Overview
The ZF 4651.131.008 OIL DIPSTICK is a precision-engineered fluid level indicator specifically designed for the WG100 series transmission. This OEM genuine part sits within the transmission housing, providing a direct, sealed access point for checking and maintaining optimal oil levels. The dipstick ensures that the transmission operates within its correct hydraulic fluid range, preventing both low-fluid damage and overfill conditions. The SKU 4651.131.008 is manufactured to ZF’s exacting tolerances, guaranteeing a perfect fit and reliable seal when installed into the 4651101006 TRANSMISSION HOUSING.
Symptoms of Failure
- Oil leaks around the dipstick tube: A worn or cracked dipstick seal can cause transmission fluid to seep out, leaving puddles under the vehicle. This is a common issue when the O-ring or the dipstick body degrades.
- Inaccurate fluid level readings: If the dipstick becomes bent, corroded, or the markings fade, you may get false low or high readings, leading to improper fluid levels and potential gear slipping.
- Contaminated transmission fluid ingress: A failed dipstick seal allows dirt and moisture to enter the transmission, accelerating wear on internal components like the 4651301034 HOUSING.
- Difficulty inserting or removing the dipstick: Physical damage to the dipstick handle or tube can make routine checks frustrating and risk damaging the 0634303928 O-RING seal.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4651.131.008 |
| Material | Steel with corrosion-resistant coating |
| Overall Length | Approx. 320 mm |
| Weight | 0.12 kg |
| OEM Reference | ZF 4651.131.008 |
| Seal Type | Integrated O-ring groove |
| Compatible Housing | 4651301013 HOUSING |
Compatibility
This oil dipstick is primarily engineered for the ZF WG100 series transmission. It is also compatible with the WG180, WG200, and WG210 models that share the same dipstick tube interface and housing geometry. Always verify your transmission model and housing part number before installation. For transmissions using the 4651101006 TRANSMISSION HOUSING, this dipstick provides a direct OEM replacement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101006 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4651301034 | HOUSING | Secondary housing for valve body or clutch pack |
| 0634303928 | O-RING | Seals dipstick tube to housing |
| 4651301013 | HOUSING | Oil pan or filter housing component |
| 4651301015 | SCREEN SHEET | Filter mesh for oil intake |
| 4651301035 | SCREEN SHEET | Secondary filter screen |
| 0630361028 | SEALING CAP | Closes unused ports |
| 4475280060 | SCREW PLUG | Drain or fill plug |
| 0634303312 | O-RING | Seals screw plug |
| 0630361063 | SEALING CAP | High-temp sealing cap |
