+86 18758866446robin@xcgparts.com
Hangzhou XC Machinery Co,.ltd.
  • Home
  • About us
  • Products
    • Hydraulic main pump
      • Hydraulic pump assembly
      • Hydraulic pump spare parts
      • Gear pump
      • Pilot pump
    • Engine parts
      • Liner Kit(Piston,Piston ring,Liner)
      • Main connect rod bearing
      • Water pump
      • Alternator
      • Starter
      • Turbocharge
      • Injector
      • Fan Motor
      • Tensioner
      • Cylinder Head
      • Cylinder block
      • Gasket kit
      • Oil Cooler Core
      • Engine Assembly
      • Crankshaft
    • Electric Parts
      • Controller
      • Monitor
      • Wire harness
      • AC panel
      • Throttle motor
      • Throttle Cable
      • Solenoid Valve
      • Relay
      • Pressure sensor
      • Wiper motor
      • Thermostat
      • Relief Valve
      • Lighting lamp
    • Final Drive swing motor
      • Final drive
      • swing motor
    • Travel Gearbox
      • Gearbox assy
      • Gearbox spare parts
    • Seal kit
      • Arm hydraulic cylinder seal kit
      • Boom hydraulic cylinder seal kit
      • Bucket hydraulic cylinder seal kit
      • Hydraulic pump seal kit
      • Swing motor seal kit
      • Travel motor seal kit
      • Main Control valve seal kit
      • Centre joint seal kit
    • Rock hydraulic breaker hammer
      • Silent Breaker hammer
      • Side type breaker hammer
      • Box type Breaker hammer
    • Rock bucket
    • Undercarriage parts
      • Track link
      • Track roller
      • upper roller
      • Idler
      • Sprocket
      • Adjustor assy
      • Track pad shoe
      • Rubber track
    • Swing reducer
    • Air conditioning system
      • Air condition compressor
      • Blower
      • Evaporator
    • Diagnostic Scanner Tool
    • Swing bearing
  • News
    • Company news
    • Industry-news
  • F.A.Q
  • Contact us
  1. Home
  2. Products
  3. Engine parts
  • HITACHI Excavator EX85  4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy - Image 1
  • HITACHI Excavator EX85  4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy - Image 2
HITACHI Excavator EX85  4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy - Image 1HITACHI Excavator EX85  4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy - Image 2

HITACHI Excavator EX85 4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy

  • Item No.001
  • Part Number 4JG2
  • Machine Mode EX85
  • Condition: Aftermarket New
  • Type: Overhaul Repair Kit
HITACHI Excavator EX85 4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy
Inquiry Send Email

Description

Complete Overhaul Repair Kit for HITACHI EX85 Excavator (4JG2 Engine)

Restore your HITACHI EX85 excavator to peak performance with our comprehensive engine overhaul repair kit. Designed for the reliable 4JG2 engine, this kit includes all essential components for a full rebuild, ensuring durability and efficiency on the job site.

Kit Contents

This all-in-one kit includes:

  • Piston & Liner Kit
  • Piston Rings
  • Main Bearings
  • Valve Guides
  • Full Gasket Set
  • Cylinder Block & Cylinder Head Assembly (optional)

Precision Engineering

Each component is manufactured to meet or exceed OEM specifications, guaranteeing a perfect fit and reliable operation. The pistons and liners are crafted from high-grade materials to withstand extreme pressures and temperatures, while the bearings ensure smooth crankshaft rotation.

Durable Construction

Our gaskets are made from premium materials that resist oil, coolant, and high heat, preventing leaks and maintaining proper compression. The valve guides are precisely machined for accurate valve alignment, reducing wear and improving engine efficiency.

Easy Installation

Designed for straightforward installation, this kit is ideal for professional mechanics and experienced DIYers. All components are carefully packaged to prevent damage during transit.

Aftermarket Quality

As an aftermarket product, this kit offers a cost-effective alternative to genuine parts without compromising on quality. It is thoroughly tested to ensure reliable performance in demanding conditions.

Applications

Specifically engineered for the HITACHI EX85 excavator equipped with the 4JG2 engine. Whether you are performing routine maintenance or a complete engine rebuild, this kit provides everything you need.

Trust Hangzhou XC Machinery Co., Ltd. for high-quality replacement parts that keep your equipment running smoothly. Contact us for more details or to place an order.

What is HITACHI Excavator EX85 4JG2 Engine Overhaul Repair Kit Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy?

This is an aftermarket overhaul repair kit for the HITACHI EX85 excavator's 4JG2 engine. It includes pistons, liners, rings, main bearings, valve guides, and a full gasket set, with options for cylinder block and head assembly. Designed to meet or exceed OEM specifications, it provides a cost-effective solution for complete engine rebuilding.

Applications

  • Complete engine overhaul for HITACHI EX85 excavators
  • Replacement of worn pistons, liners, and rings in 4JG2 engines
  • Restoring engine compression and performance
  • Fixing oil leaks and coolant leaks with full gasket set
  • Rebuilding cylinder head with new valve guides
  • Routine maintenance for 4JG2-powered equipment

FAQ

What components are included in this overhaul repair kit?

