4D31 ME011045 ME999278 full Gasket Kit for Kato HD250 Komatsu PC50 Excavator and

Our premium Mitsubishi 4D31 Gasket Kit (OE: ME011045, ME999278, ME013299, MD012320) is engineered

to meet OEM standards, available in high-quality metal (MLS/Multi-Layer Steel) and non-asbestos materials.

It is specifically designed for medium-sized excavators equipped with Mitsubishi 4D31/4D31T 3.3L inline 4-

cylinder diesel engines, delivering exceptional sealing performance, heat resistance up to 220℃/428℉, and

durability. It effectively maintains optimal engine compression, prevents oil, coolant, and combustion gas

leaks, and adapts to harsh heavy-duty environments such as construction, light mining, and landscaping.

Key Specifications Table

Packaging and Delivery:

Packaging Details: Cartons and specialized packaging

Delivery Time: 3-7 days after payment

We are a professional manufacturer of construction machinery, producing a wide variety of construction equipment.

Vehicles, including construction machinery, forklifts, and agricultural machinery

Machinery equipment. We have experience supplying products to distributors and wholesalers.

Global professional repair companies make us even more precise.

Reliable in product sealing and data updates.

All our cylinder head gaskets, overhaul kits, and sealing components are manufactured in-house.

They are produced according to Original Equipment Manufacturer (OEM) technical standards and undergo multiple tests, including

sealing performance, pressure resistance, and high-temperature performance testing, as well as corrosion resistance and aging

resistance. All indicators meet industry standards, ensuring leak-free operation.

They operate without oil, ensuring stable performance.

After production, all products undergo multiple inspections and simulated runs.

Conditional testing is conducted, with strict control over dimensional accuracy, sealing performance, and

material stability. They are compatible with various engineering machinery and generators.

Engine systems offer advantages such as long service life and low failure rate.

Our company has been deeply involved in this field for many years, supplying engine parts

to well-known domestic and international brands. Our main products include cylinder head

gaskets, engine overhaul kits, various gaskets, oil seals, and sealing kits. Our products are

manufactured strictly according to original equipment manufacturer (OEM) standards,

suitable for various applications such as construction machinery, generator sets, and

industrial power equipment. We offer a comprehensive range of models, reliable quality,

and can meet various needs, including comprehensive engine overhaul and bulk

purchasing.