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12inch 24V Puller Fan SLT-2303X-7 (Replace Kelin 8170-00001)

This 12 inch 24V DC axial cooling fan features high airflow, low noise, and reliable performance. Designed for radiator, condenser, and HVAC cooling systems, it is widely used in buses, trucks, commercial vehicles, and industrial equipment. The brushless motor and IP68 waterproof design ensure long service life in harsh environments.
  • SLT-2303X-7

  • Sunlight

  • 24V

  • 3200 ± 200rpm

  • ≤ 7.0A

  • ≤ 75dB (A)

  • -40~+85°C

Availability:
Quantity:

Product Overview

The SLT-2303X-7 is a direct replacement brush axial suction fan, designed to match the installation size and performance of the Kelin 8170-00001 fan. This 12-inch 24V DC cooling fan is engineered for heavy-duty and commercial vehicle applications, delivering stable airflow, long service life and excellent reliability in harsh working conditions.

Key Technical Specifications

Parameter

Specification

Model No.

SLT-2303X-7

Compatible Model

Kelin 8170-00001

Rated Voltage

DC 24V

Rated Current

≤ 7.0A

Rated Speed

3200 ± 200 rpm

Noise Level

≤ 75 dB(A)

Static Pressure

0 Pa

Air Flow Rate

≥ 2600 m³/h

Operating Temperature

-40℃ ~ +85℃

Fan Size

12 Inch

Motor Rotation

Clockwise (viewed from shaft end, CW)

Insulation Resistance

≥ 20 MΩ (normal condition)

Protection Level

IP56

Life Span

≥ 6000 hours

Weight

2.5 ± 0.5 kg

Fan Wheel Material

PA66-GF35

Fan Cover Material

PA66-GF30

Connector Brand

Zhejiang Yida

Operating Mode

S1 (Continuous duty)

Connection Type

Standard automotive connector

Specification

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Core Features & Advantages

Direct Replacement Fit

Designed to perfectly match the installation dimensions and performance of the Kelin 8170-00001 fan, no modification needed for drop-in replacement.

Reliable Brush Motor Performance

High-power brush motor delivers stable speed and airflow, built to handle continuous operation in vehicle cooling systems.

Wide Operating Temperature Range

Rated for -40℃ to +85℃, suitable for extreme weather and heavy-duty applications such as construction machinery, buses and trucks.

High-Grade Materials & Durability

  • Impeller and guard made of reinforced PA66-GF material for high strength and impact resistance.

  • Dustproof domestic Allout-60RS lubricating grease ensures smooth operation and long bearing life.

  • Dynamic balance tested (imbalance ≤ 40mg) to reduce vibration and noise.

Automotive-Grade Wiring & Protection

  • Radiation-resistant wires with temperature resistance ≥ 125℃, complying with QC/T29106 standards.

  • Wire harness made of QZY-2/130 (0.44mm diameter, 22 strands), wrapped in tape for protection.

  • Connector and wire materials meet QC/T417-2001 and QC/T484 standards, withstanding -40℃ to +125℃ without aging or cracking.

  • IP56 protection level for excellent dust and water resistance.

Suction Type Configuration

Optimized for puller (suction) applications, ideal for radiator and heat exchanger cooling in commercial and heavy-duty vehicles.

Technical Highlights

  • Rotation Direction: Clockwise when viewed from the shaft end (CW), matching the original fan specification.

  • Noise Performance: ≤75dB(A) at rated speed, suitable for vehicle and equipment noise requirements.

  • Quality Control: Strictly tested for insulation resistance, dynamic balance, and environmental durability to ensure consistent quality.

    Applications

    • Heavy-Duty Mobile Platforms
      Provides reliable airflow for construction vehicles, engineering equipment, and other high-demand mobile systems.

    • Commercial Transportation
      Enhances thermal control in fleet vehicles, buses, and vans, ensuring consistent system performance under continuous operation.

    • Electric Vehicle Charging Infrastructure
      Optimizes cooling for power electronics and charging modules, supporting efficiency and long-term reliability.

    • Industrial Thermal Solutions
      Integrates seamlessly into energy management and HVAC systems, maintaining stable operation under variable conditions.

    • Custom and OEM Systems
      Flexible design allows integration into tailored cooling or heating solutions for diverse engineering and industrial applications.

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    Installation & Usage Tips 

    • Confirm Correct Airflow Direction
      Ensures optimal cooling efficiency and balanced thermal circulation for reliable system performance.

    • Provide Adequate Clearance
      Prevents airflow blockage, maintaining stable operation and

      izing energy waste.

    • Use Secure, Anti-Vibration Mounting
      Reduces noise, protects components, and enhances reliability in mobile and industrial applications.

    • Ensure Electrical Compatibility
      Guarantees smooth startup, precise speed control, and long-term stability of your system.

    • Shield from Environmental Stressors
      Protects the fan from dust, moisture, and debris, extending service life and maintaining efficiency.

    Certifications

    图片15图片31637

    The Experimental Project

    13254768

    About Sunlight

    Since 1990, Sunlight has specialized in manufacturing high-performance brushless fans and blowers. Certified with ISO9001 and IATF16949, our products meet CE, RoHS, and EMC standards. Widely applied in

    ive, machinery, refrigeratio

    ergy industries. Sunlight is committed to delivering quality, innovation, and reliable cooling solutions.

    All fans undergo 100% testing before shipment, with customization and technical support available.

    Ordering Information

    Sample Lead Time: 14days

    Mass Production: 21days

    MOQ: 2

    Customization: Voltage, control mode, wiring, housing treatment available

    Contact Us:

    Sunny Li: +86-18806140118 / sunny@sunlightmotor.com

    Alisa Chen: +86-18806140198 / sales3@czsunlight.com

    Mia Ma: +86-18806140168/ sales1@czsunlight.com

    Vicky Li: +86-18806140098/ sunlight@sunlightmotor.com 

Why Choose SLT-2303X-7 as a Kelin Replacement?

  • ✅ Same installation size and interface as the original 8170-00001 fan

  • ✅ More competitive pricing without compromising performance

  • ✅ Strict quality control and long lifespan (≥6000 hours)

  • ✅ Reliable supply chain and fast delivery

  • ✅ Customization available for special connector or lead length requirements

FAQ

Q1: What ensures reliable long-term operation for this fan?

A: It uses high-grade components including reinforced PA66-GF materials, IP56-rated protection, and domestic Allout-60RS grease, delivering stable performance with a rated lifespan of 6000 hours.

Q2: Can this fan maintain performance in tough environments?

A: Yes, it operates reliably across -40°C to +85°C, withstanding vibration, dust, moisture, and extreme temperatures in heavy-duty vehicles and construction machinery.

Q3: Is this fan adaptable across different systems?

A: Absolutely. It is a direct replacement for the Kelin 8170-00001 fan, fitting seamlessly into truck, bus, generator, and construction equipment cooling systems.

Q4: How does this fan improve overall system efficiency?

A: With a minimum airflow of 2600 m³/h at 3200±200 rpm, it provides strong, consistent suction cooling to optimize radiator performance and prevent overheating.

Q5: Does this fan meet automotive-grade standards?

A: Yes, its wiring harness, connectors, and materials comply with QC/T standards, offering radiation resistance, temperature stability, and long-term reliability in vehicle applications.

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