Fits Caterpillar SEAL A 4T8588 NEW

One New Aftermarket Replacement Hydraulic Cylinder Piston Seal Fits Caterpillar (Fits CAT) Construction Equipment

This aftermarket replacement hydraulic cylinder piston seal (Seal A) fits a wide range of Fits Caterpillar (Fits CAT) construction equipment. It is a two-piece step-cut piston seal consisting of a glass-filled polyamide outer sealing ring and a molded nitrile rubber energizer ring, designed to prevent oil transfer between the rod end and cap end of double-acting hydraulic cylinders.

Specifications

• Type: Step-cut piston seal (two-piece)
• Inner Diameter: 4.75 in (4-3/4 in)
• Groove Diameter: 4.09 in
• Groove Width: 0.252 in
• Bore Diameter: 4.75 in
• Outer ring material: Glass-filled polyamide
• Energizer material: 70 durometer Shore A nitrile (NBR)
• Application: Heavy-duty, double-acting hydraulic cylinders

Compatible Models

Fits Caterpillar Backhoe Loaders: 416C, 416D, 420D, 420E, 420F, 428C, 428D, 430D, 432D, 432E, 434E, 438C, 438D, 442D

Fits Caterpillar Compact Wheel Loaders: 910E

Fits Caterpillar Excavators: 345B II, 345B L, 345C, 345C L, 345D, 345D L, 349D, 349D L, 349E L, 349E L VG, 349F L

Fits Caterpillar Integrated Toolcarriers: IT18F, IT24F, IT28F, IT28G, IT38F, IT38G, IT38G II, IT38H

Fits Caterpillar Landfill Compactors: 816F, 816F II, 826G, 826G II, 826H

Fits Caterpillar Motor Graders: 24H, 24M

Fits Caterpillar Track Loaders: 953, 953B, 953C

Fits Caterpillar Track Skidders: 517, 527, D4HTSK II, D4HTSK III, D5HTSK II

Fits Caterpillar Track-Type Tractors: D5H, D5H XL, D5M, D5N, D7G, D7G2, D8L, D9N, D9R, D9T

Fits Caterpillar Wheel Dozers: 814F, 814F II, 824G, 824G II, 824H

Fits Caterpillar Wheel Harvesters: 550, 550B, 560B, 570, 570B, 580, 580B

Fits Caterpillar Wheel Loaders: 924G, 924GZ, 924HZ, 928F, 928G, 928HZ, 938F

Fits Caterpillar Wheel Scrapers: 615C

Fits Caterpillar Wheel Tractors: 611

Replaces Part Number(s):

4T8588, 5J4987

Aftermarket Interchange Numbers

4J3343, 5J4965, 5J4966, CTC-4T8588

New aftermarket replacement part - not remanufactured, not used.