Overview
The ZF 4699.172.076 STEERING PARTS component is a critical OEM genuine part designed for the hydraulic steering control system within heavy-duty construction machinery transmissions. This precision-engineered element manages fluid flow and pressure regulation, ensuring responsive steering under extreme loads. As a direct replacement for worn units, the SKU 4699.172.076 restores original ZF performance by maintaining proper alignment and sealing within the steering valve assembly. It integrates directly with the 4699101086: HOUSING and 4699301223: HOUSING to form a leak-proof steering circuit.
Symptoms of Failure
When the ZF 4699.172.076 steering part deteriorates, operators often notice specific performance issues. Look for these failure indicators:
- Erratic steering response: Delayed or jerky wheel movement under load, especially during low-speed maneuvers.
- Hydraulic fluid seepage: Visible oil leaks around the steering housing connections, often accompanied by a drop in reservoir levels.
- Excessive steering effort: Increased resistance when turning, requiring more force than normal.
- Unusual whining or groaning noises: Air entrapment or cavitation in the steering circuit due to worn internal seals.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4699.172.076 |
| OEM Reference | ZF 4699.172.076 |
| Material | Hardened steel with nitrile sealing elements |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 95 mm x 45 mm x 35 mm |
| Thread Size | M14 x 1.5 (inlet/outlet ports) |
| Operating Pressure | Up to 180 bar |
| Temperature Range | -20°C to +120°C |
Compatibility
This OEM genuine steering part is engineered for ZF WG-series transmissions commonly found in wheel loaders, graders, and excavators. It is compatible with the following ZF models:
- ZF WG180
- ZF WG200
- ZF WG210
- ZF WG310
For proper installation, always pair this component with the 0636302022: SCREW PLUG and 0501319149: SCREW PLUG to secure hydraulic ports and prevent contamination.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101086 | HOUSING | Encloses steering valve assembly |
| 4699301223 | HOUSING | Secondary housing for fluid routing |
| 0636302022 | SCREW PLUG | Seals hydraulic test ports |
| 0501319149 | SCREW PLUG | Threaded plug for drain ports |
| 0634801038 | SEALING RING | Prevents fluid leakage at joints |
| 0730365801 | TYPE PLATE | Identification label for transmission |
| 0501323165 | SHAFT SEAL | Rotary seal for steering shaft |
| 4699301222 | COVER | Protective cover for valve access |
| 0634303996 | O-RING | Static seal for housing flanges |
| 0630513060 | SNAP RING | Retains internal components |
