--- product_id: 15682812 title: "303 Rubber Seal Protectant for Weatherstripping, 3.4 oz" brand: "303 products" price: "€ 18.67" currency: EUR in_stock: true reviews_count: 13 category: "303 Products" url: https://www.desertcart.hr/products/15682812-303-rubber-seal-protectant-for-weatherstripping-3-4-oz store_origin: HR region: Croatia --- # Non-greasy, clean finish Deep conditioning restores flexibility UV protection blocks sun damage 303 Rubber Seal Protectant for Weatherstripping, 3.4 oz **Brand:** 303 products **Price:** € 18.67 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your ride sealed, sleek, and sun-proof — because your car deserves the best! ## Quick Answers - **What is this?** 303 Rubber Seal Protectant for Weatherstripping, 3.4 oz by 303 products - **How much does it cost?** € 18.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/15682812-303-rubber-seal-protectant-for-weatherstripping-3-4-oz) ## Best For - 303 products enthusiasts ## Why This Product - Trusted 303 products brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Revive & Renew:** Penetrates deeply to restore original color and suppleness of rubber seals. - • **Sleek, Non-Greasy Finish:** Leaves surfaces smooth and dirt-resistant, maintaining a fresh, polished look. - • **Trusted for Over 40 Years:** Field-tested reliability keeps your car seals weatherproof and leak-free. - • **Shield Your Seals Like a Pro:** Advanced UV defense prevents cracking & fading for long-lasting durability. - • **Effortless Precision Application:** Built-in foam-tip applicator targets seals cleanly without mess or waste. ## Overview 303 Products Rubber Seal Protectant is a 3.4 fl. oz formula designed to condition, restore, and protect rubber, vinyl, and plastic seals on vehicles. It delivers powerful UV protection to prevent cracking and fading, penetrates deeply to rejuvenate aging seals, and dries to a non-greasy finish that resists dirt. With a convenient foam-tip applicator and over 40 years of proven performance, it’s the go-to solution for maintaining weatherproof, flexible, and visually refreshed car seals. ## Description Buy 303 Products Rubber Seal Protectant, Conditions & Restores Car Door, Window & Weatherstrip Seals, Prevents Cracking & Fading, UV Protection, Non-Greasy Finish, 3.4 fl. oz: Rubber Care - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Customers always notice how clean the door seals look! - I’ve been using 303 Rubber Seal Protectant as part of my car detailing work, and it has become one of those essential maintenance products I rely on. What stands out about this protectant is how well it rejuvenates and protects rubber seals on doors, windows, hood, and trunk. I applied it to my 10-year-old car as a test subject, and the difference is remarkable — the seals look very good, feeling supple and flexible again, not stiff or brittle like untreated seals often do. For older or weather-worn seals, I noticed the original color and pliability return, which really helps maintain a tight, weatherproof seal around the doors and windows. The application is very user-friendly. The built-in foam-tip applicator makes it easy to target seals precisely without wasting product or making a mess. During application, it’s normal to see small white drops of the product on the seals, but once it dries, it leaves a smooth, clean, and well-conditioned finish. I simply wipe any excess after a few minutes — quick and straightforward. As a professional detailer, I can say this is a nice finishing touch that clients always notice. It elevates the overall look of the vehicle and adds that extra sense of care and polish that people appreciate. I find it especially valuable in hotter climates or when the car sits outside often. The product’s UV protection helps prevent the seals from drying, cracking, or fading due to sun exposure, which can save from costly seal replacements down the road. After treating my car, and a few customer cars at the shop, the difference is noticeable: doors close smoother, seals feel healthier, and there’s a lower chance of leaks or wind noise. Because of that, I consider 303 Rubber Seal Protectant a must-have for anyone serious about car maintenance or detailing. In short, 303 Rubber Seal Protectant works exactly as advertised: it conditions, protects, and revitalizes rubber seals. It’s inexpensive, easy to use, and gives a real improvement in seal performance and longevity. I’ll definitely keep using it and recommend it to others who want to preserve their vehicle’s seals. Review: Great - Works great, really brought the seals on my trucks bed cover back around. Had them looking and feeling brand new ## Features - REVITALIZE AND RESTORE RUBBER SEALS: 303 Rubber Seal Protectant penetrates deeply to rejuvenate and restore the color and flexibility of aging rubber seals, ensuring a "like-new" appearance and performance. - VERSATILE APPLICATION ON MULTIPLE SURFACES: Perfect for use on all rubber, vinyl, and plastic surfaces, this protectant not only enhances the shine of your vehicle's seals but also works wonders on interior and exterior trim for comprehensive care. - DEFEND AGAINST UV DAMAGE AND CRACKING: Our advanced formula provides powerful UV protection, shielding rubber seals and trim from harmful sun exposure to prevent fading, discoloration, and cracking over time. - NON-GREASY FINISH FOR CLEAN SURFACES: Unlike traditional dressings, 303 Rubber Seal Protectant dries to a smooth, non-greasy finish, ensuring surfaces feel clean and avoiding the attraction of dirt and dust. - USER-FRIENDLY APPLICATION: Designed for convenience, just simply wipe the applicator on any rubber surface or seal to achieve professional results effortlessly. - PROVEN TO PROTECT: Backed by over 40 years of field-tested reliability, 303 Products safeguards your cars, boats, and outdoor furniture from natures harshest conditions. Preserving their appearances and ensuring they stand the test of time. