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 efficient supply lines for Foreign Trade Export. Contact us for high-quality, bespoke engine part solutions!
For reliable power and sustained operational efficiency in your Kubota V2403 diesel engine applications, selecting the correct, high-quality components is paramount. These parts are ideal for a professional engine rebuild or critical maintenance. We supply the high-tolerance Piston, designated by Part Number 1J881-21110 (and the searchable code 1J88121110). We also provide the corresponding Piston Ring Set, Part Number 1J881-21050 (or 1J88121050). While the Cylinder Liner number is not provided, Honour Time Machinery Limited ensures full availability of Kubota V2403 engine spares and the complete diesel engine overhaul kit, supporting all your compact equipment engine repair needs with precision parts.
Honour Time Machinery Limited is a leading global source for complete engine assemblies and essential replacement engine parts for major manufacturers: Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our extensive product portfolio 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: Uses exhaust energy to compress intake air for boosted performance. Cummins ISL9 Turbocharger.
Cylinder Head: Bolts to the block, sealing the cylinders and housing the valves and combustion components. Caterpillar D5N C6.6 Cylinder Head.
Main Bearing (Crankshaft Bearing): Supports the main journals of the crankshaft in the cylinder block saddles. Komatsu PC300-8 SAA6D114E Main Bearing.
Oil Pump: Circulates lubricating oil through the engine's passages to minimize friction and cool components. Isuzu 6HK1 Oil Pump.
Connecting Rod: The critical link that transfers piston force to the crankshaft. Kubota V3307 Connecting Rod.
Glow Plug: Provides initial heat to aid ignition in cold diesel engines. Yanmar 3TNV88 Glow Plug.
Water Pump: Circulates coolant through the engine and radiator to regulate temperature. Weichai WP12 Water Pump.
Thrust Washer: Installed at the crankshaft ends to prevent excessive front-to-back (axial) movement. Caterpillar D9T C27 Thrust Washer.
Camshaft: A shaft with lobes that controls the opening and closing timing of the valves. Cummins QSB6.7 Camshaft.
Fuel Injection Pump: Pressurizes diesel fuel and delivers it precisely to the injectors. Komatsu PC130-8 4BG1 Fuel Injection Pump.
Equipment Model: Isuzu FRR Truck (4HK1 Engine).
Fault: Engine is hard to start, especially when cold, or won't start at all, often accompanied by low fuel rail pressure readings.
Analysis and Solution: This is a common issue with common rail diesel systems. The primary failure point is often a worn High-Pressure Fuel Pump (HPFP) failing to generate sufficient rail pressure, or a leaking Fuel Injector allowing rail pressure to drop too quickly. The low pressure prevents the Electronic Control Module (ECM) from allowing injection to begin.
Resolution: First, check the fuel quality and filters. If clean, diagnose rail pressure during cranking. If pressure is low, the HPFP or a stuck-open Pressure Limiter Valve (PLV) must be replaced. Injector leak-off testing is crucial to identify leaking injectors. Use only high-quality Isuzu diesel engine parts and specialized tools for common rail system repair to ensure the required pressure is achieved for reliable truck engine maintenance.
For direct factory pricing on the Kubota V2403 Piston 1J881-21110, Piston Ring 1J881-21050, 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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