Source Manufacturer Direct Sales: Custom Engine Liner Kits & Cylinder Blocks

We are a trusted source manufacturer specializing in the custom development and factory direct export of various Diesel Engine Cylinder Liners and Cylinder Blocks for global heavy equipment maintenance. Our expertise covers engine parts for **Komatsu, Caterpillar, Isuzu, and Yanmar**, ensuring top-quality replacement parts.

Contact Us Immediately for Quotes and Support!

WhatsApp: +8613532379052 Email: [email protected]

Connect on Facebook! 📱

Essential Electrical Component: Relay TOSD-02-119

We proudly offer the high-performance Engine Relay TOSD-02-119, an essential part for maintaining the electrical integrity of heavy-duty machinery. This reliable unit, also known by the OEM part number 25230-Z5002 (and its clean version, 25230Z5002), is engineered to meet or exceed OEM specifications, providing a seamless and high-quality solution for your excavator and construction equipment.

Relay Product Specifications

Five Key Features of Relay TOSD-02-119 (25230-Z5002)

• Feature 1: Specifically engineered for reliable operation in excavator and construction machinery environments.

• Feature 2: Direct fit replacement for OEM Part Number 25230-Z5002, ensuring zero modification installation.

• Feature 3: Supports stable operation of critical engine systems, contributing to the prevention of electrical failures that could indirectly lead to issues like high oil consumption or abnormal engine shutdown.

• Feature 4: Constructed with robust materials to withstand the shock and vibration typical of heavy-duty applications.

• Feature 5: High-quality domestic alternative that offers exceptional value without compromising on durability or performance.

Your Global Partner for Heavy-Duty Engine Parts

Honour Time Machinery Limited specializes in providing comprehensive engine solutions, from complete engine assemblies to precision spare parts. We are dedicated to serving heavy equipment across all major brands, including CUMMINS, KOMATSU, CATERPILLAR, ISUZU, YANMAR, KUBOTA, and WEICHAI.

Our core product lineup ensures the reliability of your machine's heart. We stock high-quality components such as Piston Assemblies, Heavy Equipment Piston Ring Sets, Crankshaft Main Bearing Repair components, Thrust Washers, and complete Genuine Engine Overhaul Gasket Kits. We provide everything needed for a full engine rebuild, including Cylinder Head Gasket Replacement Procedure components, precision-machined Cylinder Blocks, and robust Connecting Rods.

Beyond the mechanical core, our electrical and fuel system parts are unmatched. We offer Diesel Fuel Injection Pump Service kits, High Pressure Common Rail Injectors, and Excavator Turbocharger Upgrade units. Don't forget essential fluid components like Construction Equipment Water Pump Failure replacements and parts to fix Engine Oil Pump Pressure Issues.

We are your go-to source for complex needs like Isuzu 4HK1 Cylinder Block Purchase, managing Komatsu 6D107 Engine Overhaul Cost effectively, and sourcing Caterpillar C7 Engine Parts Supplier components. We export reliable options for small engines too, like the Kubota V2203 Engine Rebuild Kit and Yanmar 4TNV98 Piston Assembly. Look to us for Weichai WP10 Engine Parts Export and all your needs for Connecting Rod Bushing Installation and Liner Kit Wet Sleeve Replacement. Our focus is on providing the Best Diesel Engine Performance Parts and being your Reliable Engine Part Distributor China.

Other Engine Parts Models We Can Provide

We offer a massive inventory covering major engine components, including Liner Kits, Pistons, Piston Rings, Gasket Kits, Gasket Heads, Crankshafts, Valve Guides, Nozzles, Bearings, Pressure Switches, Flameout Solenoids, Monitors, Radiators, Main Valves, Belts, Engine Bearings, Cylinder Blocks, Valve Seats, Accelerator Motors, Transmitters, Fan Coolings, and other engine parts.

Understanding Your Engine Components (10 Key Definitions)

1. Liner Kit: The core wear component that forms the cylinder wall. Installed in the Cylinder Block. Example: Caterpillar C7 Liner Kit for a Cat 320D Excavator.

2. Piston: Translates the force of expanding gas into rotational motion. Installed within the Cylinder Liner. Example: Komatsu 6D107 Piston for a Komatsu PC200-8 Excavator.

3. Piston Ring: Seals the combustion chamber and manages oil. Installed in grooves around the Piston. Example: Isuzu 4HK1 Piston Ring for an Isuzu FRR Dump Truck.

4. Crankshaft Bearing: Supports the rotating crankshaft, minimizing friction. Installed in the Cylinder Block's Main Journal. Example: CUMMINS B5.9-C Crankshaft Bearing for a JCB 3CX Backhoe Loader.

5. Valve Guide: Guides the movement of the engine valves. Pressed into the Cylinder Head. Example: Yanmar 4TNV98 Valve Guide for a Yanmar ViO50 Mini Excavator.

6. Nozzle (Injector Tip): Atomizes and sprays fuel into the combustion chamber. Part of the Fuel Injector unit. Example: Weichai WP10 Nozzle for a Shantui SD16 Bulldozer.

7. Flameout Solenoid: Controls the fuel flow to shut down the engine. Mounted on the Fuel Pump or Injection Pump. Example: Kubota V2203 Flameout Solenoid for a Kubota KX080 Excavator.

8. Turbocharger: Compresses air to increase engine power and efficiency. Mounted on the Exhaust Manifold. Example: CATERPILLAR C9 Turbocharger for a Cat D6N Dozer.

9. Water Pump: Circulates coolant through the engine and radiator. Usually mounted on the Front of the Engine Block. Example: Komatsu 4D95 Water Pump for a Komatsu PC70-8 Excavator.

10. Oil Pump: Circulates engine oil under pressure for lubrication. Typically mounted in the Oil Pan or Engine Block. Example: ISUZU 6WG1 Oil Pump for a Hitachi EX350 Excavator.

Critical Maintenance Tip: Preventing Engine Failure

Failure & Solution: Komatsu PC300-7 with 6D107 Engine

Common Failure: White or blue smoke coming from the exhaust, indicating excessive engine oil consumption. This is often caused by worn piston rings or damaged cylinder liners.

Detailed Solution: For a Komatsu PC300-7 with a 6D107 engine exhibiting severe oil consumption, a complete engine overhaul using a high-quality Liner Kit Wet Sleeve Replacement is necessary. This requires disassembling the engine, checking the piston ring gap, replacing the worn piston rings and liners, and installing a new Engine Overhaul Gasket Kit to ensure a proper seal. This critical process restores engine compression and resolves the abnormal oil burn.

Preventative Maintenance: Always use the manufacturer-recommended grade of engine oil and strictly adhere to oil and filter change intervals. Regular checks of the Pressure Switch and Engine Oil Pump Pressure Issues can preempt major mechanical failures.

Click to leave an online message for us

Honour Time Machinery Limited is a premier export-focused supplier of high-quality engine assemblies and spare parts for all major heavy equipment brands, ensuring global clients receive reliable, factory-direct components.