Caterpillar 4J-3515 Press-In Wiper Seal Assembly

Caterpillar 4J-3515 Press-In Wiper Seal Assembly is a genuine Cat seal-wiper designed to press into a hydraulic cylinder gland and wipe the piston rod as it moves, helping to keep dirt, dust, and moisture out of the bore and prolonging seal life. Catalog listings identify it specifically as a Seal Wiper Press-In with the part number 4J-3515, making it a direct Cat replacement for compatible cylinder applications. A common aftermarket cross-reference for this part is 2313538, which is frequently used as a substitute or replacement option in Cat hydraulic systems. This wiper seal assembly is intended for use in hydraulic cylinders on Cat equipment, where maintaining rod cleanliness is critical to reliable performance and reduced wear. When selecting a replacement, verify the exact Cat part number and cross-reference compatibility for your model to ensure proper fit and function in the gland, as dimensions and seating requirements vary by cylinder type.