Overview
The ZF 4657.183.053 LOOSE PARTS kit is a critical service assembly designed for the WG 210 series transmission. This genuine OEM part, identified by SKU 4657.183.053, contains the specific loose hardware and fasteners required to secure and align the main structural components of the gearbox. It sits at the interface between the TRANSMISSION HOUSING and the HOUS.FRONT SECT, ensuring proper clamping force and preventing relative movement under high torque loads. Without this precise kit, the internal alignment of the planetary gear sets and clutch packs cannot be maintained, leading to accelerated wear.
Symptoms of Failure
When the components within the 4657.183.053 kit degrade or are lost during service, operators will notice specific failure modes. Look for these long-tail symptoms to diagnose the issue:
- Transmission oil leaks at the housing seam: A worn or missing fastener from this kit allows the HOUSING REAR PART to separate slightly, causing fluid seepage under load.
- Intermittent gear slipping under heavy load: Loose hardware permits micro-movement between the housing sections, misaligning the valve body and causing pressure loss to specific clutches.
- Abnormal driveline vibration or clunking: If the CYLINDRICAL PIN (included in this kit) shears, the housing halves can shift, creating a distinct metallic noise during gear engagement.
- Hard shifting or delayed engagement: A compromised seal due to improper clamping from degraded loose parts can introduce air into the hydraulic circuit, softening shift quality.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4657.183.053 |
| OEM Reference | ZF 4657.183.053 |
| Material Composition | High-tensile steel (fasteners) / Nitrile (seals) |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Primary Function | Housing alignment and sealing hardware |
| Torque Specification | Refer to ZF service manual for WG210 |
Compatibility
This genuine OEM loose parts kit is engineered specifically for the WG 210 Series transmission. Based on the structural design of the housing fasteners and the included CYLINDRICAL PIN, it is also compatible with the WG180 and WG200 series models that share the same split-housing architecture. It is not recommended for use in the older WG120 or WG150 families without cross-referencing the housing bolt pattern. Always verify the fitment against your specific transmission serial number before installation.
Related Components
The following parts are commonly replaced or inspected alongside the 4657.183.053 kit during a major overhaul of the WG210 assembly:
| Part Number | Name | Function |
|---|---|---|
| 4657101031 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing for pump and converter |
| 4657201020 | HOUSING REAR PART | Rear section housing for output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing halves |
| 0636100801 | CAP SCREW | High-strength fastener for housing |
| 4656301148 | FIXING PLATE | Retaining plate for internal components |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Secondary mesh filter for bypass circuit |
| 0636100803 | CAP SCREW | Fastener for valve body mounting |
| 4681301040 | OIL FEED.HOUSG. | Lubrication feed line to bearings |
Frequently Asked Questions
Q: Can I reuse the old bolts from my transmission instead of buying the 4657.183.053 kit?
A: ZF strongly discourages reusing fasteners from the housing assembly. The bolts in this kit are torque-to-yield and lose clamping force after removal. Using the genuine OEM loose parts kit ensures proper preload and prevents oil leaks.
Q: Does this kit include the gasket for the housing interface?
A: The 4657.183.053 kit contains the loose hardware (bolts, pins, and seals) but does not include the main housing gasket. You will need to order the appropriate gasket separately based on your WG210 variant.
Q: How do I verify if this part fits my WG180 transmission?
A: Check the casting number on your TRANSMISSION HOUSING. If the bolt pattern matches the WG210, this kit is compatible. For absolute certainty, compare the length of the CYLINDRICAL PIN to your original part.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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