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The 426-03-37591 is a charge air cooler for the Komatsu WA600-6 and WA600-8 wheel loaders and the WD600-6 dozer. It is a cooling component that increases engine performance by cooling compressed air before it enters the engine.
Features
Cools compressed air to improve engine performance
Aluminum Radiator List
CAT | 464-9054, 223-5091, 390-0189, 464-9043, 390-0188, 223-5079, 358-0289, 464-9055, 464-9044, 251-6149, 569-6955, 390-0136, 350-1123, 464-9045, 223-5081, 390-6782, 390-0135, 357-1622, 464-9046, 380-8650, 390-0270, 390-0137, 464-9057, 380-8649, 390-0138, 390-0252, 370-9331 |
KOMATSU | 56E-07-21133, 561-03-81660, ABB-7857, 561-03-81280, 561-03-81632, 561-03-81652, 561-03-81642, 21N-03-37412, 21N-03-41110, 21N-03-43510, 21T-03-31160, 21T-03-31711, 95019940, 426-03-37591, 426-03-37571, 427-S05-1810, 195-03-63114, 195-03-65181, 195-03-43400 |
HITACHI | 1386-621-100, 1381-639-801, 1381-639-8020, 1381-639-8030, 4682425, 4444691, 4658096, 4427952, 9227508, 4729782, 4421620, 335611, 4439687, YA00008446 |
LIEBHERR | 10000392, 5617986, 5617987, 11823532, 10800651, 11821219, 11821218, 5611936, 5611937, 10333648, 10333649 |
Maintance and Service
4-Year Warranty – Every radiator is backed by a 4-year warranty, ensuring long-term reliability and peace of mind.
Fast Delivery – Standard models in stock can be shipped within 24 hours, reducing downtime for your operations.
Customized Solutions – We provide tailor-made cooling systems to meet the exact requirements of your engines and working environments.
How We Produce
At SINRUI, every radiator is manufactured in our modern workshop with strict process control. From precision copper tube forming and fin assembly to high-strength frame welding, each step follows international standards to ensure durability and performance.
Our factory is ISO 9001 certified, and every unit undergoes rigorous leak testing, pressure testing, and thermal performance verification before delivery. This guarantees that customers receive radiators with consistent quality, long service life, and reliable cooling efficiency.
Pictures of Sinrui's production workshop
Radiator product quality inspection, packaging and delivery
