Complete radiator hose set replacing 421-4957 and 421-4956 for Caterpillar E329D2 excavators.
Complete upper and lower radiator hose set
Includes YNF16760 (Upper) and YNF16761 (Lower)
Replaces 421-4957 and 421-4956
Designed for Caterpillar E329D2
High resistance to heat and pressure
The YNF16760 & YNF16761 Radiator Hose Set is a complete coolant hose solution for Caterpillar E329D2 excavators. This set includes the upper radiator hose (421-4957) and the lower radiator hose (421-4956), ensuring full coolant circulation between the engine and radiator.
Manufactured from high-quality reinforced rubber, both hoses provide excellent resistance to high temperature, pressure, coolant chemicals, oil, and engine vibration. The reinforced structure prevents deformation, cracking, and collapse under heavy-duty operating conditions.
Produced according to OEM specifications, this radiator hose set offers accurate fitment and fast installation without modification. It is an ideal aftermarket replacement for preventive maintenance, cooling system repair, and engine overhaul, helping extend engine life and reduce downtime.
| Parameter | Details |
|---|---|
| YNF Part Numbers | YNF16760 (Upper), YNF16761 (Lower) |
| OEM Reference Numbers | 421-4957 / 421-4956 |
| Product Name | Radiator Hose Set |
| Machine Model | Caterpillar E329D2 |
| Hose Type | Coolant / Water Hose |
| Position | Upper & Lower radiator hoses |
| Material | Reinforced rubber |
| Function | Engine coolant circulation |
| Installation Type | Direct replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Set |
| Shipping Method | 1. Air 2. Sea 3. Express |
| Payment Terms | 1. T/T 2. PayPal 3. Western Union |
| Application Area | Description |
|---|---|
| Caterpillar E329D2 | Engine cooling system |
| Excavator Engines | Radiator coolant inlet and outlet lines |
| Construction Machinery | Heavy-duty cooling applications |
| Engine Maintenance | Replacement of worn radiator hoses |
| Cooling System Repair | Prevents coolant leakage and overheating |
FAQs:
What is included in this set?
One upper radiator hose (YNF16760) and one lower radiator hose (YNF16761)
Which OEM numbers are replaced?
421-4957 and 421-4956
Is this set for all E329D2 engines?
Yes, designed for standard E329D2 models
Minimum order quantity?
One set
Can the hoses be installed directly?
Yes, no modification required
The YNF16760 & YNF16761 Radiator Hose Set provides a complete and reliable cooling solution for Caterpillar E329D2 excavators. With reinforced rubber construction and OEM-accurate dimensions, this set ensures stable coolant flow under high temperature and pressure. YNF Machinery offers consistent quality, competitive pricing, and fast global delivery. Contact us today for pricing and availability.
