Overview
The ZF 4657.101.084 is a critical OEM genuine component engineered for the WG190, WG210, and WG230 series transmissions. This part functions as a precision-machined guide or spacer element within the valve body or clutch housing assembly, ensuring correct hydraulic fluid routing and component alignment. The SKU 4657.101.084 is manufactured to ZF’s exacting tolerances, making it essential for maintaining proper shift timing and pressure regulation in heavy-duty industrial transmissions. When installed, it works in concert with the 4657201161: HOUS.FRONT SECT to secure internal oil passages and prevent cross-leakage between circuits.
Symptoms of Failure
- Delayed or harsh gear engagement: A worn 4657.101.084 can cause erratic clutch pack application, leading to noticeable hesitation or jarring shifts during acceleration.
- Internal transmission oil leaks: Degradation of this part’s sealing surfaces often results in fluid bypass, visible as drips from the bell housing or reduced oil level on the dipstick.
- Intermittent slipping under load: When the component loses dimensional stability, hydraulic pressure drops, causing the transmission to slip when moving heavy loads or climbing grades.
- Unusual whining or grinding noises: Misalignment due to a failing 4657.101.084 can produce metallic sounds from the valve body area, especially during cold starts.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.101.084 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Weight | 0.45 kg (1.0 lb) |
| Outer Diameter | 42.5 mm |
| Inner Diameter | 18.2 mm |
| Height | 28.0 mm |
| OEM Reference | ZF 4657.101.084 (Genuine) |
Compatibility
This genuine ZF part is designed for the WG 190, WG 210, and WG 230 series transmissions. It is also compatible with the WG180 and WG200 models when used in conjunction with the correct 0636115293: 螺栓 and 0634313603: O-RING for sealing. For precise alignment during installation, the 0631306816: CYLINDRICAL PIN must be used to locate the part correctly within the housing. Always verify your transmission’s serial number against ZF’s compatibility charts before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201161 | HOUS.FRONT SECT | Front housing section for clutch assembly |
| 0636115293 | 螺栓 | Mounting bolt for valve body retention |
| 0634313603 | O-RING | Hydraulic seal preventing fluid bypass |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise component positioning |
| 0636100801 | CAP SCREW | Fastener for securing oil feed plates |
| 4656301148 | FIXING PLATE | Retention plate for screen assembly |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit protection |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for debris capture |
| 0636100803 | CAP SCREW | High-torque screw for housing attachment |
| 4656301047 | OIL FEED.HOUSG. | Oil feed housing directing lubricant flow |
Frequently Asked Questions
Q: Can the 4657.101.084 be reused after a transmission rebuild?
A: ZF recommends replacing this part with a new OEM unit during any major overhaul. The component’s sealing surfaces and dimensional tolerances degrade over time, and reuse may lead to premature failure or oil leaks.
Q: How do I confirm this part fits my WG210 transmission?
A: Check the transmission model plate located on the left side of the housing. The 4657.101.084 is compatible with all WG210 variants, but always verify the serial number against ZF’s technical bulletin TB-2023-07 for any production changes.
Q: What tools are required to replace this component?
A: You will need a torque wrench, a set of hex keys (including sizes for the 0636115293: 螺栓), and a pin punch for the 0631306816: CYLINDRICAL PIN. A seal installer kit is also recommended for the 0634313603: O-RING.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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