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SKU:
ZZ3F00492
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R48568 Air Cleaner Valve Fit for Case 3150 3185 3210 4420 4430 4440 4391 PX140
$30.19
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$30.19
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$30.19
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
R48568 Air Cleaner Valve for Case
The R48568 Air Cleaner Valve is a replacement dust unloader valve designed for use in air cleaner systems on specific Case machinery models. This air cleaner valve automatically expels dust and debris collected by the pre-cleaner, helping to maintain proper airflow and engine protection. It is a direct replacement part referenced by OEM cross-reference numbers 4391 and PX140.
Overview
This air cleaner valve functions as a check valve that releases accumulated dust from the air cleaner housing, ensuring the filter element stays cleaner for longer. It is engineered for agricultural and industrial equipment fitted with Case air intake systems. The R48568 Air Cleaner Valve is a simple yet critical component for maintaining optimal engine performance.
Built For Performance
- Constructed from durable rubber material to withstand constant flexing and exposure to dirt.
- Designed as a direct-fit replacement for the original R48568 valve configuration.
- Features a one-way duckbill design to prevent unfiltered air from entering the intake system.
- Lightweight and easy to install without specialized tools.
- Compatible with OEM part numbers 4391 and PX140 for verified cross-reference.
Fits These Machines
- for Case 3150
- for Case 3185
- for Case 3210
- for Case 4420
- for Case 4430
- for Case 4440
On-The-Job Use
- Used on tractors and self-propelled equipment operating in dusty field conditions.
- Installed on combines and harvesters to protect the engine air intake.
- Applied on industrial loaders and backhoes where airborne debris is common.
Specs At A Glance
| Part Number(s) | R48568, 4391, PX140 |
| Type | Air Cleaner Valve / Dust Unloader |
| Material | Rubber |
Good To Know
Q: How often should the air cleaner valve be replaced? A: Replace the valve when it becomes hard, cracked, or fails to open and close freely, typically during routine air filter service. Inspect it with every filter change to ensure it is not clogged with debris.
Q: What happens if the valve is damaged or missing? A: A missing or damaged valve allows unfiltered air and dirt to bypass the filter, which can cause severe engine wear. Replacing it promptly restores proper pre-cleaner function and extends filter life.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.