The Rocker Arm Assembly YZ972557000002 is an OEM-standard valve train component designed for Chinese brand heavy-duty truck engines, including SINOTRUK HOWO series. Installed in the engine cylinder head, this assembly transfers camshaft motion to the intake and exhaust valves, ensuring accurate valve timing and stable engine operation.
Manufactured from high-strength alloy steel with precision machining and heat treatment, the rocker arm assembly provides excellent wear resistance, high fatigue strength, and long service life. It is engineered to operate reliably under high temperature, high speed, and continuous load conditions, making it suitable for heavy-duty and long-haul applications.
Produced strictly according to OEM technical specifications, the rocker arm assembly ensures accurate dimensions, smooth operation, and direct installation, maintaining original engine performance and efficiency.
Designed for Chinese brand heavy-duty truck engines
Compatible with SINOTRUK HOWO series
OEM-standard rocker arm assembly
High-strength alloy steel construction
Precision machining and heat treatment
Excellent wear and fatigue resistance
Ensures accurate valve operation
| Item | Description |
|---|---|
| Product Name | Rocker Arm Assembly |
| Part Number | YZ972557000002 |
| Vehicle Brand | SINOTRUK HOWO / Chinese Brand Trucks |
| Application System | Engine Valve Train System |
| Material | High-Strength Alloy Steel |
| Manufacturing Process | Precision Machining & Heat Treatment |
| Function | Valve Actuation & Timing Control |
| Installation Type | OEM Direct Replacement |
| Vehicle Type | Heavy Duty Truck |
| Condition | New |
| Quality Level | OEM Standard |
| Packaging | Standard Export Packaging |
| Origin | China |
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