Overview
The ZF 4656.183.119 LOOSE PARTS set is a critical OEM genuine service kit designed specifically for the WG 171 series transmission. This assembly contains the essential loose hardware and small components required to secure and seal internal transmission assemblies during a rebuild or overhaul. The SKU 4656.183.119 is typically installed in the valve body and clutch housing interface areas, ensuring that fasteners and retaining elements meet factory torque specifications. When paired with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, this kit guarantees that all loose parts are correctly positioned for optimal hydraulic pressure retention and gear alignment.
Symptoms of Failure
When the components within the 4656.183.119 LOOSE PARTS kit begin to degrade, operators often notice specific performance issues. One common symptom is intermittent gear slipping under load, caused by loose fasteners allowing clutch pack clearance to shift. Another frequent failure sign is hydraulic fluid seepage around the transmission housing seams, which occurs when sealing elements within the kit lose their integrity. Technicians also report unusual rattling or vibration during gear changes, indicating that retaining pins or screws have backed out. Finally, delayed engagement when shifting from Neutral to Drive can point to worn loose parts that fail to maintain proper valve body alignment.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 4656.183.119 |
| OEM Reference | ZF WG 171 Series |
| Material Composition | Hardened Steel & Nitrile Rubber |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 25 mm |
| Compatible Fasteners | CAP SCREW (0636100803) & CAP SCREW (0636100801) |
| Sealing Components | O-RING (0634313514) |
| Alignment Hardware | CYLINDRICAL PIN (0631306816) |
Compatibility
This OEM genuine loose parts kit is engineered primarily for the ZF WG 171 transmission series. However, due to shared modular architecture, it is also compatible with the WG 180 and WG 200 series when used in conjunction with the HOUSING REAR PART. The kit integrates seamlessly with the SCREEN SHEET and the TUBE assembly to ensure debris filtration and fluid routing remain within factory specifications. Always verify your transmission model number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101028 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4656301066 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4656201015 | SCREEN SHEET | Hydraulic fluid filtration mesh |
| 4656301037 | TUBE | Fluid passage conduit |
| 0634313514 | O-RING | Seals fluid connections |
| 0636100803 | CAP SCREW | Secures housing sections |
| 4656301042 | HOUSING REAR PART | Rear casing for output shaft |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for components |
| 0636100801 | CAP SCREW | Fastener for valve body |
| 0636100160 | CAP SCREW | Mounting bolt for clutch pack |
Frequently Asked Questions
Q: Can the 4656.183.119 kit be reused after disassembly?
A: No. ZF recommends replacing all loose parts in this kit with new OEM components during any transmission overhaul to ensure proper torque retention and sealing integrity.
Q: Does this kit include the O-ring and cap screws shown in the specifications?
A: The 4656.183.119 LOOSE PARTS set contains the specific loose hardware for the WG171. For the O-ring (0634313514) and cap screws (0636100803, 0636100801), please order those separately as they are not bundled in this kit.
Q: What tools are required to install these loose parts?
A: Standard hand tools including a torque wrench, hex keys, and a soft-faced mallet are sufficient. Always refer to the ZF service manual for your specific transmission model.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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