3CX, 4CX
Telescopic Handlers, Wheeled Loaders, JS Wheeled Excavators, Forklifts
The breather is a safety valve for the drive axle. Its job is to equalize the pressure inside the axle, which increases as the oil heats up. If you notice persistent oil leaks from the axle shaft, hub, or pinion seals, or if the axle oil is foamy or has a milky color (from water), these are classic symptoms of a clogged or damaged breather. A blocked breather causes pressure to build up, which "pushes" oil out through the weakest points - the seals. It is the main cause of recurring axle leaks.
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Effective Contaminant Protection
Clean oil, long axle life
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Efficient Pressure Equalization
Protects seals from leaks
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High Durability
Long and trouble-free operation
The accuracy and quality of materials guarantee long and trouble-free use without the need for frequent replacement.
The breather is fully adapted to work with original mountings and hoses, ensuring a consistent repair.
The GX-AFTER brand is a proven and safe alternative that offers quality comparable to original parts at a much better price.
The breather is an inexpensive part that should be replaced preventively with every axle oil change or seal repair.
Before installing a new breather, make sure the rubber hose leading to it is not clogged with mud or kinked. A blocked hose will render even a new breather ineffective.
Ensure the breather is mounted at the highest possible point, away from areas prone to being submerged in water during operation in difficult terrain.
Never plug the breather hole with a regular bolt. This will lead to an immediate pressure build-up in the axle and damage to all seals.
Answer: Yes, this is the most likely cause. A clogged breather is the main reason for recurring axle seal leaks. It's the first thing you should check.
Question: Where is this breather located?Answer: It is usually located on top of the drive axle housing, connected to it by a rubber hose, with its end routed high up on the machine's frame.
Question: Can I just clean my old breather?Answer: You can try to clean it, but due to its low cost and crucial role, the most reliable and recommended solution is to replace it with a new one. This ensures that the internal filter membrane is 100% functional.
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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Application: 3CX, 4CX, Telehandlers, Front loaders, JS wheeled excavators, Forklifts

















