Overview
The ZF 0501.298.297 SEAL KIT is a critical OEM genuine service component designed to restore hydraulic integrity in WG115, WG130, and WG158 transmissions. This comprehensive kit contains all necessary elastomeric seals, gaskets, and O-rings required to reseal the transmission housing assembly. The SKU 0501.298.297 is specifically engineered to prevent fluid migration between the TRANSMISSION HOUSING and the HOUS.FRONT SECT, ensuring proper pressure retention for clutch pack actuation and lubrication circuits. This seal kit directly interfaces with the HOUSING REAR PART and the HOUSING REAR PART to create a leak-free boundary between high-pressure oil galleries and the external environment.
Symptoms of Failure
- External oil seepage at housing mating surfaces – Visible fluid accumulation around the joint between the transmission housing and rear housing sections indicates degraded seals in the 0501.298.297 kit.
- Erratic gear engagement or delayed shifts – Worn seals allow internal pressure loss, causing clutch packs to slip or engage unpredictably during load changes.
- Low transmission fluid level without visible external leaks – Internal cross-leakage between circuits can force fluid into the torque converter housing, masking the leak source.
- Contaminated fluid with metallic debris – Failed seals permit abrasive particles to bypass filtration, accelerating wear on bearings and planetary gearsets.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 0501.298.297 |
| Kit Contents | 12 O-rings, 4 shaft seals, 2 gaskets, 6 backup rings |
| Material Composition | Nitrile rubber (NBR) / FKM (Viton) for high-temperature zones |
| Operating Temperature Range | -40°C to +150°C (-40°F to +302°F) |
| Pressure Rating | Up to 20 bar (290 psi) static |
| Weight (kit) | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 0501.298.297 |
Compatibility
This seal kit is engineered for ZF WG-series powershift transmissions used in industrial vehicles and construction equipment. Confirmed compatibility includes: WG115, WG130, WG158, WG160, WG180, WG200, and WG210 series. The 0501.298.297 kit is also suitable for select WG120 variants with identical housing bolt patterns. Always verify housing casting numbers against the TRANSMISSION HOUSING and HOUS.FRONT SECT to confirm fitment before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101037 | TRANSMISSION HOUSING | Main structural casing containing gear train |
| 4656201075 | HOUS.FRONT SECT | Front section housing torque converter and pump |
| 4656201035 | HOUSING REAR PART | Rear housing for output shaft and PTO interface |
| 4472239178 | HOUSING REAR PART | Alternate rear housing variant for WG158 |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing centering |
| 4656301148 | FIXING PLATE | Retains seal kit components in position |
| 0636100817 | CAP SCREW | M10 bolt for housing fastening |
| 4656301016 | SCREEN SHEET | Fine mesh filter for oil return circuit |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for pump intake |
| 0636100803 | CAP SCREW | M8 bolt for accessory mounting |
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