CATCooling System

176-5329 Hose Radiator — Cat Tractor D3G D4G D5G

This is a radiator hose designed to transport coolant between the engine and the radiator, forming a critical part of the engine's cooling system. Manufactured to meet rigorous OEM quality standards, it offers superior resistance to heat, pressure, and coolant degradation compared to a worn or collapsed hose. Observable symptoms of a failing radiator hose include visible cracks or swelling, coolant leaks around the hose connections, and engine overheating.

Hose Radiator – Part No 176-5329 – CAT Spare Part
Part Specifications
BrandCAT
CategoryCooling System
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Flush cooling system with distilled water before refilling. Use pre-mixed coolant — never plain water, which causes corrosion. Pressure-test system after any cooling repair. Check thermostat by immersing in hot water — should open at rated temperature.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeRadiator Hose
MaterialReinforced rubber composite
ApplicationEngine cooling system
Service LifeReplace every 2-3 years or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial indication of a faulty radiator hose is often a visible bulge, crack, or softening of the rubber material. If ignored, the hose can rupture under pressure, leading to a rapid loss of coolant and immediate engine overheating. A burst hose can also spray hot coolant, posing a significant burn hazard and potentially damaging other engine components.

Installation Tip

Ensure the hose clamps are positioned correctly over the hose's reinforced sections to prevent leaks and avoid overtightening, which can damage the hose or fitting.

Service Note

Inspect the radiator and water pump for leaks or wear when replacing the radiator hose.