Overview
The ZF 6057.018.028 CONTROL UNIT is a critical electro-hydraulic interface within the WG210 transmission series. This OEM genuine part governs shift timing, clutch pressure modulation, and torque converter lock-up by translating electronic signals from the vehicle’s ECU into precise hydraulic commands. Positioned on the valve body assembly, the SKU 6057.018.028 directly regulates oil flow to the clutch packs and bands. When functioning correctly, it ensures seamless gear changes under varying load conditions. For proper sealing and alignment, this control unit is mounted against the HOUS.FRONT SECT and secured within the HOUSING REAR PART.
Symptoms of Failure
- Erratic or delayed gear engagement — A failing control unit often causes a noticeable lag when shifting from Neutral to Drive or Reverse, especially under cold starts.
- Harsh upshifts and downshifts — Worn solenoids or internal valve sticking within the 6057.018.028 produce jarring shifts that can be felt throughout the vehicle.
- Transmission fluid contamination — Internal debris from a degraded control unit can bypass the SCREEN SHEET, leading to metallic particles in the oil pan.
- Intermittent limp mode activation — The transmission may default to a single gear when the control unit fails to communicate properly with the TRANSMISSION HOUSING ground circuit.
Technical Specifications
| Part Number | 6057.018.028 |
| OEM Reference | ZF 6057 018 028 |
| Material | Die-cast aluminum housing with stainless steel valve spools |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 65 mm |
| Operating Pressure | 8–18 bar |
| Connector Type | 24-pin rectangular (DIN 72585) |
Compatibility
This control unit is engineered for the ZF WG210 series, but it also fits WG180, WG200, and WG250 transmissions produced after 2012. The 6057.018.028 is directly interchangeable with earlier revision 6057.018.025. It requires a CYLINDRICAL PIN for precise alignment during installation. Always verify the transmission serial number against ZF’s service bulletin TSB-2023-04 before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101034 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing torque converter |
| 4657201012 | HOUSING REAR PART | Rear casing supporting output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for control unit |
| 0636100801 | CAP SCREW | M8 fastener for valve body |
| 4656301148 | FIXING PLATE | Retains control unit to housing |
| 4657301032 | SCREEN SHEET | Fine mesh filter (inner) |
| 4657301033 | SCREEN SHEET | Fine mesh filter (outer) |
| 0636100803 | CAP SCREW | M10 fastener for housing |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel adapter |
