Cummins O Ring Seal 3393702 – Precision Sealing for High-Pressure Engine Systems
The Cummins O Ring Seal 3393702 is a critical sealing component designed to prevent fluid leaks in high-pressure and high-temperature engine systems. Engineered for durability and precise fit, this seal plays a key role in maintaining system integrity in a wide range of Cummins parts assemblies.
As part of the trusted Cummins genuine parts lineup, this O-ring is manufactured with premium materials to withstand long-term exposure to fuel, coolant, and oil without degradation.
📦 Specifications
- Part Number: 3393702
- Part Name: O Ring Seal
- Function: Seals joints to prevent fluid or gas leakage
- Material: High-grade elastomer (fuel-, oil-, and heat-resistant)
- Condition: Brand New
- Category: Engine Gaskets & Seals
- Origin: Produced under strict Cummins OEM standards
- Compatibility: Designed for multiple Cummins genuine parts systems (verify with ESN)
✅ Key Features
- Ensures leak-free performance under high pressure
- Resistant to wear, temperature changes, and chemical exposure
- Easy to install with precision-fit dimensions
- Enhances the reliability of fuel, coolant, or oil circuits
- Manufactured to match original Cummins parts specifications
🔧 Technical Insights
- Seal Compression Accuracy: Engineered for optimal compression ratio, ensuring an effective and lasting seal
- Temperature Resilience: Maintains elasticity from cold starts to full engine operating heat
- Material Composition: Made from industry-grade rubber compounds tested for fuel and oil compatibility
- OEM Quality Assurance: Precision molded to fit perfectly in Cummins genuine parts interfaces
💡 Application Scenarios
The Cummins 3393702 O Ring Seal is commonly used in:
- 🔹 Fuel system connections where pressure resistance is crucial
- 🔹 Coolant line joints to prevent leakage under thermal cycling
- 🔹 Engine oil passages requiring tight, long-term sealing
- 🔹 Turbo or exhaust interfaces where high temperatures are present
- 🔹 General maintenance and sealing replacement for Cummins parts assemblies
🚚 Availability
This O-ring seal is in stock and available for global shipping.
To confirm compatibility with your Cummins genuine parts setup, please provide your engine serial number (ESN). Our team is ready to assist with fitment checks.
