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612-432
The 612-432 radiator is a direct replacement component designed specifically for the D9R Dozer. It is engineered to provide efficient engine cooling, ensuring optimal operating temperature and reliable performance for this heavy-duty machine.
Features
Crafted from high-quality aluminum alloy for superior heat dissipation and corrosion resistance
Features an optimized internal structure and increased surface area for maximum cooling efficiency
Aluminum Radiator List
CAT | 612-432, 370-9333, 533-8330, 338-2219, 2W0181, 2W5539, 2W5540, 2W6632, 7W2173, 9Y3318, 7C3385, 2W6587, 2W6593, 7W5455, 360-9273, 312-8338, 326-3870, 312-8339, 204-0884, 245-9207, 245-9208, 245-9209, 326-3898, 245-9359, 353-5544, 265-3570, 475- 6622 |
KOMATSU | 21T-03-31711, 95019940, 95809040, 427-03-22820, 6251-61-5110, 569-03-89191, 6212-62-4100, 423-03-32212, 423-03-32211, 426-03-37591, 426-03-37571, 427-S05-1810, 195-03-63114, 195-03-65181 |
HITACHI | 1386-621-100, 1381-639-801, 1381-639-8020, 1381-639-8030, 4421620, 335611, 4439687, 4658096, 4427952, 4729782, YA00008446 |
LIEBHERR | 10000392, 5617986, 5617987, 11823532, 11821219, 1182U18, 5611936, 5611937, 10333648, 10333649 |
Maintance and Service
4-Year Coverage – Each radiator comes with a warranty that extends over four years, ensuring reliability and confidence.
Swift Shipping – Standard models in inventory are delivered within a day to keep your systems running smoothly.
Custom-Tailored Cooling – We build solutions that align with your engine’s demands and the unique characteristics of your working environment.
How We Produce
Every SINRUI radiator is produced in our state-of-the-art manufacturing facility under stringent process controls. All stages, from precision tube bending and fin assembly to robust frame welding, adhere to global standards, ensuring durability and high performance.
Our ISO 9001 certified facility subjects each unit to rigorous leak, pressure, and thermal testing prior to shipment. This guarantees customers consistent product quality, extended service life, and dependable thermal performance.

Pictures of Sinrui's production workshop
Radiator product quality inspection, packaging and deliver