Guangzhou Shangshun Engineering Machinery Parts co. LTD

Guangzhou Shangshun Engineering Machinery Parts Co., LTD. Our mission: Make a living at it, be good at it; High-profile work, low-key life; Customer first, mission will reach! Our concept: OKJ make

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Cummins Qsb6.7 Piston Spare Parts Excavator Electric Piston 4939181 Rustproof

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Guangzhou Shangshun Engineering Machinery Parts co. LTD
City:guangzhou
Province/State:guangdong
Country/Region:china
Contact Person:MsSwallow Hu
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Cummins Qsb6.7 Piston Spare Parts Excavator Electric Piston 4939181 Rustproof

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Brand Name :OKJ
Model Number :QSB6.7
Place of Origin :China
MOQ :Negotiation
Price :Negotiation
Payment Terms :L/C, T/T, Western Union
Supply Ability :1000000 pcs/month
Delivery Time :3-5days
Packaging Details :According to our customers needs
Size :STD size
OEM :Acceptable
Name :Mitsubishi QSB6.7 piston
MOQ :1 set
Shipping :Air or Sea
OEM No. :4939181
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Cummins Qsb6.7 Piston Spare Parts Excavator Electric Piston 4939181 Rustproof

Electric Pistons For Cummins QSB6.7 Piston Spare Auto Parts

Since the piston plays an important role in the engine, the design and manufacture have also been greatly changed and improved, so as to meet the high emission standards in the real society.

I. piston height

The height of the piston is gradually shortening, the diameter of the piston has been greater than the height of the piston; The compression height is also getting shorter. These changes in the piston shorten the height of the engine body and the whole machine, improve the rigidity of the engine body and the whole machine, reduce the engine volume, weight, metal consumption and cost, and reduce the reciprocating mass, inertia force and main bearing load. In addition, the height of the piston shortened, the weight of the piston set can be reduced. The total weight of each piston group of the engine generally accounts for 1.2~3.0% of the total weight of the engine.

Number of piston rings

In recent years, in order to reduce the friction work, improve the mechanical efficiency, reduce the ring height and shorten the piston compression height and total height, the number of piston rings is decreasing. From the 30 s 5~6 ring groove development to 2~3 ring groove. It was found that more than one compression ring was not necessary, because if the upper compression ring failed, the other compression rings could not seal the gas in the combustion chamber from leaking into the crankcase, nor could they control the oil up the cylinder wall into the combustion chamber. Therefore, instead of increasing the number of piston rings, it is better to take measures to improve the performance of piston rings, with a compression ring and two oil ring grooves to ensure the completion of sealing gas and oil control.

Product Description

Product name Piston
Type QSB6.7
Suitable for excavator engine parts
MOQ 1 pcs
Sample order available
Package neutral package or special package to meet your requirements
Payment

T/T, LC, Westernunion, MoneyGram

Cummins Qsb6.7 Piston Spare Parts Excavator Electric Piston 4939181 Rustproof

Piston type & surface treatment

Alfin Reinforcement

Piston with alfin reinforcement are resistant to compression ring groove wear . the alfin reinforcement also act as a heat barrier minimizing heat conduction from piston skirt area. Such pistons can thus withstand the demand for higher load and highet performance engine .

Cooling Gallery

Created for operation in high temperature environment like turbo engines. Through oil circulation in the gallery, pistons are intensively cooled in the piston crown and ring belt area .

Anodized Crown

Anodization of piston crown creates a hard crown surface thus providing pistons with extra protection against crown piting and wear .

Tin Coating

Tin coated surface provides extra lubrication and smoother running of cylinder components resulting in longer engine lifetime .

Moly Skirt

Help produce less frictional heat and engine noise. The extra lubricative effect also minimize cylinder bore wear and prevent piston scuffing .

Phosphating

Reduce tge fructuib from with the cylinder liner . And to protect the piston from corrosion .

Nitriding

The nitriding products have excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance .

Cummins Qsb6.7 Piston Spare Parts Excavator Electric Piston 4939181 Rustproof

Our Advantages

1. Samples are welcome for production.

2. Enough types of stock

3. Quick and safe delivery ,Various of transportation way: Sea, Air, Bus, Express, etc

4. High quality with competitive price

5. We can develop new items for you especially

FAQ

Q: When will ship my order?
A: Once we get confirmation of payment, we will try our best to ship order within 24 hours.


Q: Which shipping term you can supply?
A: By sea, air or by express ( DHL, Fedex, TNT, UPS, EMS)


Q: How long does it take to my address?
A: The Normal delivery time is 4-7 days, depending on which country you are in.


Q: How can I trace my order?
A: We will send you the tracking number by email.


Q: If I am not satisfied with the products, can I returns goods?
A:Yes, we offer exchange and repair service under warranty. Please contact us before you return.

Our Product Range

Cummins

A2300 B3.3 6BT 6CT QSB6.7 NH220 M11 NT855 K19 M11

Yanmar

4D84-1 4D84-2 4D84-3 4TNV88 4TNE88 4TNV94 4TNV98 4TNE98 4TNE94

CAT

S6K-T 3306 3116 3126 C7 3204 3208 3406 C9 C-9 C4.2 320D

Mitsubishi

4D30 4D34 6D34 S4E S6K 4M40 4D55 6D22 8DC9 4DR5 S6A S6B

6D31 6D14T 6D15T 6D16T 4D31T 6D24T 6D34 S4K

engine piston piston ring cylinder liner/sleeves
liner kit bearing set valve&seat&guide
engine block cylinder head gasket kit/overhaul kit
head gasket connecting rod crankshaft
oil cooler turbocharger camshaft
couping set fan cooling engine assy

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