China high quality 4L450-A43 High Performance Agri Garden Aramid V-Belt cv axle replacement

Product Description

4L450-A43 High Performance Agri Garden Aramid V-Belt

A43 4L450 v belt. 1/2″ wide x 45″ outside length. Reinforced with Aramid fiber.
Salt Pepper Kevlar Cord Lawnmower V Belt
A43 / 4L450 1/2″ X 45″ Industrial & Agriculture Premium V-Belt


Width 1/2″ Depth 5/16″
Inside Circumference 43″ Outside Circumference 45″
Angle 40° Type Of Cord Kevlar
Temperature Range -1°F – 158°F Oil Resistant Yes
Heat Resistant Yes Anti-Static Yes
Meets RMA Standards


Item Number Outside Length Top Width Thickness Color 
3L290 29″ 3/8″ 7/32″ Salt Pepper ,Coffee
3L300 30″ 3/8″ 7/32″ Salt Pepper ,Coffee
3L320 32″ 3/8″ 7/32″ Salt Pepper ,Coffee
3L330 33″ 3/8″ 7/32″ Salt Pepper ,Coffee
3L340 34″ 3/8″ 7/32″ Salt Pepper ,Coffee
3L350 35″ 3/8″ 7/32″ Salt Pepper ,Coffee
3L360 36″ 3/8″ 7/32″ Salt Pepper ,Coffee
        Salt Pepper ,Coffee
        Salt Pepper ,Coffee
4L280 28″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L290 29″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L300 30″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L310 31″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L320 32″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L330 33″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L340 34″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L350 35″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L360 36″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L370 37″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L380 38″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L390 39″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L400 40″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L410 41″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L420 42″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L430 43″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L440 44″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L450 45″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L500 50″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L510 51″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L520 52″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L670 67″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L710 71″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L740 74″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L770 77″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L780 78″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L790 79″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L820 82″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L830 83″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L840 84″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L880 88″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L900 90″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L930 93″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L950 95″ 1/2″ 5/16″ Salt Pepper ,Coffee
4L960 96″ 1/2″ 5/16″ Salt Pepper ,Coffee
        Salt Pepper ,Coffee
        Salt Pepper ,Coffee
5L360 36″ 21/32″ 3/8″ Salt Pepper ,Coffee
5L370 37″ 21/32″ 3/8″ Salt Pepper ,Coffee
5L380 38″ 21/32″ 3/8″ Salt Pepper ,Coffee
5L390 39″ 21/32″ 3/8″ Salt Pepper ,Coffee
5L690 69″ 21/32″ 3/8″ Salt Pepper ,Coffee



1. We maintain high standards of customer satisfaction! Your feedback is very important to us. Before giving us neutral or negative feedback, please contact us to satisfactorily address your concerns.

2.  Please compare the good’s appearance, shape, size with your original parts before ordering.

3.  Due to the different color resolution settings of the display,  the plastic parts may have a color difference, please know it.

4.  All our products are non-assembled, pictures are for reference only.

Problem with An Order?

We work hard to get everything right but mistakes happen and we want to fix them quickly, please ask any questions using the Made-in-China system before starting a dispute.


We maintain high standards of CZPT and strive for 100% customer satisfaction! If you are not satisfied with our products or services please contact us first, sincerely hope through our cooperation, we can resolve the problems smoothly.

About Us

We do retail and wholesale for gasoline chainsaw, brush cutter, grass trimmer, and other garden tool parts. Welcome here to pick out and buy.


If you have questions or problems please leave messages, we will reply to you as soon as possible.

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Certification: RoHS, CE, ISO, CCC
Power Source: Gasoline
Type: V Belt
Material: Rubber
Salt Pepper Kevlar Lawnmower V Belt: 4L450 L4 B45 Kevlar V Belt
A43 4L450: 1/2" X 45" Outside Length V-Belt
US$ 9/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

v belt

What are the best practices for storing spare V-belts to maintain their quality?

Proper storage of spare V-belts is essential to maintain their quality and ensure their performance when they are needed. Here are some best practices for storing spare V-belts:

  1. Clean and Dry Environment:
  2. Store the V-belts in a clean and dry environment to prevent contamination and moisture damage. Avoid storing them in areas where they may be exposed to dirt, dust, chemicals, or excessive humidity. Keeping the storage area clean and well-ventilated helps preserve the integrity of the belts.

  3. Temperature and Humidity Control:
  4. Ensure that the storage area has controlled temperature and humidity levels. Extreme temperatures or high humidity can adversely affect the belt material, leading to deterioration or loss of elasticity. Ideally, the temperature should be kept within a range of 10°C to 30°C (50°F to 86°F), and the humidity should be maintained at around 40% to 70%.

  5. Avoid Direct Sunlight:
  6. Direct exposure to sunlight can cause the belt material to degrade over time. Store the spare V-belts away from direct sunlight or any other sources of ultraviolet (UV) radiation. If possible, use opaque containers or covers to shield the belts from light.

  7. Avoid Bending or Twisting:
  8. Do not store the V-belts in a way that causes excessive bending or twisting. This can result in permanent deformation or stress on the belts, compromising their performance. Keep the belts flat or hang them in a manner that maintains their original shape.

