• item name: Used for MITSUBISHI Engine 4G30 4G33(OLD) Piston Rings for Engine
• Engine Model: Used for MITSUBISHI 4G30 4G33(OLD)
• Dia.: from 32mm to 900mm
• Part No.: MDO00770
• Material: DCI ACI etc
• Delivery: 5 days if have stock ; 25days for new production
• Warranty: 100,000km
• MOQ: 200 sets
• Piston ring advantage size:from 32mm to 900mm,especially in large size
• Payment: T/T,western union,paypal,escrow etc.

We provide of piston ring supplying to O.E.M and aftermarket and overseas market. Advantaged range from 30-900mm in diameter.
Applications for Car, Truck, Generator, Marine, hydraulic system,Agriculture and Construction Machinery etc.

High technology guarantee:

B. Heat treatment technics:

Using automatic heat treatment line for quenching and tempering treatment,

the use of koil for quenching medium to ensure quality of heat treatment.

c. Surface treatment technology:

Chromium ceramic composite coating.

By plating the piston ring outer face plated layer 0.1mm~0.4mm containing

ceramic powder (nano AL2O3 or Sic) of the chromium layer.

• Our package: anti rust paper>Plastic bag>box>carton
• We could accept customer authorized brand packing based on 200 sets.

Changsha Haochang Machinery Equipment Co., Ltd has been founded by Susan Deng who is a mechanical engineer. She has accumulated more than 20 years' experience in Auto parts development and export.

All product we supplied that has reached OEM standard in domestic and abroad. We have successfully built customer brand DIESELTEK, SHAHYA, TELFORD, DYNAGEAR, etc.

We have passed the certification of ISO9001-2015, TUV, CE.

Our company is located in Changsha, Hunan. A good industrial foundation helps the company to develop steadily. There are Sany Heavy Industry, Zoomlion, Geely, BYD Industrial Base and the first Piston Ring Factory in China.

Our main product includes crankshaft, cylinder head, cylinder block, cylinder liner, piston ring, piston and timing kit. Except for the timing kit, other auto engine parts are suitable for engineering machinery and trucks, such as Cummins, Caterpillar, Mercedes Benz, Man, Nissan, Isuzu, Hino, etc. Timing kit is used in passenger cars including German vehicles, American vehicles, Japanese vehicles, and Korean vehicles.

We promise our product to have ONE YEAR warranty after installation. Cylinder liner strictly produces in Cummins/Caterpillar international standard. Crankshaft, Cylinder head, Cylinder block, Piston ring strictly implement the OE standards of Weichai, Yuchai and Shanghai Volkswagen. The piston strictly implements the MAHLE OE standard.

Develop as drawing or sample is accepted. We will supply an excellent option in 48 hours after receiving the customer’s drawing. If no drawing or sample, we could supply the suggested option in 48 hours according to product work condition, engine power, product basic size, material, and treatment.

For general items quotation, timing kit needs a part number, vehicle model and year to classify. Crankshaft, cylinder head, and cylinder block need the engine model or part number. Cylinder liner, piston and piston ring require a part number or basic size.

Regular products can be delivered within one week if stock available. If no stock, the product can be finished in 35-45 days.

For Cummins and Caterpillar vehicles, we could supply complete engine, fuel injector, fuel nozzle, camshaft, valve, cylinder head gasket, connecting rod, bearing, air compressor, turbocharger, oil pump, and water pump, etc.

Focus on professionalism, so we could serve customers better.

Over 20 years of foreign trade experience, we have formed a set of processes in delivery, shipment, arrival, sales, customer feedback.

Stable quality and ever-increasing customer experience have earned us more customers.

Company vision: To be a first-class supplier in the market segments.

Company values: Professional,Dedicated,Practical.