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Home > Exterior Car Care > Car Paint, Glass, Wheel & Trim Coatings > GTechniq C4 Permanent Trim Restorer 30 ml.

GTechniq C4 Permanent Trim Restorer 30 ml.

GTechniq C4 Permanent Trim Restorer 30 ml.

Our Price: $64.99
Item ID: GT-C4-30
Availability: Usually ships the same business day
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C4 becomes one with your vehicle's trim!

Gtechniq C4 Permanent Trim Restorer isn't just a coating. C4 becomes an extension of the plastic it's protecting to restore trim to like-new condition. This chemical bond ensures maximum durability. Trim will remain in its new condition for up to two years with one application of Gtechniq C4 Permanent Trim Restorer.

Most other trim restorers or protectants are shiny coatings that sit on top of the plastic. They provide temporary shine and color restoration, but they disappear fast. Gtechniq C4 Permanent Trim Restorer actually swaps part of its molecular structure with the surface molecules of your car's trim. C4 doesn't sit on top of the trim - it becomes the trim! That's how Gtechniq C4 Permanent Trim Restorer keeps your vehicle's trim looking flawless for two years!

Gtechniq C4 Permanent Trim Restorer renews the color of trim, but it does not add artificial gloss. Matte surfaces will remain matte. Trim pieces will look new, not dressed, to give your vehicle an overall newer appearance.


Do not dilute. Apply at a temperature above 41°F (5°C) and out of direct sunlight. If you are applying indoors, ensure that there is adequate ventilation and wear protective gloves. Ensure that the surface to be coated is entirely free from fats/oils or previously applied products. We recommend cleaning trim vigorously with IPA (isopropyl alcohol) prior to application. Use the lint free application pads supplied to wipe the coating onto the trim. Because the coating forms its bond immediately, it is very important you remove excess coating from the treated surface and any that has gone onto your car’s bodywork or glass as soon as possible. To remove residue, you should use a microfiber cloth and use a light touch, i.e. not like buffing a wax but more like using a chamois on your car.

30 ml.

Federal regulations prohibit the shipment of this products by air, UPS 3 Day, UPS 2, or US Mail. This item is shipped by UPS Ground only. Sorry but no APO or FPO addresses.

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Review Summary
10 Reviews
60% (6)
40% (4)
0% (0)
0% (0)
0% (0)
90% Recommend this product (9 of 10 responses)
Richmond, VA
Works great
Very easy to use, results are fantastic, I will have to see how the durability is.
Stop greasing your trim.
This is the only thing for rubber and plastic. Everything else is just greasy goop. Permanent dries to the touch. Put it on your new car now to protect, and restore old trim really well. Worth every penny. I feel naked when I run out and there isn't a bottle on my detailing shelf.
ProsBeautiful rubber and trim.
ConsNot bottomless.
Burlington , NC
Work as described
ProsMakes plastic look like new
ConsDo not go through car wash, hand wash, high cost, don't last as long as they say. I have a Chevy Avalanche it takes 2 bottles to do that much plastic.
South Carolina
Application was quick & simple. Results were instant. Makes plastic trim on 2004 Tundra look brand new. Makes plastic trim on 2014 MDX look brand new. Not a glossy chemical shine...it’s a smooth, even satin finish color that looks like new plastic. Very impressed. A little goes a long way.
ProsQuick & easy. Gives like new results. A little covers a lot of area.
ConsExpensive....but definitely cheaper than buying new plastic parts.
How did I live without this?
Wow! Amazing product- takes a while to prepare but very easy to apply. The results make all the prep worth it. My 12 year old SUV's trim looks almost new again. Highly recommend to anyone will dull or faded trim.