Overview
This OEM genuine ZF 4656.183.029 LOOSE PARTS kit is a critical service component designed specifically for the WG 160 series transmission. It functions as a collection of essential fasteners, seals, and small hardware elements that secure internal assemblies and maintain hydraulic integrity within the gearbox. The SKU 4656.183.029 is often required during a major overhaul or when replacing larger structural components such as the TRANSMISSION HOUSING or the HOUS.FRONT SECT. Without this genuine loose parts set, proper torque specifications and alignment cannot be guaranteed, leading to premature wear.
Symptoms of Failure
When the components within the 4656.183.029 kit degrade or are lost, operators will notice distinct operational issues. A primary symptom is external oil seepage around the main housing joints, often mistaken for a gasket failure. Another common failure is intermittent gear slipping under load, caused by loose mounting hardware allowing internal shafts to shift. You may also experience abnormal vibration or rattling noises from the bell housing area, indicating that retaining plates or pins have loosened. Finally, difficulty engaging forward or reverse gears can occur if the loose parts fail to secure the valve body or rear housing correctly.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4656.183.029 |
| Product Type | Loose Parts Kit (Hardware & Fasteners) |
| Material Composition | Steel, Alloy Steel, Rubber Seals |
| Estimated Weight | 0.45 kg (1.0 lb) |
| OEM Reference | ZF Friedrichshafen AG |
| Primary Application | WG 160 Series |
Compatibility
This genuine ZF 4656.183.029 loose parts kit is engineered for the WG 160 transmission family. It is also compatible with closely related models including the WG 180 and WG 200 series, where similar housing and front section configurations are used. When replacing the HOUSING REAR PART or the HOUSING REAR PART (variant), this kit provides the necessary bolts and alignment pins. Always verify your transmission serial number against the WG160 series specifications to ensure a perfect fit.
Related Components
Below is a table of additional parts frequently required alongside the 4656.183.029 during a full transmission rebuild or housing replacement.
| Part Number | Name | Function |
|---|---|---|
| 4656101031 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4656201036 | HOUSING REAR PART | Rear housing section for output support |
| 4472239179 | HOUSING REAR PART | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing mating |
| 4656301148 | FIXING PLATE | Secures internal bearing assemblies |
| 0636100817 | CAP SCREW | High-tensile bolt for housing |
| 4656301016 | SCREEN SHEET | Oil filter screen for lubrication |
| 4656301017 | SCREEN SHEET | Secondary oil filter screen |
| 0636100803 | CAP SCREW | Fastener for accessory mounting |
Frequently Asked Questions
Q: Can I reuse old hardware from my WG160 instead of buying the 4656.183.029 kit?
A: It is not recommended. ZF specifies that bolts and pins in this loose parts kit are torque-to-yield and should be replaced to prevent loosening under thermal cycling. Reusing old hardware often leads to oil leaks or gear slippage.
Q: Does this kit include the seals for the housing front section?
A: The 4656.183.029 primarily contains metal fasteners and alignment pins. For complete sealing, you should also inspect the HOUS.FRONT SECT and order separate gasket sets if needed.
Q: How do I verify this part fits my WG 180 transmission?
A: Check the casting number on your existing housing. If it matches the WG160 series footprint, the 4656.183.029 is compatible. For absolute certainty, cross-reference your transmission model with the OEM parts catalog.
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Phone: +86 158 2286 3467 |
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