Piston Kit 129904-22120 129903-22120 YM129904-22940 For Engine Komatsu 4D92E Yanmar 4TNE92 for 92mm

Piston Kit 129904-22120 129903-22120 YM129904-22940 For Engine Komatsu 4D92E Yanmar 4TNE92 for 92mm

Products Description

What is the function of the Engine part-piston kit

A piston, crucial in mechanical systems like engines and pumps, is a cylindrical item moving in a cylinder. In engines, it's driven by expanding gases from fuel combustion, converting energy to mechanical motion. Made of metal alloys for strength, it has piston rings to seal well and avoid gas or fluid leakage.

Engine model List

Excavator Engine and Engine Parts

Cylinder, Head Cylinder, Gasket Kit, Liner Kit, Liner, Piston, Ring Piston, Pin Piston, Snap Ring, Sensor,

Turbocharger, Water Pump, Alternator, Starter, Injector, Common Rail, Nozzle, Fuel Pump, etc.

Company Profile

Koko Shop Machine Co., Ltd (EB Seals) is a professional supplier of hydraulic breaker parts and excavator parts and an OEM hydraulic seal manufacturer. We have specialized in completed seal kits and separate seals for hydraulic breakers and excavators for more than Ten years in Guangzhou, China.

Koko Shop supplies almost all brands of breakers' parts like Seal kits, Diaphragms, Piston, Chisel, Wear Bush upper and lower, Rod Pin, Through Bolts, Side Bolts, Control Valves, Front Head, Cylinder, Accumulator, N2 Gas Charging Kit, etc. We insist on high-quality parts with genuine and OEM after-market replacement parts.

Koko Shop Machine Co.,Ltd (Huilian Machinery) found in 2011, is a professional supplier who is specializd in construction machinery parts for excavator and attachments, including Hydraulic Hammer, Hydraulic Breaker Spare Parts, Quick Coupler, Hydraulic Grab, Ripper, Vibrator, etc. And, Excavator parts Engine, Hydraulic Pump, Swing motor, Travel motor, Main control Valve, Swivel Joint, Hydraulic seal kit. After 12 years developments, Huilian Machinery factory make quality parts with it's advance technology and advance machines. Hydraulic Breaker Parts suitable for: Atlas copco, Soosan, Furukawa, Atlas Copco, Alpha, Bretec, BTI, CATEEEEEE, CP, Daemo, DMB, Alicon, D&A, Doosan, EDT, Epiroc, Everdigm, Fine, Furukawa, General GB, Hammeroc HR, Hyundai HDB, Indeco HP MES, JCB, Kent, KCB, Komac, Komatsu JTHB, JKHB, Korota, Krupp, Kwanglim, Konan, Montabert, MSB, MTB, Noah, NPK, Okada, OKB, Omal, Poqutec, Powerking, Promove, Rammer, RB Hammer, RBI, Rhino, , Soosan, Stanley, Teisaku, T&H, Toku, Toyo, UBTECH, ECand so on. Hydraulic Excavator Parts suitable for: Komatsu, Hitachi, EC, Hyundai, Kobelco, Sumitomo, Kato, Doosan, JCB, cx, Sany, Liugong, XCMG, Xugong, Zoomlion, etc. OEM and ODM service offered.

In order to meet different customers' needs, Huilian Machinery also purchases Genuine Parts from German, Japan, Korea. And we established a long-term business relationship with customers from all over the world, like: U S A, Mexico, Saudi Arabia Kenya, Algeria, UAE, Russia, Morocco, etc. In 2023, Huilian Machinery became Distributors of easywork engineering machinery (SANY Group) in Russia and indonesia.

Koko Shop Machine is continuously seeking the chances to meet all the friends both from home and abroad for win-win cooperation.

And we believe that quality parts will take us to a further place. Let’s build a better tomorrow, together!

Introduction to Koko Shop Company

CertifiCATEEEEions

Enteprise Honor

Service Brand

Our Factory

Koko Shop Machine Management Department is an important control method for processing quality. It equipped with the most advanced inspection equipments The professional control devices,it can provide accurate reference data to choose the most suitable material and accessories, which also effectively control parts quality. Besides, it also provides digital information for engineers and quality controller to determine feasibility for spare parts after processing. This is the working processing of quality control.

Chooing steady quality supplier. After purchasing raw material, duing testing if it is proved well, then we will arrange these eligible matrial that come into warehouse.

When the spare parts finish and come into testing working conditon. Every worker will be responsible for their spare parts. They will give out fact testing date and results. After proving testing date is accord with delivery standard. Then Koko Shop Machine Quality Management Department will allow these spare parts that go to packing department and packing.

Before delivery, Koko Shop Machine Quality Management Department should check all mark and packing conditon. If it is prove it is accord with exporting standard and customer's requirement. Then they will allow these equipment come into fininshed product area.

Of course Koko Shop Machine Quality Management Department have the right to make sample testing for every production step to make sure product quality.