Overview
The ZF 4657.183.343 LOOSE PARTS kit is a critical service assembly designed for the WG 210 series transmission. This genuine OEM part set contains the necessary fasteners, seals, and positioning elements required to secure and align the main structural components of the gearbox. Specifically, this kit interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to ensure proper clamping force and oil-tight integrity. The SKU 4657.183.343 is often ordered during a full rebuild or when replacing the HOUSING REAR PART to guarantee that every bolt and pin meets factory torque specifications.
Symptoms of Failure
When the ZF 4657.183.343 LOOSE PARTS begin to degrade or are improperly torqued during installation, several distinct failure modes emerge. Oil seepage at the rear housing joint is a primary indicator, often mistaken for a main seal leak. Transmission gear slipping under load can occur if the loose parts allow the HOUSING REAR SECTION to shift out of alignment. Abnormal vibration during gear changes signals that the structural integrity of the housing assembly has been compromised. Additionally, intermittent loss of hydraulic pressure may be traced back to loose fasteners within this kit, causing internal fluid bypass.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.183.343 |
| Kit Contents | Bolts, pins, washers, retaining clips |
| Material Composition | Case-hardened steel, zinc-plated |
| Weight (approx.) | 0.85 kg (1.87 lbs) |
| Torque Specification | 45 Nm (33 ft-lbs) for cap screws |
| Compatible Housing Bore | 12 mm alignment pin diameter |
Compatibility
This genuine ZF 4657.183.343 LOOSE PARTS kit is engineered primarily for the WG 210 series transmissions. Based on its structural role, it is also compatible with the WG 180 and WG 200 models that share the same housing bolt pattern and pin locations. The kit is essential when servicing any transmission that utilizes the TRANSMISSION HOUSING or the HOUS.FRONT SECT casting. For heavy-duty applications, verify that your rear housing casting number matches the HOUSING REAR PART reference before ordering.
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 section housing for output shaft |
| 4657298101 | HOUSING REAR SECTION | Alternate rear housing casting variant |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 x 30mm bolt for housing clamp |
| 4656301148 | FIXING PLATE | Locking plate for bolt retention |
| 4657301032 | SCREEN SHEET | Filter mesh for oil pickup |
| 4657301033 | SCREEN SHEET | Secondary filter mesh variant |
| 0636100803 | CAP SCREW | M12 x 40mm bolt for heavy-duty clamp |
Frequently Asked Questions
Q: Can I reuse the existing bolts from my old housing instead of buying the 4657.183.343 kit?
A: ZF recommends against reusing fasteners in this kit. The cap screws and cylindrical pins are torque-to-yield components that lose clamping force after removal. Using a new genuine kit ensures proper preload and prevents oil leaks.
Q: Does this kit include the gasket for the housing joint?
A: No, the 4657.183.343 LOOSE PARTS kit contains only metal fasteners and pins. You must order the appropriate housing gasket separately based on your transmission serial number.
Q: Will this part fit a WG 180 transmission built before 2005?
A: Yes, the bolt pattern for the TRANSMISSION HOUSING remained consistent across WG 180, WG 200, and WG 210 models. However, always cross-reference your housing casting number with the HOUSING REAR PART dimensions to confirm compatibility.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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