• 6240-21-42506240-21-4250
  • 6240-21-42506240-21-4250
  • 6240-21-42506240-21-4250
  • 6240-21-42506240-21-4250


Guangzhou Jianleshun Machinery Co., Ltd. is an enterprise specializing in the production and sales of excavator parts. Professional replacement parts Co., Ltd. is specially designed for Komatsu, Shantui, Caterpillar, Cummins, Hitachi, Hyundai, Xugong, Liugong, and Xiamen. And so on, the main products are 6240-21-4250 Engine 6D170 crankshaft front and rear oil seals, our products have been recognized by foreign customers, the products have been exported to the United States, Germany, Britain, France, Turkey, Russia, Australia, Singapore , Syria, Vietnam and other countries and regions, and has won unanimous praise from customers with excellent quality and competitive prices

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Product Description

6240-21-4250 Engine6D170crankshaft front and rear oil seals


Product Introduction

6240-21-4250 Engine6D170crankshaft front and rear oil seals,The operating temperature of engine oil seals varies widely, depending on engine design and location within the engine. Typically, the rear crankshaft seals are exposed to higher temperatures than the front seals. Oil pan temperatures vary widely, depending on oil cooling regulations. This allows the use of hydrogenated nitrile butyro (HNBR), silicone, or acrylic elastomers to make certain seals in relatively low temperature environments (120–140°C or 250–284°F)


Product Parameter(specification)


Excavator Seal Kits

Part Number

 6240-21-4250 3016792

Model No.



Same AS Photo


100% tested



Brand Namel


Product Feature and Application

6240-21-4250 Engine6D170crankshaft front and rear oil seals,Crankshaft seals are a simple component, but they serve a very important purpose. They keep the oil, which is tossed by the rotating crankshaft, from leaking outside of the crankcase


Product Details

1.Low friction, high efficiency.

2.Superior sealing effect in high pressure.

3.Can be installed onto a solid piston without tools

4.Low density; High strength;

5.6240-21-4250 Engine6D170crankshaft front and rear oil seals


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