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Gtechniq C4 Permanent Trim Restorer

Best Seller Gtechniq C4 Permanent Trim Restorer - 30 ml
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Please note: this product cannot be shipped through the air

Available Sizes

Gtechniq C4 Permanent Trim Restorer
15 ml
($2.67 / ml)
Gtechniq C4 Permanent Trim Restorer
30 ml
($2.17 / ml)

Product Information

  • Restore your trim to like new condition!
  • Formula bonds directly to your trims molecular structure
  • Durability of up to two years!
  • Product Codes: C4 0.015, C4 0.03
  • Read full description

Customer Reviews

100% of customers said that they would buy this item again
Based upon 12 ratings

Product Description

Gtechniq C4 is not just your regular trim coating, it will bond to your trim restoring it to like new condition with ease! Most trim restorers or protectants are shiny coatings that sit on top of the plastic and they only provide temporary shine and color restoration. C4 actually swaps part of its molecular structure with the surface molecules of your car's trim! This allows the C4 to keep your trim looking brand new for up to two years! Use C4 on trim, weather stripping, plastic mirrors, battery covers, hoses, etc. If you are looking to restore your trim to like new condition grab a bottle of the C4 Permanent Trim Restorer today!

Application Information
  • Do not dilute
  • Apply at a temperature above 40 degrees F and not in direct sunlight
  • If 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
  • Use the lint free application pads supplied to spread the coating onto the trim
  • Because the coating forms its bond immediately it is very important to remove excess coating from the treated surface and any that has gone onto the vehicles bodywork or glass within 5 minutes of application
  • To remove residue use a clean microfiber cloth

Professional Detailer Reviews

If you are wanting a product that is extremely easy to use that will darken and protect your trim for years, not weeks or months then you will certainly want to give Gtechniq C4 a try.

- Product Review: Gtechniq C4 Permanent Trim Restorer by Kevin George


Applying Gtechniq C4 Permanent Trim Restorer

From The Label


Ensure your trim is thoroughly clean and free from any other product. Dab product onto applicator pad, apply and remove residue immediately with a Gtechniq MF1 ZeroR Microfibre Buff Cloth (or similar towel like the DI Microfiber All Purpose Towel).

Customer Reviews

Reviewed by on
Would they buy this item again? Yes
I have tried a few exterior trim products. Gtechniq C4 Permanent Trim Restorer has been working well so far. A little does go a long way. So far, so good.
Reviewed by on
Would they buy this item again? Yes
Excellent Product!! can't speak for durability yet, but it made the trim look nearly new, on a 14yr old Cadillac we worked on last week, and the customer was thrilled. hopefully it lasts for a while too! Definitely looking forward to using it more!
Reviewed by on
Would they buy this item again? Yes
In So Cal, the sun eats up black plastic and eventually turns ashy grey in color, even after a few years. Despite attempts to keep the plastic looking black with conditioners and such, my 2012 Ram 1500 Reg Cab Short Bed was getting pretty bad. Conditioners would look good for a couple weeks, but ran off after washing or rain and left oily residue streaks.

Application: One week ago, I gave 'er a good wash and prepped all the trim as instructed. Prepping the trim took the longest time. C4 is very easy to apply, few dabs on the supplied applicators (cotton make-up remover pads) and wipe it on. Wait 5 minutes, then lightly wipe over with microfiber cloth and clean any spots off the paint.

Results: As soon as C4 hit the ashy plastic, it turned dark matte black and was coming back to life! Finish stayed consistent and is a nice deep black without being glossy. I'm blown away with how good the plastic looks, like I went to the dealer and bought all new trim. I went through the whole 15ml bottle on my truck; Ram 1500 has a lot of plastic (bumper cap, bed caps, mirrors, windshield, front air dam, etc) and most of it is really textured, so the product didn't go quite as far as I expected.

Pros: Easy to Apply, Instant Results, and makes black plastic look like new
Cons: Should have bought 30ml for a truck (or any vehicle with lots of plastic trim), Should have done it sooner...

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