Overview
This OEM genuine ZF 6009.092.403 component is a critical hydraulic control element specifically engineered for the WG 190 Series transmission family. Positioned within the valve body assembly, this part regulates oil flow to the clutch packs and torque converter, ensuring precise shift timing and pressure modulation. The SKU 6009.092.403 is manufactured to ZF’s original tolerances, making it a direct replacement for worn units in heavy-duty commercial vehicles and off-highway machinery. When installed alongside the 4657101033: TRANSMISSION HOUSING, it maintains the structural integrity required for high-torque applications.
Symptoms of Failure
- Erratic gear engagement and delayed shifting – When the 6009.092.403 wears, internal spools stick, causing harsh or delayed clutch application. This is a common search query for “ZF WG190 shift hesitation.”
- Internal hydraulic pressure loss – Worn sealing lands lead to low line pressure, resulting in “transmission slipping under load” or “WG190 torque converter shudder.”
- Contaminated transmission fluid – Debris from a failing valve body component can circulate through the system, often flagged as “metal shavings in ZF transmission pan.”
- Intermittent neutral condition – A stuck valve can cause the transmission to momentarily lose drive, a symptom frequently searched as “WG190 drops out of gear.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6009.092.403 |
| Material | Hardened alloy steel with corrosion-resistant coating |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 142 mm |
| Width | 38 mm |
| Height | 28 mm |
| OEM Reference | ZF 6009.092.403 |
| Operating Pressure | 12–18 bar |
Compatibility
This genuine ZF 6009.092.403 is designed for the WG 190 Series, but its valve body architecture also supports the WG 180 and WG 200 transmissions used in municipal trucks, cranes, and fire apparatus. It integrates directly with the 4657201027: HOUS.FRONT SECT and the 4657201012: HOUSING REAR PART to form the complete valve body assembly. For precise alignment during installation, the 0631306792: CYLINDRICAL PIN is required to locate the component correctly within the housing bore.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear train and valve body |
| 4657201027 | HOUS.FRONT SECT | Front section of the valve body housing |
| 4657201012 | HOUSING REAR PART | Rear section of the valve body housing |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for precise housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing valve body sections |
| 4656301148 | FIXING PLATE | Retaining plate for valve body components |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4657301033 | SCREEN SHEET | Secondary mesh filter for debris protection |
| 0636100803 | CAP SCREW | High-torque fastener for housing attachment |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel housing for clutch cooling |
Frequently Asked Questions
Q: How do I know if the 6009.092.403 is the cause of my WG190 shifting problems?
A: If you experience delayed engagement or harsh shifts after ruling out solenoid faults, the 6009.092.403 valve body component is a likely culprit. A pressure test showing erratic line pressure confirms internal wear.
Q: Can I replace this part without removing the transmission?
A: Yes, the 6009.092.403 is accessible after removing the transmission oil pan and valve body cover. However, you must also inspect the 4657301032: SCREEN SHEET for contamination during service.
Q: Is this part interchangeable with earlier WG180 valve body components?
A: The 6009.092.403 is specific to the WG190’s updated hydraulic circuit. While it physically fits WG180 housings, pressure ratings differ. Always verify compatibility with your transmission’s serial number.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
