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This professional brake retarder control component is factory-supplied by Longert and exclusively designed for Zhongtong heavy trucks and buses. With fixed part number 3631-00039, it serves as a crucial control terminal for the vehicle's auxiliary braking system.
Product Overview
The Longert 3631-00039 brake retarder handle switch is a core control component specifically engineered for Zhongtong heavy trucks and buses, including city buses, coaches, passenger buses, and heavy-duty trucks. This factory-direct replacement part ensures perfect compatibility with Zhongtong brake retarder systems.
Key Features & Benefits
Fixed part number 3631-00039 for precise matching
Longert brand guarantee with factory direct supply
Perfect compatibility with Zhongtong heavy truck & bus brake retarder systems
Sensitive operation and stable performance
Wear-resistant construction with excellent electrical conductivity
Easy installation and long service life
Enhances driving safety, especially during long downhill sections
Reduces main brake wear and prevents overheating
Technical Specifications
Attribute
Specification
Part Number
3631-00039
Brand
Longert
Supply Type
Factory Direct Supply
Applicable Vehicle
Zhongtong Models (Heavy Trucks, City Buses, Coaches, Passenger Buses)
Material
High-Strength Engineering Plastic, High-Conductivity Copper Contacts, Wear-Resistant Spring
Working Principle
Transmit Control Signals to ECU, Switch 1 Constant Speed Gear & 4 Graded Braking Gears
Operating Parameters
Temperature Range -40℃~120℃; Response Time ≤50ms; Waterproof, Dustproof, Wear-Resistant
Crafted with high-quality materials including high-strength engineering plastic for the handle body, high-conductivity copper contacts, and wear-resistant spring components. Features precision injection molding, contact plating, anti-corrosion treatment, and signal calibration technology for optimal performance in harsh working environments.
Installation & Application
Designed for direct replacement without modification. Simple installation process: align with original mounting position on cab control panel, fix with locking bolts, connect wiring harness according to pin definition, and test signal transmission. Ideal for Zhongtong fleet maintenance, repair facilities, and auto parts distributors.
Quality Assurance
Each unit undergoes strict factory testing including dimensional accuracy, contact performance, signal transmission, wear resistance, waterproof and dustproof testing. Complies with national safety standards for automotive auxiliary braking system accessories.
Note: Ensure proper installation direction matching original vehicle configuration and verify clean, dry wiring interfaces for optimal performance.
Zhengzhou Jechance Trading Co., Ltd., established in 2013, is a professional and integrated supplier specializing in a comprehensive range of bus parts. Strategically located in Zhengzhou, a pivotal national hub for transportation and logistics in China, we enjoy exceptional connectivity and access ... Zhengzhou Jechance Trading Co., Ltd., established in 2013, is a professional and integrated supplier specializing in a comprehensive range of bus parts. Strategically located in Zhengzhou, a pivotal national hub for transportation and logistics in China, we enjoy exceptional connectivity and access ...
