21983651 مجموعة بكرة شد سير المروحة لسيارات فولفو

21983651 Fan Belt Tensioner Pulley Assy for Volvo

Product Details

1.Precision bearings and long-lasting durability

Employing high-precision sealed bearings and a wear-resistant alloy housing, the assembly effectively reduces frictional resistance and adapts to high-load, long-term operating conditions. Before leaving the factory, the assembly undergoes rigorous dynamic balancing testing to ensure uniform belt tension and smooth operation, significantly extending the lifespan of the fan belt and tensioner, and reducing replacement frequency and maintenance costs.

2.Intelligent automatic tension adjustment

Featuring a built-in high-elasticity torsion spring and damping structure, it automatically compensates for belt wear or temperature changes to maintain constant tension, preventing belt slippage, abnormal noise, or breakage due to excessive tightness. Compatible with various truck engine models, it is easy to install, requiring no frequent manual adjustments, ensuring stable operation of accessories such as the cooling system, air conditioning compressor, and generator, thus improving overall vehicle reliability.

3.Adaptability to harsh environments

The housing is treated for rust and dust prevention, and equipped with high and low temperature resistant rubber seals, enabling continuous and stable operation in extreme environments and under conditions of mud, water, and oil. The reinforced bracket and bolt holes are precisely molded, making it shock-resistant and impact-resistant, preventing resonance and loosening, and providing long-lasting safety for long-distance heavy-duty transportation.

Product Advantages

This product uses high-grade bearings and wear-resistant pulleys, precisely controlling tension to effectively prevent belt slippage and abnormal noise. The optimized assembly structure provides shock absorption and automatically compensates for belt tension, significantly extending the life of the belt and accessories. Easy to install, conforms to original vehicle standards, and provides stable and reliable transmission for the engine cooling system, adapting to heavy loads and complex road conditions.

FAQ

Q: Can you do OEM? 

A: Yes, we can do OEM/ODM as you required.

Q: Can you offer the technical support, online or site training or other.

A:We will offer technical support like operating manual, operating videos to support or provided training material of the detailed products you are interested in. 

Q: May I have a free sample? I need test your quality first. 

A: We are regret to tell you that we could not offer free sample to our customers, which is our company rule. But if you agree, we can quote special price to better support you for trail order.