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457420 OEM-Grade Replacement Coupling Assembly - CASE IH Hydraulic Quick Coupler

When your Case IH hydraulics start weeping or losing pressure at the connection, you don’t have time to wait on overpriced OEM markups or "universal" parts that don’t quite fit. The 457420 Replacement Coupling Assembly is a heavy-duty, direct-fit solution designed to restore a rock-solid seal to your machine’s hydraulic system.

This isn't just a generic coupler; it’s a precision-machined assembly built specifically for the high-flow demands of Case IH equipment. Whether you’re swapping implements in the field or doing a full system overhaul in the shop, this quick coupler is designed to handle the grit, heat, and constant pressure cycles that come with a long day of work.

    Why The Replacement Works:
    Direct Interchange: Designed to swap out seamlessly with OEM part #457420. No modifications or "making it fit" required.

    Built for the Field: Constructed from high-tensile steel with a corrosion-resistant finish, ensuring it doesn't seize up after a season in the mud.

    Zero-Leak Performance: Features internal seals rated for extreme pressure spikes, preventing the fluid loss that usually leads to costly downtime.

    Positive Engagement: The locking mechanism provides a tactile "snap" so you know you're connected, even when you're wearing heavy gloves or working in low light.

    Stop fighting with worn-out, leaking couplers that make hitching up a chore. This 457420 assembly gets your hydraulic lines back to factory-level performance so you can focus on the job at hand, not the puddle forming under your rear remotes.

    Part Name Coupling Assembly Part Number 457420
    Product Type Hydraulic Quick Coupler Compatible Brand Case IH
    Compatible Equipment Harvesting Equipment-CONVENTIONAL COMBINES Installation Interface Same as OEM coupler's
    Purpose Repair/replacement/aftermarket Origin China
    Quality OEM standard Package Standard industrial packing

    This 457420 Coupling Kit includes the following parts
    TYPE PART NUMBER DESCRIPTION
    KIT #47775180 DIA KIT, HARVESTER.

    MODEL NAME EQUIPMENT FITMENT PRODUCT TYPE PRODUCT LINE
    TX36 NH COMBINE 01/88 02/94 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES
    TX66 NH CONVENTIONAL COMBINE 06/93 12/05 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES
    TX68 NH CONVENTIONAL COMBINE 06/93 12/01 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES