CAT329D2 239-6687 Long Air Hose Description
The YNF18661 CAT329D2 239-6687 Air Hose is an important engine air intake component designed for compatible CAT 329D2 excavator systems. This long-type air hose connects the air cleaner system with the engine intake pathway, helping deliver filtered air efficiently to support proper combustion and engine performance. The 239-6687 hose is used as an air cleaner hose on CAT excavator applications including 329D2 models.
Manufactured from durable rubber materials, this intake hose provides excellent flexibility, vibration resistance, and sealing performance. Its strong construction helps withstand engine movement, temperature changes, and continuous operation in demanding construction environments.
The 239-6687 long air hose is suitable for excavator maintenance, repair, and replacement applications. Replacing aged, cracked, or damaged intake hoses helps reduce air leakage, maintain stable airflow, and support reliable engine operation.
CAT329D2 239-6687 Long Air Hose Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF18661 |
| OEM Part Number |
239-6687 |
| Compatible Model |
CAT329D2 |
| Product Name |
Air Hose |
| Alternative Name |
Intake Hose / Air Cleaner Hose |
| Product Type |
Engine Air System Component |
| Design Type |
Long Air Hose |
| Function |
Filtered Air Transfer |
| Installation Position |
Engine Intake System |
| Material |
High-Quality Rubber |
| Manufacturing Process |
Rubber Molding |
| Application |
CAT Excavator Engine System |
| Quality Type |
Aftermarket Replacement |
| Condition |
New |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Shipping Method |
Air, Sea, Express |
| Payment Terms |
T/T, PayPal, Western Union |
CAT329D2 239-6687 Long Air Hose Applications
| Application |
Description |
| CAT329D2 Excavator |
Long air hose replacement |
| Engine Intake System |
Transfers filtered air |
| Air Cleaner Assembly |
Connects air cleaner to engine intake |
| Excavator Maintenance |
Replaces worn intake hoses |
| Construction Machinery |
Supports stable engine operation |
| Repair Workshop |
Suitable replacement component |
CAT329D2 239-6687 Long Air Hose Detail Display
The CAT329D2 239-6687 Air Hose is an engine intake component that transfers filtered air from the air cleaner system to the engine, helping maintain efficient combustion and stable machine performance.
A damaged intake hose may cause air leakage, reduced engine efficiency, or unstable operation. Replacing the hose helps restore proper airflow and improve excavator reliability.
FAQ
Q: Which excavator uses the 239-6687 air hose?
A: It is designed for compatible CAT 329D2 and related excavator applications.
Q: What is the function of this air hose?
A: It transfers filtered air from the air cleaner system to the engine intake system.
Q: Is this a new replacement hose?
A: Yes. It is a new aftermarket air hose replacement.
