Overview
The ZF 0501.330.660 OUTER CLUTCH DISK is a critical friction component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part sits within the clutch pack assembly, where it transfers torque between rotating shafts during gear shifts. The SKU 0501.330.660 specifically serves as the outermost plate in the clutch stack, providing the necessary friction surface to engage and disengage power flow. When paired with the 2098109042: DIFFERENTIAL and the 2098309011: CROWN WHEEL, this disk ensures smooth power delivery from the transmission to the final drive. Its OEM designation guarantees exact fitment and material composition matching ZF’s original engineering specifications.
Symptoms of Failure
- Delayed or harsh gear engagement: A worn outer clutch disk causes noticeable lag when shifting from neutral to drive, or produces a jarring engagement feel as friction material degrades.
- Transmission fluid darkening or burnt smell: Excessive heat from clutch slippage contaminates the oil, producing a distinct burnt odor and discolored fluid that signals internal wear.
- Torque converter shudder at low speeds: When the outer disk loses its friction coefficient, you may feel vibration or shudder during light throttle acceleration, particularly in stop-and-go traffic.
- Intermittent loss of power under load: The transmission may momentarily slip when climbing grades or towing, as the worn disk cannot maintain adequate clamping force.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.330.660 |
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 130 mm (estimated) |
| Thickness | 2.5 mm (new) |
| Material | High-carbon steel with sintered bronze friction lining |
| Weight | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 0501.330.660 |
| Friction Coefficient | 0.12 (dry) / 0.08 (wet) |
Compatibility
This outer clutch disk is specifically designed for ZF WG100, WG130, and WG131 transmissions. It also fits select variants of the WG180 and WG200 series when used in the outer clutch pack position. The part interfaces directly with the 2099209001: DIFFERENTIAL assembly and the 2098309010: DIFFERENTIAL HOUSING in these transmissions. Always verify your transmission model code before ordering, as clutch pack configurations vary between WG series generations.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098109042 | DIFFERENTIAL | Distributes torque between drive wheels |
| 2098309011 | CROWN WHEEL | Transfers power from pinion to differential |
| 2099209001 | DIFFERENTIAL | Alternate differential assembly for WG series |
| 2098309010 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 2098309009 | DIFFERENTIAL HOUSING | Alternate housing variant for heavy-duty applications |
| 2098309031 | AXLE BEVEL GEAR | Drives axle shafts from differential |
| 2098309030 | AXLE BEVEL GEAR | Matching bevel gear for opposite axle |
| 2098309032 | DIFFERENTIAL BEVEL GEAR | Spider gear for differential action |
| 12883200682 | THRUST WASHER | Reduces axial friction in clutch pack |
| 0635332059 | BALL BEARING | Supports rotating shafts in transmission |
ZF 0501.330.660 OUTER CLUTCH DISK – Clutch Disk RFQ Support
ZF 0501.330.660 OUTER CLUTCH DISK is handled as a clutch disk RFQ item for transmission repair buyers who need part-number confirmation and export coordination.
Part-Number Summary
Use ZF number 0501.330.660 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: FRONT AXLE DRIVE
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 0501.330.660 |
|---|---|
| Normalized SKU | 0501330660 |
| Part name | OUTER CLUTCH DISK |
| Product category | clutch disk |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
Related Parts
- ZF 5838.300.306 INNER CLUTCH DISK
- ZF 5838.300.307 OUTER CLUTCH DISK
- ZF 0501.342.428 OUTER CLUTCH DISK
- ZF 0501.342.427 INNER CLUTCH DISK
- ZF 0501.216.833 LINED CLUTCH DISK
