Overview
The ZF 4143.352.037 OUTER CLUTCH DISK is a critical friction component engineered for the HL 100 and HL 270 series transmissions. Positioned within the clutch pack assembly, this genuine OEM part transfers torque between rotating shafts under hydraulic pressure, enabling smooth gear engagement and disengagement. The SKU 4143.352.037 specifically functions as the outermost steel reaction plate in the clutch stack, providing the necessary backing surface for friction discs to lock and release without slippage. When installed alongside the 4143101016 HOUSING and 4143301039 HOUSING, this disk ensures precise axial clearance and heat dissipation during high-load operations.
Symptoms of Failure
- Delayed or harsh gear engagement — Worn outer clutch disks cause hesitation when shifting from neutral to drive, often accompanied by a noticeable clunk as the pack finally locks.
- Transmission fluid overheating — A glazed or warped 4143.352.037 disk generates excessive friction heat, leading to burnt-smelling oil and dashboard temperature warnings.
- Intermittent power loss under load — When the outer disk loses its surface hardness, the clutch pack slips during acceleration, particularly on inclines or with heavy payloads.
- Metallic debris in oil pan — Flaking or pitting of the steel disk releases fine metal particles into the hydraulic circuit, visible during routine fluid changes.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4143.352.037 |
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 2.5 mm (estimated) |
| Material | Hardened SAE 1045 steel with anti-corrosion coating |
| Weight | 0.45 kg (estimated) |
| OEM Reference | ZF 4143.352.037 |
Compatibility
This outer clutch disk is designed for ZF HL 100 and HL 270 series transmissions, commonly found in industrial forklifts, telehandlers, and agricultural loaders. It is also compatible with select WG180 and WG200 models that share the same clutch pack architecture. Always verify the clutch stack count and spline configuration before installation. For complete assembly, pair this disk with the 0501318136 GASKET to seal the housing interface and 0636101084 CAP SCREW for secure fastening of the clutch cover.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101016 | HOUSING | Encloses the clutch pack and supports shaft alignment |
| 4143301039 | HOUSING | Secondary housing for piston and spring assembly |
| 0501318136 | GASKET | Prevents fluid leakage between housing mating surfaces |
| 0636101084 | CAP SCREW | Secures clutch cover to transmission case |
| 0750108044 | PLUG | Seals hydraulic test ports on the housing |
| 0636302014 | SCREW PLUG | Closes oil drain or fill passages |
| 0634801057 | SEALING RING | Creates a static seal between rotating and stationary parts |
| 0730365092 | TYPE PLATE | Identification tag for transmission model and serial number |
| 4143201019 | VALVE INSERT | Regulates hydraulic flow to the clutch piston |
| 0634306198 | O-RING | Provides dynamic seal on clutch piston or valve spool |
ZF 4143.352.037 OUTER CLUTCH DISK – Clutch Disk RFQ Support
Use ZF 4143.352.037 OUTER CLUTCH DISK when preparing clutch-pack sourcing requests. PartsZF can review the number, related parts, and documentation requirements before quotation.
Part-Number Summary
Use ZF number 4143.352.037 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 | 4143.352.037 |
|---|---|
| Normalized SKU | 4143352037 |
| 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
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- ZF 0501.342.427 INNER CLUTCH DISK
- ZF 0501.216.833 LINED CLUTCH DISK
