Overview
The ZF 0732.041.616 COMPRESSION SPRING is a critical OEM genuine component engineered specifically for the WG 200 Series transmission. This precision spring provides the necessary preload and return force within the valve body and shift rail assemblies, ensuring consistent hydraulic pressure and smooth gear engagement. The SKU 0732.041.616 sits directly inside the TRANSMISSION HOUSING, where it works in concert with the HOUSING to maintain proper alignment of internal actuation components. Without this spring, the transmission cannot maintain the calibrated clamping force required for reliable operation under heavy industrial loads.
Symptoms of Failure
- Delayed or harsh shifting: When the compression spring loses tension, you may notice a pronounced lag between gear changes or a jarring engagement, especially under load.
- Intermittent gear slipping: A fatigued spring fails to hold the shift fork in position, causing the transmission to momentarily lose drive power during acceleration.
- Erratic hydraulic pressure readings: Worn springs allow valve spools to drift, leading to fluctuating line pressures that trigger warning codes on the ECU.
- Unusual metallic rattling from the housing: A broken or collapsed spring can produce a distinct clicking or rattling noise inside the HOUSING during idle or coasting.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 0732.041.616 |
| Material | Chrome Silicon Alloy Steel (DIN 17223) |
| Wire Diameter | 3.2 mm |
| Outer Diameter | 22.5 mm |
| Free Length | 48.0 mm |
| Spring Rate | 14.5 N/mm |
| Weight | 0.042 kg |
| OEM Reference | ZF 0732.041.616 |
Compatibility
This compression spring is designed for the ZF WG200 series, including the WG180, WG200, and WG210 variants. It is a direct replacement for units built between 2005 and 2020. The spring interfaces directly with the TYPE PLATE and is secured by the GROOVED STUD within the shift system assembly. Always verify your transmission model code before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101165 | TRANSMISSION HOUSING | Main structural casing for gear and valve assemblies |
| 4644301304 | HOUSING | Secondary housing for shift mechanism support |
| 0730365067 | TYPE PLATE | Identification plate with transmission serial number |
| 0631311009 | GROOVED STUD | Fastening stud for spring retention |
| 4644106300 | SHIFT SYSTEM | Complete shift fork and rail assembly |
| 4644306500 | COVER PLATE | Sealing plate for valve body access |
| 4644159300 | SHIFT SYSTEM | Alternate shift system variant |
| 4644306560 | VALVE BLOCK | Hydraulic control manifold |
| 4644306408 | WASHER | Thrust washer for spring seat |
| 4644107015 | SPEEDOMETER | Output speed sensor drive |
