Complete boom cylinder seal kit 31Y1-29930 for Hyundai R290-9 excavator repair.
OEM Reference: Compatible with Hyundai part number 31Y1-29930.
Complete Kit: Includes wiper seals, buffer rings, piston seals, O-rings, wear rings.
High-Pressure Resistant: Engineered to withstand demanding boom cylinder loads.
Premium Materials: Uses NBR, PU, PTFE, and POM for durability and sealing reliability.
Fast-Moving Part: Popular item for fleet maintenance and aftermarket stockists.
The 31Y1-29930 Boom Cylinder Seal Kit is specifically designed for the Hyundai R290-9 excavator, offering a complete hydraulic sealing solution for the boom arm cylinder. This kit includes all necessary components for a full cylinder rebuild, helping prevent hydraulic fluid leakage and performance loss. Each seal is manufactured using high-grade materials to ensure compatibility with high-pressure hydraulic systems. Designed for B2B buyers including repair workshops, parts dealers, and equipment fleets, this aftermarket solution delivers OEM-comparable performance at an optimized price point—available exclusively from YNF Machinery.
| Attribute | Specification |
|---|---|
| Applicable Model | Hyundai R290-9 |
| Part Name | Boom Cylinder Seal Kit |
| OEM Part Number | 31Y1-29930 |
| YNF Part Number | YNF16797 |
| Application Area | Excavator Boom Hydraulic Cylinder |
| Material | PU, NBR, PTFE, POM |
| Operating Pressure | Up to 350 bar |
| Temperature Range | -30°C to +110°C |
| Kit Contents | Buffer, Dust, O-ring, Back-up ring, Piston seal |
| Condition | Brand New, Aftermarket Quality |
| MOQ | 10 Sets |
| Brand | YNF |
| Origin | China |
| Shipping Methods | Sea, Air, Express |
| Payment Methods | T/T, L/C, PayPal |
| Sector | Use Purpose |
|---|---|
| Excavator Hydraulic Repair | R290-9 boom cylinder rebuild and leakage repair |
| Equipment Rental Maintenance | Preventive seal replacement to avoid downtime |
| Spare Parts Dealers | Fast-moving replacement seal kit stock |
| Fleet Service Operations | Boom arm seal overhaul solution |
Related Products:
R290-9 Arm Cylinder Seal Kit
Hyundai Excavator Hydraulic Pump Seal Set
Cylinder Rod Repair Set for R-Series
Excavator Hydraulic Valve Seal Kit
FAQs:
Q: Does this seal kit include piston wear rings?
A: Yes, it contains all necessary internal wear and sealing rings.
Q: Are the seals heat-resistant?
A: Yes, they are suitable for high-temperature hydraulic operation.
Q: Can I customize the kit branding?
A: For bulk orders, private labeling is available upon request.
YNF Machinery supplies reliable 31Y1-29930 boom cylinder seal kits tailored for Hyundai R290-9 excavators. Our kits are manufactured to exacting standards and are trusted by parts dealers and heavy equipment repair teams worldwide. Keep your machines operating leak-free and efficiently—reach out today for a customized quote and shipping plan based on your inventory needs.
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