This HD0318Z-1-21J to XH2.54 3Pin waterproof wiring harness wire is a professional heavy-duty adapter cable, engineered for seamless connection between automotive engine bay sensors, excavator construction machinery and industrial control equipment. One end features an original-spec HD0318Z-1-21J sealed waterproof locking automotive connector, while the opposite end terminates in a standard XH2.54 3Pin (2.54mm pitch) terminal connector. Constructed with industrial-grade materials and strict quality control, this wire harness delivers stable, low-loss power and signal transmission, perfectly adapting to the harsh high temperature, heavy vibration, oil, dust and moisture conditions of engine bays and construction sites.
Key Features
✅ Dual Interface HD0318Z to XH2.54 Conversion
HD0318Z-1-21J End: Sealed waterproof locking automotive connector, ensuring firm mating and anti-vibration stability.
XH2.54 End: Standard 3Pin 2.54mm pitch XH terminal, widely compatible with universal control boards, circuit modules and small electronic systems.
✅
IP65 Waterproof & Dustproof ProtectionThe automotive plug end is equipped with a built-in rubber sealing ring, providing excellent IP65 waterproof, dustproof, oil-proof and mud-proof performance. Fully resistant to rain splash, engine oil, debris and humidity, it is ideal for under-hood and outdoor construction site use.
✅ Extreme Environmental Durability
Wire Material: 22AWG high purity tinned copper core + heat & oil resistant outer insulation, supporting a wide working temperature range of -40°C ~ +125°C.
Mechanical Strength: Outstanding vibration resistance handles constant heavy mechanical shaking during excavator and industrial equipment operation.
Anti-Aging: Premium jacket material ensures long-lasting service life for all-weather outdoor use.
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Stable Signal & Power TransmissionLow-resistance pure copper conductors eliminate signal attenuation and interference, ensuring consistent and accurate sensor data feedback, avoiding engine error codes and equipment malfunctions.
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Easy & Versatile InstallationPre-terminated finished harness with clearly red/black/white color-coded wires for quick polarity identification. No complex rewiring required, perfect for equipment repair, modification, cross-interface matching and DIY project assembly.
Wide Applications
Car engine compartment various sensor connection and replacement
Excavator, engineering & construction heavy machinery internal wiring
Agricultural machinery and off-road vehicle electrical system refit
Industrial automation equipment control module signal transmission
Old damaged original factory harness direct drop-in replacement
Electronic DIY projects requiring automotive to XH2.54 interface conversion
Product Advantages
Professional waterproof sealing for all harsh weather and working conditions
Superior vibration resistance ensures stable connection on rough roads and job sites
Excellent heat and oil resistance greatly extends service lifespan
Error-free color coding simplifies installation and avoids wiring mistakes
Cost-effective, high performance OEM equivalent replacement solution
Customization Service
Custom wire length available on request
Custom wire gauge and terminal configuration
Bulk OEM private labeling and wholesale order support
