Overview
The ZF 0501.224.240 OIL DIPSTICK is a precision measurement tool engineered specifically for the WG 98 series transmission. This genuine OEM part provides accurate fluid level readings, ensuring optimal lubrication and hydraulic pressure within the gearbox assembly. Mounted directly into the TRANSMISSION HOUSING, the dipstick allows operators to verify oil condition and volume without disassembly. The SKU 0501.224.240 is manufactured to ZF’s exacting tolerances, featuring a clearly marked scale for quick assessment of transmission fluid levels during routine maintenance intervals.
Symptoms of Failure
- Transmission fluid seepage at the dipstick tube interface: A worn or cracked dipstick seal allows oil to escape, leading to low fluid levels and potential gearbox overheating.
- Inaccurate oil level readings causing gear slipping: When the dipstick’s markings fade or the shaft bends, operators misjudge fluid volume, resulting in insufficient lubrication and erratic shifting behavior.
- Contaminant ingress through a degraded dipstick cap: A loose or cracked cap permits dirt and moisture to enter the transmission, accelerating wear on internal components like the HOUSING II and valve body.
- Vibration-induced loosening of the dipstick assembly: Missing or damaged retaining features cause the dipstick to dislodge during operation, creating sudden oil loss and potential transmission damage.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 0501.224.240 |
| Overall Length | 320 mm (estimated) |
| Tube Outer Diameter | 8 mm |
| Material | Chrome-plated steel with nitrile O-ring |
| Weight | 0.12 kg |
| OEM Reference | ZF 0501.224.240 |
| Seal Type | Integrated O-ring (replacement: 0634100317: O-RING) |
| Fastener Torque | 25 Nm (cap screw: 0636103273: CAP SCREW) |
Compatibility
This dipstick is primarily designed for the ZF WG 98 series transmissions, including models WG98, WG120, WG150, WG180, and WG200. It interfaces directly with the HOUSING II and is secured using a CYLINDRICAL PIN for alignment. The part also fits select WG 80 variants when used with the appropriate FIXING PLATE. Always verify compatibility by checking the TYPE PLATE on your transmission housing before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101020 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4660301056 | HOUSING II | Secondary housing for valve body assembly |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing components |
| 0769123894 | TYPE PLATE | Identification plate with transmission specs |
| 0750100022 | SCREW PLUG | Seals oil drain/fill ports |
| 4660221031 | SUCTION TUBE | Oil pickup tube for pump |
| 0634100317 | O-RING | Seals dipstick tube connection |
| 0636103273 | CAP SCREW | Fastens dipstick to housing |
| 0634306311 | O-RING | Seals cap screw interface |
| 4660321029 | FIXING PLATE | Retains dipstick in position |
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