2-Pin Automotive Waterproof Connector – HD028P-0.6-21, Female Housing Plug for Automotive Wiring Cable

HD028P-0.6-21 is a 2-pin waterproof automotive connector housing (female plug) for automotive wiring cable repair and OEM harness replacement. The 2-pin configuration is the most common in automotive applications — used for simple power and ground connections to sensors, actuators, lighting, and accessories throughout the vehicle. The HD028P series designation indicates a compact waterproof housing with 0.6mm pitch contacts, suitable for low-current signal and power circuits.

Key Specifications

• Part Number: HD028P-0.6-21
• Housing Type: Female plug (cable-mount)
• Pin Count: 2 pins
• Contact Pitch: 0.6mm (micro-pitch)
• IP Rating: IP67
• Housing Material: PA66 nylon, flame retardant
• Operating Temperature: -40°C to +125°C
• Application: Automotive sensor, actuator, and accessory wiring

2-Pin Connector Applications in Automotive Wiring

• Sensors: 2-wire sensors (coolant temperature, oil pressure, fuel level) — supply + signal or supply + ground
• Actuators: 2-wire solenoid valves, relays, and simple actuators — positive + negative
• Lighting: Single-circuit lighting connections — positive + ground
• Switches: Simple on/off switch connections
• Accessories: 2-wire automotive accessories requiring a sealed connection

Frequently Asked Questions

How do I identify the correct replacement connector for my vehicle?

The part number HD028P-0.6-21 is typically molded into the connector housing. Cross-reference with the vehicle’s parts catalog or wiring diagram to verify it is the correct replacement. Verify: pin count (2), connector gender (female plug), contact pitch (0.6mm), and locking mechanism. If the part number is not visible, measure the connector dimensions and contact spacing for cross-referencing.

What contacts are compatible with HD028P-0.6-21?

The HD028P series uses 0.6mm pitch contacts. Identify the correct contact part number from the connector’s datasheet or the vehicle’s wiring diagram parts list. Micro-pitch contacts require a dedicated micro-crimp tool — do not use standard automotive crimp tools on 0.6mm contacts.

Can I use this connector for sensor replacement?

Yes. If the original sensor connector housing is damaged (cracked, broken latch, or corroded terminals), replace the housing and terminals rather than the entire sensor. This is the most cost-effective repair when the sensor itself is functional. Order the correct housing (HD028P-0.6-21), the correct contacts, and wire seals for a complete connector repair kit.

Typical Applications

• Sensor repair: Replacing damaged 2-pin sensor connector housings
• Actuator wiring: 2-pin solenoid and actuator connector replacement
• Lighting: Single-circuit lighting connector repair
• Automotive workshops: Workshop stock for common 2-pin connector repairs

Package Contents

1 piece — HD028P-0.6-21 2-pin automotive waterproof female connector housing. Contacts and wire seals ordered separately if not included.