Cummins O Ring Seal 3678603 – Leak-Proof Seal for FOTON Engine Assemblies
The Cummins O Ring Seal 3678603 is a compact yet critical component designed to deliver airtight sealing in diesel engine systems. Specifically used in FOTON parts assemblies and built to Cummins genuine parts standards, this O-ring ensures long-lasting protection against fluid leakage, even under pressure and heat.
Whether it’s for oil, coolant, or fuel pathways, this high-quality seal helps maintain system integrity in your Cummins parts configuration.
📦 Specifications
- Part Number: 3678603
- Part Name: O Ring Seal
- Material: High-temperature resistant rubber (Nitrile/Fluoroelastomer)
- Color: Black or brown (application-specific)
- Condition: 100% Brand New
- Category: Sealing Components
- Origin: Manufactured to Cummins OEM specifications
- Compatibility: Suitable for use in FOTON parts and various Cummins genuine parts systems
✅ Key Features
- Ensures leak-free performance in fluid systems
- Maintains elasticity under pressure and heat
- Chemically resistant to oil, coolant, and diesel
- Easy to install in tight and recessed grooves
- Perfect match for Cummins parts and FOTON parts configurations
🔧 Technical Insights
To start with, the Cummins 3678603 O Ring Seal is built using premium elastomer compounds that resist both heat and swelling.
Additionally, its uniform thickness and precise inner diameter ensure a snug fit into factory-designed grooves.
Moreover, it supports dynamic and static sealing functions across high-load systems in FOTON parts engines.
As a result, it significantly reduces the risk of fluid loss and system contamination.
💡 Application Scenarios
The 3678603 O Ring Seal is commonly used in:
- 🔹 FOTON diesel engine sealing systems
- 🔹 Oil and coolant channel connections
- 🔹 Fuel injection system fittings
- 🔹 Routine overhauls involving Cummins genuine parts
- 🔹 Sealing upgrades to improve durability in extreme conditions
🚚 Availability
The Cummins O Ring Seal 3678603 is in stock and available for global delivery.
To confirm compatibility with your Cummins parts or FOTON parts setup, please provide your engine serial number (ESN). Our team is here to assist with fast and accurate matching.
