Cummins Fracture Resistant Screw 3678804 – Tough Fastener for Reliable Engine Assembly
The Cummins Fracture Resistant Screw 3678804 is built to deliver strong and secure fastening in high-stress engine environments. It’s made for those tough jobs where regular screws just don’t hold up. Because it resists snapping under pressure, it’s a smart choice for technicians who rely on quality and durability. This screw is fully compatible with many Cummins parts setups and meets Cummins genuine parts standards.
📦 Specifications
- Part Number: 3678804
- Part Name: Fracture Resistant Screw
- Material: Hardened alloy steel
- Surface Finish: Zinc-coated for rust protection
- Thread Type: Metric, high-grip threading
- Condition: 100% Brand New
- Category: Fasteners & Hardware
- Origin: Made to Cummins OEM standards
- Compatibility: Commonly used in Cummins genuine parts systems
✅ Key Features
- Built to handle high torque without breaking
- Strong hold even in hot and vibrating conditions
- Rust-resistant coating for longer use
- Keeps tight fit during engine cycles
- Works well with a wide range of Cummins parts
🔧 Technical Insights
First of all, the Cummins 3678804 Screw is designed with extra strength in mind. Its special core makes it less likely to snap during tightening.
Moreover, the threads are cut to precise standards, so the screw fits snugly and holds firm.
In addition, the surface treatment adds extra resistance against rust and wear.
Thanks to its fracture-resistant design, it’s especially useful in areas of the engine where stress is constant.
Altogether, it gives you peace of mind when assembling or repairing Cummins genuine parts.
💡 Application Scenarios
The 3678804 Fracture Resistant Screw is ideal for:
- 🔹 High-torque engine zones where failure is not an option
- 🔹 Heavy-duty repairs involving critical Cummins parts
- 🔹 Mounting brackets or supports that face constant vibration
- 🔹 Fleet maintenance where reliability matters
- 🔹 Engine rebuilds using trusted Cummins genuine parts
🚚 Availability
This screw is in stock and ready for fast global delivery.
To make sure it fits your system, simply share your engine serial number (ESN). Our team will help confirm if it’s the right match for your Cummins parts setup.
