C2874071 for dongfeng dcec ISZ13L engine Spare Parts TENSIONER

Cummins Engine And Accessories
November 28, 2025
Category Connection: Engine Assembly And Accessories
Brief: Our team walks you through how the C2874071 Tensioner performs in common scenarios for Dongfeng DCEC ISZ13L engines. This video demonstrates the automatic tension adjustment mechanism, shows the internal components like the torsion spring and tensioning arm, and explains how it ensures stable belt operation while reducing noise and maintenance needs.
Related Product Features:
  • Automatically adjusts belt tension in real-time using torsion springs to ensure stable transmission system operation.
  • Improves transmission efficiency and safety by maintaining optimal belt tension to reduce wear and vibration.
  • Reduces operational noise and maintenance costs through smooth belt running and automatic adjustment features.
  • Features strong adaptability and high durability with a simple structure suited for various work environments.
  • Comprises a fixed housing, tensioning arm, wheel body, torsion spring, rolling bearing, and spring shaft sleeve.
  • Prevents belt slippage and tooth jumping issues by compensating for belt elongation over time.
  • Typically replaced together with the timing belt to ensure consistent performance and avoid operational worries.
  • Ensures driving stability and extends the service life of the belt and related engine components.
Faqs:
  • What is the main function of the C2874071 Tensioner?
    The tensioner automatically adjusts the tightness of the timing belt, ensuring stable, safe, and reliable operation of the transmission system by compensating for belt elongation and preventing slippage or tooth jumping.
  • Why should the tensioner be replaced with the timing belt?
    Replacing the tensioner together with the timing belt ensures optimal performance and avoids potential issues, as both components work in tandem to maintain proper belt tension and system reliability.
  • How does the tensioner reduce maintenance costs?
    Its automatic adjustment function minimizes the need for frequent manual tension checks and adjustments, while smooth operation reduces belt wear and noise, leading to lower long-term maintenance expenses.