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Belt Tensioner 3691279

Cummins Belt Tensioner 3691279

Belt Tensioner 3691279

Category:

Description:

Belt Tensioner

Parts No:

3691279

Supersessions:

Application:

Cummins

Size:

8.6 In*4.15 In*4.2 In

Weight:

4.295 Lbs

HS Code:

840999

Specification

Cummins Belt Tensioner 3691279 – Reliable Tension Control for Engine Belts

The Cummins Belt Tensioner 3691279 is engineered to keep your engine’s accessory drive belt at the correct tension, ensuring smooth and efficient power transmission. Built for high-performance diesel systems, this component minimizes belt slippage, reduces wear, and extends the life of related engine parts.

By choosing Cummins genuine parts, you ensure a perfect fit, stable function, and long-term reliability within your Cummins parts setup.

📦 Specifications

  • Part Number: 3691279
  • Part Name: Belt Tensioner
  • Material: High-strength steel with composite pulley
  • Tension Type: Spring-loaded automatic
  • Condition: 100% New
  • Category: Engine Belt & Pulley Systems
  • Compatibility: Fits selected Cummins parts engines (confirm with ESN)
  • Standard: Manufactured to Cummins genuine parts OEM standards

✅ Key Features

  • Maintains constant belt tension for optimal accessory performance
  • Reduces vibration, belt noise, and premature wear
  • Spring-loaded mechanism adapts to belt stretch and load
  • Corrosion-resistant finish for extended durability
  • Works seamlessly with other Cummins parts in the belt system

🔧 Technical Insights

This belt tensioner is designed with a pre-calibrated torsion spring that applies consistent force throughout the belt’s life. Its pulley features a sealed bearing for low-friction rotation, even in high-heat conditions.

Moreover, the unit’s compact design allows for quick installation without special tools. When paired with Cummins genuine parts, it supports dependable engine operation across various environments.

💡 Application Scenarios

The Cummins 3691279 Belt Tensioner is ideal for:

  • 🔹 Long-haul trucks and buses with high accessory loads
  • 🔹 Off-road and construction vehicles in harsh terrain
  • 🔹 Generator sets requiring stable belt alignment
  • 🔹 Preventative maintenance in Cummins parts engine systems
  • 🔹 Fleet applications focused on reduced downtime

🚚 Availability

The Belt Tensioner 3691279 is currently in stock and ready for worldwide delivery.
To ensure the right match, please share your Engine Serial Number (ESN). Our expert team is here to verify compatibility and help you select the best Cummins parts for your needs.

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