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Belt Tensioner 3973820

Cummins Belt Tensioner 3973820

Belt Tensioner 3973820

Category:

Description:

Belt Tensioner

Parts No:

3973820

Supersessions:

3974102

Application:

Cummins

Size:

10cm*10cm*20cm

Weight:

1.86KG

HS Code:

840999

Specification

Cummins Belt Tensioner 3973820 – Ensuring Proper Belt Tension for Optimal Engine Performance

The Cummins Belt Tensioner 3973820 is a critical component that maintains the correct tension on the engine belts. Designed to ensure efficient power transmission and prevent slippage, this part helps your engine’s accessories run smoothly. As part of Cummins’ trusted genuine parts, it supports long-term reliability and optimal performance in demanding engine systems.

🔩 Specifications

  • Part Name: Belt Tensioner
  • Part Number: 3973820
  • Brand: Cummins
  • Function: Maintains proper belt tension for smooth operation
  • Category: Cummins parts, Cummins genuine parts

⭐ Key Features

  • Precision-engineered to ensure optimal belt tension
  • High-quality materials for long-lasting durability
  • Prevents belt slippage and reduces wear
  • Compatible with a variety of Cummins engine configurations
  • Meets Cummins genuine parts quality standards

⚙️ Technical Insights

The belt tensioner 3973820 plays a vital role in regulating the tension of engine belts, such as those powering the alternator, air conditioning compressor, and power steering pump. It automatically adjusts to maintain constant pressure, preventing belt slippage and minimizing wear. Using genuine Cummins parts like this tensioner ensures maximum efficiency and reduces the risk of costly repairs.

🛠 Application Scenarios

  • Heavy-duty trucks using Cummins engines
  • Industrial machines with demanding power transmission needs
  • Construction equipment requiring reliable belt operation
  • Agricultural vehicles needing stable engine performance
  • Diesel generators relying on efficient belt-driven components

📦 Availability

This belt tensioner is in stock and available for global shipping.
To ensure correct fitment with your Cummins parts configuration, please provide your engine serial number (ESN). Our support team is ready to assist with verification.

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