Overview
The ZF 4616.301.101 OIL DIPSTICK is a precision-engineered fluid level indicator specifically designed for the WG65 series transmission. This OEM genuine part sits within the transmission housing assembly, providing operators with a reliable method to verify oil levels without disassembly. The dipstick integrates directly into the main casing, allowing for quick visual confirmation of lubricant volume. When paired with a secure TRANSMISSION HOUSING, this component ensures accurate readings under varying operating conditions. The SKU 4616.301.101 is manufactured to ZF’s exacting tolerances, guaranteeing a perfect seal and consistent performance in heavy-duty industrial applications.
Symptoms of Failure
- Transmission oil leak at dipstick tube – A worn or cracked dipstick often causes fluid to seep around the insertion point, leading to gradual oil loss and potential contamination.
- Inaccurate oil level readings – When the dipstick’s markings fade or the shaft becomes distorted, operators may overfill or underfill the transmission, resulting in gear slipping or overheating.
- Brittle or broken dipstick handle – Repeated thermal cycling can cause the plastic or metal handle to fracture, making it impossible to extract the dipstick without tools.
- Contaminated transmission fluid – A compromised seal at the dipstick base allows dirt and moisture to enter the system, accelerating wear on internal components like the HEXAGON SCREW fasteners.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.301.101 |
| Material | Stainless steel shaft with reinforced polymer handle |
| Overall Length | 320 mm (12.6 in) |
| Dipstick Tube Diameter | 8 mm (0.31 in) |
| Weight | 0.12 kg (0.26 lbs) |
| OEM Reference | ZF 4616.301.101 |
| Sealing Method | Integrated O-ring at base |
Compatibility
This dipstick is engineered for the ZF WG65 series, but its design principles extend to several other ZF transmission models that share similar housing configurations. Compatible transmissions include the WG180, WG200, WG250, and WG300 series, all of which utilize the same dipstick port geometry. For installations requiring additional sealing, consider the HOUSING variant 4616301307 or the HOUSING variant 4616301309, which provide compatible mounting points. Always verify the dipstick length against your specific transmission model to ensure proper engagement with the oil pan.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101066 | TRANSMISSION HOUSING | Main casing that encloses gear sets and supports dipstick tube |
| 0636011118 | HEXAGON SCREW | Secures housing components with precise torque |
| 4616301307 | HOUSING | Alternate casing variant for specific WG series |
| 4616301309 | HOUSING | Extended housing option for deep sump configurations |
| 0636011038 | HEXAGON SCREW | M8 fastener for dipstick bracket attachment |
| 0636016015 | HEXAGON SCREW | M10 bolt for transmission cover plate |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0634313118 | O-RING | Seals dipstick tube to prevent fluid leaks |
| 0636304019 | SCREW PLUG | Closes unused dipstick ports during service |
| 0634801152 | SEALING RING | Copper washer for screw plug sealing |
