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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.
5005362M91 is an aftermarket extendable dipper cylinder seal kit for selected Terex/Fermec backhoe loaders. It is matched to cylinder 5000127M91, with a 65 mm bore and 40 mm rod. This cylinder extends and retracts the telescopic section of a side-shift backhoe dipper; it is not the standard dipper cylinder, boom cylinder, or center-mount extendable-dipper cylinder. Published references list Terex 820, 825, 860, and 970 applications. Match the original kit number and cylinder reference before ordering, as center-mount and side-shift telescopic systems use different kits.
Part Number: 5005362M91
Fits Models: 820, 825, 860, 970, 760, 860, 960
Brand: TEREX replacement
Type: Hydraulic Cylinder Seal Kit / Dipper Cylinder Seal Kit
Application:
Equipment: Terex and Fermec backhoe loaders
Cylinder position: Side-shift extendable dipper / telescopic dipper cylinder
Cylinder reference: 5000127M91
Function: Rebuilds the hydraulic cylinder that extends and retracts the telescopic dipper section to increase rear excavating reach.
Backhoe Loaders: 820, 825, 860, 970, 760, 860, 960
Size: Standard Size
Q1: What does 5005362M91 repair?
A: It repairs the side-shift extendable dipper cylinder. This hydraulic cylinder moves the telescopic extension section in and out to increase digging reach.
Q2: Is 5005362M91 the same as a standard dipper cylinder seal kit?
A: No. A standard dipper cylinder moves the main rear excavating arm, while this kit seals the telescopic extension cylinder inside an extendable dipper system.
Q3: Can this kit be used for a center-mount extendable dipper?
A: No. Center-mount and side-shift extendable-dipper systems use different cylinder designs and seal-kit references. Confirm the configuration and cylinder number before ordering.
Q4: Can I quote using only 5005362M91?
A: Yes. Ruijue parts can match the corresponding aftermarket kit by original reference. For older equipment or an unclear application, send cylinder number 5000127M91 or clear product photos for additional checking.
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.
