Cummins Fracture Resistant Screw 3678506 – High-Torque Fastening Without Failure
The Cummins Fracture Resistant Screw 3678506 is specially designed to provide secure, high-torque fastening in critical engine and chassis assemblies. Made from toughened steel and engineered to resist shearing or breaking under stress, this fastener ensures structural reliability where it matters most. Like other trusted Cummins genuine parts, it meets rigorous OEM standards and is built for consistent performance.
Whether you’re working on high-load engine components or safety-critical systems, this screw helps you maintain the integrity of your Cummins parts installation.
📦 Specifications
- Part Number: 3678506
- Part Name: Fracture Resistant Screw
- Material: Heat-treated alloy steel
- Thread Type: Metric, coarse thread (verify with assembly spec)
- Finish: Anti-corrosion coating
- Condition: 100% Brand New
- Category: Fasteners & Structural Hardware
- Origin: Built to Cummins OEM manufacturing standards
- Compatibility: Used across a range of Cummins genuine parts systems
✅ Key Features
- High resistance to breakage under torque or vibration
- Designed for secure, high-strength fastening
- Coated for corrosion protection and longer life
- Maintains tension under thermal expansion
- Fully compatible with other Cummins parts assemblies
🔧 Technical Insights
To begin with, this screw is engineered for critical-load zones such as cylinder heads, engine mounts, and structural supports.
In addition, the fracture-resistant design helps prevent thread failure during installation or extended use.
It also features OEM-grade dimensional accuracy, which allows it to fit precisely into existing Cummins genuine parts systems.
Thanks to its heat treatment and finish, the screw withstands both mechanical and environmental stress.
💡 Application Scenarios
The Cummins 3678506 Fracture Resistant Screw is ideal for:
- 🔹 High-stress engine assemblies such as mounts and housings
- 🔹 Powertrain installations requiring secure and durable fasteners
- 🔹 Heavy-duty diesel equipment maintenance using Cummins genuine parts
- 🔹 Repairs in vibration-prone environments
- 🔹 OEM-grade replacements during rebuilds or retrofits
🚚 Availability
The Cummins Fracture Resistant Screw 3678506 is in stock and ready for worldwide shipping.
For the best fit with your Cummins parts configuration, please share your engine serial number (ESN). Our expert team is ready to assist with quick and accurate matching.