  9. Proper Packaging:
  10. If the V-belts are stored in packaging, ensure that the packaging is intact and provides adequate protection against external elements. Avoid storing the belts in damaged or torn packaging, as it may expose them to contaminants or moisture.

  11. First-In-First-Out (FIFO) Rotation:
  12. Implement a first-in-first-out (FIFO) rotation system for spare V-belts. This means using the oldest belts first and replenishing the stock with newly purchased belts. This practice helps prevent the storage of belts for extended periods, reducing the risk of degradation or obsolescence.

  13. Regular Inspections:
  14. Periodically inspect the stored V-belts for any signs of damage, such as cracks, brittleness, or deterioration. If any issues are detected, replace the affected belts promptly to ensure that only high-quality spare belts are available for use when needed.

By following these best practices, you can maintain the quality and performance of spare V-belts, ensuring that they are ready for use and prolonging their service life.

v belt

What are the key differences between V-belts and other types of power transmission belts?

V-belts are a popular type of power transmission belts, but they differ from other types of belts in terms of design, construction, and specific applications. Here are the key differences:

1. Belt Profile:

V-belts have a trapezoidal or V-shaped cross-sectional profile, which gives them their name. This profile allows the belts to fit securely into V-shaped pulleys, providing effective power transmission and grip. Other types of belts, such as flat belts or timing belts, have different profiles suited for specific applications.

2. Power Transmission Method:

V-belts transmit power through frictional forces between the belt and the pulleys. As the belt wraps around the pulleys, the friction between the belt and the pulley surfaces allows the transfer of torque and power. In contrast, other belts, like timing belts or chain drives, use toothed profiles or interlocking mechanisms to transmit power, providing precise synchronization and higher torque transmission.

3. Load Capacity:

V-belts are designed to handle moderate to high loads, making them suitable for a wide range of applications. However, certain applications with heavier loads may require specialized heavy-duty V-belts or alternative belt types, such as synchronous belts or chain drives, which offer higher load-carrying capacities.

4. Speed Range:

V-belts are suitable for a broad speed range, but their limitations may vary depending on the specific design, material, and construction. Traditional V-belts may have speed limitations at extremely high speeds due to centrifugal forces and heat generation. High-speed V-belts or narrow V-belts are available for applications that require higher speeds. In contrast, timing belts and synchronous belts are designed for precise speed control and are commonly used in applications with strict speed requirements.

5. Tensioning and Maintenance:

V-belts require periodic tensioning to maintain proper grip and power transmission efficiency. Tensioning is typically achieved through manual adjustment or automatic tensioners. Other types of belts, such as timing belts or chain drives, often have fixed tensioning systems and require less frequent maintenance.

6. Noise and Vibration:

V-belts generally operate with lower noise and vibration levels compared to other types of belts, such as chain drives. The design and frictional nature of V-belts contribute to smoother operation and reduced noise generation, making them suitable for applications where noise and vibration control is important.

7. Applications:

V-belts are widely used in various applications, including industrial machinery, automotive systems, HVAC systems, and power transmission in general. They are versatile and can accommodate different power requirements. Other belt types, such as timing belts, are commonly used in precision positioning, robotics, or applications that require synchronous motion.

Overall, V-belts offer reliable and cost-effective power transmission for a wide range of applications. However, the selection of the appropriate belt type depends on factors such as load requirements, speed range, precision, noise considerations, and specific application needs.

v belt

What is a V-belt and how does it work?

A V-belt, also known as a Vee belt or a wedge belt, is a type of power transmission belt that is commonly used in various industrial applications. It is called a V-belt because of its trapezoidal cross-sectional shape, resembling the letter “V.”

The primary purpose of a V-belt is to transmit power between two rotating shafts. It does this by wrapping around the pulleys or sheaves on the shafts and creating frictional forces between the belt and the pulleys. The friction generated between the belt and the pulleys allows the belt to transfer torque from the driving pulley to the driven pulley.

The V-belt’s design provides several advantages for power transmission:

  1. High friction: The V-shaped cross-section of the belt increases the contact area with the pulleys, resulting in high frictional forces. This allows for effective power transmission even in applications with high torque or heavy loads.
  2. Belt wedging: When the V-belt is tensioned, it wedges itself deeper into the pulley grooves, enhancing the friction and preventing slippage between the belt and the pulleys. This feature is especially useful in applications where the driven pulley needs to rotate at a different speed than the driving pulley.
  3. Quiet operation: V-belts generally operate with less noise compared to other types of belts, such as flat belts. The V-shaped design helps to reduce vibrations and noise levels during power transmission.
  4. Simple installation: V-belts are relatively easy to install and replace. They can be quickly mounted on the pulleys without requiring extensive alignment procedures.

However, it’s important to note that V-belts have limitations as well. They are not suitable for applications that require precise speed control or when high-speed ratios are needed. In such cases, other power transmission methods like gear systems or synchronous belts may be more appropriate.

In summary, V-belts are commonly used power transmission belts that utilize frictional forces to transfer torque between rotating shafts. Their V-shaped design and high friction characteristics make them effective for various industrial applications.

China high quality 4L450-A43 High Performance Agri Garden Aramid V-Belt   cv axle replacementChina high quality 4L450-A43 High Performance Agri Garden Aramid V-Belt   cv axle replacement
editor by CX 2024-04-24