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RITO 4343365 Swing Motor Cap EX200-2 EX1200-5 ZX200 ZX330 ZX450 Hydraulic Tank Breather Cap Excavator Swing Gearbox Cover Parts

Debris and moisture entering the hydraulic tank or swing gearbox quickly destroy expensive pumps and gears. Blocked or cracked breather caps disrupt internal pressure, causing oil leaks and component cavitation. Mining operators face massive rebuild costs from poor system ventilation.

  • Item NO.:

    4343365
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Protect machinery with the heavy-duty 4343365 cap. Universally designed for EX200-2, EX1200-5, ZX200, ZX330, and ZX450, this dual-purpose breather cap regulates pressure and blocks airborne contaminants. Wholesalers can maximize profits with this essential fleet replacement part.

4343365 Cap

 
Product Specifications

Part Number  4343365 / 0323404
Part Name Hydraulic Tank Breather Cap
Compatible Brand Hitachi
Applicable Models EX200-2, EX1200-5, ZX200, ZX330, ZX450
Application Excavator hydraulic system
Material High-Strength Steel and Composite Filter Elements
Product Color Matte Silver and Yellow Zinc
Working Temperature -35 to 110 Degrees Celsius
Key Function Regulating air pressure and filtering contaminants inside the hydraulic reservoir and swing gearbox
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Dual Pressure Control

Advanced internal valve structures optimize tank breathing and stabilize oil pressure.

Leak-Free

Micro-Particle Filtration

High-efficiency filter media stops dust and moisture from entering the gearbox.

Direct Fitment

Corrosion-Proof Shell

Reinforced steel and impact-resistant coatings withstand tough industrial environments.

Rigorous Testing

Global Supply Tiering

We offer Original, OEM, and high-performance Aftermarket options to provide flexible procurement strategies for diverse regional markets.
 
 

 

Excavator Hydraulic Part

FAQ


Q: What common failure symptoms indicate a worn 4343365 swing motor cap or breather cap?
A: Common signs include oil mist leaking from the cap, hydraulic tank deformation caused by pressure build-up, and pump cavitation noise. A clogged filter inside the breather stops the air exchange, pulling a vacuum inside the system.
 
Q: What are the technical installation and maintenance requirements for this breather cover assembly?
A: Simply thread the cap by hand onto the tank neck until fully seated, ensuring the rubber sealing gasket stays level. Clean the surrounding area before installation, and replace the cap every 1000 operating hours in dusty mining conditions.
 
Q: How can global industrial parts buyers confirm this cap matches their current inventory?
A: Cross-reference the OEM part number 4343365. This breather cap is a standard fit for large-scale fleets including EX200-2, EX1200-5, ZX200, ZX330, and ZX450 hydraulic systems.
 
Q: Can this tank breather cap withstand freezing winter conditions and extreme desert heat?
A: Yes. The internal valves and premium sealing rings operate efficiently between -35 and 110 degrees Celsius. It will not freeze up or crack when exposed to continuous UV rays or high ambient temperatures.
 
Q: What logistical advantages do you offer to heavy machinery parts importers?
A: We pack all shipments in sturdy, moisture-proof commercial boxes to prevent thread damage during long sea freight. We offer flexible MOQ options and bulk pricing structures to help you boost profit margins.
 

Q: What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

Q:Why Choose RITO?

A:Listed Factory

Stable&Reliable Quality

OEM Factory for Chinese Top Excavator Brands

Supplier to Fortune 500 Companies
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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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