Overview
The ZF 4166.034.052 CONVERTER Torque Converter Assembly is a critical hydraulic component responsible for transferring engine torque to the transmission input shaft while multiplying power during low-speed operation. Positioned between the flexplate and the pump drive hub in the WG 210 Series, this complete unit ensures smooth power delivery and efficient fluid coupling. The SKU 4166.034.052 is engineered to OEM specifications, replacing worn or damaged converters to restore driveline performance and prevent premature transmission wear. When installed alongside a robust 4657101034: TRANSMISSION HOUSING, this assembly maintains proper alignment and fluid sealing within the torque converter circuit.
Symptoms of Failure
When the ZF 4166.034.052 torque converter begins to fail, operators often notice “torque converter shudder during acceleration” as the internal clutch or stator vanes lose grip. Another common symptom is “transmission overheating and fluid darkening,” caused by excessive slippage generating friction heat. You may also experience “delayed or harsh gear engagement” when the converter fails to lock up properly, leading to “low stall speed and poor hill climbing power.” Finally, “whining or grinding noises from the bell housing” indicate bearing or impeller damage, requiring immediate replacement of the complete unit.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4166.034.052 |
| Type | Complete Torque Converter Assembly |
| Outer Diameter | ~340 mm |
| Mounting Bolt Pattern | 6-bolt, 180 mm PCD |
| Weight | ~18.5 kg |
| Housing Material | Cast Aluminum Alloy |
| Internal Clutch | Lock-up clutch with damper |
| OEM Reference | ZF 4166.034.052 |
| Fluid Capacity | ~1.2 L |
Compatibility
This torque converter assembly is designed primarily for the ZF WG 210 Series transmissions, including models WG180, WG200, and WG210. It also fits select variants of the ZF 6WG and 8WG series used in heavy-duty trucks, buses, and off-highway equipment. For proper installation, ensure the transmission housing is in good condition; consider pairing this unit with a 4657201027: HOUS.FRONT SECT and a 4657201012: HOUSING REAR PART to ensure correct alignment. Additionally, a 0631306792: CYLINDRICAL PIN is required for precise dowel positioning during reassembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101034 | TRANSMISSION HOUSING | Encloses and supports gear train and converter |
| 4657201027 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657201012 | HOUSING REAR PART | Rear section of transmission housing |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing and converter |
| 4656301148 | FIXING PLATE | Secures converter to flexplate |
| 4657301032 | SCREEN SHEET | Filter screen for oil circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Additional housing fastener |
| 4681301040 | OIL FEED.HOUSG. | Oil feed line housing for converter |
Frequently Asked Questions
Q: How do I know if the ZF 4166.034.052 torque converter is failing?
A: Look for symptoms like shuddering during acceleration, transmission overheating, delayed engagement, or unusual whining noises. A stall speed test can confirm internal wear.
Q: Can I install this converter without replacing the transmission housing?
A: Yes, but we recommend inspecting the TRANSMISSION HOUSING for cracks or wear. Also check the CYLINDRICAL PIN for damage to ensure proper alignment.
Q: What is the typical lifespan of this torque converter assembly?
A: With proper maintenance and clean fluid, the 4166.034.052 can last 150,000–200,000 miles. Overheating or contamination will significantly reduce its service life.
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Phone: +86 158 2286 3467 |
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