Overview
The ZF 4657.183.389 LOOSE PARTS for WG210 is a critical service kit designed to restore the internal integrity of your ZF WG210 series transmission. This genuine OEM part number 4657.183.389 includes the specific fasteners, seals, and retention components necessary for securing the main housing assemblies during a rebuild or overhaul. It sits at the interface between the TRANSMISSION HOUSING and the HOUS.FRONT SECT, ensuring a leak-proof, vibration-resistant connection that maintains proper gear alignment and hydraulic pressure. Without this loose parts set, the structural integrity of the entire gear train is compromised.
Symptoms of Failure
When the components within the 4657.183.389 LOOSE PARTS kit begin to fail, operators will notice distinct performance degradation. External oil seepage at the housing joint is the most common indicator, often appearing as a slow drip around the mid-case seam. Intermittent gear slipping under load occurs when fasteners loosen, allowing the HOUSING REAR PART to shift slightly, disrupting clutch pack engagement. Abnormal metallic rattling or knocking from the transmission bell housing signals that retention hardware has fatigued. Finally, erratic shift timing—where the transmission hesitates or slams into gear—can be traced back to loose structural elements that alter valve body alignment.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.183.389 |
| Kit Contents | Fasteners, seals, retention clips, locating pins |
| Material Grade | Steel (zinc-plated) / Nitrile rubber (seals) |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Torque Specification | 45 Nm (33 ft-lb) for cap screws |
| Operating Temperature Range | -40°C to +120°C |
| OEM Reference | ZF WG210 Series |
Compatibility
This genuine ZF 4657.183.389 LOOSE PARTS kit is engineered specifically for the WG210 transmission series. It is also compatible with the WG180 and WG200 series when used in conjunction with the correct HOUSING REAR SECTION. The kit supports all WG210 variants, including standard-duty and heavy-duty configurations found in construction, agricultural, and material handling equipment. Always verify the housing casting numbers before installation to ensure proper fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201168 | HOUSING REAR PART | Rear housing section for output assembly |
| 4657298101 | HOUSING REAR SECTION | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 fastener for housing retention |
| 4656301148 | FIXING PLATE | Locking plate for fastener security |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for suction line |
| 0636100803 | CAP SCREW | M12 fastener for heavy-duty joints |
Frequently Asked Questions
Q: Can I reuse the old fasteners from my WG210 instead of buying the 4657.183.389 kit?
A: No. ZF specifies that all cap screws and locking plates in this loose parts kit must be replaced during any housing disassembly. Reusing fasteners risks torque loss and oil leakage due to thread wear.
Q: Does this kit include the gaskets for the housing joints?
A: The 4657.183.389 kit includes the necessary seals and O-rings for the housing interfaces, but it does not include large paper gaskets. For complete sealing, order the appropriate gasket set separately.
Q: How do I know if my WG210 needs this loose parts kit?
A: If you are replacing the TRANSMISSION HOUSING or any front/rear housing section, you must install this kit. It is also required if you observe oil weeping from the housing split lines or if the transmission exhibits the failure symptoms listed above.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
