Based in Dongguan, Guangdong—China’s leading hub for automotive silicone component manufacturing—HS specializes in custom-molded 1.5-12mm thick silicone automotive accessories, engineered as SAE 5W-30 oil-resistant, anti-aging seals stable from -40℃ to 230℃ for engine bay applications and industrial machinery. Our EE-918-C10 silicone rubber products (core silicone rubber seals) are precision-crafted via moulding processing to meet the stringent performance standards of the automotive industry, combining extreme temperature stability, oil resistance, and customizable thickness to deliver reliable machinery accessory solutions for automotive manufacturers worldwide. Whether you require standard silicone rubber seals for industrial machinery or bespoke 1.5-12mm thick gaskets for engine bay components, our factory-direct capabilities ensure consistent quality, on-time delivery, and cost-effective solutions tailored to your automotive accessory needs.
Core Features of Our Silicone Automotive Accessories Our silicone automotive accessories and silicone rubber products stand out for their SAE 5W-30 oil resistance, anti-aging performance, and extreme temperature stability—key traits that make them ideal for engine bay applications and industrial machinery accessories.First, the material quality of our silicone automotive accessories is unmatched. We utilize premium automotive-grade silicone rubber (supplemented with EPDM, NBR, and NR options) that delivers exceptional SAE 5W-30 oil resistance, preventing swelling or degradation in engine oil exposure, and anti-aging properties that resist UV, ozone, and thermal degradation. This formulation maintains structural stability from -40℃ to 230℃, critical for the extreme temperature fluctuations of engine bays, while the 1.5-12mm customizable thickness balances flexibility and rigidity for diverse automotive sealing needs.Second, custom-molded precision defines our silicone automotive accessories. Our moulding processing achieves a tolerance of ±0.05mm, ensuring custom-sized, custom-shaped, and 1.5-12mm thick silicone rubber products fit seamlessly into engine bay gaskets, hose connectors, and industrial machinery components—eliminating oil leaks and performance issues. We offer custom colors per customer’s request and customized logo printing, aligning silicone rubber seals with automotive brand identity without compromising functionality.Third, durability is embedded in every silicone automotive accessory we produce. The robust silicone composition resists wear from engine bay vibration, chemical exposure from coolants and fuels, and mechanical fatigue—extending the service life of automotive components while reducing maintenance costs for manufacturers and vehicle owners alike.
Competitive Advantages of Our Silicone Automotive Accessories Choosing our silicone automotive accessories and silicone rubber products means partnering with a manufacturer with 20+ years of automotive rubber processing expertise, prioritizing performance, customization, and customer-centric service for automotive and industrial applications. Oil-Resistant & Temperature-Stable Compliance Every silicone automotive accessory undergoes 100% quality inspection before shipment, including SAE 5W-30 oil resistance testing, extreme temperature stability checks (-40℃ to 230℃), anti-aging validation, and dimensional verification—ensuring zero defects and adherence to global automotive industry standards. Our strict quality control processes guarantee silicone rubber products meet the durability benchmarks required for engine bay and industrial machinery applications. Custom-Molded Flexibility & Scalable Production We offer a MOQ of 500 pieces for silicone automotive accessories, making our solutions accessible to small and medium-sized automotive component suppliers, while our 10,000-square-meter production facility and 2000+ existing molds enable scalable production to meet bulk orders for major automotive brands. Custom 1.5-12mm thicknesses, sizes, shapes, and material blends for silicone rubber seals are available to fit any engine bay or industrial machinery component. Cost-Effective Factory-Direct Pricing As a direct manufacturer, we eliminate middleman markups, offering competitive pricing on custom-molded silicone automotive accessories without compromising oil resistance or temperature stability. Our one-stop procurement service streamlines design, prototyping, and production, reducing lead times and supply chain costs for your automotive and industrial machinery component orders. Technical Expertise & 24/7 Support Our team of automotive silicone engineering specialists provides 7×24 online support for silicone automotive accessory inquiries, offering guidance on material selection and thickness optimization (1.5-12mm) for engine bay applications. We leverage deep automotive industry knowledge to solve complex sealing challenges, ensuring silicone rubber products deliver optimal oil-resistant and temperature-stable performance.
Applications of Our Silicone Automotive Accessories Our versatile silicone automotive accessories and silicone rubber products serve critical roles in automotive and industrial settings, thanks to their SAE 5W-30 oil resistance, anti-aging, and extreme temperature stability:
Engine Bay Gaskets: 1.5-12mm thick silicone automotive accessories seal valve covers and oil pans—their SAE 5W-30 oil resistance prevents leaks, and -40℃ to 230℃ stability withstands engine heat and cold weather operation. Automotive Hose Connectors: Custom-molded silicone rubber products seal coolant and fuel hoses in engine bays—their anti-aging properties resist degradation, and customizable thickness ensures a tight, durable fit. Transmission Seals: Oil-resistant silicone automotive accessories seal automatic transmission components—their temperature stability (-40℃ to 230℃) adapts to transmission heat, and 1.5-12mm thickness balances flexibility for gearbox movement. Industrial Machinery Seals: EPDM-blended silicone rubber products act as accessories for industrial engine equipment—their SAE 5W-30 oil resistance and anti-aging performance withstand heavy-duty industrial oil exposure and temperature fluctuations. Underhood Electrical Seals: Silicone automotive accessories seal engine bay electrical connectors—their temperature stability protects wiring from heat damage, and oil resistance prevents short circuits from oil contamination.
At our Dongguan manufacturing facility, we leverage a team of over 100 skilled professionals and state-of-the-art moulding processing equipment to produce silicone automotive accessories that exceed industry standards. Our commitment to quality is backed by ISO 9001 and ISO 14001 certifications, validating the reliability and sustainability of our silicone rubber products for international automotive and industrial markets. We back all silicone automotive accessories with a 3-year warranty: if unused silicone rubber seals develop quality issues within this period, we offer free returns and replacements. Whether you need 1.5-12mm thick oil-resistant gaskets for engine bays or anti-aging silicone seals for industrial machinery, we deliver 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!