Cummins Main Bearing Set 3802070 – Reliable Support for Crankshaft Stability
The Cummins Main Bearing Set 3802070 is designed to deliver smooth rotation, load support, and oil film stability for the engine crankshaft. As a core component in many heavy-duty diesel applications, this bearing set plays a vital role in minimizing friction and preventing premature wear. Since it follows Cummins genuine parts standards, durability and performance are guaranteed.
Whether you’re rebuilding your engine or carrying out regular maintenance, this Cummins parts component ensures precise fit and excellent support in high-load operating conditions.
📦 Specifications
- Part Number: 3802070
- Part Name: Main Bearing Set
- Material: Tri-metal alloy (steel + copper + overlay)
- Set Includes: Upper and lower main bearings
- Condition: 100% Brand New
- Application: Crankshaft support and lubrication
- Manufacturing Standard: Meets Cummins genuine parts specifications
- Compatibility: Fits selected Cummins diesel engines (verify with ESN)
✅ Key Features
- Reduces metal-to-metal contact between crankshaft and block
- Maintains optimal oil film under varying load and speed conditions
- Engineered for wear resistance and long service life
- Direct replacement with consistent dimensions and thickness
- Integrates seamlessly with other Cummins parts systems
🔧 Technical Insights
The 3802070 Main Bearing Set features a precision-machined surface to allow uniform clearance and oil film distribution. Additionally, its tri-metal structure combines strength, flexibility, and anti-friction properties to handle both start-up and full-load stresses.
Moreover, because this set adheres to Cummins genuine parts tolerances, it delivers consistent performance with minimal need for adjustments or modification.
💡 Application Scenarios
This bearing set is ideal for:
- 🔹 Overhauls of commercial truck engines
- 🔹 Diesel-powered construction equipment
- 🔹 Industrial generator engine rebuilds
- 🔹 Agricultural machinery using Cummins parts systems
- 🔹 Preventative maintenance on high-mileage engines
🚚 Availability
The Cummins Main Bearing Set 3802070 is currently in stock and ready for worldwide delivery.
To ensure the right fit for your engine, please provide your Engine Serial Number (ESN). Our technical team is available to help you select the correct Cummins genuine parts solution.