What is a 12 Pin Automotive Connector?
A 4 pin automotive connector, also referred to as a 4 cavity automotive connector, is a widely used electrical interconnection component in automotive electrical systems. In wire-to-wire applications, it typically consists of mating male and female connector housings with four individual contact cavities, allowing power, ground, and multiple signal circuits to be routed through a compact connector assembly.
These connectors are widely used in automotive lighting, sensors, throttle position sensors (TPS), fog lamps, small actuators, and wiring harness adapters. They are a common configuration in automotive wiring harnesses and are also frequently used in aftermarket harnesses and electrical systems for construction machinery. Actual circuit functions, terminal arrangements, and mating compatibility depend on the specific connector series and part number.
A 4 pin automotive electrical connector is a four-position electrical interconnect designed for demanding automotive operating conditions. Each terminal position corresponds to a specific electrical circuit, with the pin assignment determining the power, ground, and signal connections. However, cavity count alone does not establish connector compatibility. Keying features, terminal specifications, and pin assignments can vary between connector types. The terminal configuration, electrical ratings, and mating compatibility ultimately depend on the specific connector series and part number.
4 Pin Automotive electrical Connector Solutions
We offer compatible replacement male and female automotive connectors for selected Yazaki, VW, and other connector applications, subject to OEM part number and specification verification.
We provide compatible automotive connector solutions based on OEM part numbers, connector dimensions, terminal configurations, and sealing requirements to help ensure proper fitment and reliable electrical connections in automotive and off-highway wiring harnesses.
The most common types we offer are：
- Yazaki 4 Pin Male Connector
- VW 4 Pin Female Connector
- VW 4 Pin Male Connector
Connector 4 Pin 1.2 SERIES
Connector4 Pin 1.5 SERIES
Connector 4 Pin 1.8 SERIES
Connector 4 Pin 805-122-581
Connector 4 Pin 10092979
Connector 4 Pin 3-1719434-1
Connector 4 Pin 0973712
Connector 4 Pin 61897667
Connector 4 Pin 61897667
Connector 4 Pin 09442401
Connector4 Pin 0941994a
Connector 4 Pin 5223-0411
15324787 Connector 4Pin
34900-4120 Connector 4 Pin
52266-0417 Connector 4 Pin
52213-0417 Connector 4 Pin
805-200-521 Connector 4Pin
09442401 Connector 4Pin
4 Pin Car Connector Specifications
| Product name | 4pin Automotive Connector |
| Material | Housing:PBT+G,PA66+GF;Terminal:Copper Alloy, Brass, Phosphor Bronze. |
| Connector Gender | Male / Female |
| Number of Positions | 4 terminal positions |
| Sealed or Unsealed | Sealed |
| Operating Temperature range | -40℃~120℃ |
| Connector Series | Specific connector series, including Yazaki, VW and others。 |
| MOQ | Small order can be accepted. |
| Payment term | 30% deposit in advance,70% before shipment,100% TT in advance |
| Packaging | 100,200,300,500,1000，1500PCS per bag with label,export standard carton. |
| We can supply sample, OEM&ODM is welcome. |
Sealed vs. Unsealed 4 Pin Automotive Connectors
Sealed 4 Pin Automotive Connectors
Mating interface seal → Seals the gap between the male and female connector housings; wire seal → Seals the cable entry points; overall housing sealing → Encloses and protects all internal terminals. Together, these sealing elements determine whether a connector can resist water, dust, salt spray, and oil, and whether it is suitable for dry areas inside the vehicle or harsh environments such as the engine compartment and chassis. If any one of these sealing elements fails, the environmental protection capability of the entire sealed connector will be compromised.
Unsealed 4 Pin Automotive Connectors
Non-sealed 4 pin waterproof automotive connectors do not have rubber sealing gaskets or wire seals. They feature a simpler housing design and lower cost, with terminals secured by housing latches and TPA (Terminal Position Assurance) locks. They do not provide water or dust protection and are suitable only for dry interior environments, such as dashboards and interior trim areas. They should not be used in engine compartments, underbody areas, or exposed locations prone to water splashes. Connector selection must be based on the installation environment and required level of environmental protection.
Applications of 4 Pin Automotive Connectors
Sensor and Engine Management Applications
4-pin sealed connectors are commonly used in engine sensors, such as throttle position, intake manifold pressure, and temperature sensors, as well as ECU connections. They transmit power and sensor signals, enabling the engine management system to acquire data and precisely control fuel injection and ignition timing.
Ignition and Related Electrical Applications
Suitable for ignition coil connections, transmitting ECU ignition control signals and power to ensure stable ignition system operation. Designed for use in demanding engine compartment conditions involving high temperatures and moisture.
Vehicle Electrical Systems
Matching Terminals and Seals for 4 Pin Connectors
We supply terminals, wire seals, and sealing components for compatible automotive connectors. Connector housings are also available separately. All these components are available through our one-stop supply service to meet your automotive connector assembly requirements.
- Compatible Automotive Connector Terminals
- Wire Seals and Sealing Components
- connector Housing and Component Supply
Frequently Asked Questions
Yes, we supply both male and female 4-pin automotive connectors, including compatible connector housings, terminals, and sealing components. Please share your OEM part number, connector photos, or technical drawings, and we will help identify the matching connector pair for your application.
No, not all 4-pin automotive connectors are waterproof. Sealed connectors use wire seals and mating interface seals to help protect against water and dust ingress, while non-sealed connectors are designed for dry environments. The appropriate connector depends on the installation location and required IP rating.
Yes, YUEQING CV Auto Parts Department can supply compatible terminals, wire seals, interface seals, and connector housings to support your automotive connector assembly requirements. We also offer these components separately. Please provide your OEM part number, connector series, or technical drawings to help us identify the matching components for your application.
The MOQ for 4-pin automotive connectors depends on the connector series, configuration, and order requirements. Please share your required part number, quantity, or product specifications, and our team will confirm the MOQ and provide a quotation accordingly.
