Overview
The ZF 4657.102.014 INPUT for WG190/WG210 is a critical OEM genuine component that serves as the primary power intake interface within the transmission assembly. Positioned directly at the torque converter housing junction, this input shaft transfers rotational force from the engine to the planetary gear sets. The SKU 4657.102.014 is precision-machined to ZF’s exacting tolerances, ensuring seamless engagement with the 4657101033: TRANSMISSION HOUSING and the 4657201027: HOUS.FRONT SECT. Without this genuine part, the entire driveline cannot maintain proper alignment, making it indispensable for heavy-duty industrial applications.
Symptoms of Failure
When the ZF 4657.102.014 input shaft begins to degrade, operators often notice gear slipping under load—a clear sign that the splines have worn beyond specification. Another common failure symptom is persistent oil leaks near the front housing seal, which occurs when the shaft’s bearing journal develops micro-cracks. You may also experience abnormal vibration during acceleration, indicating that the input shaft has lost its concentricity with the 4657201012: HOUSING REAR PART. Finally, difficulty engaging forward or reverse gears can point to a failing input shaft that no longer aligns correctly with the 0631306792: CYLINDRICAL PIN.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.102.014 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 245 mm |
| Spline Diameter | 32 mm (major diameter) |
| Weight | 1.85 kg |
| OEM Reference | ZF 4657.102.014 |
| Hardness | 58-62 HRC (surface) |
Compatibility
This genuine ZF input shaft is specifically engineered for the WG 190 Series and WG 210 Series transmissions. It also fits select variants of the WG180 and WG200 models when used with the correct 0636100801: CAP SCREW kit. Always verify your transmission’s serial number against the OEM parts catalog, as the 4657.102.014 is not backward-compatible with pre-2005 WG150 units. For optimal performance, pair this input with the 4656301148: FIXING PLATE to prevent axial play.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses and supports all internal gear components |
| 4657201027 | HOUS.FRONT SECT | Front section housing that aligns the input shaft |
| 4657201012 | HOUSING REAR PART | Rear housing section for output shaft support |
| 0631306792 | CYLINDRICAL PIN | Locating pin for precise housing alignment |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locks input shaft axial position |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil debris protection |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for initial oil screening |
| 0636100803 | CAP SCREW | High-tensile bolt for oil feed assembly |
| 4681301040 | OIL FEED.HOUSG. | Distributes pressurized oil to input shaft bearings |
Frequently Asked Questions
Q: How do I know if the 4657.102.014 input shaft is the correct replacement for my WG210?
A: Check the stamped serial number on your transmission’s nameplate. The 4657.102.014 is standard for WG210 models built after 2008. If your unit has a different input length, you may need the WG190 variant.
Q: Can I reuse the old cylindrical pin (0631306792) when installing this input shaft?
A: No. ZF recommends always replacing the 0631306792: CYLINDRICAL PIN during input shaft replacement to prevent misalignment and premature wear.
Q: What torque specification should I use for the cap screws securing this input?
A: For the 0636100801: CAP SCREW, apply 45 Nm in a cross-pattern sequence. Always consult the ZF service manual for your specific transmission model.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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