Overview
The ZF 0501.216.209 SELECTOR DE RANGO is a critical OEM original component engineered for the WG158, WG180, and WG200 transmission series. This range selector acts as the mechanical interface between the shift system and the planetary gear set, precisely directing hydraulic pressure to engage high or low range. As a genuine ZF part, SKU 0501.216.209 ensures exact fitment and reliable shifting performance within the WG 260 Series family. It mounts directly onto the TRANSMISSION HOUSING (4644301402) and works in concert with the COVER PLATE (4644301298) to seal the valve body area.
Symptoms of Failure
When the ZF 0501.216.209 range selector wears out, operators will notice distinct performance issues. Watch for these specific failure symptoms:
- Delayed or harsh range engagement – The transmission hesitates or clunks when shifting between high and low range, often accompanied by a momentary loss of power.
- Intermittent gear slipping in range – The transmission may slip out of the selected range under load, especially during uphill climbs or heavy hauling.
- Hydraulic fluid leaks at the selector bore – Oil seeps past the worn selector valve, pooling around the O-RING (0634306323) seal area, leading to low fluid levels and overheating.
- Range indicator mismatch – The dashboard or cab display shows a different range than what is actually engaged, causing confusion and potential driveline damage.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0501.216.209 |
| OEM Reference | ZF 0501.216.209 |
| Material | Hardened steel with corrosion-resistant coating |
| Overall Length | 145 mm (estimated) |
| Diameter | 28 mm (estimated) |
| Weight | 0.35 kg (0.77 lbs) |
| Seal Type | O-ring groove (uses 0634306323) |
| Operating Pressure | 10–18 bar |
Compatibility
This range selector is specifically designed for ZF WG158, WG180, and WG200 transmissions. It is also compatible with the WG 260 Series when used with the appropriate TRANSMISSION HOUSING (4644101249). The selector interfaces with the SHIFT SYSTEM (4644159347) and requires a properly seated O-RING (0634306323) to prevent cross-leakage. Always verify your transmission model number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101249 | TRANSMISSION HOUSING | Main structural housing for gear train |
| 4644301402 | TRANSMISSION HOUSING | Alternate housing variant for WG series |
| 4644301298 | COVER PLATE | Seals the valve body access port |
| 0634306323 | O-RING | Hydraulic seal for selector bore |
| 0636305026 | SCREW PLUG | Closes test ports in the housing |
| 4644301279 | SCREEN SHEET | Filters debris from hydraulic fluid |
| 4644301088 | SEALING CAP | Protects unused hydraulic ports |
| 4644159347 | SHIFT SYSTEM | Controls range and gear selection |
| 4475280036 | SCREW-IN SLEEVE | Provides threaded mounting point |
| 4644306511 | GEAR SHIFT HOUSING | Encloses shift fork assembly |
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