ZF 0636.020.263 HEXAGON SCREW for WG210 | OEM Genuine Part

Overview

The ZF 0636.020.263 HEXAGON SCREW is a critical fastening component engineered specifically for the WG 210 series transmission assembly. This OEM genuine part secures the TRANSMISSION HOUSING to the internal gear train, ensuring precise alignment under high-torque conditions. Manufactured to ZF’s exacting tolerances, the SKU 0636.020.263 serves as a load-bearing fastener within the clutch pack and planetary gear sections. Its hexagonal head design allows for accurate torque application during installation, preventing loosening from vibration. This screw is a direct replacement for worn or stripped fasteners in the WG210 platform.

Symptoms of Failure

• Transmission oil seepage around housing joints — A loose or stripped 0636.020.263 screw can compromise the seal between the HOUS.FRONT SECT and the main casing, leading to visible fluid drips.
• Audible rattling or clunking during gear shifts — When this hexagon screw loses clamping force, internal components shift, causing metallic noises during acceleration or deceleration.
• Intermittent gear slipping under load — A failure to maintain proper tension on the HOUSING REAR PART can result in misaligned shafts, reducing power transfer efficiency.
• Increased backlash in the drivetrain — Worn threads on the screw allow micro-movement, leading to delayed engagement and rough shifting patterns.

Technical Specifications

Compatibility

This hexagon screw is primarily designed for the ZF WG 210 series transmissions. Based on its thread pattern and application, it is also compatible with the WG180, WG200, and WG250 models that share the same housing architecture. The part interfaces directly with the CYLINDRICAL PIN alignment system to ensure concentric assembly. For cross-reference, verify your transmission’s serial number against the ZF parts catalog. This screw is not interchangeable with standard metric bolts due to its specific head height and thread pitch.

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