525-3504 Hydraulic Cylinder Seal Kit for Caterpillar 325B 330B 330D 336D 345D 349D Excavators
525-3504 Hydraulic Cylinder Seal Kit for Caterpillar M325B Wheeled Excavator; 336D2, 312D L, 345B II, 345B L, 345C L, 345D L, 349D L, 350-A, 325B LN, 345B II MH, 325B L, 330B, 330D, 336D, 312D, 349D2 L, 349D2, 340D L, 325C FM, 336D2 L, 349D, 330B L, 330B LN, 330D L, 336D L, 325C, 345B, 345C, 345D Excavators. Premium aftermarket replacement for hydraulic cylinder resealing. Please confirm the OEM part number, machine model and serial number before ordering.
Brand: WINSCHEN
Country of Origin: China
MOQ: 1 SET
Dispatch time: 1-3 business days
SKU: CTC-525-3504
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525-3504 Hydraulic Cylinder Seal Kit for Caterpillar 325B 330B 330D 336D 345D 349D Excavators
Restore dependable sealing performance with the WINSCHEN 525-3504 Hydraulic Cylinder Seal Kit. This premium aftermarket replacement is prepared for professional Caterpillar wheeled excavator and excavator maintenance and repair.
Key Features
- Reference Number: Listed under part number 525-3504 for the applications shown below.
- Reliable Sealing: Selected sealing materials help maintain pressure and reduce fluid leakage during normal service.
- Maintenance Value: A practical replacement option for planned rebuilds and downtime reduction.
Compatible Equipment Models
Wheeled Excavator and Excavator: M325B Wheeled Excavator; 336D2, 312D L, 345B II, 345B L, 345C L, 345D L, 349D L, 350-A, 325B LN, 345B II MH, 325B L, 330B, 330D, 336D, 312D, 349D2 L, 349D2, 340D L, 325C FM, 336D2 L, 349D, 330B L, 330B LN, 330D L, 336D L, 325C, 345B, 345C, 345D Excavators Caterpillar
Seal Kit Related Parts
| Part No | Qty | Parts name |
|---|---|---|
| 170-9865 | 1 | 108.4mm Inner Diameter U Cup Seal |
| 7Y-4941 | 1 | 110mm Internal Diameter Plastic Backup Ring |
| 191-3128 | 1 | 104mm Outer Diameter Seal Ring |
| 185-0230 | 2 | 159.82mm Outer Diameter Wear Ring Piston Guide |
| 185-0231 | 1 | 151.93mm Internal Diameter Plastic Ring |
| 165-9291 | 1 | 107.5mm Inner Diameter Lip Type Seal |
| 095-1635 | 1 | 5.7 x 149.6mm 90A NBR O-Ring |
| 087-5550 | 1 | 150.20mm Internal Diameter Ring |
| 506-2321 | 1 | 160mm Bore Diameter Two Piece Seal |
| 128-9266 | 1 | 109mm Internal Diameter Buffer Seal |
Specifications
| Part Number | 525-3504 (5253504) |
| Part Type | Hydraulic Cylinder Seal Kit |
| Application | hydraulic cylinder resealing |
| Brand | WINSCHEN |
| Country of Origin | China |
| SKU | CTC-525-3504 |
| MOQ | 1 SET |
| Delivery Time | 1-3 business days |
To ensure proper fitment, verify the exact machine model, serial number and original part number with our support team before purchasing. Fast global shipping is available.
Related Caterpillar Seal Kit Categories
Browse more Caterpillar replacement parts or compare other hydraulic seal kits. For fitment confirmation, send the OEM part number and machine model through our inquiry form or WhatsApp.
| OEM Part Number | 525-3504 |
|---|---|
| Equipment Brand | Caterpillar |
| Product Type | Hydraulic Cylinder Seal Kit |
| Condition | Premium Aftermarket Replacement |
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