Overview
The ZF 0636.302.024 SCREW PLUG is a critical sealing component engineered specifically for the WG180 series transmission. This OEM genuine part functions as a threaded closure within the transmission housing, preventing fluid loss and maintaining internal pressure integrity. The SKU 0636.302.024 is designed to fit precisely into designated ports on the main casing, where it interfaces with adjacent assemblies such as the 4108101057 HOUSING and the 4108201177 HOUSING to secure lubrication pathways. Its robust construction ensures a leak-proof seal under high-vibration conditions typical of heavy-duty industrial transmissions.
Symptoms of Failure
When the ZF 0636.302.024 SCREW PLUG wears out or becomes damaged, operators may encounter several distinct failure modes. Oil seepage around the plug threads is the most common symptom, often visible as wet residue on the transmission exterior. Gradual fluid level drop without visible external puddles can indicate a slow leak through a compromised plug seal. Increased gear engagement noise may occur if insufficient oil pressure results from fluid loss, leading to harsh shifting. Contamination ingress is another risk, where a degraded plug allows dirt or moisture to enter the system, accelerating wear on internal components like the 4108301304 BEARING COVER.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0636.302.024 |
| Thread Size | M24 x 1.5 (estimated) |
| Overall Length | 22 mm (estimated) |
| Head Diameter | 30 mm (estimated) |
| Material | Steel with zinc-nickel coating |
| Weight | 0.04 kg (estimated) |
| OEM Reference | ZF 0636.302.024 |
| Sealing Type | Thread sealant pre-applied |
Compatibility
This screw plug is primarily designed for the ZF WG180 series transmissions, where it is used in oil drain and fill ports. It is also compatible with the WG200 series due to shared housing designs. The part fits directly into threaded bores of the 0636302056 SCREW PLUG type, though the 0636.302.024 variant offers a different thread pitch for specific applications. Always verify thread compatibility with your transmission model before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101057 | HOUSING | Main transmission casing section |
| 4108201177 | HOUSING | Secondary casing section for gear assembly |
| 0636302056 | SCREW PLUG | Alternate thread plug for different ports |
| 4108301304 | BEARING COVER | Seals bearing cavity from contamination |
| 4108306173 | GASKET | Provides sealing between housing surfaces |
| 0750110040 | SHAFT SEAL | Prevents oil leakage at rotating shafts |
| 6053108155 | CONTROL COVER | Houses valve body and control components |
| 6053308348 | CONTROL COVER | Alternate cover for different control configurations |
| 0636010188 | HEXAGON SCREW | Fastener for securing housing sections |
| 0636010192 | HEXAGON SCREW | Larger fastener for high-torque applications |
