






🛠️ Keep your ride sealed, sleek, and leak-free—because your car deserves the best!
SONAX 03401000 Rubber Treatment is a low-odor, stick-format solution designed to clean, maintain, and rejuvenate rubber car parts. It effectively stops leaks by swelling rubber seals, restores faded colors, and extends the working life of tires, floor mats, and seals. Trusted by thousands, it’s a cost-effective way to keep your vehicle’s rubber components in premium condition.
















| ASIN | B0012AW4RO |
| Brand | SONAX |
| Customer Reviews | 4.4 4.4 out of 5 stars (14,116) |
| Date First Available | 9 Aug. 2012 |
| Item Weight | 4.54 g |
| Item model number | 03401000 |
| Manufacturer | Sonax GmbH |
| Manufacturer part number | 03401000 |
| Product Dimensions | 4.2 x 5.2 x 15 cm; 4.54 g |
| Special Features | Low Odor |
J**H
Excellent product, can cure minor leaks!
I bought a Renault Megane Convertible which had a leak on the drivers side rear window, I applied this stuff and it's sorted! It works by rejuvenating the rubber and makes it swell slightly which was enough in my case to create a seal on the part or the rubber where the water was getting in. One thing I'd recommend is applying this on a warm/hot day as it makes it a lot easier to apply, it's basically like a pritt stick or stick deodorant and is of a very similar consistency. Certainly a lot cheaper than replacing the rubbers on your car and used regularly should keep them in tip top condition. I'll definitely be purchasing more of this in the future!
D**D
Good for reviving rubber seals
Product worked well for me. Revived several rather tired rubber seals on my car's folding roof. Before using it: several points on the seals would let in a bit of water during or after it rained heavily. Dripping onto various points in the cabin and allowing water into the boot. Some bits on the edge of some of the seals on the door were dried out, starting to allow mold to take hold and looking like they might start to crack. I've given it 3 or 4 applications and the dripping and leaks has reduced by at least 90%. the boot is now sorted and all but one of the leaks into the cabin are definitely fixed; I expect the final one to be resolved by one further application. The drying-out/cracking has been stopped. All looks a lot better as well as being a lot more watertight.
G**Y
Its a bit messy!
The door seals on the wife's car were getting a bit tired and letting in the odd drop of rain. I thought this product might be the ideal solution. Well, the short answer is - yes, it is very effective. However, it did prove a tad messy to use. Alas, the instructions are in German, so they're not a lot of help! As such, I followed the advice of other reviewers and took the plunge. To begin, the product is too hard to use unless its a warm day or the stick is placed on a radiator for a minute. You push the stick contents from the bottom so you can rub the contents onto the rubber you want to treat - like a lipstick. However, this results in either too much or too little of the contents being applied and it being uneven. And then you have to smear it across all of the parts you want to treat. In the end, I found it easier to apply some of the contents onto a rag and then use the rag to cover all of the parts requiring treatment. This worked really well and the door seals now do their job - and look a lot fresher too. As a plus point, this treatment is odourless and easy to wash off your hands. So, it's a bit of a chore and I'm not convinced that a quick spray with WD40 won't do as good a job - even if it does smell a bit....
A**Y
No. 1 as far as I can see.
This is great stuff and the only one to buy to stop creaks from your BMW. Really does work, don't ask me how, but it does. Clean your rubbers well, let them dry, apply with the sponge top, like a shoe polish. Allow to dry. Go for a drive. Be astounded at the cheap fix. I was ages trying to locate the creaking and forums pointed to this stuff from Germany... I have applied it everywhere. Patio doors rubbers, window rubbers and seals. Instructions in German, but not an issue. a 5 year old would work it out. I tried numerous other products claiming to do the same, but they don't. This, however, certainly lives up to it's name. A bit more expensive, but you get what you pay for?
F**S
Not as easy to use as I thought it would be
I have read rave reviews about this product on various forums and thought I would give it a try. It would be competing against what I usually use, Autoglym Vinyl and Rubber Care. I only intend to use this once a month on the door seals on my vehicle during the summer months and weekly during the winter. For its intended purpose it is very good. For application via the sponge on the bottle, I find AG V&RC a lot easier to apply via microfibre cloth to the rear or underneath of the seals. Same goes for the rubber plugs on the bottom of the doors and bonnet.
R**D
Great Gummi Pflege!
I use this to "regenerate" the rubber seals on a convertible, with the hopes of preventing cracking and causing leaks. So far, it seems to really "re-moisten" the rubber, so to speak. The original Gummipflege that I used to purchase was made by BMW. That stuff is increasingly hard to find and when you do find it, it's insanely expensive. This seems to work just as well, at least it visibly has the same impact. It's easy to apply and on my wee car I've been able to treat all the seals twice over, with plenty of gummipflege left. If you've anything prone to leaking or with expensive seal replacements, this is a cheap bit of extender.
B**1
Quality product
Used this product to moisturise the door and window rubbers of my 16 year old Audi TT. Simple to apply and results are instant, the outside window rubbers were really dry and original natural black colour was restored. Other cheaper products produced an oily and shiny finish. The squeaky electric window that was driving me mad, was also cured!!!. I've only recently discovered Sonax and i have to say, that i'm very impressed with the quality of their product line. Instructions and product information on the bottle are printed in German only.
M**N
Brilliant for car door seals and convertible roof seals.
If you suffer from car doors sticking shut in winter, or freezing shut due to water on the seals on frosty mornings this stuff usually helps. It's like the Pr**t glue stick most people will remember from school, or a lipsalve. Pull the cap off an push from the back with a finger to extend. Consistency is like vaseline and smells a little like nasal decongestant. Run it along the door seal and rub in with your fingers to stop the sticking and squeaking, even when it's icy. Another use is for the seals on a convertible roof, keeps the rubbers soft & non sticky which reduces leaks and squeaks.
A**E
Wer hätte gedacht, dass ein kleiner Stift so viel Freude bringen kann? 😎 Meine Autotüren sehen jetzt aus wie frisch aus der Garage gerollt, Gummidichtungen quietschen nicht mehr und ich fühle mich fast wie ein Gummipflege-Zauberer. Einfach auftragen, ein bisschen polieren – und schwupps, alles wie neu! Perfekt für alle, die quietschfreie Autos lieben oder heimlich ihren Wagen verwöhnen wollen. 🚗✨
F**N
Eldivenle de kauçuğa yedirin. Bu şartla ürünün başarılı olduğunu düşünüyorum.
K**R
Arabanın dashboardunda cila yemiş gibi ağarmış sert plastikler vardı. Onları yeni gibi yaptı. Umarım etkisi çabuk geçmez, harika bir ürün.
M**.
Es efectivo, deja las gomas resecas de las puertas del coche mas suaves.
S**D
Het sponskopje is super handig in gebruik. Je draait de dop open, haalt het sponskopje erover en brengt het zo heel precies aan op de rubbers. Geen gespray, geen geknoei, precies waar je het hebben wilt. Na het aanbrengen en even intrekken veeg je het overtollige er gewoon af. Resultaat: de rubbers van mijn auto voelen weer heerlijk soepel en sluiten perfect af. De deuren gaan weer dicht met die mooie “plof” van een nieuwe auto.
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