ylcmparts

Excavator Cooling System & Radiator Manufacturer

With 22 years of engineering machinery expertise, YLCM delivers OEM-grade cooling solutions for global mining and construction equipment, serving 20+ major OEM partners across China, Japan, Russia, and the U.S.

Full Range – One-stop supply: radiators, water pumps, fans, A/C systems, coolant tanks.

High Efficiency – Enhanced radiators with 35% larger copper-aluminum fins, stable up to 55°C.

Long-Service Reliability – Heavy-duty water pumps with silicon-carbide seals, MTBF >6,000h (fits CAT/Komatsu/Cummins).

Energy Saving – IP68 cooling fans with PWM control, up to 30% energy reduction.

High-Efficiency AC Components, Radiator Parts and Cooling System

Reliable & High-Performance – Comprehensive solutions for AC systems, engine cooling, and hydraulic oil cooling ensure stable operation under heavy loads.

Efficient & Long-Lasting – Radiators are crafted from high-strength aluminum-brass with 2.3mm fin spacing, delivering 40% higher heat dissipation than conventional designs; all units are ISO 16345 certified for durability.

Intelligent & Energy-Saving – Cooling fan motors feature smart ECU control, automatically adjusting speed based on real-time temperature and load, reducing energy consumption by 35% while maintaining optimal cooling performance.

Precise & Protected – Pumps utilize ceramic mechanical seals and CFD-optimized stainless steel impellers, achieving up to 18m head and 280 L/min flow to effectively prevent cavitation and ensure reliable long-term operation.

High-Efficiency Drying & Long Service Life – Dryer assemblies integrate twin-tower molecular sieves with intelligent regeneration systems, offering 50% higher adsorption capacity and maintaining a -40°C dew point over extended periods.

Energy & Maintenance Savings – Intelligent control and efficient design reduce energy consumption and extend equipment service life.

Wide Compatibility – Suitable for multiple machinery brands and critical cooling positions, providing a one-stop thermal management solution.

Contact us today for customized thermal management solutions that enhance efficiency, reliability, and overall equipment performance!

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Professional Supply of Efficient AC Components, Durable Radiator Parts and Intelligent Cooling System Modules

We provide advanced thermal management systems for construction machinery—AC systems, radiators, pumps, cooling fans, coolant tanks, dryers—offering 40% higher heat transfer, 18,000 BTU/h cooling, 280 L/min flow, >8,000 h life, ISO-certified, tested 2,000 h continuous operation (-40℃ to 85℃, 95% humidity), compatible with major OEMs.

Choose Our High-Quality AC Parts, Water Pumps & Radiators!


We specialize in providing premium thermal management components for construction machinery, designed for efficiency, durability, and peak performance. Our AC parts, water pumps, radiators, cooling fan motors, coolant tanks, and dryers help your machinery stay cool, operate reliably, and perform at its best.

✅ Advanced & Efficient – Radiators with 45% higher heat dissipation, AC systems with COP 3.8 and 22,000 BTU/h, water pumps delivering 20m head and 320 L/min
✅ Strict Quality Control – ISO 16345 certified, -40℃~105℃ cycling tests, 2,000-hour endurance tests ensure reliability
✅ Environmental Adaptability – IP68/IP69K protection, UV-resistant materials, ASTM D543 corrosion test passed
✅ Global Support – Trusted by 20+ international OEMs, service networks across Asia & Africa, 24h multilingual assistance
✅ Cost-Effective & Durable – Cooling fans save up to 40% energy; pumps and radiators last 8,000+/12,000+ hours, reducing total ownership costs

Our thermal management components ensure efficient cooling, long-lasting performance, and lower maintenance costs – the smart choice for construction machinery reliability.

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Application of the product

Excavators & Loaders Radiators

Parallel-flow, anti-corrosion, anti-vibration design for efficient heat dissipation.

Construction Machinery Cooling Fans

Brushless DC, PWM speed control, high airflow, energy-saving, long-life, low-noise.

Large Excavators Water Pumps

Dual-path mechanical seal, anti-cavitation, high-flow, durable, compatible with CAT/Komatsu/Hitachi.

Construction Machinery Coolant Tanks

HDPE material, integrated level sensor, anti-corrosion, anti-vibration, chemical and UV resistant.

