Products & Range Coverage
A&S MACHINERY CO., LTD. delivers an extensive inventory of engine oil coolers, hydraulic oil radiators, and transmission oil coolers to support diverse mining truck, crawler bulldozer, wheel loader, and high-horsepower excavator requirements:
• Machine & Powertrain System Compatibility: Engineered for a broad range of Caterpillar heavy equipment—including heavy-duty engines (e.g., CAT C15, C18, 3406, 3512), off-highway haulers (777, 785), and dozers (D8, D9, D10)—our parts ensure exact dimensional and functional alignment with original factory cooler assemblies, heat-exchange cores, flange interfaces, and sealing gaskets to guarantee a perfect match.
• Complete Oil Coolers & Thermal Components: 1. Engine Oil Coolers & Cores: Plate-fin and shell-and-tube high-efficiency heat exchangers and multi-layered stacked radiator cores; 2. Hydraulic & Transmission Coolers: Independent or integrated oil coolers engineered for high-pressure systems and powershift transmissions to maintain optimal fluid temperatures during heavy workloads; 3. Thermal Management Seals & Lines: Cooler overhaul sealing kits, high-temp O-rings, water pipes, and rigid oil line assemblies.
• OEM & Heavy-Duty Aftermarket: We offer certified original equipment manufacturer Caterpillar oil coolers alongside rigorously tested heavy-duty aftermarket options manufactured with high-thermal-conductivity copper alloys or reinforced aluminum plate-fin structures and verified through high-pressure leak testing, delivering exceptional heat-exchange efficiency and extended fatigue life at a cost-effective price point for global clients.
Supply Chain & Logistics
We maintain a robust operational infrastructure designed to support global machinery thermal management component procurement through direct supply channels, delivering reliable stock availability and rapid dispatch to build trust with international buyers.
• Ready-to-Ship Inventory and Part Verification: We maintain large-volume stock of high-demand CAT mining truck, excavator, and bulldozer oil coolers. Backed by professional technical teams and heavy machinery parts databases, we guarantee precise matching and direct dispatch upon order confirmation to minimize equipment downtime caused by cooling system failures leading to engine overheating and scoring.
• Heavy-Duty Anti-Shock Crating and Packaging: We implement specialized industrial packaging standards for precision plate-fin cooler cores and large-volume cooler assemblies, utilizing internal high-density expanded polyethylene foam suspension fixing, moisture-proof vacuum sealing, custom fumigated solid wood crates or thickened honeycomb master cartons, and steel-banded locking reinforcement to ensure parts withstand transcontinental ocean or air transit without mechanical impact distortion or salt-fog corrosion.
• Consolidated Sourcing: We support overseas clients by consolidating heavy oil coolers into precise bundled shipments alongside major overhaul components, such as engine overhaul kits, water pumps, or turbochargers, maximizing container space utilization and significantly reducing international freight costs.
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 Durability Solutions: We address common field issues in extreme working environments, such as high-dust, high-ambient-temperature quarries and mines, where oil cooler internals suffer from oil carbonization blockages leading to sudden drops in cooling efficiency, and high-pressure pulses cause cooler tube bundles to crack and leak coolant into the oil. We also provide professional engineering upgrades, including anti-coking reinforced heat-exchange cores and high-strength impulse-resistant oil cooler assemblies.
• Cooler Troubleshooting and Maintenance Guidelines: We address common user concerns regarding excessive oil temperatures and oil-coolant mixing by providing professional diagnostic and replacement guidance. This includes instructions on how technicians can determine whether oil-coolant mixing stems from internal core cracking or cylinder liner water seal failures to avoid unnecessary replacements, alongside emphasis on professional lubrication system flushing prior to installing new coolers to remove residual emulsified sludge and metal debris and prevent secondary blockages.
• Expert Technical Support and Safety Guidelines: We provide technical documentation covering Caterpillar engine oil cooler mounting pad flatness inspection standards, correct seal positioning, and bolt torque specifications, preventing secondary leaks caused by improper installation.
Call to Action & User Experience
Optimize your engine thermal management and operating temperature control today by utilizing our interactive tools placed across strategic positions on our platform.
