SKU: YNF12208

Part number: 215-9990 525-3511 2159990 5253511

Product name: Stick Ram Seals Hydraulic Cylinder Seal Kit

Excavator Brand: erpillar

Stick Ram Seals Hydraulic Cylinder Seal Kit 215-9990 525-3511 2159990 5253511 Fits for erpillar

What is an oil seal?

The meaning of oil seal is: oil seal is a mechanical component used to seal oil (oil is the most common liquid substance in the transmission system, and also generally refers to the general liquid substance), which isolates the parts that need to be lubried in the transmission parts from the output parts, Do not allow the oil to leak.

Its functions are as follows:

1. Prevent oil from leaking through the rubber oil seal cover and oil seal washer;

2. Restore the elasticity of the rubber oil seal and protect the elasticity of the oil seal and O-ring.

3. Prevent oil from being sucked into the combustion chamber, and prevent and reduce smoke exhaust.

4. Reduce engine noise and improve engine compression ratio.

5. Extend the service life of the engine and prevent expensive maintenance costs.

6. Effectively suppress the oil leakage of the steering gear.

FAQ:

- What is your core activity (do you deal with engine replacement parts, fuel system, undercarriage, etc)?

We mainly do the couplings, seal kits, hydraulic parts, solenoids, electric parts, gear parts, bearings, and other excavator spare parts.

- Which kind of machinery do you work with (bulldozers, front loaders, graders, excavators, etc)?

We mainly do the spare parts for excavators. But sometimes to meet customers' requirements, we will do the sourcing for the customers for their needs for loader parts, air compressor parts, and so on.

- Which brands of machinery do you work with?

We supply parts for brands like Hitachi, erpillar, Komatsu, Sumitomo, Hyundai, Kobelco, Liebherr, JCB, etc.

We mainly do small to medium size excavators.

- Do you have the stock?

Most of our products are in stock.