Overview
The ZF 4656.105.400 is a precision-engineered OEM genuine component designed specifically for the WG 160 Series transmission. This part functions as a critical internal guide or support element, ensuring correct alignment and oil flow within the gearbox housing. The SKU 4656.105.400 is manufactured to ZF’s exacting tolerances, guaranteeing a direct fit and long service life. It sits in the mid-section of the transmission assembly, interfacing directly with the main housing sections to maintain structural integrity under high torque loads.
Symptoms of Failure
When the 4656.105.400 component begins to wear, operators may notice several distinct performance issues. Oil seepage at the transmission housing joint is a common early indicator, as degraded sealing surfaces allow lubricant to escape. Intermittent gear engagement hesitation can occur when the part loses its dimensional stability, causing misalignment of internal shift rails. Abnormal metallic rattling from the bell housing area often signals that the component has loosened or fractured. Finally, reduced hydraulic pressure in the clutch circuits may be traced back to a compromised 4656.105.400, as it plays a role in directing oil flow to critical passages.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4656.105.400 |
| Material | High-strength aluminum alloy with steel inserts |
| Weight | 1.85 kg (4.08 lbs) |
| Length | 245 mm |
| Width | 120 mm |
| Height | 85 mm |
| OEM Reference | ZF WG 160 Series |
| Surface Treatment | Anodized with corrosion-resistant coating |
Compatibility
This genuine ZF part is primarily designed for the WG 160 transmission series. It is also compatible with the WG 180 and WG 200 models where the housing architecture is shared. The 4656.105.400 is not interchangeable with earlier WG 120 series units without modification. Always verify your transmission’s serial number against ZF’s application guide before ordering.
Related Components
During installation of the 4656.105.400, several companion parts should be inspected and replaced if worn. The 4656201075: HOUS.FRONT SECT and 4656201035: HOUSING REAR PART form the primary enclosure. Additionally, the 4472239178: HOUSING REAR PART provides the opposite end cap, while the 0631306816: CYLINDRICAL PIN ensures precise alignment during assembly.
| Part Number | Name | Function |
|---|---|---|
| 4656201075 | HOUS.FRONT SECT | Front housing section for gear support |
| 4656201035 | HOUSING REAR PART | Rear housing section for bearing retention |
| 4472239178 | HOUSING REAR PART | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100817 | CAP SCREW | Fastener for housing assembly |
| 4656301016 | SCREEN SHEET | Filter screen for oil intake |
| 4656301017 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Alternate fastener size |
| 0501316470 | BREATHER | Pressure equalization valve |
| 0750301003 | OIL FEED.HOUSG. | Oil supply line housing |
Frequently Asked Questions
Q: Can the 4656.105.400 be installed without removing the transmission from the vehicle?
A: In most applications, the transmission must be removed and partially disassembled to access this internal component. It is located between the front and rear housing sections, requiring separation of the main case.
Q: What is the typical service interval for this part?
A: ZF recommends inspecting the 4656.105.400 during any major transmission overhaul, typically every 500,000 km or 10,000 operating hours. It does not require routine replacement unless damage or wear is detected.
Q: Does this part come with a warranty?
A: As an OEM genuine ZF component, the 4656.105.400 is covered by ZF’s standard manufacturing warranty against defects in materials and workmanship. Warranty terms vary by region and distributor.
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Phone: +86 158 2286 3467 |
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