Overview
The ZF 4657.130.108 is a precision-engineered internal component specifically designed for the WG160, WG190, and WG210 series transmissions. This OEM genuine part plays a critical role in the hydraulic control circuit, managing fluid flow to ensure consistent clutch engagement and smooth gear shifts. As a core element of the valve body assembly, the SKU 4657.130.108 directly influences transmission responsiveness and torque delivery. When installed alongside the 4656201085: HOUS.FRONT SECT, it forms a sealed unit that prevents cross-contamination between hydraulic circuits.
Symptoms of Failure
- Erratic shifting or delayed engagement – Worn sealing surfaces on the 4657.130.108 cause pressure loss, leading to harsh or delayed gear changes, especially under load.
- Transmission fluid leaks at the valve body – Degraded O-rings or housing cracks around this part produce visible drips near the transmission pan, often mistaken for pan gasket failure.
- Intermittent gear slipping in higher ranges – Internal wear reduces clamping force on clutches, causing the WG190 or WG210 to slip during acceleration or hill climbs.
- Erratic neutral-to-drive engagement – A failing 4657.130.108 can cause a noticeable lag or bump when shifting from park to drive, indicating insufficient hydraulic pressure.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4657.130.108 |
| Material | High-grade aluminum alloy with hardened steel insert |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 142 mm |
| Width | 68 mm |
| Height | 45 mm |
| Sealing Type | Integrated O-ring groove (compatible with 0634313603: O-RING) |
| Fastener Torque | 25 Nm (use 0636115293: 螺栓 for mounting) |
| Alignment Feature | Accepts 0631306816: CYLINDRICAL PIN for precise positioning |
Compatibility
This genuine ZF 4657.130.108 is engineered for the WG160, WG190, and WG210 series transmissions. It is also compatible with the WG180 and WG200 models when used with the correct 0634313603: O-RING kit. The part fits both standard and heavy-duty variants of these transmissions, including those found in construction equipment, agricultural machinery, and material handling vehicles. Always verify your transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656201085 | HOUS.FRONT SECT | Front housing section for valve body assembly |
| 0636115293 | 螺栓 | Mounting bolt for securing the valve body |
| 0634313603 | O-RING | Seal for hydraulic pressure integrity |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise component positioning |
| 4656301148 | FIXING PLATE | Retains valve body components in place |
| 0636100817 | CAP SCREW | High-tensile fastener for housing attachment |
| 4656301016 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4656301017 | SCREEN SHEET | Coarse mesh filter for debris protection |
| 0636100803 | CAP SCREW | Low-profile screw for confined spaces |
| 4656301047 | OIL FEED.HOUSG. | Distributes pressurized oil to clutch packs |
Frequently Asked Questions
Q: Can the 4657.130.108 be installed without replacing the O-rings?
A: It is strongly recommended to replace the 0634313603: O-RING during installation. Old seals may have hardened or developed micro-cracks, leading to immediate fluid bypass and pressure loss.
Q: How do I know if my WG190 transmission needs this part?
A: If you experience delayed engagement or fluid leaks near the valve body cover, the 4657.130.108 is a likely culprit. A pressure test showing below-spec readings in the clutch circuit confirms the diagnosis.
Q: Is the 4657.130.108 interchangeable between WG160 and WG210 models?
A: Yes, the part is physically identical across these series. However, always verify that the 0631306816: CYLINDRICAL PIN aligns correctly with your specific housing variant.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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