2025-08-14 Europe Heavy-Duty CAT 994F Hydraulic Oil Radiator 355-1657 3551657 Replacement Guide

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Growshine International proudly stocks thousands of CAT hydraulic oil radiators, engine oil coolers, transmission coolers and aftercoolers ready for next-day dispatch to Europe, North America, Australia and Africa. Below you will find the complete list of part numbers we currently supply for the CAT 994F, 994H, 992K, 966H and many more machines. Every part is double-checked for fitment and shipped with a 12-month warranty.

Quick Index Table – Genuine & OEM CAT Cooling Parts

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5. CAT 320D C6.4 radiator 481-3475 in stock USA
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8. Automotive CAT 330C cooling system kit 230-2818
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10 Random Parts Glossaries (中英俄)

• Hydraulic Oil Radiator – 液压油散热器 – Гидравлический маслоохладитель
  Installed on the side of the engine bay. Example: CAT 336D hydraulic oil radiator 245-9360.
• Aftercooler – 中冷器 – Интеркулер
  Bolted between the turbocharger and intake manifold. Example: CAT C15 aftercooler 277-6221.
• Transmission Oil Cooler – 变速箱油冷却器 – Трансмиссионный маслоохладитель
  Mounted in front of the radiator. Example: CAT 950H transmission oil cooler 342-9836.
• Engine Oil Cooler – 发动机油冷器 – Маслоохладитель двигателя
  Located under the oil filter housing. Example: CAT 992K engine oil cooler 190-7625.
• Fan Motor – 风扇马达 – Двигатель вентилятора
  Behind the radiator core. Example: CAT 345D fan motor 227-3620.
• Water Pump – 水泵 – Водяной насос
  Front center of engine block. Example: CAT C7 water pump 235-1974.
• Thermostat – 节温器 – Термостат
  Housing at engine outlet. Example: CAT 330D thermostat 235-0122.
• Radiator Cap – 水箱盖 – Крышка радиатора
  Top of the radiator filler neck. Example: CAT 320C radiator cap 8C-3600.
• Expansion Tank – 膨胀水箱 – Расширительный бачок
  Beside the radiator. Example: CAT 320D2 expansion tank 245-9205.
• Hose Assembly – 软管总成 – Шланговый узел
  Connecting radiator to engine. Example: CAT 374D hose assembly 245-9351.

3 Frequently Asked Questions

1. How do I know if my CAT 994F hydraulic oil radiator 355-1657 is failing?
   Look for hydraulic oil temperatures above 90 °C, visible leaks or bent fins. Replace immediately to avoid pump damage.
2. Can I use aftermarket 592-8472 oil cooler for CAT 994H?
   Yes, Growshine International provides OEM-spec aftermarket units tested to 1.5 times working pressure.
3. What is the average delivery time to Europe?
   3-5 days via DHL Express; customs cleared and VAT paid option available.

Real Case – CAT 336D Overheating Solved

A customer in Spain reported constant overheating on a CAT 336D C9 engine. After remote diagnostics, we found the hydraulic oil radiator 245-9360 was 70 % blocked. We shipped a new OEM radiator the same day and provided a step-by-step replacement video. Machine was back to work within 48 hours, saving 2 days of downtime worth €3,200.

Our Core Business & Custom Service

Growshine International is a professional supplier of construction machinery parts, heavy truck parts, agricultural machinery parts and automotive parts. We support custom manufacturing of radiators, coolers and aftercoolers according to your drawings or samples. MOQ is only 1 piece for prototypes and 10 pieces for bulk orders. Surface treatments, mounting brackets and logo engraving are all customizable.

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