Product Attribute:
Material: Cast Iron
Cylinder Diameter:92mm
Ring high,Ring width :3.0+3.0+6.0mm
No. of Cylinders:4
Applicationt: 
Komatsu
Production Description:
Komatsu 4D92 piston ring 6141-31-2020 6140-31-2041
1.Packaging:
1) Factory Brand:DMD
2)Neutral Packing
3)Customer packing :According to customer demand for packaging
2.Delivery:
1)Develop new piston ring: 30 days
2)Normal piston ring :15 days
3. Quality certificates:
TS16949ISO9001:2000
4. Specifications
1)Different treatment : Phosphate, Nitride, Chrome plate.,Spray Molybdenum
2)Diameter range from 30mm to 250mm
3)Material: Ductile Cast Iron ,Alloy cast iron ,Steel
4)Our factory can develop new piston rings according to the sample or drawings ,and the model fee can be free.
5. Advantages:
1) We can offer our customers the most reasonable prices.
2) Deliver goods speedily and precisely.
3)Streamline the buying and paying processes.
4) We have Professional OEM Team.
5) Ensure the excellent quality of products.
6) We can produce any your design.
7) Provide best and professional service
6. Factory Introduction:
Our factory is a professional piston rings manufacturer which integrated with design, development and marketing services for more than ten years ,Our products are widely used to the product of automobiles, motorcycles, gasoline engines and other internal combustion engines , air compressors, piston compressors enterprise .we have the product line of alloy cast iron production line ,ductile cast iron production line ,steel band oil rings line and surface treatment line and advanced equipments ,such as the testing equipment of spectrum analyzer, profiler , projectors, metallographic analyzer and advanced surface treatment equipment of compound chrome plating, gas nitrating ,salt nitrating ,ceramics penetration ,nanometer technique ,plasma spraying.