The kit includes a piston and liner kit, piston rings, main bearings, valve guides, and a full gasket set. Cylinder block and cylinder head assembly are available as optional items.

Is this kit compatible with the HITACHI EX85 excavator?

Yes, this kit is specifically designed for the HITACHI EX85 excavator equipped with the 4JG2 engine.

Are these aftermarket parts of good quality?

Yes, all components are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability.

Can this kit be used for a complete engine rebuild?

Yes, it contains all necessary parts for a full overhaul, including pistons, liners, bearings, gaskets, and valve guides.

Does the kit include installation instructions?

The product is designed for professional installation; however, specific instructions may not be included. We recommend having a qualified mechanic perform the installation.

Product Categories

  • Hydraulic main pump
    • Hydraulic pump assembly
    • Hydraulic pump spare parts
    • Gear pump
    • Pilot pump
  • Engine parts
    • Liner Kit(Piston,Piston ring,Liner)
    • Main connect rod bearing
    • Water pump
    • Alternator
    • Starter
    • Turbocharge
    • Injector
    • Fan Motor
    • Tensioner
    • Cylinder Head
    • Cylinder block
    • Gasket kit
    • Oil Cooler Core
    • Engine Assembly
    • Crankshaft
  • Electric Parts
    • Controller
    • Monitor
    • Wire harness
    • AC panel
    • Throttle motor
    • Throttle Cable
    • Solenoid Valve
    • Relay
    • Pressure sensor
    • Wiper motor
    • Thermostat
    • Relief Valve
    • Lighting lamp
  • Final Drive swing motor
    • Final drive
    • swing motor
  • Travel Gearbox
    • Gearbox assy
    • Gearbox spare parts
  • Seal kit
    • Arm hydraulic cylinder seal kit
    • Boom hydraulic cylinder seal kit
    • Bucket hydraulic cylinder seal kit
    • Hydraulic pump seal kit
    • Swing motor seal kit
    • Travel motor seal kit
    • Main Control valve seal kit
    • Centre joint seal kit
  • Rock hydraulic breaker hammer
    • Silent Breaker hammer
    • Side type breaker hammer
    • Box type Breaker hammer
  • Rock bucket
  • Undercarriage parts
    • Track link
    • Track roller
    • upper roller
    • Idler
    • Sprocket
    • Adjustor assy
    • Track pad shoe
    • Rubber track
  • Swing reducer
  • Air conditioning system
    • Air condition compressor
    • Blower
    • Evaporator
  • Diagnostic Scanner Tool
  • Swing bearing

Links

Google.comBaidu.com

Related Products

Yanmar excavator parts Yanmar 4TNV98 4TNV98T parts excavator original genuine complete engine assembly case excavator parts new engine assy China factory supplier

Yanmar excavator parts Yanmar 4TNV98 4TNV98T parts excavator original genuine complete engine assembly case excavator parts new engine assy China factory supplier

Caterpillar CAT C9.3B C350 caterpillar truck 2025 Engine Overhaul Repair Kit caterpillar construction Piston Liner Kit Ring main bearing valve guide gasket kit Excavator Construction Machine caterpill

Caterpillar CAT C9.3B C350 caterpillar truck 2025 Engine Overhaul Repair Kit caterpillar construction Piston Liner Kit Ring main bearing valve guide gasket kit Excavator Construction Machine caterpill

JCB skid steer 444 Engine jcb backhoe loader CARTEX CRANKSHAFT jcb hydrogen engine 320/09256 320/03336 320/03375

JCB skid steer 444 Engine jcb backhoe loader CARTEX CRANKSHAFT jcb hydrogen engine 320/09256 320/03336 320/03375

Latest Post

  • The Complete Technical Guide to Excavator Spare Parts: Maximizing Performance and Uptime
    The Complete Technical Guide to Excavato
    2025-12-22
  • Salute to 2022, adhere to the right path while seeking novelty, embrace changes, and forge ahead, the armored warriors!
    Salute to 2022, adhere to the right path
    2025-09-13
  • In September, the second-hand excavator transactions: the transaction volume decreased by 1.5% month-on-month and 39.8% year-on-year; Sany's 75, 215 and 135 excavators were the most popular; the UEPI
    In September, the second-hand excavator
    2025-09-16

Get a Quote

Contact Us

  • +86 18758866446
  • +86 18758866446
  • robin@xcgparts.com
  • Juye Road,BinJiang District,HangZhou City,Zhejiang Province,China

WhatsApp

Scan the QR code to chat with us on WhatsApp for faster support.

WhatsApp QR code

Copyright © {year} XinCheng Machinery Co., Ltd. All rights reserved.

  • +86 18758866446
  • robin@xcgparts.com
  • +86 18758866446Scan to chat on WhatsApp
  • WeChat QR CodeScan to chat on WeChat
  • Inquiry
  • Back to Top

Online Inquiry

Get a quote within 12 hours

Tell us what you need — we'll reply as soon as possible.

WhatsApp
Phone
E-mail
Inquiry