Molex 3/4-Pin Electrical Connector – Automotive & Industrial

Molex 3/4-Pin Polyester Electrical Connector for Automotive & Industrial Wiring

Keep your wiring projects running smoothly with this Molex-compatible 3/4-pin electrical connector. Built from high-grade flame-retardant polyester, it delivers stable, uninterrupted power and signal transmission across a wide range of automotive, industrial, and electronic applications. Made in China.

Key Features

• Superior Electrical Insulation: Flame-retardant polyester housing provides reliable high-voltage insulation and anti-static performance, effectively minimizing short-circuit risks for safe operation of connected systems.
• Corrosion & Wear Resistant: Rugged engineered polyester resists moisture, dust, common industrial chemicals, and long-term friction — extending service life even in demanding environments.
• Secure Anti-Disengagement Locking Design: Precision-molded locking buckle fits tightly with matching connectors, preventing accidental disconnection under continuous vibration or movement to guarantee uninterrupted transmission.
• Wide Temperature Adaptability: Retains stable physical properties across a broad temperature range — will not easily deform, crack, or age under extreme heat or cold, making it versatile for diverse settings.
• Standardized Plug-and-Play Installation: High-precision molded structure complies with official Molex size specifications for fast, easy assembly that reduces wiring time and boosts work efficiency.

Specifications

Common Applications

• Automotive wiring harnesses and repairs
• Industrial control panels and machinery
• PCB and electronics assembly
• DIY electrical projects and prototyping

Notes

• Photos may not reflect actual size — please refer to specifications for dimensions.
• Allow for slight measurement differences due to manual measuring.
• Color may vary slightly between monitors and the actual product.

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Frequently Asked Questions

Q: What pin configurations does this Molex electrical connector support?

A: This connector is available in both 3-pin and 4-pin configurations, making it suitable for a variety of automotive wiring and industrial repair applications that require dependable multi-pin connections.

Q: What voltage range is this Molex connector rated for?

A: This connector supports low-voltage applications — specifically below 50Vac or 75Vdc — covering common voltages of 5V, 12V, 20V, and 30V, which are typical in automotive electronics and industrial control systems.

Q: Is this connector compatible with standard Molex wiring systems?

A: Yes. The housing is precision-molded to comply with official Molex size specifications, ensuring a secure, plug-and-play fit with standard Molex-compatible terminals and housings used in automotive and industrial wiring setups.

Q: Can this connector withstand harsh industrial environments?

A: Absolutely. The high-grade polyester housing resists moisture, dust, and common industrial chemicals, while its wide temperature adaptability ensures it remains structurally stable under both high and low temperature extremes.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.