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This item: 3-IN-ONE RVcare Rubber Seal Conditioner with SMART STRAW SPRAYS 2 WAYS, 11 OZ
$7.68
Get it as soon as Friday, Jun 19
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$20.57
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$21.99 ($0.69/fluid ounce)
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WD-40 Company
From the manufacturer
Get projects done, and done right.
3-IN-ONE provides solutions for all sorts of home and equipment maintenance projects. In fact, for over 100 years 3-IN-ONE has been helping people solve problems and get projects done right with products that are easy to choose and easy to use.
- Prevents Cracking
- Prevents Fading
- Precision Stream or Wide Spray
- No Messy Residue
3-IN-ONE RVcare Rubber Seal Conditioner
Seal in long-lasting protection from weather and sun with this mess-free rubber seal conditioner with UV Shield.
3-IN-ONE RVcare Rubber Seal Conditioner with UV Shield has a long-lasting UV-protection and water-resistant silicone formula that works in extreme temperatures and weather, helping you to actively prevent cracking and fading, and ultimately extend the life of your rubber seals. The two-way Smart Straw makes it easy to apply this rubber seal conditioner in either a narrow stream for precision, or a wide spray to cover large areas faster—and without any overspray or messy residue.
- Extend Life of Rubber Seals on Slide Outs
- Windows
- Doors
- Compartments
- Padlocks
3-IN-ONE Professional Garage Door Lubricant
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3-IN-ONE Multi-Purpose Oil
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3-IN-ONE Lock Dry Lube
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3-IN-ONE Rubber Seal Conditioner
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3-IN-ONE Motor Oil
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3-IN-ONE Pneumatic Tool Oil
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| Customer Reviews |
18,922
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14,834
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4,130
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6,901
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3,407
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820
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| Price | $45.01 | $55.83 | $66.37 | $46.08 | $92.05 | $49.00 |
| 3-IN-ONE Favorites | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
A History of Helping
The 3-IN-ONE brand is focused on making it easy for people to solve their maintenance problems—and has been since 1894. And that's why the WD-40 Company officially acquired the 3-IN-ONE Oil business in 1995 and has been innovating ever since to produce products with great delivery systems.
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Customers say
Customers find the rubber conditioner effective, particularly noting its performance on camper seals and Mercedes motorhome slides. The product receives positive feedback for its ease of use, with one customer mentioning it's easy to apply to hard-to-reach areas. Customers appreciate its ability to keep rubber seals in good condition, prevent cracking and fading, and consider it good value for money. They like the spray feature, with one highlighting its versatile spray/straw combination.
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159 customers mention effectiveness, 148 positive, 11 negative
...hard rubber on my automobile cars and trucks works wonders you that works great it does bring life back to the rubber also use it on my windshield...Read more
Used on my Class A motorhome slide outs. Works well. Easy to apply. Hopefully this will help with the lifetime of my coach.Read more
Works good.Read more
Can't recommend enough. Easy application and effective.Read more
108 customers mention quality, 104 positive, 4 negative
This is a great product to keep your RV rubber last longer. Don't wait for the dry, cracking from the sun to hit all the rubber on your RV/Camper....Read more
3 in one has always been a good product and when buying it in a small case like this makes the value even better.Read more
Been using 3n1 products for Many Years and It's good stuff and I recommned.Read more
Seems like great stuff. Used it at first, then a month later can has no pressure. So 90 percent of can is wasted....Read more
84 customers mention ease of use, 72 positive, 12 negative
...It is easy to use and comes with a pinpoint adapter to hit those small areas. I learned the hard way and watched my rubber shrink year after year....Read more
Used on my Class A motorhome slide outs. Works well. Easy to apply. Hopefully this will help with the lifetime of my coach.Read more
...will save you money in the long run and very easy to applyRead more
Works great! Applies on good! Makes the parts look new again, easy application when wash dirt and grime off the silicone rubber with Dawn or any...Read more
