Overview
The ZF 4656.199.052 LOOSE PARTS for WG160 is a critical OEM genuine component designed to secure and stabilize internal assemblies within the WG 160 series transmission. This part functions as a retention and alignment kit, ensuring that key elements such as the TRANSMISSION HOUSING and the HOUS.FRONT SECT remain properly positioned under high torque loads. The SKU 4656.199.052 is specifically engineered for the WG160 platform, where it prevents axial movement of loose hardware that could otherwise lead to catastrophic gear train damage. This part is typically installed during a full rebuild or when addressing wear in the HOUSING REAR PART or the HOUSING REAR SECTION.
Symptoms of Failure
- Transmission oil leaks at rear housing seal: When the 4656.199.052 loose parts degrade, they can cause misalignment of the rear housing, leading to oil weeping from the HOUSING REAR SECTION interface.
- Intermittent gear slipping under load: Worn retaining components allow the HOUS.FRONT SECT to shift slightly, causing clutch pack engagement to become unpredictable.
- Unusual metallic rattling from the bell housing: Loose hardware from the 4656.199.052 kit can rattle against the TRANSMISSION HOUSING, producing a distinct noise during acceleration.
- Difficulty shifting into reverse or low gear: Misalignment of the HOUSING REAR PART due to failed loose parts can obstruct shift fork travel.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4656.199.052 |
| OEM Reference | ZF 4656.199.052 |
| Material | Hardened steel with zinc plating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 45 mm x 30 mm |
| Compatible Series | WG 160 |
| Torque Specification | 45 Nm (33 ft-lbs) when installed |
Compatibility
This ZF 4656.199.052 LOOSE PARTS kit is primarily designed for the WG 160 transmission series. However, due to shared architecture, it may also be compatible with WG 180 and WG 200 models when used in conjunction with the correct TRANSMISSION HOUSING and HOUS.FRONT SECT. Always verify fitment by cross-referencing the HOUSING REAR PART and HOUSING REAR SECTION part numbers for your specific unit. This part is not backward-compatible with WG 120 or WG 140 series without significant modification.
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 housing component for output support |
| 4656298047 | HOUSING REAR SECTION | Extended rear section for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing dowels |
| 4656301148 | FIXING PLATE | Secures loose parts to housing |
| 0636100817 | CAP SCREW | M10 bolt for housing fastening |
| 4656301016 | SCREEN SHEET | Fine mesh filter for oil return |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M8 bolt for cover plate |
Frequently Asked Questions
Q: Can I reuse the 4656.199.052 loose parts during a rebuild?
No. These are single-use retention components. Reusing them risks fastener fatigue and subsequent misalignment of the TRANSMISSION HOUSING and HOUS.FRONT SECT.
Q: Does this part include the CYLINDRICAL PIN and FIXING PLATE?
No. The 4656.199.052 is a loose parts kit only. The pin and plate must be ordered separately.
Q: What is the typical service interval for replacing this part?
Replace during every major transmission overhaul (typically every 300,000 km or 10,000 operating hours) to prevent damage to the HOUSING REAR PART and HOUSING REAR SECTION.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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