We are your dedicated Source Manufacturer, providing specialized Customization and Development for crucial engine components, including Cylinder Liners, Pistons, and Piston Rings. Secure cost savings with our Factory Direct Sales and benefit from our established supply lines for Foreign Trade Export. Contact us for high-quality, made-to-spec engine parts!
Maintaining peak performance in your machinery powered by the Kubota V2403 diesel engine requires reliable, dimensionally accurate components. These parts are essential for a successful and lasting engine overhaul. Our inventory proudly features the robust Piston, identified by Part Number 1G861-21112 (and the easily searchable code 1G86121112). We pair this with the essential Piston Ring Set, Part Number 1G790-21053 (also listed as 1G79021053). Although the Cylinder Liner is not specified, Honour Time Machinery Limited offers a full range of Kubota V2403 engine spares and complete diesel engine overhaul kits, ensuring your generator engine repair is executed with the highest quality components.
Honour Time Machinery Limited is a premier global supplier of full engine assemblies and critical engine spare parts for renowned manufacturers: Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our extensive product line covers Cylinder Liners, Pistons, Piston Rings, Main Bearings, Rod Bearings, Thrust Washers, Overhaul Gasket Kits, Diesel Fuel Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods. We are committed to providing genuine OEM replacement parts, supporting wholesale engine parts supply, offering solutions for heavy equipment engine repair, industrial diesel component sourcing, reliable engine bearing sets, construction machinery spares, earthmoving equipment parts export, engine cooling system components, fuel injection system parts, and general machine component sourcing worldwide.
Turbocharger: Mounted on the exhaust manifold, it uses exhaust energy to spin a turbine and compress intake air. Caterpillar D8T C18 Turbocharger.
Main Bearing (Crankshaft Bearing): Found in the engine block's main bearing saddles, supporting the crankshaft's rotation. Komatsu PC450-8 SAA6D125E Main Bearing.
Fuel Injector: Located in the cylinder head, it atomizes and sprays diesel fuel into the combustion chamber. Cummins QSL9 Fuel Injector.
Thermostat: A valve in the cooling system, typically near the water pump or head, that regulates coolant flow to maintain engine temperature. Isuzu 6WG1 Thermostat.
Connecting Rod: Connects the piston to the crankshaft. Yanmar 3TNV88 Connecting Rod.
Glow Plug: Installed in the cylinder head, providing heat for cold starting. Kubota V2607 Glow Plug.
Oil Pressure Sensor: Typically screwed into the oil gallery of the block, it monitors engine oil pressure. Weichai WP7 Oil Pressure Sensor.
Valve Spring: Located on the valve stem in the cylinder head, it closes the valve after the rocker arm opens it. Cummins N14 Valve Spring.
Oil Filter Head: The component bolted to the block that the oil filter screws onto, often containing a bypass valve. Caterpillar 320D C6.4 Oil Filter Head.
Alternator Regulator: An electronic component, often integrated into the alternator, that controls the voltage output. Isuzu 4JJ1 Alternator Regulator.
Equipment Model: Komatsu PC200-8 Excavator (SAA6D107E-1 Engine).
Fault: Intermittent high coolant temperature warning, even under normal operating conditions, often leading to engine de-rate.
Analysis and Solution: This is frequently caused by cooling system blockage or a faulty component failing to circulate coolant correctly. Common culprits include a stuck-closed Thermostat or a severely damaged Water Pump impeller, or debris in the radiator/cooler.
Resolution: First, inspect the radiator fins and check for external debris. If clean, focus on internal components. Replace the Thermostat as a preventative measure. If overheating continues, the Water Pump (Part No. 6754-61-1200) likely requires replacement. Utilizing genuine quality Komatsu engine cooling parts and proper coolant mixture is vital for reliable excavator engine maintenance.
For direct factory pricing on the Kubota V2403 Piston 1G861-21112, Piston Ring 1G790-21053, or any engine spares for Cummins, Komatsu, Caterpillar, Isuzu, Yanmar, or Weichai equipment, contact us today. We manage efficient, reliable global export services.
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