ZF 0730.002.630 WASHER for WG65 | OEM Genuine Part

Overview

The ZF 0730.002.630 WASHER for WG65 is a precision-engineered OEM genuine component designed to function as a critical sealing and load-distribution element within the valve body or clutch housing assembly of the WG 65 Series transmission. This hardened steel washer prevents fluid bypass and maintains correct axial clearance between mating surfaces, ensuring consistent hydraulic pressure regulation. The SKU 0730.002.630 is manufactured to ZF’s exacting tolerances, making it essential for maintaining the integrity of the transmission’s internal oil circuits. When installed alongside a TRANSMISSION HOUSING, this washer helps stabilize the assembly against vibration-induced wear.

Symptoms of Failure

• Intermittent gear slipping under load: A worn 0730.002.630 washer reduces clamping force on clutch packs, causing torque loss during acceleration.
• Low hydraulic pressure at the valve body: Deformation of the washer creates internal leakage paths, triggering diagnostic trouble codes for pressure faults.
• Metallic debris in the transmission pan: Spalling of the washer surface introduces fine steel particles that can damage bearings and bushings.
• Audible whining or knocking from the transmission housing: Excessive axial play due to washer thinning allows gear train components to shift out of alignment.

Technical Specifications

Compatibility

This washer is specifically designed for the ZF WG 65 Series, but its dimensional profile also suits the WG180, WG200, and WG210 transmission families when used in valve body or clutch piston applications. Always verify fitment by cross-referencing the 0730.002.630 against your transmission’s parts manual. The washer is commonly replaced during overhaul of the HEXAGON SCREW assemblies that secure the valve body to the transmission housing. For complete sealing integrity, pair this washer with a new HEXAGON SCREW and HEXAGON SCREW to ensure proper torque retention.

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