Overview
The ZF 0730.308.108 SNAP RING is a critical retention component engineered specifically for the WG190 and WG210 series transmissions. This OEM genuine part secures internal assemblies—such as planetary gear sets and bearing packs—within the main housing, preventing axial movement under high torque loads. The SKU 0730.308.108 is precision-machined to maintain exacting tolerances, ensuring that the transmission’s rotating elements remain properly aligned during operation. Without this snap ring, the structural integrity of the gear train is compromised, leading to premature wear of adjacent components like the TRANSMISSION HOUSING and the HOUS.FRONT SECT.
Symptoms of Failure
When the ZF 0730.308.108 snap ring fatigues or breaks, operators often notice distinct mechanical issues. Oil leaks from the transmission housing seam occur because the ring no longer holds the HOUSING REAR PART securely in place. Gear slipping under load is another common symptom, as axial play allows clutch packs to disengage intermittently. Unusual metallic rattling or grinding noises during gear changes indicate that the snap ring has dislodged, allowing components to contact the HOUSING REAR SECTION. Finally, difficulty engaging reverse gear often points to a failed snap ring in the output shaft area.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.308.108 |
| Material | Spring Steel (Carbon Alloy) |
| Inner Diameter | 108 mm |
| Outer Diameter | 120 mm |
| Thickness | 3.5 mm |
| Weight | 0.04 kg |
| OEM Reference | ZF 0730.308.108 |
| Finish | Phosphate Coated |
Compatibility
This snap ring is a direct fit for ZF WG190 and WG210 series transmissions. It also serves the BP 210 and BP 230 series, which share identical housing geometries. While primarily designed for these four model families, the 0730.308.108 can be used in WG180 and WG200 units when replacing the TRANSMISSION HOUSING or the HOUS.FRONT SECT. Always verify the snap ring groove condition in the HOUSING REAR PART before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101088 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201183 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657201184 | HOUSING REAR PART | Rear housing segment for output shaft |
| 4657298111 | HOUSING REAR SECTION | End cap housing section |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for housing bolts |
| 4681301015 | FIXING PLATE | Secures snap ring in groove |
| 4681301016 | SCREEN SHEET | Filter screen for oil flow |
| 4681301017 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Bolt for rear housing attachment |
Frequently Asked Questions
Q: Can the 0730.308.108 snap ring be reused after removal?
A: No. This snap ring is a single-use component. Reusing it risks loss of tension, which can lead to gear train dislodgement and damage to the TRANSMISSION HOUSING.
Q: How do I know if my WG210 needs this snap ring replaced?
A: If you detect axial play in the output shaft or hear a clicking noise when shifting from neutral to drive, inspect the snap ring groove in the HOUSING REAR PART for wear.
Q: Is this part compatible with the BP 230 series?
A: Yes. The 0730.308.108 is listed under BP 230 series categories and fits the same housing bore as the WG190/WG210 units.
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Phone: +86 158 2286 3467 |
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