Hydraulic Cylinder Seal Kits
Home << Products << Maintenance & Wear Parts << Seals & Repair Kits << Hydraulic Cylinder Seal Kits << 565-5574 Bucket Cylinder Seal Kit for Caterpillar 336 340 349 350 352 ExcavatorPart Number: 565-5574
Product Name: Bucket Cylinder Seal Kit
Cylinder Position: Bucket
Rod Diameter: 110 mm
Application: Caterpillar 336, 336D, 340, 349, 350, 352
Product Description
565-5574 is a Caterpillar hydraulic cylinder seal kit used for complete cylinder resealing. The kit contains rod sealing, piston sealing, backup and wear-ring components required during hydraulic cylinder overhaul.
The 565-5574 hydraulic cylinder seal kit contains the sealing components required for cylinder resealing. The part numbers below are components included in the kit and are not cross references for 565-5574.
| Part Number | Component | Qty |
|---|---|---|
| 553-6506 | Seal Assembly | 1 |
| 7Y-4941 | Backup Ring | 1 |
| 266-7960 | O-Ring | 1 |
| 165-9291 | Lip Seal | 1 |
| 087-5550 | Ring | 1 |
| 185-0230 | Wear Ring | 2 |
| 185-0231 | Plastic Ring | 1 |
| 266-7957 | Buffer Seal | 1 |
| 259-0734 | U-Cup Seal | 1 |
Caterpillar specifies hydraulic cylinder seal kits by cylinder group and machine configuration. Before ordering 565-5574, confirm the original kit number, cylinder part number or machine serial information rather than selecting the kit by excavator model alone.
Topvelsun supplies 565-5574 hydraulic cylinder seal kits with 1-piece MOQ and a 6-month warranty. Photos of the original kit label or cylinder information can be provided for fitment confirmation.
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