Cummins Belt Tensioner 3691280 – Consistent Belt Tension for Smooth Engine Operation
The Cummins Belt Tensioner 3691280 is designed to maintain consistent tension in your engine’s accessory drive system. It plays a crucial role in preventing belt slippage, reducing vibration, and extending the life of belts and pulleys. Made to match original equipment standards, this component ensures reliable performance over time.
When paired with other Cummins parts, this tensioner delivers stable power transmission and helps keep your engine running at its best. Using Cummins genuine parts also ensures a perfect fit and long-lasting dependability.
📦 Specifications
- Part Number: 3691280
- Part Name: Belt Tensioner
- Material: Heat-treated steel with durable pulley
- Tension Type: Automatic, spring-loaded
- Condition: Brand New
- Category: Engine Belt Drive Components
- Compatibility: Suitable for selected Cummins parts engines
- Standard: Complies with Cummins genuine parts OEM quality
✅ Key Features
- Keeps accessory belt at optimal tension
- Reduces engine noise and belt wear
- Spring-loaded for self-adjusting performance
- Easy to install without special tools
- Fully compatible with other Cummins parts assemblies
🔧 Technical Insights
Internally, the tensioner uses a pre-set spring mechanism that automatically adapts to changes in belt length due to heat and wear. The pulley is built with a sealed bearing, which lowers friction and increases durability, even under heavy load.
Moreover, the design allows for simple replacement during maintenance. When integrated with Cummins genuine parts, it contributes to consistent engine performance and reduces the risk of belt failure.
💡 Application Scenarios
The Cummins 3691280 Belt Tensioner is typically used in:
- 🔹 Highway trucks and buses requiring steady accessory power
- 🔹 Generator sets demanding long service intervals
- 🔹 Construction equipment exposed to harsh environments
- 🔹 Fleet vehicles using high-output Cummins parts engines
- 🔹 Preventative maintenance tasks during engine overhauls
🚚 Availability
This belt tensioner is in stock and available for global shipping.
To ensure proper fitment with your system, please provide your Engine Serial Number (ESN). Our team will help confirm compatibility and guide you in selecting the right Cummins parts.
