Overview
The ZF 4656.185.044 ACCESSORIES for WG171 is a critical OEM genuine component designed to support the internal hydraulic and mechanical systems of the WG 171 Series transmission. This accessory kit typically includes essential seals, guides, or brackets that ensure proper alignment and fluid routing within the transmission assembly. As a genuine ZF part, SKU 4656.185.044 guarantees exact fitment and durability, reducing the risk of premature wear in high-torque applications. It sits within the auxiliary circuit of the transmission, often interfacing directly with the 4656101028: TRANSMISSION HOUSING to maintain structural integrity under load.
Symptoms of Failure
- Hydraulic fluid seepage around the housing joint: When the 4656.185.044 accessories degrade, you may notice oil weeping from the seam between the 4656301066: HOUS.FRONT SECT and the main casing, leading to gradual fluid loss.
- Intermittent gear engagement hesitation: Worn accessory components can disrupt the oil flow path, causing delayed shifts or slipping during low-speed maneuvers.
- Contaminated transmission fluid with metallic debris: A failing accessory may allow the 4656201015: SCREEN SHEET to shift out of position, permitting particles to circulate and damage internal valves.
- Unusual whining noise from the front section: Misalignment caused by degraded accessories can create friction against the 4656301037: TUBE, producing a high-pitched sound during operation.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4656.185.044 |
| Material | Steel with corrosion-resistant coating |
| Weight | 0.45 kg (approx.) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 25 mm |
| OEM Reference | ZF WG171 Series |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF accessory is primarily engineered for the WG 171 transmission series. Based on its design and mounting points, it is also compatible with the WG180 and WG200 models that share the same front housing architecture. For precise fitment, always verify against the 4656101028: TRANSMISSION HOUSING and 4656301066: HOUS.FRONT SECT to ensure the accessory aligns with the bolt pattern and fluid channels.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101028 | TRANSMISSION HOUSING | Main casing that encloses gears and shafts |
| 4656301066 | HOUS.FRONT SECT | Front section housing for pump and valve body |
| 4656201015 | SCREEN SHEET | Filter mesh that prevents debris from entering oil passages |
| 4656301037 | TUBE | Fluid conduit connecting the pump to the cooler circuit |
| 0634313514 | O-RING | Seals the housing joint to prevent fluid leaks |
| 0636100803 | CAP SCREW | Fastener for securing the front housing section |
| 4656301042 | HOUSING REAR PART | Rear casing that supports the output shaft |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise housing positioning |
| 0636100801 | CAP SCREW | Bolt for attaching the rear housing section |
| 0636100160 | CAP SCREW | Fastener for the accessory mounting bracket |
Frequently Asked Questions
Q: Can I install the 4656.185.044 accessory without replacing the O-ring?
A: It is strongly recommended to replace the 0634313514: O-RING simultaneously, as reusing an old seal can lead to immediate fluid leaks and compromise the accessory’s performance.
Q: How do I know if this part fits my WG171 transmission?
A: Verify the serial number on your transmission housing. If it matches the WG171 series and you are using the 4656301066: HOUS.FRONT SECT, the 4656.185.044 will fit. Cross-reference with the 4656101028: TRANSMISSION HOUSING for bolt pattern confirmation.
Q: What is the typical lifespan of this accessory?
A> Under normal operating conditions and with proper fluid maintenance, the 4656.185.044 can last over 200,000 kilometers. However, contamination or overheating can accelerate wear, especially if the 4656201015: SCREEN SHEET becomes clogged.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
