130-09-12960 1300912960 SEAL,DUST OF D57S-1 D57S-1B

Q: Which heavy-duty construction machine can part number 130-09-12960 fit?
A: The part number 130-09-12960 is a dust seal designed for bulldozer hydraulic cylinder rod assembly.

Q: What product category does part 130-09-12960 fall into?
A: Part 130-09-12960 belongs to dust seal category, which acts as the outermost scraper for hydraulic piston rod.

Q: What materials are used to produce this dust seal?
A: It is constructed from NBR rubber combined with metal shell, keeping structural rigidity under heavy vibration.

Q: What is the core function of this dust seal?
A: Its sharp scraping lip clears dirt, fine gravel and mud off the piston rod before it retracts into cylinder.

Q: Where is this dust seal installed on the bulldozer hydraulic cylinder?
A: It is pressed into the outermost groove of cylinder gland, facing the exposed side of piston rod.

Q: What unique performance features does this dust seal have?
A: It maintains flexible lip elasticity and offers good anti-aging performance under outdoor changing climate.

Q: Does this dust seal undertake the task of preventing hydraulic oil leakage?
A: No, it only blocks external contaminants. The inner rod seal is responsible for hydraulic oil sealing.

Q: What negative impacts will happen if this dust seal wears or cracks?
A: Hard particles will enter the cylinder assembly, scratch piston rod surface and speed up inner seal aging.