FACTORY DIRECT SALE: We are your source manufacturer for customizable engine cylinder liners.
Komatsu PC200-8 Cylinder Liner | Caterpillar 320D Cylinder Liner | Cummins QSB6.7 Cylinder Liner | Yanmar 4TNV98 Cylinder Liner
Are you searching for a reliable, cost-effective replacement part for your heavy machinery? We offer a high-grade CAT D2 Display Screen Wiring Harness, a direct fit for the original equipment manufacturer (OEM) part. This critical component ensures stable communication between the monitor and the excavator’s Engine Control Unit (ECU), directly addressing common issues such as a blank screen, flickering display, or intermittent system faults in your Caterpillar D2 Excavator.
Our alternative part, with the reference number 4C-6789 (also searchable as 4C6789), guarantees optimal signal integrity and durability. We understand the importance of uptime in construction, which is why our focus is on providing robust genuine alternative engine parts that meet or exceed the performance of the original CAT D2 wiring harness.
| Brand | Model | CAT D2 Parts No. | Product Name |
|---|---|---|---|
| Caterpillar | D2 | 4C-6789 / 4C6789 | Excavator Display Screen Wiring Harness |
★ Use for Excavator or Construction Machinery: Specifically designed for high-vibration heavy equipment environments.
★ Precision Fit for CAT D2: Ensures seamless electrical connection and easy installation, resolving system failures.
★ High-Quality OEM Replacement: Built with premium materials for longevity and performance stability.
★ 4C6789 Wiring Consistency: Matches the pin-out and specifications of the genuine Caterpillar D2 part number.
★ Excavator Display Screen Functionality: Guaranteed to restore clear and stable monitoring capabilities for the operator.
| Model NO. | Application | Product Name | Condition | Origin |
|---|---|---|---|---|
| D2/4C-6789 | Excavator/Construction Machinery | Display Screen Wiring Harness | New | China |
| Certification | Specification | Trademark | Transport Package | Production Capacity |
| ISO 9001 Compliant | High-Quality OEM Replacement for CAT D2 ECU communication | HTM (Honour Time Machinery) | Carton | 5000PCS/Year |
| Payment Terms: T/T, Western Union, MoneyGram. Delivery Methods: Express (DHL, Fedex, EMS, UPS) or by Air/Sea for bulk orders. We support international trade company logistics. | ||||
As a leading supplier, Honour Time Machinery Limited specializes in complete diesel engine assemblies and high-wear components. Our inventory covers everything needed for a full engine overhaul or routine maintenance.
| Engine Parts Category |
|---|
| Liner Kit / Cylinder Liner |
| Piston / Engine Piston |
| Piston Ring / Engine Piston Ring Set |
| Gasket Kit / Full Gasket Set |
| Gasket Head / Cylinder Head Gasket |
| Crankshaft / Engine Crankshaft |
| Valve Guide / Valve Guide Bushing |
| Nozzle / Fuel Injector Nozzle |
| Bearing / Engine Bearing Set |
| Pressure Switch / Oil Pressure Sensor |
| Flameout Solenoid / Engine Shutoff Solenoid |
| Engine Parts Category (Cont.) |
|---|
| Monitor / Excavator Monitor |
| Radiator / Engine Radiator Assembly |
| Main Valve / Hydraulic Main Control Valve |
| Belt / Engine Drive Belt |
| Engine Bearing / Crankshaft Bearing |
| Cylinder Block / Engine Cylinder Block |
| Valve Seat / Engine Valve Seat |
| Accelerator Motor / Throttle Motor |
| Transmitter / Pressure Transmitter Sensor |
| Fan Cooling / Cooling Fan Assembly |
| Brand | Model Series Provided |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170. We are your trusted Komatsu engine parts distributor. |
| KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34. Essential Kobelco excavator engine spares. |
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13. Find all your Caterpillar engine component solutions here. |
| Mitsubishi | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40. High-quality Mitsubishi construction machinery parts. |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1. Offering a wide range of Isuzu industrial engine accessories. |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106. Your source for Yanmar excavator engine overhaul kits. |
| HINO | J05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D. Reliable HINO diesel engine parts supply. |
| CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C. Premium Cummins fuel injector and pump solutions. |
| VOLVO | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D. Full range of Volvo heavy equipment engine parts. |
Engine Bearing: Installed in the Engine Crankcase. Example: Cummins QSB6.7 Engine Bearing.
Fuel Injector Nozzle: Installed in the Cylinder Head. Example: Komatsu 6D107 Injector Nozzle.
Turbocharger: Attached to the Exhaust Manifold. Example: Caterpillar C7 Turbocharger.
Water Pump: Mounted to the Engine Block. Example: Isuzu 4HK1 Water Pump.
Valve Seat: Pressed into the Cylinder Head. Example: Yanmar 4TNV94L Valve Seat.
Oil Pump: Located in the Engine Sump/Block. Example: Kubota V2403 Oil Pump.
Cylinder Block: The main structural component of the Engine Core. Example: Weichai WP10 Cylinder Block.
Connecting Rod: Connects the Piston and Crankshaft. Example: Cummins B3.9 Connecting Rod.
Radiator: Part of the Cooling System. Example: Komatsu PC400-8 Radiator Assembly.
Pressure Switch: Monitors pressure in the Hydraulic or Lubrication System. Example: Caterpillar 320D Pressure Switch.
Common Fault: Isuzu 6BG1 Engine Overheating
A persistent overheating issue in the Isuzu 6BG1 often results from a failed water pump or a clogged radiator. Check the coolant level and inspect the water pump's weep hole for leaks. A faulty cylinder head gasket can also cause combustion gases to enter the cooling system, leading to rapid overheating. Timely replacement of a leaking Isuzu 6BG1 gasket head is crucial.
Maintenance Plan: Cummins QSB6.7 Diesel Engine Longevity
For maximum engine lifespan, implement a strict maintenance schedule. Always use high-quality engine oil filters and fuel filters. Replace the Cummins QSB6.7 overhaul kit components (like the piston rings and engine bearings) at the recommended service interval to prevent premature wear. Regularly inspect the turbocharger for excessive shaft play and ensure the fuel pump is functioning within specification for optimal engine performance and efficiency. This proactive approach prevents costly diesel engine repair shop visits.
Honour Time Machinery Limited is a dedicated source manufacturer specializing in engine assemblies and precision spare parts for major brands like Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai, supporting your personal use or repair shop business globally.
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