• Multi-Dimensional Intelligent Search and Specification Filtering: Benefit from advanced search functions that support fast product filtering by Caterpillar machine or engine model (such as CAT C15 or 3512 units), cooler application type (such as engine oil coolers, hydraulic oil coolers, and transmission oil coolers), or original equipment manufacturer part numbers to lock onto target products instantly.
• RFQ and Freight Quotation: Access our fast-response interactive channels providing one-click access to oil cooler assembly and heavy wooden crate freight bundled quotations, fulfilling centralized procurement requirements for overseas mining sites, fleets, and repair shops.
• Consultation and Support: Utilize our around-the-clock professional technical support channels staffed by senior engine and thermal management system experts to assist overseas clients in verifying cooler interface styles and line layouts across different model years and serial numbers, ensuring cross-border procurement runs error-free.

OEM GENUINEIN STOCK
Core As-Oil Cooler 358-2030 3582030 CA3582030 For Caterpillar Engine C-15 C13 C15 Caterpillar Wheel Loader 980H 980M 982M 980K
A&SModel: CA3582030, 358-2030, 3582030|Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Core As-Oil Cooler 4P-0251 CA4P025 4P0251 1106-6441 1066441 CA1066441 For Caterpillar Engine 3116 Caterpillar Wheel Loader 950F 950F I 960F
A&SModel: |Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Core As-Oil Cooler 803077776 For XCMG Excavator XE265C 235C
A&SModel: 803077776|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1084131 108-4131 1084131 For Caterpillar Engine 3306 Caterpillar Wheel Loader 966F 966F II 970F
A&SModel: |Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1355671 135-5671 1355671 CA1406538 140-6538 1406538 For Caterpillar Engine 3116 Caterpillar Excavator 325B 325B LN
A&SModel: CA1355671, 135-5671, 1355671, CA1406538, 140-6538, 1406538|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1355770 135-5770 1355770 CA1516532 151-6532 1516532 For Caterpillar Engine 3046 Caterpillar Excavator 315B 315B L 317B L
A&SModel: CA1355770, 135-5770, 1355770, CA1516532, 151-6532, 1516532|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1466137 146-6137 1466137 For Caterpillar Engine 3406B 3406 Caterpillar Excavator 375 375 L 5080
A&SModel: CA1466137, 146-6137, 1466137|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1506293 150-6293 1506293 CA1506294 150-6294 For Caterpillar Engine 3116 3056 Caterpillar Wheel Loader 924G 924GZ 928G
A&SModel: CA1506293, 150-6293, 1506293, CA1506294, 150-6294, 1506294, 5929493, 592-9493, CA5929493|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1516458 151-6458 1516458 CA1470449 147-0449 1470449 For Caterpillar Engine 3306 Caterpillar Excavator 330B L 330B LN
A&SModel: CA1516458, 151-6458, 1516458, CA1470449, 147-0449, 1470449|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1623684 162-3684 1623684 For Caterpillar Engine 3066 Caterpillar Excavator 321B LCR
A&SModel: CA1623684, 162-3684, 1623684|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1626275 162-6275 1626275 For Caterpillar CAT Engine 3196 Caterpillar Excavator 365B L
A&SModel: CA1626275, 162-6275, 1626275|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1629830 162-9830 1629830 CA1424917 142-4917 1424917 For Caterpillar Engine 3176C Caterpillar 345B 345B L 345B LC
A&SModel: CA1629830, 162-9830, 1629830, CA1424917, 142-4917, 1424917, CA1477061, 147-7061, 1477061|Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1643558 164-3558 1643558 For Caterpillar Engine 3504 Caterpillar Excavator 312B
A&SModel: |Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1789283 178-9283 1789283 For Caterpillar Engine 3046 Caterpillar Track-Type Tractor D3G
A&SModel: |Brand: A&S
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OEM GENUINEIN STOCK
Core As-Oil Cooler CA1905789 190-5789 1905789 For Mitsubishi Engine 4M40 Caterpillar Excavator 307C
A&SModel: CA1905789, 190-5789, 1905789|Brand: A&S
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