Black Plastic Wheel Well Trim, How to Keep it Black

[Remisdad]

I have the black plastic trim over the wheel wells of my new 2026 AT4 and am concerned that it will soon start to fade like everything on the outside of my 2019 Silverado did. Does anyone have any suggestions of products to put on this plastic to keep it from fading or did I get lucky enough that GM found a better material make up and that’s not a problem anymore?

 

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[ivey_usmc]

would like to know as well

 

[ltglenn13]

I use a product from Ardex called New Concept. You can use it on all exterior plastic and rubber surfaces. Tires, trim, seals. Will last a very long time. I put it on my tires and it lasts several months through washes and rain. Has UV protectant. It can be used on interior too, but its too glossy for me. I use Ardex Dull Away inside and under hood. Restores plastic and rubber and protect from UV with a natural original shine. No excessive gloss. It repels dust and lasts a VERY long time and isn't greasy or slippery at all. I have gone 6 plus months between applications. All professional grade. I have been using it for almost 20 years. They have several products that I use all the time. New Wave is a general cleaner and degreaser. Can use on everything interior and exterior. Dilute it more for all interior stuff including carpets. Stronger concentration for engine bays and wheels. I have had the same 1 gallon jug for 10 years. Works better the more you dilute it. I use Leather Perfect on all the leather. Smells great and doesn't make it slippery or glossy. Good luck!!

 

[john151ama]

I ceramic coat my plastic trim, fender flairs, windshield cowl plastic, bed rails, and bed cover. Most ceramic coats have UV protection and work well on plastic as well as painted surfaces. Works well and is easy to apply. I use Adam’s advanced graphene ceramic coating.

 

[Remisdad]

Thank you both. I’m on it.

 

[Remisdad]

Do you do the ceramic coating yourself? I have wondered if that was something to leave to the professionals or not?

 

[john151ama]

I do, do all our vehicles. I have had professional done in the past but realized 7 and 10 year products must be recharged every year. So I switched to doing my self so I can touch up when needed. I do full paint correction with DA then polish on day 1. Sealer is supposed to have 12 hours or so to cure. Then day 2 cleaner, then ceramic application. That is when I do all plastics as well. It used to do full job on all cars 2 times a year. With ceramic I can do touch up yearly then a full paint correction and ceramic reapply about every 3 years. So the ceramic really does save me a lot of work yearly, even though I don’t think there is a product out they that will really last 7 years or more. The Adams advanced goes on well, and is advertised as a 9 year product.

 

[Leo581]

I use Black Magic plastic restorer. Works pretty well.

 

[pinebaron]

I use Black Magic plastic restorer. Works pretty well.

Thats what I use too. But need to touch up tomorrow; just did the paint work and tires etc.