Overview
The ZF 4642.153.471 CLUTCH is a critical torque-transfer component engineered specifically for the WG 150 series transmission. Positioned within the hydraulic clutch pack assembly, this OEM genuine part modulates power flow between the engine and drivetrain, ensuring smooth gear engagement under heavy industrial loads. The SKU 4642.153.471 is precision-machined to factory tolerances, directly replacing worn units in the WG 150 gearbox to restore original shift quality and prevent premature wear on adjacent assemblies such as the 4642101109: TRANSMISSION HOUSING and the 4642301205: TRANSMISSION HOUSING.
Symptoms of Failure
- Delayed or harsh gear engagement: When the clutch disc wears, hydraulic pressure cannot lock the clutch pack quickly, causing a noticeable lag or jolt during shifting.
- Transmission oil leaks near the bell housing: A degraded clutch piston seal allows ATF to bypass, leaving puddles under the vehicle and reducing system pressure.
- Torque converter shudder at low RPM: Friction material loss on the 4642.153.471 clutch surface creates intermittent slipping, felt as vibration during acceleration from a stop.
- Burning smell from overheated transmission fluid: Slipping clutches generate excessive heat, oxidizing the oil and producing a distinct burnt odor.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4642.153.471 |
| OEM Reference | ZF WG 150 Series |
| Material | Sintered bronze friction lining on steel core |
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 3.5 mm (new) |
| Weight | 0.85 kg |
| Torque Capacity | 450 Nm (max) |
Compatibility
This clutch is primarily designed for the ZF WG 150 transmission, but it also fits select variants in the WG 180 and WG 200 series due to shared clutch pack architecture. Always verify spline count and stack height against your unit. The 4642.153.471 works in conjunction with the 0730365125: TYPE PLATE for correct identification and the 0631311009: GROOVED STUD for secure mounting. For full assembly integrity, inspect the 4642301168: SCREEN SHEET and 4642301169: SCREEN SHEET for debris blockage during replacement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Encloses gear train and clutch assembly |
| 4642301205 | TRANSMISSION HOUSING | Rear housing for WG series |
| 0730365125 | TYPE PLATE | Identification tag for transmission model |
| 0631311009 | GROOVED STUD | Alignment pin for clutch pack |
| 4642301168 | SCREEN SHEET | Oil filter screen for valve body |
| 4642301169 | SCREEN SHEET | Secondary oil filter screen |
| 0636100621 | HEXAGON SCREW | Fastener for clutch housing |
| 4642301186 | SCREEN SHEET | Fine mesh debris screen |
| 4644106231 | SHIFT SYSTEM | Hydraulic shift actuator assembly |
| 4644306470 | GASKET | Seal between clutch housing and cover |
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