Overview
The ZF 4645.351.001 OUTER CLUTCH DISK is a critical friction component engineered for the WG100, WG130, and WG131 transmission series. Positioned within the clutch pack assembly, this OEM genuine part transfers torque between rotating elements during gear shifts. The SKU 4645.351.001 interfaces directly with the 4143101009: HOUSING and the 4143301025: HOUSING to maintain precise hydraulic pressure and alignment. Without this disk, the transmission cannot engage or disengage clutches reliably, leading to driveline disconnection.
Symptoms of Failure
- Delayed or harsh gear engagement: Worn friction material causes slipping during shifts, often accompanied by a noticeable shudder when accelerating from a stop.
- Transmission overheating: Excessive slipping generates heat, triggering warning lights or burnt fluid odors. This is a common long-tail search query for WG130 owners.
- Loss of power transfer under load: The clutch disk fails to grip, causing engine RPM to rise without corresponding vehicle speed—especially noticeable on inclines.
- Metallic grinding noises: Complete wear exposes the steel core, producing a grinding sound during gear changes. Immediate replacement is required to avoid damaging the 0634313603: O-RING and adjacent seals.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4645.351.001 |
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 3.5 mm (new) |
| Material | Sintered bronze on steel core |
| Weight | 0.45 kg |
| OEM Reference | ZF 4645.351.001 |
| Torque Capacity | 450 Nm (estimated) |
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 with the correct 4475280018: SCREW PLUG and support rings. Always verify your transmission model code before ordering. The disk is not compatible with older WG80 or WG90 units without modification to the clutch pack stack height.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101009 | HOUSING | Encloses clutch pack and directs oil flow |
| 4143301025 | HOUSING | Secondary housing for piston assembly |
| 0634313603 | O-RING | Seals hydraulic pressure between housings |
| 4475280018 | SCREW PLUG | Secures oil passages in the valve body |
| 0501342341 | SUPPORT RING | Prevents disk distortion under load |
| 4143298457 | SEAL KIT | Complete set of gaskets for overhaul |
| 0634313591 | O-RING | Piston seal for clutch apply circuit |
| 0636101068 | CAP SCREW | Fastens housing to transmission case |
| 4143221013 | THROTTLE VALVE | Modulates shift pressure based on load |
| 0634304484 | O-RING | Seals throttle valve bore |
ZF 4645.351.001 OUTER CLUTCH DISK – Clutch Disk RFQ Support
PartsZF helps B2B buyers source ZF 4645.351.001 OUTER CLUTCH DISK with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This clutch disk page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 4645.351.001 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: COUPLING
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 | 4645.351.001 |
|---|---|
| Normalized SKU | 4645351001 |
| Part name | OUTER CLUTCH DISK |
| Product category | clutch disk |
| Cross-reference support | Available for RFQ review |
| Weight | 0.031 |
Image and Documentation Notes
Current product media status: diagram. 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 4646.351.182 INNER CLUTCH DISK
- ZF 2093.359.051 INNER CLUTCH DISK
- ZF 0501.313.598 OUTER CLUTCH DISK
- ZF 4661.351.003 OUTER CLUTCH DISK
- ZF 0501.228.272 INNER CLUTCH DISK

