Product Description:

Tensioner pulley
OE NO.: 31251250 30684344

Applicable vehicle type: For VO LVO

The automotive tensioner pulley (also known as a belt tensioner pulley or idler pulley) is a critical component within the vehicle's drive train system, designed to maintain appropriate tension on belts or chains. Typically positioned near engine components such as the timing belt, alternator belt, or air conditioning belt, it applies pressure to the belt via a spring or hydraulic mechanism. This prevents slackening or slippage during operation, ensuring synchronised functioning of all connected components.


Principal Types
1. Automatic Tensioner Pulley
Requires no manual adjustment, automatically adapting to belt length variations
Offers maintenance-free operation, low noise, and compact design
Widely adopted in modern passenger car engines
2. Mechanical Tensioner
Provides tension via torsion or coil springs
Simple construction with lower cost
Requires periodic tension checks
3. Hydraulic Tensioner
Generates tension using hydraulic pressure
Commonly used in timing chain systems
Delivers smoother operation with reduced noise

Multiply Brands Auto Parts We Offer:

Why choice us:

1. Industry Experience: 20 years of experience in the auto parts industry, with in-depth market and product knowledge.

2. Professional Team: A team of experienced experts who can professionally answer all customer inquiries about auto parts.

3. Direct Partnerships: Direct partnerships with multiple auto repair shops, offering first-hand industry feedback and technical support.

4. High-Quality Products: Providing high-quality auto parts to ensure reliability and durability.

5. Comprehensive Inventory: A wide range of product lines and ample inventory to meet diverse customer needs.

6. Quick Response: Offering rapid response services to quickly address customer questions and needs.

7. Customized Services: Providing customized part solutions to meet specific vehicle or customer requirements.

8. Technical Support: Offering professional technical support and installation guidance.

9. After-Sales Service: A strong after-sales service network to ensure customers receive necessary support after product use,If you have any questions after receiving the goods, please contact us in time and we will provide the best solution.

10. Price Advantage:Competitive pricing due to long-standing supply chain relationships.

11. Quality Assurance:All products go through strict quality control processes to meet industry standards.

12. Fast Shipping: Over 500000+ in stock, we can ship them in a short time.

Company Profile:

Beijing Huarui Jietong Trading Co., Ltd. has been engaged in the automotive aftermarket for 20 years and is a professional supplier of auto parts. Located in the capital of China, Beijing, we have factories in Beijing, Guangzhou, and Jiangsu, which enable us to meet our customers' demands for quality and quantity in a timely and efficient manner.



The company primarily focuses on accessories for Land Rover, Jaguar, and VO LVO product series, including Air Conditioning Systems, Braking Systems, Driving Systems, Engine Systems, Cooling Systems, Auto Body Systems, Steering Systems, Suspension Systems, Transmission Systems, and other related parts. Facing the trend of economic globalization, our company is committed to bringing better products and services to the world, providing high-quality products and services for domestic and foreign enterprises and customers.

We welcome any inquiries and look forward to your contact.







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