VHSZ92034286 Water Hose

Product Overview

The VHSZ92034286 Water Hose is a critical cooling system component for Kobelco SK210LC-8 and SK250-6 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 SK210LC-8 is powered by the Hino J05E-TA engine, a 4-cylinder, 5.123-liter water-cooled, direct injection diesel with intercooler turbo-charger producing 114 kW (155 PS) at 2,000 min⁻¹ . The SK250-6 shares similar cooling system architecture. The cooling system capacity for the SK210LC-8 is approximately 8.5 liters for the radiator and 22 liters total system capacity . Proper coolant circulation through hoses like the VHSZ92034286 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. Over time, rubber hoses can harden, crack, or swell, leading to coolant leaks and potential engine overheating. Replacing a worn or damaged hose with this OEM-spec VHSZ92034286 component restores proper coolant flow and cooling system integrity. According to Kroon-Oil’s service recommendation, the cooling system should be serviced every 2,000 hours or 24 months, making regular hose inspection and replacement part of routine maintenance .

Key Features

• OEM Specification Compliance: Manufactured to meet the exact dimensional and material specifications required by Kobelco for the SK210LC-8 and SK250-6 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.

• Pressure Rating: Designed to withstand the operating pressure of the engine’s cooling system, typically up to 15-20 PSI (1.0-1.4 bar).

• Reinforced Construction: Features internal 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 SK210LC-8 (Serial No. YQ11-06001~)

• Kobelco SK250-6

Engine Compatibility (SK210LC-8)

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

Cooling System Specifications (SK210LC-8)

Part Number: VHSZ92034286

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 SK210LC-8 / SK250-6

The Kobelco SK210LC-8, powered by the Hino J05E-TA engine, features a liquid-cooled cooling system that requires proper hose integrity for reliable operation. The cooling system includes:

Key Cooling System Components

Related Cooling System Service

According to Kroon-Oil’s recommendation for the SK210LC-8, the cooling system requires regular maintenance, with service intervals of 2,000 hours or 24 months . The cooling system should be inspected for:

• Leaks at hose connections

• Cracks or hardening of rubber hoses

• Proper coolant level

• Coolant condition and concentration

Replacing a degraded water hose with the VHSZ92034286 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 VHSZ92034286 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. Coolant Odor: A sweet smell in the engine compartment indicating a slow coolant leak.

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 (2,000 hours / 24 months) or when the cooling system is serviced.

9. Visible Hose Damage: Chafing, abrasion, or damage from contact with other engine components.

10. Coolant Contamination: Oil in the coolant or coolant in the oil may indicate other issues that require hose removal and inspection.

Benefits

Why choose our VHSZ92034286 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 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 Drive Belt: While servicing the cooling system, inspect the water pump drive belt for wear or damage.

Why Choose Our VHSZ92034286 Water Hose?

We understand that the Hino J05E-TA engine in your Kobelco SK210LC-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 VHSZ92034286 Water Hose is manufactured to meet OEM specifications, ensuring the correct diameter, length, bend radius, and material composition for your SK210LC-8 or SK250-6. Whether you are addressing a coolant leak, performing scheduled maintenance at the 2,000-hour interval , or completing a major engine service, this direct-fit hose provides the reliable coolant flow your engine requires.

Technical Specifications

Order your VHSZ92034286 Water Hose today and ensure reliable cooling system performance for your Kobelco SK210LC-8 or SK250-6 excavator. In stock and ready for immediate worldwide shipping. Bulk pricing available for fleet maintenance.