Overview
The ZF 4657.183.423 LOOSE PARTS set is a critical service kit designed specifically for the WG 210 series transmission. This assembly contains the essential loose hardware and small components required to secure and seal the main transmission housing sections during a rebuild or overhaul. Positioned at the core of the gearbox, this SKU (4657.183.423) ensures that the TRANSMISSION HOUSING remains properly mated to the HOUS.FRONT SECT and the HOUSING REAR PART. Without this genuine OEM loose parts kit, the structural integrity of the entire transmission assembly is compromised.
Symptoms of Failure
When the components within the 4657.183.423 LOOSE PARTS kit begin to fail, operators typically notice specific performance issues. Transmission fluid seepage at the main housing joint is a primary indicator, often caused by degraded sealing hardware. Another common symptom is abnormal gear engagement noise or harsh shifting, which occurs when fasteners loosen and allow the HOUSING REAR SECTION to shift slightly under load. You may also experience intermittent loss of hydraulic pressure due to air ingress through compromised seals. Finally, visible metal debris in the oil pan can indicate that loose parts have fatigued and are wearing against internal surfaces.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 4657.183.423 |
| Product Type | Loose Parts Kit (Hardware & Seals) |
| Material Composition | Steel, Rubber, Aluminum |
| Weight (Estimated) | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 4657.183.423 |
| Compatible Fasteners | CAP SCREW (0636100801) & CAP SCREW (0636100803) |
| Additional Hardware | CYLINDRICAL PIN (0631306816) |
| Mounting Components | FIXING PLATE (4656301148) |
| Filter Screens | SCREEN SHEET (4657301032) & SCREEN SHEET (4657301033) |
Compatibility
This genuine ZF 4657.183.423 LOOSE PARTS kit is engineered primarily for the WG 210 Series transmission. Based on the part type and housing interface, it is also compatible with the WG 180 and WG 200 series models that share the same housing architecture. It is not recommended for use in the WG 120 or WG 150 series due to different bolt patterns and seal dimensions. Always verify your transmission serial number against the OEM parts catalog before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101085 | TRANSMISSION HOUSING | Main structural body of the gearbox |
| 4657201161 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201162 | HOUSING REAR PART | Rear housing section for output assembly |
| 4657298107 | HOUSING REAR SECTION | Alternate rear housing component |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing mating |
| 0636100801 | CAP SCREW | Fastener for housing sections |
| 4656301148 | FIXING PLATE | Secures internal components |
| 4657301032 | SCREEN SHEET | Oil filter screen (variant 1) |
| 4657301033 | SCREEN SHEET | Oil filter screen (variant 2) |
| 0636100803 | CAP SCREW | Secondary fastener for housing |
Frequently Asked Questions
Q: Can I reuse the old hardware from my WG210 instead of buying the 4657.183.423 kit?
A: No. ZF specifies that all loose parts, including bolts and seals, must be replaced with new OEM components during a rebuild. Reusing old hardware risks thread fatigue and oil leaks.
Q: Does this kit include the cap screws or do I need to order them separately?
A: The 4657.183.423 LOOSE PARTS kit includes the essential seals and small hardware, but we recommend ordering the CAP SCREW (0636100801) and CAP SCREW (0636100803) separately to ensure you have all fasteners for the housing.
Q: Is this part compatible with the ZF WG180 transmission?
A: Yes, the 4657.183.423 is compatible with WG180, WG200, and WG210 series transmissions that utilize the same housing interface design. Always cross-reference your transmission model number.
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Phone: +86 158 2286 3467 |
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