high flow micro automotive air pump

Basic Information
Place of Origin: Xiamen China
Brand Name: AJK
Certification: RoHS
Model Number: AJK-B4004
Minimum Order Quantity: 1PCS
Price: USD 4-6USD/PCS
Packaging Details: 120PCS/CARTON (450*340*320MM)
Payment Terms: Western Union, L/C, T/T
Supply Ability: 500000PCS/MONTH
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Structure: Diaphragm Application: Electric Massage Chair; Auto Seat Comfort

high flow micro automotive air pump

A large flow mini air pump specially designed for automotive seat system. It is compact, lightweight and customizable.

  • Item No.:

    AJK-B4004 (12/24V)
  • Free Flow:

    8 L/min
  • Max Pressure:

    50 kPa
  • DC Voltage:

    12/24 V
  • Applications:

    Medical equipment, healthcare equipment, household appliances
Product Details:

AJK DC 12 24 V Automotive Micro Air Pump B4004 is a compact 39 mm wide pump that delivers up to 8 L/min of flow. Customization is available on your specific needs and life expectations.



1.For automobile seat massaging system and lumbar support.

2.High flow rate, stable performance, high efficiency and long life.

3.Our micro gas pumps are designed with low vibration, low noise and low power consumption.

4.100% oil free small air pumps that maintain the purity of your system.

5.ISO9001, CB, FDA, PAHs, REACH, RoHS compliant.


Typical Applications:

Car massage seat

Car lumbar support

Massage chair



Rated Voltage

Rated Current

Free Flow

Max Pressure




DC 12.0 V

< 700 mA

8.0 L/min

50 kPa

< 60 dB


DC 24.0 V

< 450 mA

8.0 L/min

50 kPa

< 60 dB



Dimention Drawing:

high flow micro automotive air pump


high flow micro automotive air pump


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A free consultation

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Contact Details

Phone Number : +86 13695024889

WhatsApp : +8613695024889