V-Belt tensioner Belt tensioner for VO LVO Tensioner bearing pulley OE 31251250 Polea tensora

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

• 20 years of specialized auto parts industry experience
• Expert technical team for comprehensive support
• Direct partnerships with repair shops for real-world feedback
• Premium quality parts ensuring reliability and durability
• Extensive inventory with over 500,000+ items ready to ship
• Responsive customer service with quick turnaround
• Customized solutions for specific vehicle requirements
• Professional technical guidance and installation support
• Comprehensive 12-month warranty coverage
• Competitive pricing through optimized supply chains
• Rigorous quality control meeting industry standards
• Efficient global shipping via multiple carriers

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.