Overview
The ZF 4656.183.353 LOOSE PARTS kit is a critical service component designed specifically for the WG 160 series transmission. This OEM genuine part set contains the necessary fasteners, seals, and small hardware required to secure and seal the main transmission housing assembly during a rebuild or overhaul. The SKU 4656.183.353 is the exact factory-specified loose parts package that ensures proper clamping force and oil containment when mating the TRANSMISSION HOUSING to the HOUS.FRONT SECT and the HOUSING REAR PART. Without this specific loose parts kit, the structural integrity of the gearbox casing is compromised.
Symptoms of Failure
When the 4656.183.353 loose parts become worn, corroded, or are missing during reassembly, several distinct failure modes emerge. First, external oil seepage at the housing mating flanges is a primary indicator, often mistaken for a gasket failure. Second, you may experience intermittent gear engagement or hard shifting due to micro-movement between the HOUSING REAR SECTION and the main body. Third, unusual vibration or driveline noise during acceleration signals that the fasteners have lost their torque retention. Finally, contaminated transmission fluid can occur if the loose parts allow debris ingress through compromised seals.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4656.183.353 |
| Material Composition | Steel alloy with zinc plating (fasteners); Nitrile rubber (seals) |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (packaged) | 150 x 100 x 40 mm |
| OEM Reference | ZF WG 160 Series |
| Included Components | Bolts, washers, O-rings, dowel pins |
Compatibility
This 4656.183.353 loose parts kit is engineered for the ZF WG 160 series transmission family. It is directly compatible with the WG160, WG161, and WG162 models. While primarily designed for the WG160, the same hardware pattern is shared with the WG180 and WG200 series in certain production years, though we recommend verifying your specific housing configuration. The kit interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to ensure a leak-free assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101055 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4656201076 | HOUSING REAR PART | Rear section housing for output shaft |
| 4656298047 | HOUSING REAR SECTION | Additional rear housing segment |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing mating |
| 4656301148 | FIXING PLATE | Secures internal components |
| 0636100817 | CAP SCREW | Fastener for housing joints |
| 4656301016 | SCREEN SHEET | Filter screen for oil circuit |
| 4656301017 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Additional housing fastener |
Frequently Asked Questions
Q: Can I reuse the original bolts from my WG160 instead of buying the 4656.183.353 kit?
A: ZF strongly discourages reusing fasteners in this loose parts kit. The bolts are torque-to-yield and lose clamping force after one use, leading to oil leaks and housing misalignment.
Q: Does this kit include the seals for the HOUSING REAR PART?
A: Yes, the 4656.183.353 package contains all necessary O-rings and gaskets for the rear housing interface, ensuring a complete seal when installed.
Q: How do I verify if this part fits my WG180 transmission?
A: Check the casting number on your TRANSMISSION HOUSING. If it matches the WG160 bolt pattern, the 4656.183.353 kit is compatible, though we recommend cross-referencing your serial number.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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