Product Description
Driving a heavy commercial vehicle requires precision, endurance, and comfort. The clutch system is central to this experience, and our high-quality Clutch Booster, part number 21604AJ0026, is designed to ensure smooth and effortless operation in Kingwin (金旅) buses.
This component is the key to a light and responsive clutch pedal. It uses pneumatic assistance to multiply the force applied by the driver, making gear changes significantly easier. A failing clutch booster leads to a stiff, heavy pedal, causing driver fatigue and making smooth shifting nearly impossible.
Key Features & Benefits:
- Reduces Driver Fatigue: By dramatically reducing the effort needed to operate the clutch, this booster improves driver comfort and focus, which is essential for safety, especially during long shifts or in heavy traffic.
- Protects Drivetrain Components: It ensures a full and complete disengagement of the clutch with every pedal press. This prevents gear grinding, reduces premature wear on the clutch disc, and protects the transmission's synchronizers from costly damage.
- Perfect OEM-Standard Fitment: Engineered as a direct, bolt-on replacement for Kingwin part 21604AJ0026, it guarantees a perfect fit and a swift, trouble-free installation process.
- Built for Durability: Constructed with a robust housing and high-grade internal seals to prevent air leaks and withstand the constant cycling of daily use, ensuring a long and reliable service life.
As a specialized manufacturer, Nanjing Dingguan is committed to providing components that enhance both driver comfort and vehicle longevity.
Contact us today to request a quote.
specification
| Product Name: | Clutch booster | Part Number; | 21604AJ0026 |
| Quality control: | IATF 16949:2016 | Size: | adjustable |
| Type: | Bus pump valve | Place of origin: | Nanjing, China |
| material: | aluminum alloy | 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. |
| Customs code: | 21604AJ0026 | Factory quality inspection: | 100% inspection |
Product detailed 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 premium 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 leading 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. |
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