Products

RITO Hydraulic Accumulator 352-6990 CAT 320D 325D 330D 336D Excavator Boom Accumulator Bladder for

Defective hydraulic accumulator bladders easily leak pressure, rupture or lose air charge under frequent boom lifting and heavy load cycles. Poor-quality replacements cause unstable hydraulic pressure, slow boom response, system vibration and frequent machine downtime, raising repair costs and operation losses for wholesalers, agents and mining end users.

  • Item NO.:

    352-6990
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Hydraulic Accumulator Bladder RITO 352-6990 is engineered for CAT 320D, 325D, 330D and 336D excavators. Made of premium rubber compound with pressure-resistant design, it maintains stable energy storage and pressure buffering performance, protects hydraulic components, extends service life and cuts maintenance expenses for B2B bulk procurement clients.

352-6990 Hydraulic Accumulator

 
Product Specifications

Part Number  352-6990
Part Name Hydraulic Accumulator Bladder
Compatible Brand CAT
Applicable Models CAT 320D, 325D, 330D, 336D
Application Excavator hydraulic system
Material High strength elastic rubber compound
Product Color Black
Working Temperature -30°C to 120°C
Key Function Store hydraulic energy, buffer pressure shock, stabilize boom hydraulic system
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Stable Pressure Storage Performance

Excellent air tightness keeps constant hydraulic pressure buffer, stabilizes boom operation, reduces system impact and avoids intermittent power drop.

Leak-Free

Exact OEM Replacement Size

Matches original 352-6990 specification perfectly, direct fit for CAT 320D 325D 330D 336D accumulator with no modification required.

Direct Fitment

High Pressure & Rupture Resistance

Reinforced rubber structure withstands cyclic high hydraulic pressure, not easy to bulge, crack or leak in long-term heavy construction and mining work.

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 are the common failure signs of a damaged 352-6990 accumulator bladder?
A: Slow boom rising and falling, unstable hydraulic pressure, obvious system vibration, and frequent pressure loss are typical symptoms of bladder leakage or aging.
 
Q: What key points should follow when installing 352-6990 accumulator bladder?
A: Release system pressure completely before installation, keep the inner cavity clean, avoid scratching the bladder surface, and standardize nitrogen charging to rated pressure.
 
Q: Will RITO 352-6990 fit CAT 336D excavator?
A: 352-6990 is a dedicated OEM accumulator bladder, fully compatible with CAT 320D, 325D, 330D and 336D excavator hydraulic systems.
 
Q: How does this accumulator bladder perform in extreme working environments?
A: It maintains stable elasticity and air tightness at -30°C to 120°C, resisting aging and pressure impact in high-temperature, dusty mining and construction sites.
 
Q: What advantages does RITO 352-6990 bring for bulk procurement?
A: Durable performance, low leakage rate, unified batch quality and stable delivery cycle, helping wholesalers and mine fleets reduce long-term maintenance costs.
 

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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