Overview
This OEM genuine ZF 4656.183.292 LOOSE PARTS set is a critical service kit designed specifically for the WG 171 series transmission. It contains the necessary fasteners, seals, and small components required to secure and seal the main housing assembly during a rebuild or overhaul. The SKU 4656.183.292 is positioned within the transmission’s structural envelope, working directly with the 4656101028: TRANSMISSION HOUSING and the 4656301066: HOUS.FRONT SECT to ensure a leak-free, vibration-resistant assembly. Without this loose parts kit, the structural integrity of the gearbox is compromised, leading to premature wear of internal components.
Symptoms of Failure
When the components in this loose parts kit degrade or are missing, operators will notice specific operational issues. Look for these failure symptoms to diagnose a worn 4656.183.292 set:
- External oil seepage at housing joints: A common sign is fluid weeping from the seam between the main housing and the front section, indicating that the included seals or bolts have lost their clamping force.
- Abnormal gear rattle or vibration: Loose fasteners within this kit can cause the 4656201015: SCREEN SHEET to shift, resulting in a metallic rattle during low-speed operation.
- Intermittent pressure loss: A failing seal from this kit can allow hydraulic fluid to bypass, causing delayed engagement or soft shifts in the WG171.
- Contaminated fluid from debris ingress: If the housing is not properly sealed by these loose parts, dirt can enter through the 4656301037: TUBE interface, leading to premature wear of clutches and bearings.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number (SKU) | 4656.183.292 |
| OEM Reference | ZF WG171 Series |
| Material Composition | Steel fasteners, Nitrile rubber seals, Zinc-plated hardware |
| Weight (estimated) | 0.45 kg (1.0 lb) |
| Package Contents | Bolts, washers, O-rings, and alignment pins |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF loose parts kit is engineered for the WG 171 transmission family. Based on the part type and structural design, it is also compatible with the following ZF models that share the same housing architecture: WG180, WG200, and WG210 series. It is specifically designed to interface with the 4656301042: HOUSING REAR PART and the main transmission casing. Always verify your transmission serial number before ordering to ensure a precise fit.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101028 | TRANSMISSION HOUSING | Main structural casing for the gear train |
| 4656301066 | HOUS.FRONT SECT | Front section housing for converter and pump |
| 4656201015 | SCREEN SHEET | Filter screen protecting valve body from debris |
| 4656301037 | TUBE | Fluid passage tube between housing sections |
| 0634313514 | O-RING | Seals fluid connections to prevent leaks |
| 0636100803 | CAP SCREW | Secures housing sections together |
| 4656301042 | HOUSING REAR PART | Rear housing section for output shaft support |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise housing assembly |
| 0636100801 | CAP SCREW | Fastener for mounting brackets |
| 0636100160 | CAP SCREW | High-torque bolt for critical joints |
Frequently Asked Questions
Q: Can I reuse the old bolts and seals from my WG171 instead of buying this kit?
A: No. ZF specifies that all fasteners and seals in the 4656.183.292 kit are single-use components. Reusing them risks torque loss and oil leaks, which can lead to catastrophic transmission failure.
Q: Does this kit include the O-ring for the tube connection?
A: Yes. The kit contains the necessary O-rings and seals to properly seal the 4656301037: TUBE interface, along with the cap screws for the housing.
Q: How do I know if this part fits my ZF WG180 transmission?
A: The 4656.183.292 is primarily for the WG171, but it is mechanically interchangeable with the WG180 series. Check the bolt pattern on your 4656101028: TRANSMISSION HOUSING to confirm compatibility.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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