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00T44D1R2 | | Best Sellers Rank | #1,402 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Rubber Care Products | | Brand | 303 Products | | Brand Name | 303 Products | | Color | White | | Customer Reviews | 4.5 out of 5 stars 3,071 Reviews | | Global Trade Identification Number | 00082043303249, 00082043303768 | | Included Components | Great Product | | Item Dimensions L x W | 1.63"L x 1.63"W | | Item Type Name | Great Product | | Item Weight | 135 Grams | | Manufacturer | Gold Eagle Co. | | Manufacturer Part Number | 30324 | | Manufacturer Warranty Description | Warranty | | Material | Plastic | | Material Type | Plastic | | Model Number | 30324 | | Number of Items | 1 | | Product Dimensions | 1.63"L x 1.63"W | | Recommended Uses For Product | Conditioning and protecting rubber seals on doors, windows, hoods, trunks | | UPC | 082043303249 082043303768 | | Unit Count | 3.4 Fluid Ounces | ## Product Details - **Brand:** 303 Products - **Color:** White - **Material:** Plastic - **Product Dimensions:** 1.63"L x 1.63"W - **Recommended Uses For Product:** Conditioning and protecting rubber seals on doors, windows, hoods, trunks ## Images ![303 Rubber Seal Protectant for Weatherstripping, 3.4 oz - Image 1](https://m.media-amazon.com/images/I/51QK8YaFB8L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Is this just a small bottle/applicator of 303 Aerospace Protectant?** A: I'm willing to bet it's just AT-205 Re-seal, watered down. Back when I used to watch Scotty Kilmer (before he got super whiney & political), he showed that AT-205 & water will "recondition rubber" like it does when used in a trans/engine/power steering system/diff. I use Dielectric Grease (pure silicone grease) to keep the rubber on my car nice & supple. I apply it with my hand, let it sit & soak in for a few minutes, massage it in a little, then wipe it down. It works beautifully, and keeps the rubber (tires are treated differently) looking/feeling/performing as good as or better than new. **Q: Can this be used on sunroof seals?** A: I do not see why it can not be used on sunroof seals. I just purchased the rubber seal protectant but I have used other 303 products and love them. **Q: Is this product better or worse than einzette gummi pflege? thanks!** A: Hello,Einzette gp is generally used for interior rubber, as it is water-based and will get runny when wet. It is still very effective on exterior rubber-like components if buffed dry tokeep excess liquid at a minimum. Einzette can be used if you are willing to work just a bit to buff out your exterior rubber to a nicw shine; it is not a spray-and-forget type ofrubber protectant.I sure hope this helps. **Q: Can the applicator be refilled once all 303 protectant is used? Or is this a sealed cap that once it's empty you have to buy a new one at $9.98.** A: where to buy 303 protectant at $9.98 Norm - ## Customer Reviews ### ⭐⭐⭐⭐⭐ Customers always notice how clean the door seals look! *by K***O on November 26, 2025* I’ve been using 303 Rubber Seal Protectant as part of my car detailing work, and it has become one of those essential maintenance products I rely on. What stands out about this protectant is how well it rejuvenates and protects rubber seals on doors, windows, hood, and trunk. I applied it to my 10-year-old car as a test subject, and the difference is remarkable — the seals look very good, feeling supple and flexible again, not stiff or brittle like untreated seals often do. For older or weather-worn seals, I noticed the original color and pliability return, which really helps maintain a tight, weatherproof seal around the doors and windows. The application is very user-friendly. The built-in foam-tip applicator makes it easy to target seals precisely without wasting product or making a mess. During application, it’s normal to see small white drops of the product on the seals, but once it dries, it leaves a smooth, clean, and well-conditioned finish. I simply wipe any excess after a few minutes — quick and straightforward. As a professional detailer, I can say this is a nice finishing touch that clients always notice. It elevates the overall look of the vehicle and adds that extra sense of care and polish that people appreciate. I find it especially valuable in hotter climates or when the car sits outside often. The product’s UV protection helps prevent the seals from drying, cracking, or fading due to sun exposure, which can save from costly seal replacements down the road. After treating my car, and a few customer cars at the shop, the difference is noticeable: doors close smoother, seals feel healthier, and there’s a lower chance of leaks or wind noise. Because of that, I consider 303 Rubber Seal Protectant a must-have for anyone serious about car maintenance or detailing. In short, 303 Rubber Seal Protectant works exactly as advertised: it conditions, protects, and revitalizes rubber seals. It’s inexpensive, easy to use, and gives a real improvement in seal performance and longevity. I’ll definitely keep using it and recommend it to others who want to preserve their vehicle’s seals. ### ⭐⭐⭐⭐⭐ Great *by D***D on June 13, 2026* Works great, really brought the seals on my trucks bed cover back around. Had them looking and feeling brand new ### ⭐⭐⭐⭐ It Gives a Good Finish. *by M***K on May 16, 2026* Good product, except that the foam applicator is not very resilient. It's starting to tear a little bit. Returning it at this point feels like eating more than half a dinner, and trying to send it back, so as far as it's ability to give a good appearance, it's better than Armorall, but the applicator could be a little more sturdy. JMO ## Frequently Bought Together - 303 Products Rubber Seal Protectant – Protects & Conditions Seals on Doors, Windows, Hoods, Trunks | Rejuvenates Color & Flexibility of Old & Dry Seals | Weatherproofing & UV Protection, 3.4 fl.oz - 303 Products Automotive Protectant Spray - Helps Prevent Fading & Cracking, Repels Dust, Lint & Staining, Superior UV Protection & Restores Lost Color, Exterior & Interior Car Cleaning Supplies 16oz - 303 Products 30588CSR Interior Cleaner - Safely Cleans Any Surface, Residue Free - Safe for Use on Touchless Touch Screens, Including LCD - Cleans Glass Streak Free, 16 fl. oz. 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