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9595508 Cylinder Piston Seal Kit For Liebherr | Ruijueparts

9595508 Cylinder Piston Seal Kit For Liebherr | Ruijueparts

Regular price $28.36
Regular price Sale price $28.36
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Availability: 1000 in stock

Volume discounts available · Minimum order quantities apply for bulk pricing

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SKU: 9595508
Vendor: RuiJueParts

Shipping & Returns

Shipping:
- Standard models take 1-3 business days.
- Bulk orders take 3-7 business days.
- For urgent orders, please contact our sales team. [Email: info@ruijueparts.com]

Returns:
We accept returns within 30 days of purchase. Learn more—return policy

Packaging details

PP bag, carton

Place of Origin

China

Payment terms

L/C, T/T, Western Union, MoneyGram

Performance

Oil Sealing

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Product Description

9595508 is an aftermarket piston-side seal kit with reference applications in several Liebherr mining-cylinder configurations. Its use is not limited to a single boom or bucket position, so the installed cylinder number is the most useful starting point for a purchasing check. Confirm the machine configuration and any separate rod-side requirements before ordering. Ruijueparts supports reference checks for fleet maintenance lists and can assess uncertain older-equipment requirements before proposing a supply option.

Item specifics

Part Number: 9595508

Compatible Brand: Liebherr

Type: Cylinder Piston Seal Kit

Manufacturer Type: Aftermarket replacement

Condition: New

Reference Models: R9250 / R996B / R9800 — selected cylinder configurations only

Application

Mining excavator: R9250 BH, boom cylinders 9603919 / 94001969 / 9630990; R9250 LS, boom cylinders 9642909 / 9642911.

Mining excavator: R996B BH, bucket cylinders 9643017 / 9643015; R9800 LS, stick cylinders 9632625 / 94007596.

Function: Services piston sealing in matched cylinders that lift the boom, curl the bucket or position the stick.

Fitment check: Verify the installed cylinder number and machine serial number against the applicable parts list. The examples above are not a universal model fitment claim.

FAQ

Q1: Is 9595508 only a boom-cylinder seal kit?

No. The reference applications also include bucket and stick cylinders on selected configurations. Use the assembly number to identify the relevant position.

Q2: Does the same piston kit mean the entire cylinders are interchangeable?

No. A shared service-part reference does not establish that complete cylinders, rods or mounting arrangements are interchangeable.

Q3: Should I order a rod kit at the same time?

Inspect the complete cylinder and define the repair scope first. If rod-side work is needed, identify its kit separately from the exact assembly listing.

Q4: Can you help source seals for an older mining machine?

Ruijueparts can review the original reference, cylinder identification and available dimensions. Custom requirements can be assessed, with suitability confirmed before committing to an order.

Aftermarket replacement supplied by Ruijueparts. Brand names and part references identify compatibility; this is not a genuine Liebherr product.

Why choose Ruijueparts

Lower cost — honest trade-off

Our aftermarket seal kits deliver a practical, cost-effective solution without compromising on real-world performance. We offer a lower upfront cost and reliable sealing for your daily maintenance and repair needs.

Extensive part number range

We stock seal kits across CAT, Komatsu, Volvo, JCB, Hitachi, Doosan, John Deere, Kubota, and 10+ other brands—one supplier for your whole fleet.

Flexible packaging options

Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.

Customization Service

When genuine OEM seals are out of production for your old machinery, we can custom-make oil seals using your dimensions or our engineer-recommended specifications.

Wholesale & OEM bulk orders

Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.

Warranty on request

Volume pricing for repair shops, dealers, and fleet operators. Get a quote via our website or WhatsApp: +86 13692100161.

When budget aftermarket makes sense

OEM seal kits are the right choice when machinery is under active warranty, operating at peak duty cycles, or when failure risk is unacceptably high. Budget aftermarket—like Ruijue Parts—makes sense in these common scenarios:

Older or end-of-life equipment

When a machine is aging out of your fleet, OEM parts cost more than the job warrants. A budget kit extends service life without over-investing.

Secondary or backup machines

For machines used infrequently or on lower-intensity tasks, premium OEM pricing may not be justified.

OEM parts unavailable or on long lead time

When OEM stock is out or delivery takes weeks, an available aftermarket kit gets your machine running now.

Fleet maintenance on a fixed budget

Repair shops and fleet managers running high volumes of machines often balance OEM and aftermarket across their portfolio based on criticality.

Installation guide

1. Depressurize the hydraulic system

Fully retract the cylinder and relieve system pressure before disassembly. Never work on a pressurized circuit.

2. Remove and disassemble the cylinder

Remove from the machine. Unthread the gland nut and withdraw the piston rod carefully to avoid surface damage.

3. Clean all components thoroughly

Clean the bore, rod, and all metal parts with a lint-free cloth. Contamination introduced during reassembly accelerates seal wear—this step is especially important for budget-grade seals.

4. Inspect the rod and bore

Check for scoring or pitting. Budget seals are more sensitive to surface imperfections—address rod damage before fitting new seals.

5. Install the seal kit

Lightly coat each seal with clean hydraulic fluid before installation. Use proper seal drivers — not screwdrivers or sharp tools — to avoid nicking the sealing lip.

6. Reassemble and pressure test

Torque the gland nut to spec and cycle the hydraulic system under no-load conditions. Inspect for leaks before returning the machine to service.

Maintenance tips

Inspect every 250–500 hours

Budget-grade seals may have shorter service intervals than OEM. Inspect rod seals for moisture, oil film, or weeping more frequently and replace proactively.

Keep hydraulic fluid clean

Contaminated fluid degrades seals faster — this applies especially to non-OEM materials. Replace fluid and filters on schedule.

Protect exposed rod surfaces

When storing equipment with cylinders extended, protect rod surfaces from corrosion and debris to preserve wiper seal life.

Ensure Proper Installation

Avoid using sharp tools during assembly to prevent nicks or scores on the seal lips. Pre-lubricating all components with clean hydraulic oil is recommended to ensure a smooth fit into the cylinder grooves.

Reduce Downtime with Reliable Seals.

Click "Add to Cart" for immediate dispatch, or contact our team for bulk pricing and wholesale support.

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