VHSZ92034287 Water Hose

Product Overview

The VHSZ92034287 Water Hose is a critical cooling system component for Kobelco SK210-8 and SK250-8 excavators. This engine water hose, also known as a radiator hose or coolant hose, circulates engine coolant between the engine block, radiator, and other cooling system components to regulate engine temperature during operation .

The Kobelco SK210-8 is powered by the Hino J05E-TB engine, a water-cooled, 4-cycle, 4-cylinder direct injection diesel with intercooler turbo-charger producing 131 kW (178 PS) at 2,100 min⁻¹ . The SK250-8 shares the same engine platform. Proper coolant circulation through hoses like the VHSZ92034287 is essential for maintaining these operating temperatures and preventing engine overheating .

The water hose is subjected to extreme temperature cycles, engine vibration, and exposure to coolant chemicals. Rubber hoses can harden, crack, or swell over time, leading to coolant leaks and potential engine overheating . Replacing a worn or damaged hose with this OEM-spec component restores proper coolant flow and cooling system integrity.

Key Features

• OEM Specification Compliance: Manufactured to meet the exact dimensional and material specifications required by Kobelco for the SK210-8 and SK250-8 cooling systems.

• High-Temperature Resistance: Constructed from EPDM rubber formulated to withstand the extreme temperatures of engine coolant circulation .

• Coolant-Resistant Material: Resists degradation from ethylene glycol and other coolant additives commonly used in diesel engine cooling systems.

• Reinforced Construction: Features fabric or textile reinforcement to resist collapse under suction and bursting under pressure .

• Direct Replacement: Matches OEM routing and connection points for a perfect fit with no modifications required.

• Flexible Design: Engineered to accommodate engine movement and vibration without cracking or loosening connections .

• Essential for Engine Protection: Proper coolant hoses are critical for maintaining engine operating temperature and preventing overheating .

Compatibility

This water hose is a direct replacement for the following applications:

Compatible Excavator Models

• Kobelco SK210-8

• Kobelco SK250-8

Engine Compatibility

• Hino J05E-TB (4-cylinder, 5.123L, water-cooled, direct injection, turbocharged with intercooler) 

Engine Specifications (SK210-8 / SK250-8)

Part Number: VHSZ92034287 / VH900234556C

Also Known As: Water Hose, Coolant Hose, Radiator Hose, Engine Hose, Cooling System Hose

Please verify your machine’s serial number and compare with your original part before purchasing.

The Cooling System on SK210-8 / SK250-8

The Kobelco SK210-8 and SK250-8, powered by the Hino J05E-TB engine, feature liquid-cooled cooling systems that require proper hose integrity for reliable operation .

Key Cooling System Components

Cooling System Maintenance

According to the Kobelco SK250-8 Service Handbook, regular cooling system inspection should include checking for leaks at hose connections, cracks or hardening of rubber hoses, and proper coolant level . Replacing a degraded water hose with the VHSZ92034287 component is essential for maintaining cooling system integrity and preventing overheating.

Signs Your Water Hose Needs Replacement

The water hose can fail due to age, heat cycling, vibration, or coolant chemical attack . Replace your VHSZ92034287 hose if you observe:

1. Coolant Leakage: Visible coolant dripping from the hose, at the hose connections, or along the hose body .

2. Hardened or Brittle Hose: The hose feels hard and inflexible rather than supple, indicating heat and age degradation .

3. Cracks or Splits: Surface cracks, deep fissures, or splits visible on the hose exterior .

4. Swollen or Soft Hose: The hose has become spongy or swollen, indicating chemical attack from coolant additives .

5. Bulging: The hose shows bulging or deformation, indicating internal pressure damage .

6. Engine Overheating: The engine runs hotter than normal or the temperature gauge reads high, indicating reduced coolant flow.

7. Low Coolant Level: The coolant reservoir requires frequent refilling without visible external leaks elsewhere.

8. During Scheduled Maintenance: Replace hoses at recommended service intervals or when the cooling system is serviced.

Benefits

Why choose our VHSZ92034287 Water Hose for your Kobelco excavator?

1. Prevents Engine Overheating: A properly functioning coolant hose ensures adequate coolant flow to dissipate engine heat, preventing costly overheating damage .

2. Eliminates Coolant Leaks: Replaces a cracked or degraded hose to stop coolant loss and potential engine damage .

3. Essential for Cooling System Integrity: New hoses with proper sealing ensure the cooling system maintains pressure and flow.

4. Extends Engine Life: Proper cooling prevents thermal stress on engine components, extending engine service life .

5. Restores Cooling System Performance: A new hose with proper flow characteristics restores factory cooling system performance.

6. OEM-Quality Assurance: Manufactured to meet original equipment standards for fit, material, and durability.

7. Prevents Unexpected Downtime: Proactive hose replacement prevents coolant leaks and overheating that would shut down your job site.

8. Compatible with Standard Coolant: Designed for use with standard ethylene glycol-based diesel engine coolants.

Installation Tips

• Professional Installation Recommended: Water hose replacement requires draining and refilling the cooling system and proper bleeding procedures. Professional installation by qualified technicians is strongly recommended.

• Allow Engine to Cool: Never work on the cooling system when the engine is hot. Allow the engine to cool completely before starting work.

• Drain Coolant: Drain the cooling system to a level below the hose connection to prevent coolant spillage.

• Clean Connection Points: Thoroughly clean the hose connection points on the engine, radiator, and other components to ensure proper sealing.

• Replace Hose Clamps: Always install new hose clamps when replacing hoses to ensure proper sealing .

• Check Hose Routing: Ensure the new hose follows the factory routing path, keeping clear of moving parts, hot exhaust components, and sharp edges .

• Use Correct Coolant: Refill the cooling system with the recommended coolant type and concentration for the J05E-TB engine.

• Bleed Air from System: After installation, properly bleed air from the cooling system according to the service manual procedure.

• Check for Leaks: After running the engine to operating temperature, inspect all hose connections for leaks.

• Inspect Related Components: While servicing the cooling system, inspect the water pump drive belt for wear or damage.

Why Choose Our VHSZ92034287 Water Hose?

We understand that the Hino J05E-TB engine in your Kobelco SK210-8 or SK250-8 excavator relies on proper cooling system function for reliable operation and long service life . The water hose is a critical component that ensures coolant circulates through the engine and radiator to maintain proper operating temperatures .

Our VHSZ92034287 Water Hose is manufactured to meet OEM specifications, ensuring the correct diameter, length, bend radius, and material composition for your SK210-8 or SK250-8. Whether you are addressing a coolant leak, performing scheduled maintenance, or completing a major engine service, this direct-fit hose provides the reliable coolant flow your Hino J05E-TB engine requires.

Technical Specifications

Order your VHSZ92034287 Water Hose today and ensure reliable cooling system performance for your Kobelco SK210-8 or SK250-8 excavator. In stock and ready for immediate worldwide shipping. Bulk pricing available for fleet maintenance.