4W-5405 CORE ASS'Y is a heavy-duty Caterpillar oil cooler core designed for efficient oil-to-water heat exchange and reliable engine temperature control. Suitable for CAT 3516, 3516B and 3516C engines, it supports stable lubrication performance during continuous high-load operation and is widely applicable to mining, power-generation, marine and heavy equipment environments.
Heavy-Duty Construction: Suitable for demanding industrial, mining, marine and power-generation environments.
Direct Replacement: Provides a practical replacement solution for worn, damaged or inefficient oil cooler cores.
Wide Application: Compatible with multiple CAT 3516 engine configurations and related equipment.
Compatible Machine
The 4W-5405 Oil Cooler Core is officially listed for:
CAT 3516 Engine
CAT 3516B Engine
CAT 3516C Engine
Caterpillar also lists the part for other applications, including CAT 994 Wheel Loader, 789 and 793 Trucks, SR4/SR5 Generators, G3516/G3516B and several marine and industrial engine configurations.
Applications
The 4W-5405 CORE ASS’Y is suitable for:
Mining
Quarry
Construction
Heavy Earthmoving
Large Infrastructure Projects
It is particularly suitable for high-output engines operating for long periods under heavy loads, where reliable oil temperature control is essential for engine performance and component protection.
Why Choose YLCM?
20+ Years Experience – Professional experience in construction and mining machinery spare parts.
Large Warehouse – Wide inventory covering engines, cooling systems, hydraulics, undercarriage, electrical components and more.
Fast Delivery – Efficient order processing and logistics coordination help reduce equipment downtime.
Genuine & OEM Parts – Genuine, OEM and qualified aftermarket solutions are available according to customer requirements.
Export to 60+ Countries – Supporting customers across mining, construction and machinery repair markets worldwide.
Professional Technical Support – Our team can help verify part numbers, machine models and compatibility before ordering.
Packaging
The 4W-5405 CORE ASS’Y is carefully protected for international transportation.
Standard export carton or reinforced export packaging
Shock-resistant protection
Moisture-proof protection
Secure internal fixing
Anti-rust protection for exposed metal surfaces
Additional protection for the cooler core and connection areas
Packaging can be adjusted according to product size, order quantity and transportation requirements.
Shipping
YLCM provides flexible international logistics solutions for construction machinery parts:
Sea Freight
Railway Transportation
Land Transportation
Multimodal Logistics
We coordinate export packaging and transportation according to the destination, cargo volume and customer’s delivery requirements.
FAQ
Q1: What is 4W-5405 used for? A: 4W-5405 is an oil cooler core designed as a shell-and-tube style oil-to-water cooler for Caterpillar engines.
Q2: Is 4W-5405 compatible with CAT 3516B? A: Yes. Caterpillar’s official parts catalog lists 3516B as a compatible engine model.
Q3: Is 4W-5405 compatible with CAT 3516C? A: Yes. The official Caterpillar compatibility list includes 3516C.
Q4: What other equipment uses 4W-5405? A: Caterpillar lists applications including 994 Wheel Loader, 789 and 793 Trucks, generator sets, marine engines and industrial engines.
Q5: What are the dimensions of 4W-5405? A: Caterpillar’s published specifications show approximately 1,188.7 mm in length, 297.2 mm in height and 297.2 mm in width.
Q6: Can YLCM supply other CAT 3516 cooling parts? A: Yes. YLCM can supply oil cooler cores, radiator cores, radiator assemblies and other cooling-system components for CAT 3516-series engines.
Q7: How can I confirm compatibility before ordering? A: Send us the part number, engine model and, when available, the machine or engine serial number. Our technical team can help verify compatibility.
Q8: What warranty does YLCM provide? A: This product is supplied with a 6-month warranty under YLCM’s standard product terms.