Can you replace just the tail light cover?

Yes, it is often possible to replace just the tail light cover on a vehicle without replacing the entire tail light assembly. The tail light cover, also known as the tail light lens, is the red plastic piece that covers the rear tail lights. Over time, these covers can become foggy, cracked, broken, or damaged in accidents, requiring replacement. Replacing just the cover can save time and money compared to replacing the entire tail light assembly.

When is it possible to replace just the tail light cover?

In many modern vehicles, the tail light cover is designed to be easily removable and replaceable independently from the rest of the tail light. This allows the cover to be replaced quickly and cheaply if it becomes damaged without requiring replacement of the entire tail light unit.

Some signs that you may be able to replace just the tail light cover include:

• The cover is held in place by screws or clips that are accessible from the outside of the vehicle.
• There are no screws or bolts holding the cover that require accessing the back of the tail light assembly.
• The cover pops out relatively easily without needing to remove surrounding trim pieces.
• Tail light replacement videos or instructions specify replacing just the cover.
• Auto parts stores sell replacement tail light covers specifically for your vehicle make and model.

As long as the tail light housing and wiring itself is still intact and operational, replacing solely the plastic lens cover is often possible with simple hand tools.

When would you need to replace the entire tail light assembly?

In some cases, the damage may extend beyond just the tail light cover, requiring the entire tail light assembly to be replaced. Signs that the entire tail light may need replacement include:

• The tail light no longer illuminates even with a new bulb.
• There is damage to the metal housing that holds the bulb and wiring.
• You find broken clips or attachment points for the cover.
• The cover has melted or bonded to the housing, requiring force to remove.
• There is cracking or damage to the reflective backing behind the cover.
• Moisture has penetrated into the tail light housing.
• Instructions and part listings specify replacing the complete assembly.

Essentially, if the breakage extends beyond just the plastic lens cover, or moisture/weather damage has affected the lighting function, you’ll need a full tail light replacement.

How to replace a tail light cover

Replacing a tail light cover is usually a quick and simple process, though exact steps can vary by vehicle make and model. In general, you will need to:

1. Remove the screws or clips holding the cover in place. These are often accessible without removing the entire tail light. Consult your owner’s manual if you can’t locate them.
2. Carefully pop the old cover off the housing. Plastic pry tools can help here if it’s stuck on.
3. Thoroughly clean the area with water and auto cleaner to remove any debris.
4. Test fit the new replacement cover to ensure proper alignment before securing it.
5. Reattach the cover using the existing hardware and screws/clips.
6. Check that the tail light now illuminates properly.

Some covers snap directly into place while others require screw fasteners. Work slowly and carefully when removing the old cover to avoid cracking it further or damaging the housing.

What you’ll need

• Replacement tail light cover specific to your vehicle.
• Plastic pry tools.
• Hand screwdriver or drill.
• Clean rags.
• Water and auto surface cleaner.

Check both driver and passenger side tail lights for condensation or moisture inside the lens once removed. Any evidence of water ingress means a full housing replacement is required.

Cost to replace a tail light cover

Replacing solely the plastic tail light cover is significantly cheaper than replacing entire tail light assemblies. Cost depends on the vehicle, but expect to pay:

• Tail light cover: $10 to $100+ for high-end vehicles.
• Full tail light assembly replacement: $100 to $500+ per light.

Dealership parts will be at the higher end of those ranges. Auto parts stores and online retailers offer more affordable aftermarket replacement covers that fit and function like OEM parts in many cases.

Labor costs are minimal for just a cover replacement – around $50 per light at a shop, if not done yourself. This adds up to significant savings over paying for a full tail light assembly replacement.

Why replace just the cover instead of the whole tail light?

There are several advantages to replacing only the tail light cover instead of the entire assembly if possible:

• Cost savings – Covers are much cheaper than complete replacements.
• Less labor – Covers can usually be swapped out easily from the outside of the car.
• Retains functionality – You don’t need to replace working bulbs and wiring.
• Preserves adjustments – Tail light aim may be thrown off if fully replaced.
• Maintains OEM condition – Keeps the original tail light housing.

As long as moisture hasn’t penetrated the housing, and the damage is limited to the exterior lens cover, replacing just that piece restores function and appearance at minimal cost.

Risks of only replacing the tail light cover

While replacing solely the cover is often a good solution, there are some risks to consider:

• An underlying problem with the housing could require full replacement later.
• Repeated removal may damage the attachment points for the lens.
• Aftermarket covers may not provide OEM fit and quality.
• Proper sealing when installing the new cover is critical.

Carefully inspect housings for rust, damage, and water ingress when removing the old cover. Also ensure any gaskets seal properly with the new piece. Using OEM or high-quality aftermarket covers minimizes fit and seal issues.

Conclusion

Replacing only the tail light cover is usually preferable to replacing entire tail light assemblies if the housing itself remains in good condition without moisture damage. It provides a fast, affordable fix for foggy, cracked, or broken lenses. However, any issues with tail light functionality or water getting into the assemblies mean full replacements will be required. Carefully inspecting housings when removing covers and using proper installation procedures minimizes risks and ensures the new lenses last long into the future.