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Alfin Automotive Cummins Piston M11 For Truck Diesel Engine Custom 4059900

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Alfin Automotive Cummins Piston M11 For Truck Diesel Engine Custom 4059900

Name: Alfin Automotive Cummins Piston M11 For Truck Diesel Engine Custom 4059900
Brand: UNITY AUTO PARTS CHINA LIMITED
Rating: 4.9 (40 reviews)

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10yrs

Guangdong, China

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Product description

Certification:	ISO9001, TS16949	Engine Type:	Diesel Engine
Material:	Aluminium, Alloy, Steel, Graphitization	Piston Type:	ALFIN Piston, Cooling Channel Piston, One Piece Casting Piston
Product Name:	Cummins Engine Piston	Surface:	MoS2 Spraying, Phosphate, Ceramic Spraying

Alfin Automotive Cummins Piston M11 For Truck Diesel Engine Custom 4059900

A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder and is made gas-tight by piston rings. In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod. In a pump, the function is reversed and force is transferred from the crankshaft to the piston for the purpose of compressing or ejecting the fluid in the cylinder. In some engines, the piston also acts as a valve by covering and uncovering ports in the cylinder wall.

Piston Technology

Phosphate
The phosphate is aimed to improve initial running-in performance. The phosphate layer is easy to wear off and helpful to improve running-in.

Ceramic Spraying
The treatment performance is similar to anodizing and heat insulation performance is better. The ideal thickness is 0.2 to 0.3mm. When running under high temperature, the ceramic is easy to crack and wear off. It is not commonly used due to high cost

Tin Coating
Tin is coated by electro analysis or heat dipping at thickness between 0.001 and 0.003mm. Tin is characterized as soft and oil-friendly which improves running-in efficiency of piston and liner. This coating is most commonly used.

Graphite Sprayed at Piston Skirt/Graphite Printing
Graphite is characterized as good lubricating, which helps lubricant adhering to coating surface. The coating will reduce friction and scratching. The thickness is between 0.01 and 0.02 mm.

Piston roof anodizing
The piston roof is anodized by electro bath, forming thin layer of Al2O3 , This treatment will improve heat resistance (above 500℃), heat conductivity and anti-corrosion, it helps prevent piston roof burn-up. The thickness is normally 0.02 to 0.05mm. If the thickness increases by 0.01mm, the heat conductivity will decrease by 25%, the roof temperature when running will be lower from 30 to 50℃. Anodizing technology and processing is normally complicated.

Piston roof MoS2 Spraying
The function is close to roof anodizing improving heat resistance. The MoS2 is also good at lubrication. (The bigger piston below is piston roof anodizing, the smaller one is MoS2 Spraying)

Piston Type

Steel-insert piston

Steel-insert piston allows more uniform thermal expansion and tight fitting clearance.

Cooling channel piston

Cooling channel pistons effectively reduce piston body working and groove land temperature under high temperature working condition.

ALFIN piston

ALFIN is inserted within the ring grooves when casting. ALFIN is made of special austenitic cast iron. It is tightly bonded metallically to piston body and counteracts the wear in the top ring groove. ALFIN pistons are commonly used in diesel engines.

One piece casting piston

Compared to common five-pieces casting, one piece casting technology is better in efficiency and appearance, it also reduces casting flaws.

Compares piston

The sealing and guiding functions of the piston are separated from one another. The upper part is made of cast iron and the lower part is made of aluminum. The two parts is joined by bolts. The piston can perform with not only maximum strength and heat resistance, but also low wear values and optimum conditions for meeting future emission standards.

Forged piston

The forged piston allows smaller cross sections and lower piston weight. This kind of piston is installed primarily in sports car engines and heavy-duty fast-running engines.

UAP NO.	OEM NO.	ENGINE MODEL	NO.CYL	DIA. * LENGTH	RING SIZE	PIN SIZE	PISTON FEATURES
CUMMINS
PS-CU-001	3907163	6BT	6	102*105.4	1-3.00K 2-2.385 3-4.00	40*76	shiny alfin
PS-CU-002	3907156	6BTA	6	102*105.40	1-3.00K 2-2.385 3-4.00	40*76	shiny alfin
PS-CU-003	3926631	6BTAA	6	102*105.40	1-3.00K 2-2.385 3-4.00	40*83	shiny alfin
PS-CU-004		6BTAA	6	102*105.40	1-3.00K 2-3.00K 3-4.00	40*83	shiny 2 alfin
PS-CU-005	498791400	K114	6	114
PS-CU-006	3923163	6CT 210	6	114*120.30	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-007	3923163	6CT 210	6	114*120.30	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-008	3929161	6CT	6	114*120.30	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-009	3800320	6CT	6	114*120.50	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-010	3923537	6CT 230	6	114*120.30	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-011	3923164	6CT 240	6	114*120.30	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-012	3929565	6CT 240	6	114*120.30	1-3.50K 2-3.00K 3-4.00	45*91	shiny 2 alfin
PS-CU-013	3919247	6CT	6	114
PS-CU-014	3923164	6CT	6	114
PS-CU-015	3917707	6CT 300	6	114*120.50	1-3.50K 2-3.00K 3-4.00	45*91	anodized 2 alfin
PS-CU-016	3910770	6CT	6	114
PS-CU-017	3925878	6CT 260	6	114*120.50	1-3.50K 2-3.00K 3-4.00	45*91	anodized 2 alfin
PS-CU-018		ISLE375	6	114*110.50	1-3.50K 2-3.00 3-4.00	45*91	phosphate graphite copper oil gallery alfin
PS-CU-019		6CT EUR02	6	114*110.50	1-3.50K 2-3.00K 3-4.00	45*91	phosphate graphite oil gallery alfin
PS-CU-020	184800/199821 6620-31-2010 6620-31-2110 6685-31-2111	NH220-4G	6	130.175*158.80	1-3.78K 2-3.78K 3-3.78K 4-6.12K	50.78*110	tinned alfin
PS-CU-021	6620-31-2110 6620-31-2010	NH220 A1772NP	6	130
PS-CU-022	3044448	L10	6	135
PS-CU-023	218520	NT855	6	139.4
PS-CU-024	3048808	NT855 NH400	6	139.7*159.50	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny 2 alfin
PS-CU-025	3017348	NT855	6	139.7*159.10	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny alfin
PS-CU-026	3017349	NT855	6	139.7*158.74	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny alfin
PS-CU-027	3801876	NT855	6	139.7
PS-CU-028	3028685	NT855	6	139.7
PS-CU-029	215420 6711-31-2010	NT855	6	139.7*152.83	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny alfin
PS-CU-030	3051555 3095739 3804414	NT855 / NH350	6	139.7*159.56	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny alfin
PS-CU-031	3051556 3050366	NT855	6	139.7*159.60	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny alfin
PS-CU-032	3051557	NT855	6	139.7*159.60	1-3.969K 2-3.175K 3-3.175K 4-4.747	50.77*119.70	shiny alfin
PS-CU-033	FP-3051556 3025447 3024675 3095470 3023120 3804417	NH400	6	139.7
PS-CU-034	198660	NH250	6	139.7
PS-CU-035	3096680	K19	6	158.8
PS-CU-036	3096681	KT19	6	158.756*161.90	1-3.80K 2-3.76K 3-4.80	60.947*133.00	tinned anodized 2 alfin
PS-CU-037	3096685	K19	6	158.756*163.20	1-3.80K 2-3.76K 3-4.80	60.947*133	phosphate graphite anodized 2 alfin
PS-CU-038	4914368	M11	6	125	split type
PS-CU-039	4059900	M11	6	125	split type

Piston Structure