More About YLCM Excavator Cooling System & Radiator FAQs & Product

YLCM Construction Machinery Co., Ltd. focuses on providing high-quality cooling and air conditioning system components for construction and mining machinery. With reliable quality and competitive prices, it serves mining companies, maintenance workshops and construction contractors in Central Asia, Russia, Africa and Southeast Asia, upholding the principles of integrity and long-term cooperation to provide cost-effective solutions. Below is the product classification information.

1.Air Conditioning Parts：

04120-21739 198-911-9142 20Y-810-1213 235-809-4640 2A5-979-1122ST 426-07-32860 7835-47-6000CL
12Y-979-1115 201-979-8903 20Y-810-1213CQ 2A5-979-1113 423-07-31533 561-07-61103 ACF-KIT1-0KC
14X-911-7103 201-979-8903CQ 20Y-979-6111 2A5-979-1113CQ 423-07-31533CQ 561-07-61103AK ACF-KIT2-0KC
14X-911-7200 208-979-7612 20Y-979-6111ST 2A5-979-1122 423-S61-2111 566-07-81102 ND116410-2852
17A-911-7200 208-979-7612CQ 20Y-979-6821 2A5-979-1122CQ 423-S61-2111CL 567-07-73412 ND263500-0763
17A-911-7201 208-979-7612ST 20Y-979-8412 2A5-979-1122GS 425-07-21111 7835-47-6000 X990017850CQ


2.Water Pump：

2225152 6057479 377-7037 6151-62-1404 6215-65-1104 6933-61-1104 9-13612-802-0KF
3520200 1-13610-804-0KF 605-7481 6151-65-1105 6215-65-1304 8-94370-105-0KF ET945A038
3541672 258-80-53200 6150-61-1105 6162-63-7700 6218-61-1200 8-97321-508-3KF TC258H103551KF
3557389 360-4174 6151-61-1105 6212-61-1704 6253-61-1100 8-97379-805-0KF YM129907-42002


3.Cooling Fan Motor:

203-03-71140 2A5-03-35321DY 421-03-44030CL 6212-62-4200 6755-61-7200 CU5586963CS KT1J700-3715-0JT
207-03-71641 418-54-43300 423-03-D1102CL 6212-62-6100 708-7W-00110 CU5624912CS P125S8-HO-CRDO0KC
208-03-71121 418-54-43300CL 426-56-21910 6240-61-6300 CU4937308CS KT1A700-3701-0JT X490041240KZ
21T-03-31160 421-03-44030 6128-61-6100 6738-61-4123 CU4990291CS KT1G777-1743-0JT X490041240ST


4.Coolant Tank:

14X-60-21111 195-03-22111 208-04-D5113ST 20Y-06-15240 23E-43-13420 2A8-04-11131 3EB-36-22850KF
14X-911-1161 201-03-71810 208-60-75111 20Y-06-15240GS 2A5-01-00110 2A8-04-11131CL 415-04-11117
14X-Y11-2110 201-03-71810AK 208-60-75111CL 20Y-06-15240ST 2A6-03-11111 2A8-60-11113 417-03-10230
17A-03-41131 207-04-71210 209-03-41221 21N-60-41150 2A7-04-14112CL 2A8-60-11113CL 419-03-21320
17A-03-41142 207-04-78111CL 20Y-03-61111 21U-04-31112 2A8-04-11130 3EB-04-51360KF 419-03-21320CL
17A-03-51951 207-04-D8110CL 20Y-03-61111DY 232-43-13601 2A8-04-11130CL 3EB-36-11400KF 419-03-21320GS

5.Radiator Components：

11Y-03-34111 206-03-24110 208-03-75111CL 20Y-03-43650DY 22L-03-21112 3EC-04-31311KF 423-03-41440NC
17M-03-51112 206-03-24110DY 208-03-75111DY 20Y-03-43650ST 22P-03-11111 3EC-04-51211KF ND116410-9980
195-03-63115 206-03-24110ST 208-03-75111ST 20Y-03-43651 3EA-04-51211KF 423-03-41200 X211147476ST
203-03-17211KZ 207-03-75120 20Y-03-42452 20Y-03-43651DY 3EB-04-51610KF 423-03-41311 X211268173ST
203-03-17211ST 207-03-75121 20Y-03-42452DY 20Y-03-43651ST 3EB-04-52610KF 423-03-41440 X212234601CL
203-03-71774 208-03-75111 20Y-03-42452ST 21T-03-31711 3EB-04-62111KF 423-03-41440CL X810602401CL


