SINOTRUK HOWO WG97254781181 Power Steering Gear Heavy Duty Truck Steering System / Hydraulic Power Steering System Parts
SINOTRUK HOWO Steering System / Hydraulic Power Steering System Parts WG97254781181 Power Steering Gear
The WG97254781181 Power Steering Gear is a hydraulic steering gearbox used in compatible SINOTRUK HOWO heavy-duty trucks and forms a key part of the vehicle's steering system. Installed between the steering input mechanism and the steering linkage, the steering gear converts the driver's steering-wheel movement into mechanical movement while using hydraulic assistance to reduce steering effort. This function is especially important on heavy commercial vehicles, where the vehicle's overall weight, front axle load, and tire contact resistance can make manual steering considerably more demanding than on smaller vehicles. During daily operation, the steering gear works together with the hydraulic steering pump, steering column, pitman arm, and related linkage components to provide controlled directional input to the front wheels. A steering gear that develops excessive free play, abnormal steering response, hydraulic fluid leakage, or unusual operating resistance may require inspection and, depending on the diagnosis, replacement. The WG97254781181 provides a specific OEM number reference for SINOTRUK HOWO steering system maintenance and is suitable for truck repair, steering gearbox replacement, and commercial vehicle spare parts supply. Before purchasing, buyers should compare the original part number, steering gear appearance, mounting points, hydraulic port arrangement, and vehicle configuration to ensure the replacement unit matches the existing steering system.
Product Specification
| Product Name |
Power Steering Gear |
|---|---|
| Alternative Name |
Hydraulic Steering Gear / Steering Gearbox |
| Condition | New |
| Origin | China |
| Quality Standard | 100% Tested |
| Quality Certification | ISO, CCC, GSO, CE, SGS, TUV |
| Weight | 36.0 KG |
| Dimensions |
380 mm × 280 mm × 250 mm |
Q1: Why is hydraulic assistance important on heavy trucks?
Heavy-duty trucks carry significantly greater loads than passenger vehicles. Hydraulic steering assistance helps reduce steering effort, particularly during low-speed maneuvering, parking, loading-area operations and other situations requiring substantial steering input.
Q2: What symptoms may indicate a steering gear problem?
Possible signs include:
- Excessive steering-wheel free play
- Abnormal steering response
- Hydraulic fluid leakage
- Unusual steering resistance
- Steering wheel not returning normally
- Irregular steering operation
These symptoms can also be caused by the steering pump, linkage, steering column, or other components, so the complete steering system should be inspected before replacing the gearbox.
Q3: Is WG97254781181 a steering pump?
No. The product is a power steering gear/steering gearbox. The hydraulic steering pump is a separate component that supplies pressurized fluid to the steering system.
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