Cummins 4089644 6CT OEM PISTON STD
The piston rings are fit for CUMMINS 6CT engine. It is a good choice to repair your car engine. 4089644 is its OE number. 114mm is its diameter. And there are three rings on this set. The height of each one in order is 3.5*3*4mm. The difference between the 3802429/3802258 and those rings are the thickness. The thickness of those rings are 4.65mm, 4.85mm and 4.35mm. Those rings not only have the OE quality, but also the OE design. The surface treatment of the first outer circle is chrome-plated and honed, the rest of the natural.
Product Specification
Type | Piston Ring |
OEM No. | 4089644 |
Place Of Origin | Guangdong,China(Mainland) |
SIZE | STD |
Height Of Each Ring | 3.5*3*4mm |
Diameter | 114mm |
Thickness Of Each Ring | 4.65*4.85*4.35mm |
BRAND | WELLFAR |
PACKING | WELLFAR/NEUTRAIL/CUSTOMIZED |
Certification | ISO9001 2018 |
4、 The fuel injector is not working properly. During the operation of the fuel injection nozzle, there will be oil dripping, secondary injection, poor fuel atomization, etc. the occurrence of these conditions will cause the fuel to drop onto the piston crown, forming a local high-temperature area of the piston crown, raising the local temperature of the piston crown, increasing the thermal stress, and causing the burning of the piston crown.
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