Overview
This genuine OEM ZF 0501.327.528 wave spring is a precision-engineered component designed to maintain consistent axial tension within the differential assembly of heavy-duty ZF transmissions. Specifically engineered for the WG100, WG130, and WG131 series, this spring absorbs vibration and compensates for thermal expansion, ensuring that critical gear sets remain properly loaded under varying torque loads. The SKU 0501.327.528 sits directly between the differential housing and the side gears, providing the preload necessary to prevent backlash and extend the service life of adjacent components such as the DIFFERENTIAL HOUSING and the DIFFERENTIAL assembly.
Symptoms of Failure
- Intermittent gear slipping under load – When the wave spring loses its temper, axial preload drops, allowing the differential gears to momentarily disengage during heavy acceleration or hill climbs.
- Low-frequency whining or clunking from the differential – A worn 0501.327.528 permits excessive gear float, producing a rhythmic metallic noise that intensifies with vehicle speed.
- Premature wear of the taper roller bearing – Loss of spring tension forces the TAPER ROLLER BEARING to absorb shock loads it was not designed for, accelerating bearing fatigue.
- Oil contamination with metallic debris – As the wave spring fatigues, micro-fractures release fine steel particles into the transmission fluid, visible during routine drain intervals.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.327.528 |
| Material | High-carbon spring steel (DIN 17222) |
| Outer Diameter | 68.5 mm |
| Inner Diameter | 52.0 mm |
| Free Height | 4.2 mm |
| Number of Waves | 3.5 |
| Weight | 18 grams |
| OEM Reference | ZF 0501.327.528 |
| Surface Treatment | Phosphate & oil |
Compatibility
This wave spring is a direct OEM replacement for ZF transmissions in the WG100, WG130, and WG131 series. It also fits select WG180 and WG200 variants where the differential assembly uses the same axial preload design. Always verify the part number 0501.327.528 against your transmission’s parts manual. When rebuilding the differential, it is common practice to replace this spring alongside the DIFFERENTIAL and the DIFFERENTIAL HOUSING to ensure proper load distribution.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on the differential |
| 2093209023 | DIFFERENTIAL | Alternate differential assembly for WG series |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and supports differential gears |
| 0631329088 | SPRING PIN | Secures shift fork or actuator linkage |
| 5838300811 | THRUST WASHER | Reduces axial friction between rotating gears |
| 5838300721 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 5838300633 | AXLE | Connects differential to wheel hubs |
| 5838300753 | THRUST WASHER | Controls side gear end-play |
| 5838300818 | THRUST WASHER | Provides low-friction surface for pinion gears |
Frequently Asked Questions
Q: Can I reuse the old wave spring if it looks intact?
A: No. Wave springs lose their temper over time due to cyclic loading. Even if the spring appears undamaged, its preload force will have degraded, leading to premature gear wear. Always replace the 0501.327.528 during any differential overhaul.
Q: Does this part fit the ZF WG180 transmission?
A: Yes, the 0501.327.528 is compatible with WG180 and WG200 models that use the same differential carrier design. However, always cross-reference your transmission serial number with the OEM parts catalog to confirm fitment.
Q: What tools are needed to install this wave spring?
A: Installation requires a bearing press or a specialized wave spring compressor. Do not use hammer blows, as they can distort the spring’s wave profile and reduce its service life.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
