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YUCHAI ENGINE

Home / Products / DONGFENG POWERTRAIN / YUCHAI ENGINE / Silicone Oil Damper Assembly OE KJ300-1005240 for Yuchai Engine Truck Part

Silicone Oil Damper Assembly OE KJ300-1005240 for Yuchai Engine Truck Part

This is a genuine silicone oil damper assembly (OE:KJ300-1005240) specifically engineered for Yuchai diesel engines used in Dongfeng heavy-duty trucks, serving as the critical component that absorbs and dampens torsional vibrations from the crankshaft. It features 100% direct fit with original engine mounting points, requiring no modification during installation. Constructed from high-strength steel with a precision-sealed silicone oil chamber, this damper meets Yuchai and Dongfeng’s strict OEM quality standards. Third-party durability testing confirms it provides excellent vibration absorption, resistance to high temperatures and long-term fatigue, making it the ultimate replacement damper, reducing engine stress, preventing premature wear and maintaining smooth engine operation.

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PRODUCT DESCRIPTION

High-Damping Silicone Oil & Precision Steel Construction

This silicone oil damper OE KJ300-1005240 is manufactured to exact Yuchai engine specifications, using premium high-viscosity silicone oil enclosed in a precision-sealed steel housing for maximum vibration absorption. The product features a balanced steel inertia ring that counteracts crankshaft torsional vibrations, reducing stress on the crankshaft and related components. Its heat-resistant design maintains damping performance even under high engine temperatures, while the corrosion-resistant steel housing ensures long-term reliability. The 1:1 original dimensional design ensures seamless installation without modification, delivering consistent vibration control.

Engine Vibration & Crankshaft Damage

Truck operators often face critical issues with substandard dampers, including degraded silicone oil reducing damping efficiency; poor sealing causing oil leaks; and imbalanced components increasing vibration. A faulty damper leads to excessive engine vibration, crankshaft stress, premature wear and even catastrophic engine failure. By choosing the genuine OE KJ300-1005240 damper, users can instantly resolve these problems, ensuring smooth engine operation and protecting critical components from vibration damage.

OEM Quality & Rigorous Vibration Testing

As a key engine protection component, this silicone oil damper complies with Yuchai and Dongfeng’s strict quality standards and has passed comprehensive third-party tests for vibration absorption, heat resistance and fatigue durability. Test data shows the damper maintains effective damping performance under continuous engine operation, resists thermal degradation and meets all applicable engine performance specifications. Each unit undergoes 100% dimensional inspection, balance testing and sealing integrity checks before leaving the factory, guaranteeing complete consistency with original factory parts in performance, durability and fit. Backed by official Yuchai traceability codes, this product ensures 100% authenticity and reliable operation.

Genuine Supply & Easy Installation

We are an authorized supplier of genuine Yuchai engine parts, providing premium engine components, dampers and maintenance accessories to global fleet operators, repair shops and distributors. This silicone oil damper assembly OE KJ300-1005240 is supplied with complete original factory packaging and anti-counterfeit labels, ensuring 100% authenticity. Its direct-fit design allows for quick, tool-friendly installation without custom modification, reducing vehicle downtime by up to 50% compared to aftermarket dampers. The durable steel and silicone construction extends service life, further reducing long-term maintenance costs. We provide a 24-month quality warranty and 24/7 professional technical support for model matching and installation guidance.

TECHNICAL SUPPORT

1. Accessories selection consultation

- Provide ** intelligent selection tools ** (such as parts matching query system), input the vehicle model VIN code or engine model to match the corresponding parts number, reducing the selection error rate.

The technical team is available online 7×12 hours to answer technical questions about accessories (such as material compatibility and installation processes).

2. Customized development support

We offer specialized R&D services for special market demands (such as heat dissipation accessories for high-temperature regions in the Middle East and dedicated suspension components for road conditions in Africa), and complete sample delivery within six weeks.

3. Training and Technical materials

Provide remote/on-site training for the customer's after-sales team (such as diagnosis of electrical control accessories and DPF regeneration operation), along with multilingual versions of the "Accessories Installation Manual" and "Troubleshooting Guide".

4. Quality Traceability and Improvement

Through the QR code traceability system (one product, one code), track the production batch of accessories and the source of raw materials, respond quickly to quality complaints and initiate improvement processes.

AFTER-SALES AND LOGISTICS SUPPORT

After-sales service

Quality Assurance Policy

-The warranty period for original factory parts is 12 months (counting from the date of signature for receipt), covering material defects, process issues, and man-made damage.

- Provide "Localized Express repair Service" : Cooperate with third-party repair networks in markets such as Southeast Asia and the Middle East, and deliver emergency parts to designated repair points within 4 hours.

Return and Exchange Process

-The customer is required to submit the test report (such as a third-party appraisal) within the warranty period. After confirmation by Dongfeng, a reissue or refund will be arranged within 5 working days.

Logistics support

Warehouse Layout

-Five major regional accessory centers have been established globally (Southeast Asia, the Middle East, Africa, South America, and Europe) to achieve "next-day delivery" for mainstream accessories (covering customers within the regions).

Emergency Logistics Plan

-Emergency parts can be directly delivered within 48 hours via the "Dongfeng Exclusive Aviation Special Line" (such as engine ECU, brake valves and other key components).

Packaging Optimization

-Use shockproof and moisture-proof packaging (such as honeycomb cartons + pearl cotton), and reinforce fragile parts (such as glass, sensors), keeping the damage rate within 0.5%.