48 customers mention seal performance, 42 positive, 6 negative
...Lubrication" (I have a rack & pinion style slide out) and the slide now works great....Read more
Product is as advertised. Used it on a 2005 slk350 and it brought the seals back to life! Pro tip... Don't let it run down the car when you spray....Read more
I have used this on my RV and love it, keeps all my slide seals, basement doors and entry door seals in good shape, however I am out and have not...Read more
...lubricant worked very well on both vehicles and allowed the windows and removable top seal to remain lubricated without the seals dry rotting or...Read more
39 customers mention durability, 31 positive, 8 negative
...Its long lasting, waterproof, non sticky (let it soak in) prevents cracking & fading & even rejuvenates older cracked rubber to help stop leaks,...Read more
Use this on your weather stripping to prolong its life and keep from sticking. I highly recommend.Read more
Conditions seals of my refrigerator/freezer, car, windows and makes them like new.Read more
...Once I used this product, the leaking stopped. Some of my rubber stripping looked worn and dried out on my Z. For these, I used the product 2 or...Read more
37 customers mention value for money, 30 positive, 7 negative
Spray attachment great. Works well. Good priceRead more
...I highly recommend it to my friends and family. Great price, just an all around great product. You gotta use it, you gotta see it....Read more
Easy to use, fair price This “3in1” Rubber conditioner works very well. I sprayed it on all the rubber under my 2013 Toyota 4 runner....Read more
This was very easy to use and worked great. Seals look like new. Worth every penny.Read more
30 customers mention spray, 22 positive, 8 negative
...Easy to spray. Will last long time good quality for the moneyRead more
...So far it’s very durable, easy to spray on, prices is reasonable.Read more
...One can had no pressure and would not spray. I didn’t think to check them out when they first arrived and now the return window closed....Read more
...It comes in a spray can, but i prefer to spray it into a small container and brush it on with a small “parts brush” or rag....Read more
28 customers mention lubrication, 25 positive, 3 negative
It sprays on and wipes off well. it lubricates and restores a deep luster on the seals.Read more
...After applying it, the seals looked noticeably better—cleaner, darker, and more flexible....Read more
...cars and trucks works wonders you that works great it does bring life back to the rubber also use it on my windshield rubber or any plastic it does...Read more
...This is a great product to keep your rubber from cracking or getting dry. Use it on my car door seals keeps the rubber hydrated and newer looking.Read more
Essential UV protection for your slide-out seals
he sun is the biggest enemy of your RV’s rubber seals. This 3-IN-ONE conditioner is a staple in my maintenance kit for the Winnebago Vista. The "Smart Straw" is perfect for getting into the tight gaps of the slide-out seals without making a mess. It leaves a clear protective film that prevents the rubber from drying out, cracking, or sticking. Regular use keeps the seals pliable and ensures a watertight fit every time you cycle the slides. Don't skip this if you want to avoid expensive leak repairs.
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Top reviews from the United States
Works Great, So Good I Bought It Again
Reviewed in the United States on May 29, 2026One person found this helpfulEssential UV protection for your slide-out seals
Reviewed in the United States on April 11, 2026
Essential UV protection for your slide-out seals
Reviewed in the United States on April 11, 2026he sun is the biggest enemy of your RV’s rubber seals. This 3-IN-ONE conditioner is a staple in my maintenance kit for the Winnebago Vista. The "Smart Straw" is perfect for getting into the tight gaps of the slide-out seals without making a mess. It leaves a clear protective film that prevents the rubber from drying out, cracking, or sticking. Regular use keeps the seals pliable and ensures a watertight fit every time you cycle the slides. Don't skip this if you want to avoid expensive leak repairs.
Great brand excellent product i highly recommend it Adam Altman
Reviewed in the United States on May 15, 2026One person found this helpfulpleasantly surprised, great product
Reviewed in the United States on April 21, 2026One person found this helpfulProtect your investment. Worth every penny.
Reviewed in the United States on May 5, 2026One person found this helpful
Top reviews from other countries
- vic(in)tor(onto)
EXCELLENT poduct
Reviewed in Canada on December 19, 2025 - Arif alhousani
تمام
Reviewed in the United Arab Emirates on May 22, 2025 - Saggy1
Rubber rejuvenated
Reviewed in the United Kingdom on February 7, 2025 - Faegus Swartz
Great for RV slide maintenance.
Reviewed in Canada on April 9, 2026 - Diago
Works perfect
Reviewed in the United Arab Emirates on October 31, 2023
