Overview
The ZF 6057.018.392 CONTROL UNIT is a critical electronic-hydraulic interface module designed specifically for the WG 190 series transmission. This OEM genuine part governs shift timing, pressure modulation, and torque converter lock-up by processing signals from the vehicle’s ECU and directing hydraulic flow to the clutch packs and valves. Positioned directly on the valve body within the transmission sump, the control unit (SKU: 6057.018.392) ensures precise gear engagement and smooth power delivery under heavy-duty operating conditions. When paired with a robust TRANSMISSION HOUSING, this unit maintains structural integrity and fluid containment during high-torque applications.
Symptoms of Failure
- Erratic or delayed gear engagement: A failing control unit often causes harsh shifts or a noticeable lag when moving from Neutral to Drive or Reverse, especially after the transmission reaches operating temperature.
- Intermittent limp mode activation: The transmission may unexpectedly default to a single gear (typically 2nd or 3rd) to protect internal components, triggered by corrupted sensor data from the 6057.018.392 unit.
- Torque converter shudder at highway speeds: Worn solenoids within the control unit can prevent proper lock-up, resulting in a rhythmic vibration during cruising conditions.
- Transmission fluid contamination from internal wear: Debris generated by a deteriorating control unit can migrate into the HOUS.FRONT SECT and other chambers, accelerating wear on adjacent components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 6057.018.392 |
| OEM Reference | ZF 6057 018 392 |
| Material | Die-cast aluminum housing with integrated solenoid coils |
| Weight | 2.85 kg (6.28 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 65 mm |
| Operating Voltage | 12V / 24V (vehicle-specific) |
| Hydraulic Ports | 6 pressure control ports |
| Temperature Range | -40°C to +120°C |
Compatibility
This control unit is engineered for the ZF WG 190 series but also integrates seamlessly with the WG 180, WG 200, and WG 210 transmission families. It is a direct replacement for earlier control units in these models, provided the valve body interface matches. The unit works in conjunction with the HOUSING REAR PART and the HOUSING REAR SECTION to form a sealed hydraulic circuit. Always verify the software calibration version for your specific vehicle application before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101079 | TRANSMISSION HOUSING | Main structural casing that encloses gear sets and valve body |
| 4657201166 | HOUS.FRONT SECT | Front section housing for pump and torque converter interface |
| 4657201169 | HOUSING REAR PART | Rear casing segment supporting output shaft and bearings |
| 4657298104 | HOUSING REAR SECTION | Additional rear housing component for extended gear train support |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise housing-to-valve body positioning |
| 0636100801 | CAP SCREW | Fastener for securing control unit to valve body |
| 4656301148 | FIXING PLATE | Retaining plate for solenoid harness and connector bracket |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic fluid entering the control unit |
| 4657301033 | SCREEN SHEET | Secondary filter screen for return line debris protection |
| 0636100803 | CAP SCREW | High-tensile bolt for housing flange attachment |
Frequently Asked Questions
Q: Can the 6057.018.392 control unit be repaired, or must it be replaced?
A: Due to the sealed solenoid assembly and proprietary firmware, this unit is not serviceable. Replacement with the OEM genuine part is required to restore proper shift logic and avoid cascading damage to the valve body or TRANSMISSION HOUSING.
Q: How do I know if the control unit is faulty versus a mechanical issue in the transmission?
A: Diagnostic trouble codes (DTCs) related to solenoid circuit faults or pressure sensor range/performance typically point to the control unit. Mechanical issues usually present with metallic debris in the fluid or audible grinding. Always inspect the SCREEN SHEET for contamination during diagnosis.
Q: Does this part require programming after installation?
A: Yes. The 6057.018.392 must be calibrated to the vehicle’s ECU using ZF diagnostic software. Failure to perform this step can result in incorrect shift pressures and premature wear of the HOUS.FRONT SECT components.
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ZF 6057.018.392 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.392 CONTROL UNIT with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This control unit page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 6057.018.392 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024112
- Documentation reference available for RFQ review
- 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 | 6057.018.392 |
|---|---|
| Normalized SKU | 6057018392 |
| Part name | CONTROL UNIT |
| Product category | control unit |
| Cross-reference support | Available for RFQ review |
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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