Based in Dongguan, Guangdong—China’s premier hub for automotive rubber component manufacturing—HS specializes in multi-use automotive silicone rubber products, engineered to fix leaks, create reliable seals, prevent scratches, and organize wires with protective sleeves for automotive sealing systems. Our Auto-04 silicone rubber O-rings seals and auto silicone rubber parts are precision-crafted via mould processing to meet the rigorous demands of the automotive industry, combining material versatility, full customization, and industrial-grade durability to deliver trusted solutions for automotive manufacturers and part suppliers worldwide. Whether you require standard silicone rubber O-rings seals for leak repair or bespoke wire sleeves to prevent scratches, our factory-direct capabilities ensure consistent quality, on-time delivery, and cost-effective solutions for all your automotive silicone rubber product needs.
Core Features of Our Automotive Silicone Rubber Products Our automotive silicone rubber products and silicone rubber O-rings seals stand out for their multi-use functionality, material resilience, and customization flexibility—key traits that make them ideal for automotive sealing systems and auto parts replacement.First, the material quality of our automotive silicone rubber products is unmatched. We utilize premium silicone rubber (supplemented with EPDM, NBR, and NR options) that delivers exceptional leak-sealing performance, resistance to automotive fluids (oil, coolant, fuel), and scratch-preventing durability. This material composition ensures silicone rubber O-rings seals maintain their shape and flexibility across extreme temperatures (-40°C to 230°C), while wire sleeves made from the same silicone rubber protect automotive wiring from abrasion and scratches in tight engine bay spaces.Second, full customization defines our automotive silicone rubber products. We offer custom shapes to fit any automotive sealing system component, custom colors per customer’s request, and customized logo printing to align with automotive brand identity. Our mould processing achieves a tolerance of ±0.05mm, ensuring silicone rubber O-rings seals create airtight leak fixes, and wire sleeves fit precisely around wires to organize and protect them without restricting movement.Third, multi-use functionality is embedded in every automotive silicone rubber product we produce. Beyond leak repair and sealing, our silicone rubber parts act as scratch-resistant covers for automotive interior/exterior components and wire organizers for under-hood wiring harnesses—maximizing value and versatility for auto parts replacement applications.
Competitive Advantages of Our Automotive Silicone Rubber Products Choosing our automotive silicone rubber products and silicone rubber O-rings seals means partnering with a manufacturer with 20+ years of rubber processing expertise, prioritizing quality, compliance, and customer-centric service for automotive applications. Industry-Leading Certification & Quality Control Our automotive silicone rubber products are certified to ISO14001, ISO45001, and IATF16949 (automotive industry standard), validating their environmental safety, occupational health compliance, and alignment with global automotive manufacturing requirements. Every silicone rubber O-rings seal undergoes 100% quality inspection before shipment, including leak testing, dimensional verification, and scratch resistance validation—ensuring zero defects and consistent performance across every batch of automotive silicone rubber products. Flexible Ordering & Scalable Production We offer a MOQ of 1000 pieces for automotive silicone rubber products, making our solutions accessible to small and medium-sized auto parts suppliers, while our 10,000-square-meter production facility and 2000+ existing molds enable scalable production to meet bulk orders for major automotive brands. Samples of silicone rubber O-rings seals are available for testing, allowing you to validate leak-fixing performance and scratch prevention before full production. Cost-Effective Factory-Direct Pricing As a direct manufacturer, we eliminate middleman markups, offering competitive pricing on automotive silicone rubber products without compromising material quality or precision. Our one-stop procurement service streamlines the entire process—from design and prototyping to production and delivery—reducing lead times and supply chain costs for your auto parts replacement orders. Technical Expertise & 24/7 Support Our team of automotive rubber engineering specialists provides 7×24 online support for all inquiries related to automotive silicone rubber products, offering guidance on material selection (silicone/EPDM/NBR/NR) and product design optimization for leak repair, scratch prevention, and wire organization. We leverage our deep automotive industry knowledge to solve complex sealing and protection challenges, ensuring silicone rubber O-rings seals meet the unique demands of your automotive sealing system applications.
Applications of Our Automotive Silicone Rubber Products Our versatile automotive silicone rubber products and silicone rubber O-rings seals serve critical roles in automotive systems, thanks to their multi-use functionality, leak-sealing performance, and scratch-preventing design:
Automotive Sealing Systems: Silicone rubber O-rings seals fix leaks in engine cooling systems, fuel lines, and hydraulic brake systems—their precision fit and chemical resistance prevent fluid loss and ensure compliance with automotive safety standards. Under-Hood Wire Management: Silicone rubber wire sleeves organize and protect wiring harnesses in the engine bay, preventing scratches from sharp metal components and heat damage to electrical wiring, reducing the risk of short circuits. Automotive Interior Protection: Custom-shaped automotive silicone rubber products act as scratch-resistant covers for dashboard trim, door handles, and center console components—their soft yet durable silicone composition preserves interior aesthetics and extends part lifespan. Exterior Automotive Seals: EPDM-blended silicone rubber products seal door frames, window channels, and trunk lids—preventing water leaks and wind noise, while also protecting paintwork from scratches caused by friction between metal and plastic parts. Auto Parts Replacement: Our silicone rubber O-rings seals and custom auto silicone rubber parts serve as direct replacements for worn or damaged OEM components—their precise sizing and durable material ensure seamless integration and long-term performance in automotive systems.
At our Dongguan manufacturing facility, we leverage a team of over 100 skilled professionals and state-of-the-art mould processing equipment to produce automotive silicone rubber products that exceed industry standards. Our commitment to innovation is backed by 20+ product patents, and we back all silicone rubber O-rings seals with a 3-year warranty: if unused automotive silicone rubber products develop quality issues within this period, we offer free returns and replacements. Whether you need multi-use silicone rubber products to fix leaks and prevent scratches, or reliable silicone rubber O-rings seals for automotive sealing systems, we are committed to delivering automotive silicone rubber products that combine performance, durability, and value—engineered for the road, built to last.
Product Description
Company Profile
Founded in 2003, Dongguan Huangshi Rubber & Plastic Tech Co., Ltd. is one of the famous silicone and plastic products manufacturers. Our factory is located in Chang'an Town, Dongguan City, enjoying good location and convenient transportation access. Being specialized in silicon mold making,plastic mold making and silicon and plastic products manufacturing, we always try our best to provide you with best-quality products. With a workshop of 6,000 square meters and a serious QC department, we are professional in making all kinds of silicone and plastic cases for cells phones, MP3, MP4 and MP5 players, silicone keyboards, silicone series parts of electronic goods, silicone kitchen accessories and silicone toys. We are sure to make better quality and better price silicone rubber and plastic products for you. Our main foreign trade markets include Southeast Asia, Europe and America. We also provide ODM/OEM products for many national famous companies. In order to satisfy different requirements from our clients, we import raw materials and machines to make our goods reach the standards of RoHS, ISO, SGS and EN71. "Do a good job at first time; do a better job every time" is our tenet. Please don't hesitate to contact us if you have any problem. We must be the one which you can trust in. We look forward to your requirements. Choose us,and we can do better for you!