Overview
The ZF 0501.214.009 OUTER CLUTCH DISK is a critical friction component engineered for the WG158 and WG200 series transmissions. This OEM genuine part sits within the clutch pack assembly, where it transfers torque between rotating elements during gear shifts. As a steel-backed friction plate, it engages with the inner clutch disks to lock or release planetary gear sets, enabling smooth power flow through the drivetrain. The SKU 0501.214.009 is precision-machined to ZF’s original tolerances, ensuring consistent clamping force and heat dissipation under heavy-duty industrial loads. When paired with a properly sealed TRANSMISSION HOUSING, this disk maintains optimal hydraulic pressure within the clutch circuit.
Symptoms of Failure
- Delayed or harsh gear engagement: Worn friction material causes slipping, especially when shifting from neutral to drive under load.
- Burning smell from transmission fluid: Overheated clutch disks generate acrid odors due to excessive friction and glazing.
- Erratic shift timing: The transmission may hunt for gears or flare during upshifts as the outer disk fails to grip properly.
- Metallic debris in oil pan: Flaking friction material or worn steel separator plates contaminate the fluid, often requiring replacement of the HOUS.FRONT SECT and related seals.
Technical Specifications
| Parameter | Value |
|---|---|
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 2.5 mm (new) |
| Material | Steel core with sintered bronze friction lining |
| Weight | 0.45 kg |
| OEM Reference | ZF 0501.214.009 |
| Hardness | HRC 38-42 (core) |
Compatibility
This outer clutch disk is designed for ZF WG158 and WG200 series transmissions, commonly found in medium-duty trucks, buses, and construction equipment. It directly replaces OEM part 0501.214.009 in clutch packs A, B, and C. Compatible models include WG158, WG180, WG200, and WG210 variants. Always verify the spline count and stack height against your existing assembly. For proper installation, ensure the OIL TUBE is clear of debris and the HOUSING REAR PART is torqued to factory specifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101023 | TRANSMISSION HOUSING | Encloses clutch pack and valve body |
| 4656201016 | HOUS.FRONT SECT | Front section housing input shaft |
| 4656301142 | OIL TUBE | Routes lubrication to clutch disks |
| 4656201029 | HOUSING REAR PART | Rear section supporting output shaft |
| 0631306816 | CYLINDRICAL PIN | Aligns housing sections |
| 4656301148 | FIXING PLATE | Secures clutch pack retention |
| 0636102489 | CAP SCREW | Fastens housing bolts |
| 4656301016 | SCREEN SHEET | Filter debris from oil flow |
| 4656301017 | SCREEN SHEET | Secondary oil filtration |
| 0636100803 | CAP SCREW | Mounts valve body assembly |
{
“@context”: “https://schema.org”,
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “What is the ZF 0501.214.009 outer clutch disk used for?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “This outer clutch disk is used in ZF WG158 and WG200 series transmissions to engage and disengage planetary gear sets during shifting. It works with inner disks to transfer torque smoothly under heavy loads.”
}
},
{
“@type”: “Question”,
“name”: “How do I know if my outer clutch disk needs replacement?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Common signs include delayed gear engagement, a burning smell from transmission fluid, erratic shift timing, and metallic debris in the oil pan. These symptoms indicate worn friction material or glazing.”
}
},
{
“@type”: “Question”,
“name”: “Can I install this disk without replacing related components?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “While possible, it is recommended to inspect the transmission housing, oil tube, and housing rear part for wear. Replacing seals and screens simultaneously ensures optimal clutch pack performance and longevity.”
}
}
]
}
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.





