Overview
The ZF 0636.610.082 STUD is a precision-engineered locating and fastening component specifically designed for the WG 65 Series transmission assembly. This OEM genuine part, identified by SKU 0636.610.082, serves as a critical alignment pin that secures the transmission housing to the bell housing or adapter plate, ensuring concentricity and preventing axial movement under high torque loads. Manufactured to ZF’s exacting tolerances, this stud provides the necessary clamping force to maintain the structural integrity of the drivetrain interface, directly supporting the TRANSMISSION HOUSING during operation.
Symptoms of Failure
- Transmission-to-engine misalignment causing vibration: When the 0636.610.082 stud wears or shears, the transmission can shift relative to the engine, leading to noticeable driveline shudder during acceleration or deceleration.
- Oil seepage at the bell housing joint: A compromised stud allows the housing to separate slightly, breaking the seal and causing slow ATF leaks that leave residue on the underside of the transmission.
- Abnormal gear engagement noise: Loss of stud integrity permits the input shaft to misalign with the torque converter, producing a distinct clunking or grinding sound when shifting between forward and reverse.
- Premature bearing wear in the WG65: Chronic misalignment from a failed stud accelerates wear on the main shaft bearings, often requiring a full rebuild if not addressed promptly.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0636.610.082 |
| Material | High-tensile alloy steel, heat-treated |
| Thread Size | M16 x 1.5 (estimated) |
| Overall Length | 85 mm (estimated) |
| Thread Length | 45 mm (estimated) |
| Weight | 0.12 kg (estimated) |
| OEM Reference | ZF 0636.610.082 |
| Finish | Zinc-plated, corrosion-resistant |
Compatibility
This ZF 0636.610.082 STUD is a core component of the WG 65 Series transmission family. It is directly compatible with the following ZF models: WG65, WG80, WG120, WG150, WG180, and WG200. The stud is used in conjunction with several fasteners that secure the assembly, including the HEXAGON SCREW (0636011038) for the main housing, the HEXAGON SCREW (0636011118) for the adapter plate, and the HEXAGON SCREW (0636016015) for the oil pan flange. Always verify your transmission serial number before ordering to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101059 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 0636011038 | HEXAGON SCREW | Secures housing to bell housing |
| 0636011118 | HEXAGON SCREW | Fastens adapter plate to transmission |
| 0636016015 | HEXAGON SCREW | Bolts oil pan to lower housing |
| 0631306085 | CYLINDRICAL PIN | Aligns housing halves during assembly |
| 0634313118 | O-RING | Seals hydraulic passages in valve body |
| 0636304019 | SCREW PLUG | Closes oil drain or test ports |
| 0634801152 | SEALING RING | Prevents leaks at plug interfaces |
| 0732611049 | FILTER INSERT | Traps debris in lubrication circuit |
| 0634303718 | O-RING | Seals filter housing to cover |
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