OEM Piston Replaces 420634A1 #285932A1 - OEM Service Replacement for Case Construction Equipment Repair For OEM-equivalent repair results, this replacement part addresses service wear, damaged originals, and failure-related maintenance work while serving direct replacement of failed parts to return equipment to working condition. Used in repair departments handling maintenance repair part, OEM service replacement, and equipment restoration component requirements. More Details Part Number: 285932A1 Application: Common service application: Direct-fit service part for restoring equipment function during maintenance, replacement, and repair work on Case construction equipment. Key Features: OEM replacement part intended for repair and maintenance service Helps restore proper fit, function, and dependable operation after wear or damage Direct-fit design for efficient installation during heavy equipment repair Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering Replaces: Refer to manufacturer cross-reference if applicable