Cummins O Ring Seal 3393704 – Reliable Sealing for Engine Fluid Systems
The Cummins O Ring Seal 3393704 is designed to deliver long-lasting sealing performance in high-stress engine environments. Whether sealing coolant, fuel, or oil lines, this precision-molded O-ring ensures leak-proof connections across critical components within Cummins parts systems.
As part of the Cummins genuine parts range, it’s manufactured to exact OEM specifications, offering dependable performance even under extreme pressure and temperature changes.
📦 Specifications
- Part Number: 3393704
- Part Name: O Ring Seal
- Function: Fluid and gas sealing in engine systems
- Material: High-durability elastomer, resistant to oil and fuel
- Condition: 100% Brand New
- Category: Engine Seals & Gaskets
- Origin: Manufactured to Cummins OEM standards
- Compatibility: Fits a variety of Cummins genuine parts assemblies (check with ESN)
✅ Key Features
- Maintains tight seals under pressure and heat
- Resistant to swelling, cracking, and chemical attack
- Easy to install with consistent dimensional tolerance
- Helps extend the service life of Cummins parts systems
- Backed by Cummins genuine parts quality standards
🔧 Technical Insights
- Seal Geometry: Precision-engineered cross-section ensures uniform sealing contact
- Material Resilience: Withstands fuel, coolant, and oil exposure without loss of elasticity
- OEM Precision Fit: Designed to perfectly match grooves and flanges in Cummins parts
- Leak Prevention: Prevents fluid loss in both static and dynamic joints
💡 Application Scenarios
The Cummins 3393704 O Ring Seal is commonly used in:
- 🔹 Fuel injectors and fuel lines in diesel engine platforms
- 🔹 Coolant system connections for temperature-critical performance
- 🔹 Oil galleries and crankcase ports
- 🔹 Routine engine rebuilds or servicing
- 🔹 Sealing upgrades within Cummins parts systems
🚚 Availability
This product is readily available for worldwide shipping.
To ensure the correct match for your application, please share your engine serial number (ESN). Our support team will assist you with accurate fitment for all your Cummins genuine parts needs.
