CATEngine Parts

135-5680-169-8052 Lower Upper Radiator Hose — Cat

This is a lower upper radiator hose designed to connect the engine block to the radiator, facilitating coolant circulation for engine temperature regulation. It is constructed from durable, heat-resistant rubber compounds to withstand high temperatures and pressures, unlike a cracked or swollen hose that leaks coolant. Operators may observe coolant leaks around the hose connection points, a noticeable drop in coolant level, or the engine overheating.

Lower Upper Radiator Hose – Part No 135-5680-169-8052 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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
ApplicationEngine Cooling System
Service LifeReplace every 3 years or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing radiator hose is often a visible leak of coolant, typically appearing as puddles under the equipment. If left unaddressed, the hose can rupture completely, leading to rapid coolant loss and severe engine overheating. Continued operation with a compromised cooling system risks significant engine damage.

Installation Tip

Ensure the engine is completely cool before attempting removal to avoid burns and coolant spillage. Do not overtighten the hose clamps, as this can damage the hose or the connection fitting.

Service Note

Inspect the radiator, thermostat, and water pump for signs of wear or leaks when replacing the radiator hose.