6.Dryer Assembly：

12Y-979-1140 423-07-31571 20Y-979-C210 234-A44-1500 23B-44-31520 23S-W90-5310 DM79443273
22L-979-2232 22L-979-2232KZ 22L-979-2232ST 234-44-42100 3FE-38-31510KF

1. What thermal management components are essential for construction machinery?
Construction machinery requires coordinated cooling and AC systems to ensure engine, hydraulic, and cabin stability:

Radiators: Efficient heat dissipation for engine and hydraulic oil cooling.

Water Pumps: Maintain coolant circulation under high load and temperature.

Cooling Fan Motors: Intelligent airflow control to optimize energy use.

Coolant Tanks: Pressure-resistant, corrosion-proof reservoirs for reliable operation.

AC Components: Cabin comfort and high ambient temperature cooling.

Dryers: Maintain system moisture-free operation to protect AC performance.

2. How do I choose the right thermal management components for my machinery?
Selection depends on:

Operating conditions: Extreme heat, dust, humidity, or high altitude.

Cooling requirements: Engine power, hydraulic load, cabin cooling needs.

Compatibility: OEM specifications, part numbers, and system layout.

Maintenance goals: Long service life and minimal downtime.

3. What materials and technologies ensure YLCM components are durable?

Radiators: Aerospace-grade Al-Ti alloys, vacuum brazed for 45% larger heat exchange.

Pumps: Silicon carbide mechanical seals, CFD-optimized stainless steel impellers.

AC & Fans: Brushless DC motors, intelligent ECU control, IP68/IP69K protection.

Tanks & Dryers: High-density PE, UV-resistant, molecular sieve adsorption.

4. How do YLCM components improve energy efficiency?

Cooling fans save up to 40% energy with ECU stepless control.

Optimized pump flow reduces engine load while maintaining 320 L/min circulation.

AC systems with COP 3.8 provide stable cabin cooling with lower energy consumption.

5. Are YLCM thermal management solutions suitable for extreme environments?
Yes. All products withstand:

Temperature range: -40℃ to 105℃

Humidity: up to 95%

Continuous operation: 2,000+ hours

High-dust and high-pressure wash conditions (IP68/IP69K)

6. Can YLCM components be used with multiple machinery brands?
Yes. YLCM solutions are compatible with most major brands, including Komatsu, Caterpillar, Hitachi, Volvo, and more. Technical support is available for correct component selection.

7. What maintenance practices are recommended for YLCM thermal components?

Regular inspection for leaks, corrosion, or debris buildup.

Ensure fans and pumps operate smoothly; lubricate if applicable.

Replace AC dryer cartridges per manufacturer recommendations.

Monitor coolant levels and tank condition for pressure and UV damage.

8. How do YLCM integrated thermal systems enhance machinery performance?

CFD-optimized airflow reduces resistance by 30%.

Parallel flow channels increase heat dissipation by 45%.

Intelligent control units automatically optimize fan speed and pump flow, saving 35% energy.

System passes ISO 19453 vibration, thermal shock, and pressure pulse tests.

9. How quickly can I receive YLCM thermal management products?
YLCM offers fast worldwide delivery. Orders are processed promptly to minimize downtime, with support for both single-unit and bulk orders.

10. Why choose YLCM thermal management solutions over others?

Advanced design: Radiators, pumps, AC, and dryers engineered for extreme conditions.

Reliable quality: ISO certifications, endurance tests, long service life.

Environmental adaptability: IP68/IP69K protection, UV and corrosion resistance.

Global support: Partnered with 20+ international OEMs, 24h multilingual support.

High cost-effectiveness: Reduced energy consumption, lower total ownership costs.

YLCM thermal management solutions ensure stable, efficient, and durable operation of construction machinery under the harshest conditions, reducing maintenance costs and extending equipment life.