Overview
The ZF 4657.102.016 INPUT for WG190/WG210 is a critical OEM genuine component engineered to manage torque input from the engine directly into the transmission assembly. Positioned at the front of the gearbox, this input shaft interfaces with the clutch system and the planetary gear sets, ensuring smooth power transfer under heavy-duty conditions. The SKU 4657.102.016 is precision-machined to ZF’s exacting tolerances, making it an essential replacement for maintaining drivetrain integrity in commercial vehicles. This part works in concert with the 4657101033: TRANSMISSION HOUSING and the 4657201027: HOUS.FRONT SECT to form a sealed, durable front-end assembly.
Symptoms of Failure
When the ZF 4657.102.016 input shaft wears out, operators often notice specific performance declines. Oil leaks around the front seal area are common, as a worn input can compromise the seal surface, leading to fluid loss. Gear slipping under load occurs when the shaft’s splines degrade, causing intermittent engagement with the clutch hub. Abnormal vibration or whining noise during acceleration indicates bearing surface wear on the input shaft. Additionally, difficulty shifting into gear may arise from misalignment caused by a fatigued input shaft, a symptom frequently searched by fleet maintenance teams.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.102.016 |
| Material | Case-hardened alloy steel |
| Weight | Approx. 4.2 kg (9.3 lbs) |
| Length | 245 mm |
| Spline Count | 24 (input side) |
| OEM Reference | ZF 4657.102.016 |
| Surface Treatment | Nitrided for wear resistance |
Compatibility
This genuine ZF input shaft is designed for the WG 190 Series and WG 210 Series transmissions, commonly found in medium-duty trucks and buses. It is also compatible with the WG180 and WG200 models that share the same input architecture. The part integrates directly with the 4657201012: HOUSING REAR PART and is secured using the 0631306792: CYLINDRICAL PIN for precise alignment. Always verify your transmission model’s serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses and protects internal gear sets |
| 4657201027 | HOUS.FRONT SECT | Front section of the transmission casing |
| 4657201012 | HOUSING REAR PART | Rear section of the transmission housing |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retains input shaft bearing in place |
| 4657301032 | SCREEN SHEET | Filter screen for oil flow control |
| 4657301033 | SCREEN SHEET | Secondary filter screen for debris protection |
| 0636100803 | CAP SCREW | High-strength bolt for critical joints |
| 4681301040 | OIL FEED.HOUSG. | Distributes lubrication to input shaft bearings |
Frequently Asked Questions
Q: How do I know if the ZF 4657.102.016 input shaft is failing?
A: Look for oil seepage near the front seal, unusual gear whine, or difficulty engaging gears. A visual inspection for spline wear is recommended during clutch replacement.
Q: Can this input shaft be used in a WG180 transmission?
A: Yes, the 4657.102.016 is compatible with WG180, WG190, WG200, and WG210 models, provided the housing and pin alignments match. Always cross-reference your transmission tag.
Q: What related parts should I replace simultaneously?
A: It is advisable to inspect and potentially replace the 0631306792: CYLINDRICAL PIN and the 4656301148: FIXING PLATE to ensure proper shaft retention and alignment.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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