Overview
The ZF 4656.183.009 LOOSE PARTS kit is a critical service component designed specifically for the WG 160 transmission series. This OEM genuine part contains the essential fasteners, seals, and small hardware required to secure and align internal assemblies during a rebuild or major repair. Positioned within the main gearcase, this kit ensures that the TRANSMISSION HOUSING remains properly mated to the HOUS.FRONT SECT and the HOUSING REAR PART. The SKU 4656.183.009 is factory-sourced to guarantee dimensional accuracy and load tolerance, preventing premature wear on the gear train.
Symptoms of Failure
When the ZF 4656.183.009 LOOSE PARTS kit degrades or is missing components, operators may experience transmission oil seepage at the housing joints, particularly around the HOUSING REAR PART interface. Another common failure symptom is intermittent gear slipping under load, caused by loose fasteners allowing slight misalignment of the clutch packs. You may also notice abnormal vibration or rumbling during shifts, which often points to insufficient clamping force on the main bearing supports. Finally, hard-to-diagnose fluid contamination can occur if the kit’s sealing elements fail, allowing debris to bypass the SCREEN SHEET filters.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4656.183.009 |
| Material Composition | Steel alloy fasteners with nitrile seals |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 4656.183.009 |
| Included Components | Bolts, washers, dowel pins, O-rings |
| Torque Specification | 45 N·m (33 lb-ft) per fastener |
Compatibility
This LOOSE PARTS kit is engineered for the ZF WG 160 transmission family. It is also compatible with the WG 180 and WG 200 series when used in conjunction with the correct CYLINDRICAL PIN and FIXING PLATE for alignment. For WG 220 or WG 250 models, verify housing dimensions before installation, as the CAP SCREW lengths may differ. Always cross-reference your transmission serial number with the OEM parts catalog to ensure a precise fit.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101031 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201075 | HOUS.FRONT SECT | Front section housing input shaft |
| 4656201036 | HOUSING REAR PART | Rear section supporting output bearing |
| 4472239179 | HOUSING REAR PART | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 4656301148 | FIXING PLATE | Secures oil pump to housing |
| 0636100817 | CAP SCREW | M10 fastener for housing bolts |
| 4656301016 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M8 fastener for cover plates |
Frequently Asked Questions
Q: Can I reuse the existing fasteners instead of buying the 4656.183.009 kit?
A: No. ZF specifies that all bolts and seals in this LOOSE PARTS kit must be replaced during any housing disassembly to maintain proper torque retention and prevent oil leaks.
Q: Does this kit include the CYLINDRICAL PIN for alignment?
A: Yes. The 4656.183.009 set contains the necessary dowel pins. However, if you need a spare, order part 0631306816 separately.
Q: Will this part work with a WG 180 transmission?
A: Yes, the WG 180 shares the same housing bolt pattern. Always verify that your HOUS.FRONT SECT matches the OEM revision before installation.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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