Overview
The ZF 4699.372.047 STEERING GEAR is a critical OEM genuine component engineered for the WG100, WG130, and WG131 transmission series. This part functions as the primary steering control interface within the gearbox assembly, translating rotational input into precise hydraulic or mechanical movement for vehicle maneuvering. The SKU 4699.372.047 is manufactured to ZF’s exacting tolerances, ensuring seamless integration with the 4699101044 HOUSING and the 4699301111 HOUSING to maintain structural integrity under high torque loads. This steering gear is positioned directly within the valve body assembly, where it modulates fluid flow to the steering cylinders, making it indispensable for responsive and reliable operation in heavy-duty industrial applications.
Symptoms of Failure
- Erratic steering response or gear slipping: When the 4699.372.047 wears, operators may notice delayed or jerky steering inputs, often described as “ZF transmission steering gear slipping” during low-speed maneuvers.
- Hydraulic fluid leaks near the steering housing: A common failure symptom is oil weeping from the steering gear seals, leading to “ZF WG100 steering gear oil leak” issues that reduce system pressure and performance.
- Unusual grinding or whining noises: Worn internal teeth or bearings produce audible “ZF transmission steering gear noise” during turns, indicating imminent failure of the steering gear assembly.
- Increased steering effort or binding: Operators may experience “hard steering in ZF WG130 transmission” due to internal wear or contamination, often requiring replacement of the steering gear and associated seals.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4699.372.047 |
| Material | Hardened alloy steel with corrosion-resistant coating |
| Weight | 1.85 kg (4.08 lbs) |
| Overall Length | 142 mm |
| Outer Diameter | 48 mm |
| Spline Count | 22-tooth involute spline |
| OEM Reference | ZF 4699.372.047 (Genuine) |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This steering gear is specifically designed for the ZF WG100, WG130, and WG131 transmission models, which are commonly found in medium-duty trucks, construction equipment, and agricultural machinery. It is also compatible with the WG180 and WG200 series when used with the appropriate 4699301054 HOUSING COVER and 4699301055 COVER adapters. For optimal sealing, pair this steering gear with the 0634303996 O-RING and the 0734307408 PROTECTION CAP to prevent contamination. Always verify your transmission model’s serial number before installation to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101044 | HOUSING | Encloses the steering gear and supports shaft alignment |
| 4699301111 | HOUSING | Secondary housing for valve body integration |
| 4699301054 | HOUSING COVER | Seals the steering gear compartment and prevents debris ingress |
| 4699301055 | COVER | Protects the steering gear spline end from damage |
| 4699301014 | THREAD PROTECTIVE SHIELD | Guards threads during assembly and disassembly |
| 0634303996 | O-RING | Provides hydraulic seal between steering gear and housing |
| 0734307408 | PROTECTION CAP | Prevents contamination of the steering gear bore |
| 0634309600 | SHAFT SEAL | Prevents oil leakage along the steering gear shaft |
| 0630502032 | RETAINING RING | Secures the steering gear in position within the housing |
| 0637885612 | BREATHER | Equalizes pressure and vents moisture from the steering gear cavity |
ZF 4699.372.047 STEERING GEAR – Gear RFQ Support
ZF 4699.372.047 STEERING GEAR is handled as a gear-train sourcing item for transmission repair teams. PartsZF can review the part number and documentation before quotation.
Part-Number Summary
Use ZF number 4699.372.047 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 PARTS
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 | 4699.372.047 |
|---|---|
| Normalized SKU | 4699372047 |
| 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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