Original M11 ISM11 QSM11 EFI 4059948 4059949 4024938 Engine Piston
Describe:
What is the piston in the main engine?
The piston is a composite part that converts the gas forces into mechanical forces for the engine. It fits into the engine cylinder and transmits the mechanical force to the piston rod (in the case of two stroke engines) or the connecting rod (in the case of four stroke engines
Why is the Pistons called the Pistons?
The Pistons franchise was established in Fort Wayne, Indiana in 1937. The team played in the National Basketball League under the guidance of original owner Fred Zollner. Zollner's business manufactured pistons for automobiles, so he named his team the Fort Wayne Pistons.
How do I know if my piston needs replacing?
How To Tell If Your Pistons Are Still Good | JE Pistons
According to Suyenaga, if the pin bore is worn more than 0.002-inch, JE recommends the piston be replaced. A pin bore gauge is the best way to check for excessive wear in this area. Other potential failure points include inspecting the rings to ensure the ring end gaps, especially the top ring, has not butted
Quick Details:
Model |
QSM11 M11 |
Product Name |
Piston |
Part number |
4059948 |
Material |
Metal |
Weight |
3 |
Piston Diameter: |
STD |
Pison ring size: |
STD |
Pin Size: |
STD |
Cyl. no: |
6 CYL |
Photo:




More Another piston
Engine |
OEM |
CYL |
Piston size
(mm) |
Ring Goove
(mm) |
Pin Size
(mm) |
MΦ
(mm) |
Features |
4D32 |
Piston |
ME018277 |
4 |
Φ104.0 112.3
62.3
5.6
20.7 |
1-2.8HK
2-2.0
3-4.0 |
34
84 |
52.0 |
tinned alfin |
4D32 |
Piston |
ME018274 |
4 |
Φ104.0 110.7
60.7
9.8
18.9 |
1-3.0HK
2-2.0
3-4.0 |
34
84 |
54.5 |
tinned alfin |
4D32 |
Piston |
ME013313 |
4 |
Φ104.0 110 |
1-3.0
2-2.0
3-4.0 |
34
84 |
56.0 |
tinned alfin |
4D34 3907cc / FE44 |
Piston |
ME017618 ME012928 ME012900 ME012901 |
4 |
Φ104.0 112.2
62.2
11.5
20.5 |
1-2.80K
2-2.0
3-4.0 |
34
84 |
54.5 |
tinned alfin steel |

Packing and Shipping:

FAQ:
Q1: If I only know the excavator model, but can not offer parts No., what should I do ?
A: If possible, you can send us pictures of old products, name plate or the size for reference.
Q2: What is the warranty of the parts after I purchased?
A: The warranty is 6/12 Months based on the item details. For natural broken, 3 months. Guarantee genuine parts.
Q3: What's payment you can accept?
A: We can receive payment through T/T, HSBC, MoneyGram , Western Union, Paypal, ALI trade assurance.
Q4: When will I get the items after place order?
A1: In stock: 1-7days.
B2: Out of stock: It's according to your quantity. We will let you know when we quote.
Q5: How can I do if there is something wrong with the items?
A: Our products have been professionally tested and the quality is very stable ,if you really found something wrong ,pls contact us , We have a professional after-sales team to help you solve the problem .
Q6: What's package? Can you give me the package according my requirement?
A1: Yes, Standard packing , Neutral packing with wooden box or carton , as your customize.
B2: If you agree, we also have our own professional brand packaging
Q7: What is your main products ?
A: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, overhaul kit,piston, cylinder liner, piston ring, size tile, camshaft, connecting rod, oil pump, water pump, valve series products, movement,side,cover,Supercharger, starter motor, alternator, oil nozzle, copper sleeve of oil nozzle, engine gear, etc. cover almost allparts of the entire engine.