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China factories

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

Nanjing Dingguan Automotive Parts Co., Ltd.

  • China,Nanjing
  • Verified Supplier
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  3. Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2
China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2
China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2

  1. China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2
  2. China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2
  3. China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2
  4. China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2
  5. China Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2

Yutong Bus Low Pressure Alarm Brake Light Switch 3757-00037 VK691-5538Z2

  1. MOQ： 1
  2. Price： $4.5/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
Alarm methods Acoustic and optical alarm
Installation method Threaded connection
Operating temperature -45℃ - +90℃
Barometric pressure measurement range 0 - 1.2MPa
service life ≥8 years
Operating voltage 24V DC
Standby current ≤10mA
Alarm current ≤50mA
Protection level IP68
Recovery time ≤5s
Brand Name Dingguan
Model Number 3757-00037/VK691-5538Z2
Certification ISO 9001+IATF 16949
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
Alarm methods Acoustic and optical alarm Installation method Threaded connection
Operating temperature -45℃ - +90℃ Barometric pressure measurement range 0 - 1.2MPa
service life ≥8 years Operating voltage 24V DC
Standby current ≤10mA Alarm current ≤50mA
Protection level IP68 Recovery time ≤5s
Brand Name Dingguan Model Number 3757-00037/VK691-5538Z2
Certification ISO 9001+IATF 16949 Place of Origin Nanjing, China
High Light Yutong bus brake light switch ，low pressure alarm switch 3757-00037 ，bus spares parts VK691-5538Z2

Low Air Pressure Alarm & Brake Light Switch for Yutong Buses | P/N: 3757-00037 / VK691-5538Z2

Product Description

A Critical Component for Uncompromised Brake System Safety.

In the demanding world of public and commercial transport, the integrity of a bus’s pneumatic brake system is paramount. Nanjing Dingguan Accessories Co., Ltd. manufactures and supplies this high-quality, dual-function Low Air Pressure Alarm and Brake Light Switch, an essential replacement part for Yutong buses.

This single, robust unit performs two vital safety functions. As a low air pressure sensor, it continuously monitors the vehicle’s brake system. If the air pressure drops below the safe operating threshold, it instantly triggers a warning alarm, alerting the driver to a potential brake system fault before it becomes a critical failure.

Simultaneously, it serves as a highly responsive brake light switch. Upon application of the brake pedal, it ensures the immediate and reliable activation of the rear brake lights, providing a clear signal to other vehicles and drastically reducing the risk of rear-end collisions.

Key Features:

  • Dual-Function Design: Combines a low-pressure alarm and brake light switch into one efficient, cost-effective component.
  • Direct OEM Replacement: Engineered as a perfect substitute for Yutong part numbers 3757-00037 and VK691-5538Z2, guaranteeing a seamless fit and function.
  • Enhanced Safety: Provides critical early warnings and ensures brake light reliability.
  • Durable Construction: Built to withstand the rigors of daily commercial use for long-lasting, dependable performance.

As a direct manufacturer, Nanjing Dingguan Accessories Co., Ltd. delivers superior quality and value. Ensure the safety and reliability of your fleet with parts you can trust.

Contact us today for a competitive quotation or to learn more about our extensive catalog of bus components.

Product Name:

 Low pressure alarm

Part Number;

3757-00037/VK691-5538Z2

Quality control:

  ISO 9001+IATF 16949 

Size:

Z3/8,OFF>0.52MPa>ON
Type: sensor

Place of origin:

 Nanjing, China

Materials:

 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.

OE:

3757-00037/VK691-5538Z2

 		 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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