Overview
The ZF 0501.298.298 SEAL KIT (SKU: 0501.298.298) is a critical OEM genuine maintenance component designed to restore hydraulic integrity within ZF WG-series transmissions. This kit contains all necessary seals, gaskets, and O-rings required to reseal the transmission housing assembly, specifically targeting the interfaces between the main casing and the HOUS.FRONT SECT and the HOUSING REAR PART. By replacing worn elastomers, this kit prevents fluid migration between the torque converter, clutch packs, and planetary gear sets, ensuring consistent hydraulic pressure for smooth shifting. The 0501.298.298 seal kit is engineered to ZF factory tolerances, making it the preferred choice for rebuilds of WG115, WG130, and WG158 units.
Symptoms of Failure
- External oil leaks at housing joints: Visible fluid weeping or drips around the mating surfaces of the TRANSMISSION HOUSING and rear cover indicate degraded seals in the 0501.298.298 kit.
- Erratic or delayed gear engagement: Worn seals allow internal pressure loss, causing soft shifts or hesitation when selecting forward or reverse gears.
- Transmission overheating: Leaking seals reduce lubrication flow to bearings and clutches, leading to elevated operating temperatures and potential thermal damage.
- Fluid contamination from external debris: Failed seals at the HOUSING REAR PART interface can allow dirt and moisture to enter the transmission, accelerating wear on internal components.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 0501.298.298 |
| Material Composition | Nitrile rubber (NBR) & fluorocarbon (FKM) elastomers |
| Kit Contents | 12 seals, 6 O-rings, 4 gaskets |
| Weight | 0.35 kg (0.77 lbs) |
| Operating Temperature Range | -40°C to +150°C (-40°F to +302°F) |
| Pressure Rating | Up to 20 bar (290 psi) |
| OEM Reference | ZF 0501.298.298 |
Compatibility
This seal kit is specifically engineered for ZF WG-series transmissions, including the WG115, WG130, WG158, WG160, WG200, and WG210 models. It is also suitable for the WG180 and WG190 variants when used with the appropriate HOUSING REAR PART configuration. The 0501.298.298 kit is a direct replacement for original equipment seals in both on-highway and off-highway applications, including buses, trucks, and construction machinery equipped with these ZF power shift transmissions.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101037 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201075 | HOUS.FRONT SECT | Front section housing torque converter |
| 4656201035 | HOUSING REAR PART | Rear cover for output shaft assembly |
| 4472239178 | HOUSING REAR PART | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 4656301148 | FIXING PLATE | Secures seal kit components in place |
| 0636100817 | CAP SCREW | Fastener for housing sections |
| 4656301016 | SCREEN SHEET | Filter screen for oil return circuit |
| 4656301017 | SCREEN SHEET | Secondary filter screen variant |
| 0636100803 | CAP SCREW | Bolt for rear housing attachment |
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