Universal Hand Control Valve 3517ZB1-001 for King Long, Yutong, Higer & Zhongtong Buses Product Description Take command of your fleet’s braking system with our universal Hand Control Valve, part number 3517ZB1-001. This essential component is a critical safety feature, engineered for wide compatibility across trusted bus brands including King Long, Yutong, Higer, and Zhongtong. Serving as the primary interface for the parking or auxiliary brake system, this valve provides the driver with precise, manual control over the vehicle’s pneumatic brakes. Its reliable operation is paramount for ensuring vehicle stability when parked, especially on inclines, and is vital for the safe loading and unloading of passengers. The ergonomic design ensures intuitive and low-effort operation for the driver, reducing fatigue and promoting a safer driving environment. A malfunctioning hand valve can compromise vehicle safety, making a high-quality replacement a non-negotiable investment. As a specialized manufacturer and supplier of commercial vehicle parts, Nanjing Dingguan Accessories Co., Ltd. is committed to uncompromising quality and safety. Our 3517ZB1-001 hand control valve is manufactured using high-grade, corrosion-resistant alloys and precision-machined internal components to guarantee flawless performance and a long service life. The unit features robust seals that prevent air leaks, ensuring consistent pressure and immediate response when activated. Each valve undergoes rigorous quality control and pressure testing to meet and exceed industry standards for reliability and durability. For fleet operators and international parts distributors, this product represents an exceptional value proposition: an OEM-equivalent component that ensures the safety and reliability of your vehicles at a competitive price point. By choosing Nanjing Dingguan, you are partnering with a trusted source dedicated to keeping your fleet operational and safe. Secure a dependable supply for your maintenance needs and ensure your buses are equipped with the reliable. Product Name: Brake repair kit Part Number; YFAD04-100-XLB Quality control: ISO 9001+ISO/TS 16949 Size: 16.5 inches Type: Brake accessories Place of origin: Nanjing, China Materials: metal rubber Packaging: Paper packaging/custom packaging Minimum order quantity: 1 Application: bus Status: brand new Cargo transportation: TNT, EMS, UPS, FedEx, DHL or according to your requirements. OE: YFAD04-100-XLB Factory quality inspection: 100% inspection Product details pictures How to buy the right bus accessories 1.Please provide VIN number 2.Please provide clear photos 3.Please provide the OEM number 4.lf you are unsure, please contact us. Nanjing Dingguan Auto Parts Co., Ltd. -- Your reliable partner for bus spare parts. About Us Nanjing Dingguan Automotive Parts Co., Ltd. specializes in providing high-quality and cost-effective parts for buses and commercial vehicles. We focus on the global market, have rich experience in exporting bus and truck parts, provide services to distributors and fleet operators, and provide tailor-made solutions to meet different needs. Warehouse and cargo display About shipping and packaging transportation TNT, EMS, UPS, FedEx, DHL or as per your requirement. packaging Bubble wrap, cartons, wooden boxes, and pallets are used to avoid damage to goods caused by bumps. common problem 1: Can you provide an accurate price? Sure. You need to provide the vehicle VIN number, provide the product OEM code, or provide a clear product photo. 2: What's your minimum order quantity? No minimum order quantity, of course, if you buy more items from our company, you can get preferential prices and discounts. 3: What's the delivery time? Air freight orders take 5 to 8 days. Sea freight orders take 15 to 25 days. My advantage 1:High-Quality Bus Components Specialized in high-grade aftermarket bus parts including engines,transmissions, and braking systems, built for durability and performance. 2:Comprehensive spare parts solution We offer a full range of bus accessories: filters, suspension components, electrical components, and interior accessories for all major bus brands. 3: ISO-Certified Manufacturing Our ISO 9001/TS 16949-certified products ensure strict quality control, reliability, and compliance with international standards.ISO 4: Global Bus Part Coverage Our products are compatible with trusted bus models from Europe, Asia, and the Americas. 5;Extensive product catalog Engine parts, HVAC systems, lighting, wheels and safety components covering city, intercity and long-distance buses. Contact Us