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 NoQtyParts name
170-98651108.4mm Inner Diameter U Cup Seal
7Y-49411110mm Internal Diameter Plastic Backup Ring
191-31281104mm Outer Diameter Seal Ring
185-02302159.82mm Outer Diameter Wear Ring Piston Guide
185-02311151.93mm Internal Diameter Plastic Ring
165-92911107.5mm Inner Diameter Lip Type Seal
095-163515.7 x 149.6mm 90A NBR O-Ring
087-55501150.20mm Internal Diameter Ring
506-23211160mm Bore Diameter Two Piece Seal
128-92661109mm Internal Diameter Buffer Seal

Specifications

Part Number525-3504 (5253504)
Part TypeHydraulic Cylinder Seal Kit
Applicationhydraulic cylinder resealing
BrandWINSCHEN
Country of OriginChina
SKUCTC-525-3504
MOQ1 SET
Delivery Time1-3 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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