inside the car with the door open. You do not need to remove the door panel unless the mirror housing itself is damaged or you are replacing the entire assembly.
How long does mirror glass adhesive take to cure?
Most automotive mirror adhesives cure in 24 hours. Check the product instructions on the adhesive you buy. Do not use the mirror or expose it to water until the adhesive has fully cured, or the glass may come loose.
Can I use regular super glue to reattach mirror glass?
No. Super glue is not designed for the temperature changes and vibration a car mirror experiences. Use automotive-grade mirror adhesive, which is formulated to bond glass to plastic or metal and withstand heat and movement. It costs $5 to $10 and is available at any auto parts store.