YNF17129 472-2239 air intake hose for CAT 320D2GC, durable rubber pipe ensuring stable airflow to the engine.
OEM Replacement: Compatible with CAT 472-2239
Material: High-strength heat-resistant rubber
Function: Transfers clean air from filter to engine/turbo
Durability: Designed to resist vibration, heat cycling, and negative pressure deformation
B2B Value: Reliable, cost-effective aftermarket solution suitable for wholesalers and service workshops
The YNF17129 air hose (472-2239) is a high-quality replacement intake pipe designed for CAT 320D2GC excavators. It ensures a stable and clean airflow path from the air filter to the engine or turbocharger. Built from premium, heat-resistant reinforced rubber, this intake hose withstands engine compartment temperatures, strong vibration, and negative pressure suction during heavy-load operation.
Its OEM-matched structure provides excellent sealing, preventing unfiltered air from entering the combustion chamber—helping protect the engine from dust, contamination, and premature wear. The YNF17129 hose maintains flexibility while retaining structural strength, reducing the risk of cracking or collapsing after long-term use.
With consistent supply and OEM-equivalent quality, YNF intake hoses are widely trusted by excavator repair shops, distributors, and fleet operators seeking reliable and cost-effective replacement solutions for CAT equipment.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17129 |
| OEM Number | 472-2239 |
| Product Type | Air Intake Hose / Air Hose |
| Machine Model | CAT 320D2GC |
| Material | Heat-resistant reinforced rubber |
| Function | Transfers clean air to engine/turbocharger |
| Resistance | Heat, vibration, suction pressure, aging |
| Application | Excavator air intake system |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Pieces |
| Shipping Methods | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Air Intake System | Directs filtered air to engine/turbocharger |
| Engine Protection | Prevents dust contamination and air leakage |
| Excavator Maintenance | Replacement for worn or cracked intake hoses |
| Aftermarket Supply | Ideal for distributors and repair workshops |
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Excavator Air Intake & Turbo Hose Series
FAQs:
Q: Is YNF17129 a direct replacement for CAT 472-2239?
A: Yes, it matches OEM specifications.
Q: What material is the air hose made of?
A: High-strength heat-resistant reinforced rubber.
Q: Will it collapse under suction?
A: No, the hose is engineered to resist deformation under negative pressure.
The YNF17129 472-2239 air hose delivers reliable airflow performance for CAT 320D2GC excavators, ensuring engine efficiency and long-term stability. Produced with heat-resistant and vibration-resistant rubber, it offers excellent durability even under tough site conditions. YNF provides stable stock, competitive pricing, and OEM-level quality—ideal for B2B buyers such as repair centers, fleet operators, and parts distributors. Contact us today for a quotation or bulk order support.
