Overview
The ZF 4657.183.419 is a precision-engineered OEM genuine component designed specifically for the WG190 and WG210 series transmissions. This part functions as a critical internal guide and sealing element within the valve body or clutch housing assembly, ensuring proper hydraulic fluid routing and pressure regulation. As a genuine ZF part, the SKU 4657.183.419 guarantees exact fitment and durability under high-torque industrial applications. It sits directly adjacent to the HOUS.FRONT SECT (4657201161), working in tandem to maintain structural integrity and fluid channel alignment.
Symptoms of Failure
- Erratic gear engagement or delayed shifting: When the 4657.183.419 wears, internal fluid pressure drops, causing hesitation between gear changes.
- External oil seepage near the front housing: A compromised seal leads to visible leaks around the mating surface, often mistaken for a gasket failure.
- Transmission overheating under load: Reduced hydraulic efficiency forces the system to work harder, generating excess heat.
- Whining or grinding noises during acceleration: Metal-on-metal contact occurs if the part fractures, contaminating the oil with debris.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4657.183.419 |
| Material | Hardened steel with nitrile coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 145 mm x 38 mm x 22 mm |
| OEM Reference | ZF 4657.183.419 |
| Operating Temperature Range | -40°C to +120°C |
| Thread Pitch (if applicable) | M8 x 1.25 |
Compatibility
This OEM genuine part is engineered for the ZF WG190 and WG210 transmission families. It is also compatible with the WG180, WG200, and select WG150 variants that share the same valve body architecture. The 4657.183.419 interfaces directly with the 螺栓 (0636115293) fasteners and requires a fresh O-RING (0634313603) during reinstallation to prevent leaks. Additionally, the CYLINDRICAL PIN (0631306816) must be inspected for wear when replacing this component.
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 | Sealing ring for hydraulic pressure |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise assembly |
| 0636100801 | CAP SCREW | Fastener for oil feed housing |
| 4656301148 | FIXING PLATE | Retains screen sheets in position |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil debris |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | Secondary bolt for screen cover |
| 4656301047 | OIL FEED.HOUSG. | Distributes oil to planetary gears |
Frequently Asked Questions
Q: Can the 4657.183.419 be reused after removal?
A: No. This is a wear-critical component. ZF recommends always replacing it with a new OEM genuine part to ensure proper sealing and alignment.
Q: Does this part require special tools for installation?
A: Standard torque wrenches and a press tool are sufficient. However, the CYLINDRICAL PIN (0631306816) must be driven in with a brass drift to avoid deformation.
Q: What is the typical lifespan of the 4657.183.419?
A: In normal industrial duty cycles, it lasts 300,000 to 500,000 km. Harsh environments or contaminated oil will reduce this significantly.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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