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Product Details
Product Overview
This premium DB58 Rocker Arm Seat is a critical component engineered for Doosan diesel engines commonly found in heavy construction and industrial equipment. Designed to provide precise valve actuation and reduce wear on the rocker arm assembly, this part ensures optimal engine performance and longevity.
Manufactured to OEM specifications, this rocker arm seat is suitable for a wide range of equipment including excavators, trucks, forklifts, bulldozers, buses, and loaders. It is a direct replacement part that maintains the exact dimensional and material standards required for reliable operation in demanding work environments.
Whether you are rebuilding a Doosan DB58 engine or replacing a worn rocker arm seat, this component offers the durability and precision needed to restore your engine to peak performance. The part is thoroughly inspected and tested to meet rigorous quality standards before shipment.
Key Features & Benefits
OEM Standard Dimensions: Manufactured to original equipment specifications for seamless fitment and reliable operation without modification.
Durable Construction: Made from high-strength materials to withstand the heavy loads and high temperatures experienced in diesel engine valve trains.
Precision Machining: CNC-machined surfaces ensure accurate alignment and smooth rocker arm movement, reducing friction and wear.
Extended Service Life: Designed to match or exceed the lifespan of the original part, minimizing downtime and replacement frequency.
Universal Application: Suitable for multiple equipment types including excavators, trucks, forklifts, bulldozers, buses, and loaders using the DB58 engine platform.
Cost-Effective Solution: Offers competitive pricing without compromising on quality, providing excellent value for fleet maintenance and engine rebuilds.
Technical Specifications
Specification
Details
Part Name
Rocker Arm Seat
Engine Model
DB58
Engine Type
Diesel
Size
OEM Size
Weight
1 kg
Material
High-strength alloy steel
Warranty
6 Months
Place of Origin
Guangdong, China; Guizhou, China
Machinery Test Report
Provided
Video Outgoing Inspection
Provided
OEM Cross-Reference
This DB58 Rocker Arm Seat is designed as a direct replacement for the following OEM part numbers:
Doosan DB58 Rocker Arm Seat (OEM specification)
Compatible with all standard DB58 engine rocker arm assemblies
Note: For exact OEM number cross-referencing, please verify your original part number against the specifications and dimensions provided. Contact our technical support team for assistance if needed.
Compatibility
This rocker arm seat is commonly used for the following applications:
Engine Models: Doosan DB58 diesel engine
Equipment Types: Excavators, trucks, forklifts, bulldozers, buses, loaders, and other heavy machinery using the DB58 engine platform
Important Fitment Note: While this part is designed to OEM specifications for the DB58 engine, we recommend verifying compatibility with your specific equipment model and engine serial number before purchase. Variations in engine configurations may exist across different equipment manufacturers.
Global Supply & Distribution
We maintain a robust global supply chain to serve B2B customers across all major markets. Our distribution network enables fast and reliable delivery to:
North America: Major ports including Los Angeles, Houston, and New York
Europe: Rotterdam, Hamburg, and Antwerp hubs
Asia-Pacific: Singapore, Shanghai, and Tokyo distribution centers
Middle East: Dubai and Jebel Ali ports
Africa & South America: Direct shipping to major industrial centers
We offer worldwide shipping with competitive freight rates and flexible logistics options including air freight, sea freight, and express courier services. Our export team handles all international trade documentation and customs compliance to ensure smooth delivery to your door.
Quality Assurance
Every DB58 Rocker Arm Seat undergoes rigorous quality control procedures to ensure it meets the highest standards of performance and reliability:
Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machining and heat treatment processes
Inspection Process: 100% dimensional inspection using calibrated measuring equipment
Testing: Machinery test reports and video outgoing inspection are provided for every order
Warranty: Backed by a 6-month warranty against manufacturing defects
Traceability: Each part is batch-numbered for full production traceability
FAQ
Q: How do I verify this rocker arm seat fits my DB58 engine?
A: To ensure correct fitment, compare the dimensions of your original rocker arm seat with the specifications listed in our technical table. The part is manufactured to OEM size standards for the DB58 engine. If you have your engine serial number or original part number, our technical support team can assist with cross-referencing. We recommend visual confirmation of the mounting hole pattern and overall dimensions before installation.
Q: What maintenance is recommended after installing a new rocker arm seat?
A: After installation, it is important to properly adjust the valve clearance according to the DB58 engine service manual specifications. We recommend checking the rocker arm assembly for proper lubrication during the first 50 hours of operation. Regular oil changes and using the correct viscosity grade diesel engine oil will help maximize the service life of the rocker arm seat and associated valve train components.
Q: Can this part be used in high-hour or rebuilt engines?
A: Yes, this rocker arm seat is suitable for both engine rebuilds and replacement in high-hour engines. However, we recommend inspecting the mating surfaces of the rocker arm shaft and cylinder head for wear before installation. If the rocker arm shaft shows significant wear or scoring, it should be replaced simultaneously to ensure proper fit and prevent premature failure of the new rocker arm seat. Always follow the engine manufacturer’s rebuild specifications for best results.
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