Overview
The ZF 4657.054.050 is a critical OEM genuine component engineered specifically for the WG 210 Series transmission. This precision-machined part serves as a key interface within the hydraulic control system, regulating fluid flow and pressure to ensure smooth gear engagement and torque converter lock-up. As an integral element of the valve body assembly, the SKU 4657.054.050 works in concert with the TRANSMISSION HOUSING to maintain proper oil circulation and shift timing. Without this part, the transmission cannot achieve the precise hydraulic modulation required for reliable operation under heavy-duty industrial loads.
Symptoms of Failure
- Delayed or harsh shifting: When the 4657.054.050 wears, operators often report a noticeable lag between gear changes or abrupt engagement, particularly when the transmission is cold. This is a common search query for “ZF WG210 hard shift causes.”
- Intermittent gear slipping under load: A worn part can cause pressure loss, leading to the transmission momentarily losing drive power during uphill climbs or heavy hauling—often searched as “ZF transmission slipping under load.”
- Hydraulic fluid contamination: Internal degradation of this component can shed debris into the oil circuit, visible as metallic particles on the dipstick or filter. This symptom is frequently queried as “metal shavings in ZF transmission fluid.”
- Erratic torque converter lock-up: Failure may prevent the converter from locking properly, resulting in elevated RPMs at highway speeds and increased fuel consumption—a known issue for “ZF WG210 torque converter not locking.”
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.054.050 |
| Material | Hardened steel alloy with corrosion-resistant coating |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 142 mm |
| Width | 38 mm |
| Height | 25 mm |
| OEM Reference | ZF 4657.054.050 (Genuine) |
| Operating Temperature Range | -40°C to +120°C |
| Seal Type | Integrated O-ring groove (O-ring not included) |
Compatibility
This OEM genuine part is primarily designed for the ZF WG 210 Series transmissions. Based on its design and hydraulic function, it is also compatible with the following ZF transmission models that share the same valve body architecture: WG180, WG200, WG211, and WG220. It is commonly used in industrial applications such as forklifts, airport ground support equipment, and heavy-duty mobile machinery. For proper installation, this part must be aligned with the HOUS.FRONT SECT and the HOUSING REAR PART to ensure correct fluid routing. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing that encloses all internal components |
| 4657201027 | HOUS.FRONT SECT | Front section housing that supports the torque converter and pump |
| 4657201012 | HOUSING REAR PART | Rear housing section that contains the output shaft and PTO mount |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for precise positioning of housing sections |
| 0636100801 | CAP SCREW | Fastener for securing valve body components |
| 4656301148 | FIXING PLATE | Retaining plate for securing internal oil passages |
| 4657301032 | SCREEN SHEET | Fine mesh filter for primary oil circuit debris removal |
| 4657301033 | SCREEN SHEET | Secondary filter screen for high-pressure oil circuits |
| 0636100803 | CAP SCREW | High-tensile bolt for housing assembly |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing that directs lubricant to bearings and gears |
Frequently Asked Questions
Q: Can the 4657.054.050 be installed without removing the transmission from the vehicle?
A: In most cases, yes. This part is accessible after removing the transmission oil pan and valve body cover. However, you must first detach the HOUS.FRONT SECT to access the mounting bolts. Always consult your ZF service manual for specific clearance requirements.
Q: How often should this part be replaced during a WG210 overhaul?
A: ZF recommends replacing the 4657.054.050 during any major transmission rebuild or when the TRANSMISSION HOUSING is replaced. It is considered a wear item due to constant hydraulic pressure cycling and should be inspected every 3,000 operating hours.
Q: What is the difference between this OEM part and aftermarket alternatives?
A: OEM genuine parts like the 4657.054.050 are manufactured to ZF’s exact metallurgical and dimensional tolerances. Aftermarket versions often use softer steel alloys that can deform under high pressure, leading to premature failure of the CYLINDRICAL PIN and surrounding bores.
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Phone: +86 158 2286 3467 |
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