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DJ70253-6.3-11/21 2-Pin Waterproof Connector for Excavator Pressure Speed Water Temperature Sensor
DJ70253-6.3-11/21 2-Pin Waterproof Connector for Excavator Pressure Speed Water Temperature Sensor
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DJ70253-6.3-11/21 2-Pin Waterproof Connector — Excavator Pressure, Speed & Water Temperature Sensor
The DJ70253-6.3-11/21 is a heavy-duty waterproof 2-pin connector with a 6.3mm pitch, specifically designed for excavator and construction machinery sensor wiring. Cross-references OEM part numbers 7123-6423-30 (male) and 7222-6423-30 (female), making it a direct-fit replacement for Komatsu, Hitachi, Caterpillar, and Kobelco excavator sensor harnesses.
Key Specifications
| Parameter | Value |
|---|---|
| Model | DJ70253-6.3-11/21 |
| OEM Cross Reference | 7123-6423-30 (male) / 7222-6423-30 (female) |
| Pin Count | 2-Pin |
| Pitch | 6.3mm |
| Housing Material | PA66 (Nylon 66), UL94 V-0 |
| Seal Type | Rubber wire seal + connector seal |
| Waterproof Rating | IP67 |
| Operating Temperature | -40°C to +125°C |
| Current Rating | Up to 20A per pin |
| Wire Range | 1.0–2.5mm² |
| Certification | CE, RoHS |
| Color | Black |
| Includes | Male plug + female receptacle + terminals + seals |
Why Choose DJ70253-6.3-11/21?
- OEM excavator match — direct replacement for 7123-6423-30 / 7222-6423-30 used on major excavator brands
- IP67 waterproof — rubber seals protect against mud, water, and hydraulic fluid in harsh construction environments
- 6.3mm high-current pitch — handles up to 20A per pin for sensor and power circuits
- PA66 housing — flame-retardant, vibration-resistant, rated to 125°C continuous
- CE & RoHS certified — meets European industrial and environmental standards
Compatible With
- Komatsu: PC200, PC300, PC400 excavator sensor wiring (OEM 7123-6423-30)
- Hitachi: ZX200, ZX300 excavator pressure and temperature sensors
- Caterpillar: 320, 330 series excavator sensor harnesses
- Kobelco: SK200, SK300 excavator wiring
- Pressure sensors, speed sensors, water temperature sensors on construction machinery
- Wire gauge: 1.0–2.5mm² (AWG 18–14)
Typical Applications
- Excavator hydraulic pressure sensor connector repair
- Engine speed sensor wiring replacement
- Water temperature sensor harness restoration
- Construction machinery electrical maintenance
Package Contents
- 1× Male plug housing (DJ70253-6.3-11 / OEM 7123-6423-30)
- 1× Female receptacle housing (DJ70253-6.3-21 / OEM 7222-6423-30)
- 2× Crimp terminals (6.3mm)
- 2× Rubber wire seals
FAQ
- Q: Which excavator brands use the 7123-6423-30 / 7222-6423-30 connector?
- A: These OEM part numbers are primarily used on Komatsu excavators (PC200, PC300, PC400 series) for pressure, speed, and temperature sensor wiring. They are also compatible with Hitachi, Caterpillar, and Kobelco excavators using the same connector family.
- Q: Can this connector be used in muddy or wet construction environments?
- A: Yes. The IP67 waterproof rating and rubber wire seals make it suitable for excavator and construction machinery environments with exposure to mud, water, and hydraulic fluid.
- Q: What sensors commonly use the DJ70253-6.3-11/21 connector?
- A: Common applications include hydraulic pressure sensors, engine speed sensors (RPM), and water/coolant temperature sensors on Komatsu, Hitachi, and Caterpillar excavators.
