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Oil Sealing
We specialize in aftermarket seal kits compatible with brands such as Caterpillar, Komatsu, JCB, and John Deere. We offer B2B bulk order consultation and large-scale procurement services. With years of industry experience, we provide wholesale and long-term bulk supply services to our global business partners. Submit your bulk order details, and our professional B2B team will provide you with competitive pricing, fast delivery times, and customized supply solutions within 24 hours.
RG248-67562 is an aftermarket boom cylinder seal kit referenced for later Kubota KX61-3 and KX71-3 compact excavators from serial number 75154 onward. It is the later serial-range reference for the boom cylinder, whereas RG248-67560 is listed for machines through serial 75153. Both kits are associated with a 40 mm rod and 70 mm bore but should not be treated as interchangeable solely by dimension. This serial-number distinction helps distributors avoid costly returns and helps workshops identify the correct cylinder repair kit before teardown. Ruijueparts supports part-number lookup, multi-SKU RFQs, selected legacy-equipment sourcing, and neutral or customer-specified packaging.
| Part Number: |
RG248-67562 |
| Fits Models: |
KX61-3, KX71-3 |
| Brand: |
Kubota replacement |
| Type: |
Hydraulic Cylinder Seal Kit / Boom Cylinder Seal Kit |
| Application: |
|
| Size: | Standard Size |
What is the difference between RG248-67562 and RG248-67560?
RG248-67562 is the later boom-cylinder reference for KX61-3 and KX71-3 machines from serial number 75154 onward. RG248-67560 applies through serial 75153.
Are RG248-67562 and RG248-67560 interchangeable?
No. Even though both references are associated with a 40 mm rod and 70 mm bore, the catalog separates them by machine serial range. Use the original part number and serial range for correct selection.
Does RG248-67562 fit the arm or bucket cylinder?
No. This reference is for the designated boom/lift cylinder. Arm, bucket, swing, and blade cylinder applications use separate repair-kit references.
Can I quote this kit from the part number alone?
Yes. RG248-67562 is sufficient for direct aftermarket matching and quotation. For an extra check, provide the KX61-3 or KX71-3 model and serial number.
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.
We stock seal kits across CAT, Komatsu, Volvo, JCB, Hitachi, Doosan, John Deere, Kubota, and 10+ other brands—one supplier for your whole fleet.
Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.
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.
Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.
Volume pricing for repair shops, dealers, and fleet operators. Get a quote via our website or WhatsApp: +86 13692100161.
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:
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.
For machines used infrequently or on lower-intensity tasks, premium OEM pricing may not be justified.
When OEM stock is out or delivery takes weeks, an available aftermarket kit gets your machine running now.
Repair shops and fleet managers running high volumes of machines often balance OEM and aftermarket across their portfolio based on criticality.
Fully retract the cylinder and relieve system pressure before disassembly. Never work on a pressurized circuit.
Remove from the machine. Unthread the gland nut and withdraw the piston rod carefully to avoid surface damage.
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.
Check for scoring or pitting. Budget seals are more sensitive to surface imperfections—address rod damage before fitting new seals.
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.
Torque the gland nut to spec and cycle the hydraulic system under no-load conditions. Inspect for leaks before returning the machine to service.
Budget-grade seals may have shorter service intervals than OEM. Inspect rod seals for moisture, oil film, or weeping more frequently and replace proactively.
Contaminated fluid degrades seals faster — this applies especially to non-OEM materials. Replace fluid and filters on schedule.
When storing equipment with cylinders extended, protect rod surfaces from corrosion and debris to preserve wiper seal life.
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.
Click "Add to Cart" for immediate dispatch, or contact our team for bulk pricing and wholesale support.
First order was a pleasant surprise-
great value for money.
Good! The 101529-00005 seal kit
performed exceptionally. No oil leaks,smooth operation.
Fast delivery and exactly as described.Highly recommend!
Seals fit well and arrived on time.
Good quality for the price.
