Overview
The ZF 6009.047.859 CONTROL UNIT is a precision electronic module that governs shift timing and hydraulic pressure within the WG 201 transmission series. Positioned on the valve body assembly, this OEM genuine part interprets input signals to manage clutch engagement and gear selection. The SKU 6009.047.859 is engineered specifically for ZF’s heavy-duty driveline architecture, ensuring seamless communication between the transmission and vehicle control systems. When paired with a robust TRANSMISSION HOUSING (4644101160) or the alternative TRANSMISSION HOUSING (4644301323), this control unit maintains optimal fluid routing and electronic integrity.
Symptoms of Failure
- Erratic gear hunting or delayed shifts: A failing control unit causes the transmission to hesitate or abruptly shift between gears, often accompanied by a harsh jolt during acceleration.
- Intermittent loss of drive in forward or reverse: Worn internal circuitry leads to sudden neutral conditions, where the transmission fails to engage despite engine RPM increase.
- Persistent transmission warning light with code P0700-P0790: Diagnostic trouble codes related to solenoid or control module faults frequently trace back to a degraded 6009.047.859 unit.
- Hydraulic pressure fluctuations: The control unit’s inability to regulate solenoid output causes uneven line pressure, resulting in slipping clutches or overheating fluid.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 6009.047.859 |
| OEM Reference | ZF 6009 047 859 |
| Material | Die-cast aluminum housing with glass-filled nylon connector |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 55 mm |
| Operating Voltage | 12V / 24V DC (vehicle-dependent) |
| Sealing Type | Integrated O-ring groove (compatible with 0634306198: O-RING) |
| Identification | Laser-etched barcode and 0730365067: TYPE PLATE |
Compatibility
This control unit is primarily designed for the ZF WG 201 series, including WG180, WG200, and WG210 variants found in municipal trucks, fire apparatus, and construction equipment. It directly replaces units in transmissions equipped with a THREADED BUSH (4644301189) for valve body alignment and a SCREW PLUG (4475280043) for port sealing. For installations requiring additional sealing, the COVER PLATE (4644301161) and HEXAGON SCREW (0636100621) are recommended. Always verify transmission serial numbers against ZF application guides before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101160 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4644301323 | TRANSMISSION HOUSING | Alternative housing variant for WG201 |
| 4644301189 | THREADED BUSH | Valve body alignment insert |
| 4475280043 | SCREW PLUG | Hydraulic port sealing |
| 0634306198 | O-RING | Control unit seal |
| 0730365067 | TYPE PLATE | Identification label |
| 4644301161 | COVER PLATE | Access cover for valve body |
| 0636100621 | HEXAGON SCREW | Mounting fastener |
| 0631610020 | SET SCREW | Adjustment locking screw |
| 0501218540 | BREATHER | Pressure equalization vent |
ZF 6009.047.859 CONTROL UNIT – Control Unit RFQ Support
ZF 6009.047.859 CONTROL UNIT is treated as a control-system part-number lookup item. Send visible markings, machine details, and documentation needs for RFQ review.
Part-Number Summary
Use ZF number 6009.047.859 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: LOOSE PARTS
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 6009.047.859 |
|---|---|
| Normalized SKU | 6009047859 |
| Part name | CONTROL UNIT |
| Product category | control unit |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
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