3C, 4C, 3D, 3CX, 4CX
Wheeled Loaders, Mini Excavators
The hydraulic filter is the "lung" of your machine's hydraulic system. Its job is to continuously clean the oil from metal particles, dust, and other contaminants that destroy precision components. If your machine is experiencing slow hydraulic operation, overheating oil, a noisy hydraulic pump, or sticking valves, these are classic symptoms of a clogged filter. Neglecting its replacement leads to damage to the pump, control valves, and cylinders, resulting in a very costly overhaul.
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Maximum Filtration Efficiency
Protection for pump and valves
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High Flow Rate
Maintains full hydraulic performance
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Perfect Fit
Guaranteed hassle-free installation
Regular filter replacement is the cheapest way to avoid a hydraulic system overhaul that can cost thousands.
A clean filter ensures proper oil pressure and flow, eliminating "sluggish" and slow attachment operation.
The REDX brand is a proven and safe alternative that offers filtration quality comparable to original parts at a much better price.
The hydraulic oil filter must be replaced every time the oil is changed, according to the service intervals. We recommend using high-quality oils such as HYPTRON.
During replacement, pay attention to the old oil and cut open the old filter. A large amount of metal filings may indicate a more serious hydraulic pump failure.
The hydraulic system is extremely sensitive to contaminants. Before unscrewing the filter housing, thoroughly clean the surrounding area to prevent dirt from entering the system.
Answer: According to the JCB service manual, typically every 1000 operating hours. If working with a hydraulic hammer or in very harsh conditions, this interval should be halved.
Question: My hydraulics are weak. Is it definitely the filter's fault?Answer: It is the most common and cheapest cause to fix. If replacing the filter and oil doesn't help, the problem may lie with the hydraulic pump, valves, or leaks in the system.
Question: Will this filter fit newer machines after 2005?Answer: No, this filter is exclusively for older JCB machines. Newer models, especially those with DieselMax engines, require different, dedicated hydraulic filters.
If you are unsure whether the selected product is suitable for your machine, contact us and we will help you choose the right part and provide practical advice in minutes.
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Fits older JCB 3CX 4CX models, front loaders and mini excavators.

















