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Electric Radiator Cooling Fan Wire Relay Kit Complete Thermostat 50Amp High-performance Automotive Wiring Harness

Product Description Engineered for demanding thermal management systems, the Electric Radiator Cooling Fan Wire Relay Kit Complete Thermostat 50Amp High-performance Automotive Wiring Harness provides a comprehensive and reliable solution for regulating engine and heavy machinery temperatures. At the core of this harness lies a heavy-duty 50Amp relay combined with high-purity oxygen-free copper wiring, ensuring stable current transmission even under maximum load conditions. An integrated overload
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  • Automobile Wiring Harness 14

Product Description

Engineered for demanding thermal management systems, the Electric Radiator Cooling Fan Wire Relay Kit Complete Thermostat 50Amp High-performance Automotive Wiring Harness provides a comprehensive and reliable solution for regulating engine and heavy machinery temperatures. At the core of this harness lies a heavy-duty 50Amp relay combined with high-purity oxygen-free copper wiring, ensuring stable current transmission even under maximum load conditions. An integrated overload circuit breaker safeguards the entire electrical circuit, preventing thermal damage during unexpected voltage spikes and ensuring absolute system safety.

The kit features a precise thermostat—available in fixed or adjustable configurations, such as a 180-degree precise activation switch—that intelligently manages fan operation. This scientific approach to thermal regulation maximizes cooling efficiency while reducing unnecessary power draw from the alternator. Assembly technicians will appreciate the standardized plug-and-play architecture, which significantly reduces installation time and minimizes wiring errors on the production line, fully compatible with both single and dual cooling fan setups.

When handling the harness, the thick, flexible insulation provides a reassuring tactile grip, while the premium connectors engage with a firm, audible click, confirming a secure, vibration-resistant connection. Whether integrating into commercial automotive fleets, agricultural equipment, or industrial machinery, this wiring solution delivers unwavering reliability and extends the operational lifespan of critical cooling components.

Electric Radiator Cooling Fan Wire Relay Kit with 50Amp relay and pure copper wiring

Data sheet

The following specifications detail the exact parameters of our cooling fan wiring harness. Every component undergoes rigorous testing protocols before leaving the facility, ensuring absolute compliance with international automotive and industrial standards. We utilize premium materials, from the highly conductive pure copper core to the rugged insulation layers, designed to maintain flexibility and structural integrity across fluctuating temperature ranges. Procurement teams can rely on these verified metrics for accurate system planning and dependable long-term performance.

Product name Electric Radiator Cooling Fan Wire
Test 100 Testing
Cable materials pure copper
Cable color, lenght According to the customers' need
Insulation Rubber,Silicon,PE,...etc
Connector Type Molex, JST, TE, Deutsch
Application Automotive,Electrical,Industry
Service OEM and ODM are acceptable
Samples Provide samples for confirmation before production
Certificates ITAF16949, ISO9001

By strictly adhering to ITAF16949 and ISO9001 dual international quality standards, we maintain complete traceability and stringent quality control throughout the entire manufacturing process. The integration of internationally recognized connector brands like Molex, JST, TE, and Deutsch ensures direct compatibility with existing electrical architectures, delivering an industrial-grade, zero-defect product.

High-performance automotive wiring harness showing Molex and TE connectors and heavy-duty insulation

Packaging and delivery

Ensuring the physical integrity of sensitive electrical components during transit is a critical priority. Our packaging strategy is meticulously designed to protect the wiring harness from moisture, dust, and mechanical stress from our facility directly to your assembly line. Each unit is individually sealed, providing a strong barrier against humidity and preventing the copper terminals from oxidizing during extended shipping routes or warehouse storage.

  • Packaging Details: PE bag/Carton
  • Selling Units: Single item
  • Single package size: 20X15X10 cm
  • Single net weight: 0.100 kg

These individual PE bags are then carefully arranged within reinforced corrugated cartons. The standard single package dimensions are precisely calculated to maintain a compact footprint, optimizing pallet space and reducing logistics overhead. Weighing exactly 0.100 kg per unit, the lightweight yet robust construction facilitates easy handling for inventory management personnel. This standardized packaging approach guarantees that the product arrives in pristine, ready-to-install condition, streamlining the unboxing and integration process for large-scale manufacturing operations.

ODM/OEM are available

Our manufacturing facility is fully equipped to handle specialized requests, offering deep customization to align with your specific project requirements. From initial concept to final mass production, our engineering team provides comprehensive support to ensure optimal performance and integration.

1) Fast response to customer needs

We prioritize rapid communication and agile development cycles. When technical specifications are submitted, our engineering team immediately evaluates the requirements, providing prompt feedback, actionable design proposals, and long-term technical support to keep your procurement and production schedules firmly on track.

2) We have accumulated industry experience in various types of industrial applications to help provide customers with suitable solutions.

By analyzing past integration challenges across automotive, agricultural, and heavy machinery sectors, we proactively design wiring harnesses that bypass common failure points. Our deep understanding of thermal dynamics allows us to recommend the most effective relay and wire gauge combinations for your specific operational demands.

3) Engineering and technical support for connector and cable assembly structure design, mold manufacturing, etc

Our dedicated technical team provides end-to-end engineering support. This includes custom tooling for unique terminal housings and full-link structural design, ensuring a perfect physical and electrical match for proprietary equipment that standard off-the-shelf harnesses cannot accommodate.

4) Support small batch customization to meet customers' personalized needs

We actively support flexible manufacturing. Whether you require specific cable lengths, unique color-coding for complex wiring schematics, or specialized terminal configurations, our production lines can adapt without demanding excessive minimum order quantities, empowering specialized equipment builders.

5) Our product is suitable for harsh industrial environment, anti-interference, anti UV, vibration resistance, temperature resistance, oil resistance, etc. the waterproof grade can reach above IP67

Built for extreme environment tolerance, the thick outer jacket feels incredibly durable to the touch, actively repelling industrial lubricants and resisting degradation from direct sunlight. The IP67-rated sealing ensures that moisture and fine dust cannot penetrate the connection points, guaranteeing long-term reliability in exposed outdoor and demanding off-road settings.

6) The materials meet the requirements of environmental protection, effectively save energy and reduce the pollution of harmful substances.

By utilizing highly efficient copper cores and eco-friendly insulation compounds, these harnesses minimize electrical power loss and align with global environmental compliance standards. This commitment to sustainable materials not only protects the environment but also enhances the overall energy efficiency of the machinery they power.

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Changsha Sibel was established in 2017, mainly engaged in connectors, power cords, power plugs, wiring harness and related technical services, etc.

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