2408523 Hydraulic Cylinder Seal Kit for Caterpillar Equipment

The 2408523 hydraulic cylinder seal kit is a replacement sealing set for hydraulic cylinders used on Caterpillar heavy equipment. It is intended for cylinder resealing work and contains the seals, rings, and packing components listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available product data identifies the equipment brand as Caterpillar. Specific machine models or series are not provided, so model-level fitment is not listed. Verify the cylinder application and the existing part number before installation.

Cross-reference numbers

• 2408523
• 240-8523

The numbers above refer to the same kit designation in unformatted and hyphenated formats. The individual component numbers listed in the specifications identify the contents of the kit and are not separate references for the complete seal kit.

Specifications

Kit contents

The kit includes eight individually identified components: one O-ring, one seal assembly, one wiper seal, one U-packing, one wear ring, one piston seal, one ring, and one piston wear ring. The listed components are supplied as one set for the hydraulic cylinder sealing application associated with part number 2408523.