Cummins Crankshaft Thrust Bearing 3978822 – Stable Axial Support for Engine Performance
The Cummins Crankshaft Thrust Bearing 3978822 is specifically designed to control endplay and support axial loads on the crankshaft in diesel engines. Built to match strict Cummins genuine parts standards, it ensures both reliability and longevity in demanding engine conditions. As part of the trusted DCEC parts lineup, this bearing offers a direct-fit solution for efficient engine rebuilds and maintenance.
Whether you’re working on a full overhaul or preventing crankshaft movement issues, this Cummins parts component keeps your engine aligned and running smoothly.
📦 Specifications
- Part Number: 3978822
- Part Name: Crankshaft Thrust Bearing
- Material: High-durability tri-metal composition
- Function: Controls axial movement of crankshaft
- Condition: Brand New
- Application: Diesel engine crankshaft assemblies
- Standard: Matches Cummins genuine parts manufacturing specs
- Fitment: Compatible with various DCEC parts engine models (verify with ESN)
✅ Key Features
- Prevents crankshaft endplay and axial wear
- Maintains precise alignment under thermal and load stress
- Coated with anti-friction layers for reduced heat and friction
- Provides long service life under high operating pressures
- Integrates easily with other Cummins parts and DCEC parts
🔧 Technical Insights
The 3978822 Thrust Bearing plays a crucial role in protecting your engine’s crankshaft. It is made with a tri-metal structure that combines strength and elasticity, ensuring the bearing can withstand both start-up and sustained operational loads.
Moreover, because it meets all Cummins genuine parts dimensional tolerances, it installs easily and performs reliably without additional modifications.
💡 Application Scenarios
This crankshaft thrust bearing is ideal for:
- 🔹 Diesel engine overhauls requiring axial load control
- 🔹 Commercial trucks powered by DCEC parts engines
- 🔹 Industrial machinery with high crankshaft stress
- 🔹 Generators and agricultural machines using Cummins parts
- 🔹 Preventive maintenance on long-service engines
🚚 Availability
The Cummins 3978822 Thrust Bearing is in stock and available for worldwide shipping.
To confirm fitment with your specific engine, please provide the Engine Serial Number (ESN). Our support team is here to help you choose the right Cummins genuine parts for your needs.
