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China factory - Nanjing Dingguan Automotive Parts Co., Ltd.

Nanjing Dingguan Automotive Parts Co., Ltd.

  • China,Nanjing
  • Verified Supplier
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  3. King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to
China King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to
China King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to

  1. China King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to
  2. China King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to
  3. China King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to

King Long Higer Bus Retarder Contact SZZ52018 with Stable Operation from -40℃ to

  1. MOQ： 1
  2. Price： $5/pieces 5-49 pieces
  3. Get Latest Price
Payment Terms T/T
Supply Ability 5000/month
Delivery Time 5-15day
Packaging Details Carton, wooden box, custom packaging
Temperature range Stable operation over the full temperature range from -40℃ to 125℃
rated voltage Compatible with 24V DC vehicle-mounted systems
response speed The response time of the on-off action is ≤ 10ms
Vibration resistance performance Passed the 5-2000Hz random vibration test
Salt spray protection Neutral salt spray test: no rust for 96 hours
Overload protection Built-in bimetallic strip overload protection
make-and-break life No failure after 500,000 on-off cycle tests
Contact plating Using hard gold-cobalt alloy plating
Brand Name Dingguan
Model Number SZZ52018
Certification ISO 9001
Place of Origin Nanjing, China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 5000/month
Delivery Time 5-15day Packaging Details Carton, wooden box, custom packaging
Temperature range Stable operation over the full temperature range from -40℃ to 125℃ rated voltage Compatible with 24V DC vehicle-mounted systems
response speed The response time of the on-off action is ≤ 10ms Vibration resistance performance Passed the 5-2000Hz random vibration test
Salt spray protection Neutral salt spray test: no rust for 96 hours Overload protection Built-in bimetallic strip overload protection
make-and-break life No failure after 500,000 on-off cycle tests Contact plating Using hard gold-cobalt alloy plating
Brand Name Dingguan Model Number SZZ52018
Certification ISO 9001 Place of Origin Nanjing, China
High Light Stable operation from -40℃ to 125℃ Retarder Contact ，24V DC vehicle-mounted systems Bus Retarder Switch ，Response time ≤ 10ms Electromagnetic Retarder Component

The Critical Command for Braking Safety: Retarder Contact SZZ52018

Product Description

On a long, steep descent, a heavy bus undergoes the ultimate test of its braking system. This is where the electromagnetic retarder becomes the driver's most trusted tool—a powerful, auxiliary braking force that prevents service brake fade and ensures complete control. But this entire system, a marvel of engineering, is entirely dependent on one small, mission-critical component: the Retarder Contact.

Nanjing Dingguan Auto Parts Co., Ltd. is proud to manufacture the SZZ52018 Retarder Contact, the essential command switch for King Long and Higer buses.

Think of this contact as the bridge between driver intent and mechanical action. When the driver activates the retarder, it is this precise component that closes the circuit, sending the vital electrical signal that engages the powerful braking force. A worn or failing contact breaks this bridge. The signal is lost, the retarder fails to activate, and a critical safety system is rendered useless at the moment it is needed most.

Our SZZ52018 is engineered to eliminate this single point of failure. It is manufactured from premium, high-conductivity alloys and features contact points designed to resist the electrical arcing and mechanical wear of constant use. This ensures a crisp, immediate electrical signal every time, resulting in flawless, lag-free retarder activation.

Engineered as a direct, OEM-standard replacement, it guarantees a perfect fit and a swift installation process for your King Long and Higer fleet. By replacing this small, cost-effective part, you are not just performing maintenance; you are restoring the integrity of a life-saving system. This investment protects your service brakes from premature wear, significantly lowers maintenance costs, and provides your drivers with the unwavering confidence they need to navigate any terrain safely.

Trust Nanjing Dingguan for components where reliability is non-negotiable.

Contact our expert team today for a competitive quote.

Product Name:

 Retarder contact

Part Number;

 SZZ52018

Quality control:

 ECE R11+CCC

Size:

 insurance
Type: Retarder accessories

Place of origin:

 Nanjing, China

Materials:

 Multi-material

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:

 SZZ52018 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 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.

 

Contact Us











Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Year Established:

    2003

  • Total Annual:

    5000000-10000000

  • Employee Number:

    100~200

  • Ecer Certification：

    Verified Supplier

Nanjing Dingguan Automotive Parts Co., Ltd.: Your Trusted Global Automotive Solutions Partner Nanjing Dingguan Automotive Parts Co., Ltd. is an outstanding manufacturer of high-quality automotive parts and a global supplier. We have always been unswervingly committed to excellence and innovation, fo... Nanjing Dingguan Automotive Parts Co., Ltd.: Your Trusted Global Automotive Solutions Partner Nanjing Dingguan Automotive Parts Co., Ltd. is an outstanding manufacturer of high-quality automotive parts and a global supplier. We have always been unswervingly committed to excellence and innovation, fo...

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Get in touch with us

  • Reach Us
  • Nanjing Dingguan Automotive Parts Co., Ltd.
  • Gaoli Auto Parts City, No. 18, Qixia Avenue, Nanjing
  • https://www.bussparesparts.com/

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