Overview
The ZF 0501.331.434 STEERING GEAR is a critical OEM genuine component engineered for the WG100, WG130, and WG131 transmission series. This part functions as the primary control mechanism within the hydraulic steering system, translating operator input into precise directional movement of the vehicle. Positioned within the transmission’s valve body assembly, the steering gear modulates fluid flow to engage clutch packs and shift gears smoothly. The SKU 0501.331.434 is manufactured to ZF’s exacting tolerances, ensuring reliable performance under high-load industrial applications. When replacing this unit, it is essential to inspect the surrounding 4699101043 HOUSING and 4699301106 HOUSING for wear, as these components work in tandem to maintain system integrity.
Symptoms of Failure
- Erratic gear engagement or slipping – A worn steering gear can cause delayed or inconsistent shifting, often described as “transmission hunting” during acceleration or deceleration.
- Hydraulic fluid leaks near the valve body – Deteriorated seals or cracked gear housing may lead to visible oil drips, particularly around the 4699301015 HOUSING COVER and 4699301085 COVER.
- Increased steering effort or unresponsive controls – Operators may notice stiffness or a lack of feedback when turning, indicating internal gear tooth wear or binding.
- Unusual whining or grinding noises – Metallic sounds from the transmission area often signal that the steering gear’s bearings or splines have failed.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.331.434 |
| Material | Hardened alloy steel with corrosion-resistant coating |
| Weight | Approx. 2.4 kg (5.3 lbs) |
| Dimensions (L x W x H) | 180 mm x 95 mm x 70 mm |
| OEM Reference | ZF 0501.331.434 (Genuine) |
| Operating Pressure | Up to 25 bar (362 psi) |
| Temperature Range | -20°C to +120°C |
Compatibility
This steering gear is specifically designed for ZF WG100, WG130, and WG131 transmission models. It is also compatible with the WG180 and WG200 series when used in conjunction with the correct 4699301015 HOUSING COVER and 4699301085 COVER. Always verify your transmission’s serial number before installation, as variations exist in older WG200 units. For WG250 applications, consult ZF technical documentation to ensure proper fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101043 | HOUSING | Encloses the steering gear assembly |
| 4699301106 | HOUSING | Secondary housing for valve body support |
| 4699301015 | HOUSING COVER | Seals the top of the steering gear housing |
| 4699301085 | COVER | Protects internal components from debris |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during installation |
| 0634303980 | O-RING | Creates a hydraulic seal between components |
| 0734307407 | PROTECTION CAP | Covers exposed ports to prevent contamination |
| 0634309600 | SHAFT SEAL | Prevents fluid leakage along the steering shaft |
| 0630502032 | RETAINING RING | Secures bearings and gears in position |
| 0637885612 | BREATHER | Equalizes pressure inside the transmission housing |
ZF 0501.331.434 STEERING GEAR – Gear RFQ Support
Use ZF 0501.331.434 STEERING GEAR as the reference when requesting gear support. Photos, visible markings, and transmission context help reduce sourcing uncertainty.
Part-Number Summary
Use ZF number 0501.331.434 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: STEERING GEAR
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 | 0501.331.434 |
|---|---|
| Normalized SKU | 0501331434 |
| Part name | STEERING GEAR |
| Product category | gear |
| 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.
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