Products & Range Coverage
A&S MACHINERY CO., LTD. delivers an extensive inventory of air conditioner related parts and core internal climate control components to support diverse excavation, earthmoving, material handling, and roadbuilding requirements:
• Machine & Cab Compatibility: Engineered for a broad range of Caterpillar equipment—including medium/large excavators (e.g., CAT 320, 336, 374), wheel loaders (e.g., CAT 950, 966), and track-type tractors (e.g., CAT D6, D8)—our parts ensure exact physical and functional alignment with original factory HVAC assemblies, control panels, ductwork, and brackets.
• Complete A/C Parts & Components: 1. Heat Exchange & Compression: Heavy-duty A/C compressors, condensers, evaporator units, and expansion valves; 2. Fluid Lines & Sealing: High-pressure resistant A/C hoses/lines, custom O-rings, and quick-disconnect fittings to prevent refrigerant leaks; 3. Air Distribution & Electrical Control: Blower motors, blower resistor speed controls, A/C control panels, temperature sensors, cabin air filters, and air purification screens; 4. Protection & Structural Parts: Condenser protection guards, reinforced mounting brackets, and dust-resistant covers designed to prevent flying stones or branches from piercing cooling fins.
• OEM & Heavy-Duty Aftermarket: We offer genuine Caterpillar A/C components alongside rigorously tested aftermarket alternatives featuring thickened corrosion-resistant condensers and anti-vibration brackets for severe mining environments, delivering high cooling performance and cost-effective flexibility.
Supply Chain & Logistics
We maintain a robust operational infrastructure designed to support global machinery climate control component procurement through direct supply channels, delivering reliable stock availability and rapid dispatch to build trust with international buyers.
• Seasonal and Ready-to-Ship Inventory: We maintain large-volume stock of high-demand air conditioning compressors, blower motors, and high-frequency replacement filters specifically tailored for peak summer high-temperature periods. We also guarantee direct dispatch upon order confirmation, minimizing unplanned equipment downtime caused by climate control system failures.
• Precision Packaging and Protection: We implement rigorous industrial packaging standards specifically designed for aluminum condenser fins, precision electronic control panels, and compressors utilizing moisture-proof and shock-resistant industrial bubble wrap, custom corrugated cartons, and wooden pallets to ensure parts withstand long-distance ocean or air transport without impact damage.
• Refrigerant and Chemical Compliance Support: We supply regulatory documentation complying with international environmental safety and customs compliance requirements for relevant climate control components, ensuring secure and smooth cross-border transit.
Engineering Solutions & Technical Support
Our technical framework focuses on resolving field-level operational challenges to eliminate equipment downtime, moving beyond simple parts distribution to deliver comprehensive engineering and service capabilities.
• Application-Specific Performance Solutions: We address common field issues in heavy-dust and high-corrosion mining environments, where condensers experience frequent clogging, poor thermal dissipation, or pipe fracturing from intense machine vibration. We also provide professional engineering upgrades, including heavy-duty dust-resistant condenser guard screens, vibration-resistant high-temperature air conditioning hoses, and long-life multi-stage cabin air filters.
• A/C System Troubleshooting and Diagnostics: We address common user complaints regarding air conditioning failures, such as compressor clutch non-engagement, refrigerant leak localization, and blower motor noise or failure, and we provide professional diagnostic guidelines, including fluorescent leak detection or nitrogen pressure testing procedures, to locate line leaks, alongside system flushing recommendations for burnt compressor replacements that mandate comprehensive cleaning or receiver-dryer replacement to avoid secondary component contamination.
• Expert Technical Support and Safety Guidelines: We provide professional technical documentation covering polyalkylene glycol compressor lubricating oil quantitative addition standards, system evacuation procedures, and refrigerant R134a charge weight specifications to ensure healthy and comfortable operator environments.
Call to Action & User Experience
Optimize your cabin climate control reliability and operator comfort today by utilizing our interactive tools placed across strategic positions on our platform.
• Multi-Dimensional Intelligent Search and Matching: Benefit from advanced search functions that support fast product filtering by Caterpillar machine model, cab series, or air conditioning part category, including compressors, filters, hoses, and condensers, to lock onto target components instantly.
• RFQ and Fleet Ordering: Access our fast-response interactive channels providing one-click access to air conditioning system overhaul parts package quotations and global freight cost estimations, fulfilling centralized procurement requirements for mining groups and equipment fleets.
• Consultation and Support: Utilize our around-the-clock professional technical support channels staffed by senior heavy machinery electrical and air conditioning system experts to assist overseas clients in verifying refrigerant port dimensions, voltage standards, such as 12-volt or 24-volt systems, and model compatibility.

OEM GENUINEIN STOCK
FAN MOTOR - TW502725-1730
KomatsuModel: TW502725-1730|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
NET A/C FILTER - TW7032-0110
KomatsuModel: TW7032-0110|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
ACCUMULATOR - PC1830
KomatsuModel: PC1830|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
CLIP - 232-807-6161
KomatsuModel: 232-807-6161|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
CONDENSER - 421-S62-4120
KomatsuModel: 421-S62-4120|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
MOTOR ASSEMBLY - 423-07-31504
KomatsuModel: 423-07-31504|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
BOLT - 22M-979-2390
KomatsuModel: 22M-979-2390|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
HOLDER - 208-979-7530
KomatsuModel: 208-979-7530|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
BLOWER ASSEMBLY - 208-979-7710
KomatsuModel: 208-979-7710|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
DUCT - 22P-979-1741
KomatsuModel: 22P-979-1741|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
BLOWER CONTROLLER - ANTKS-B210A0
KomatsuModel: ANTKS-B210A0|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
ACTUATOR - ANTKS-M215A0
KomatsuModel: ANTKS-M215A0|Brand: Komatsu
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OEM GENUINEIN STOCK
CONTROLLER - ANTKS-B215A1
KomatsuModel: ANTKS-B215A1|Brand: Komatsu
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OEM GENUINEIN STOCK
PACKING - AN51191-58830
KomatsuModel: AN51191-58830|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
VALVE - VN6280
KomatsuModel: VN6280|Brand: Komatsu
In Stock - Ships within 24 hours
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