Cummins O Ring Seal 3818885 – Engine Fluid Sealing Solution
The Cummins O Ring Seal 3818885 is a high-performance sealing component engineered to provide leak-proof protection in diesel engine assemblies. It is widely used in fluid systems within Cummins engines to maintain pressure integrity and prevent fluid or gas escape at key sealing interfaces.
🔧 Specifications
- Part Number: 3818885
- Part Name: O Ring Seal
- Material: High-grade elastomer (typically Viton® or Nitrile)
- Condition: 100% Brand New
- Category: Engine Sealing Components
- Origin: Made to Cummins OEM specifications
- Compatibility: Used in various Cummins engines – confirm fitment with your ESN (Engine Serial Number)
⭐ Key Features
- Durable Elastomer Composition: Engineered for chemical and temperature resistance.
- High Sealing Efficiency: Maintains integrity under pressure and temperature fluctuations.
- Precision Fit: Designed for accurate seating within Cummins fluid channels.
- Resistant to Oils and Coolants: Performs reliably in fuel, oil, and coolant environments.
- OEM-Grade Quality: Conforms to Cummins material and tolerance standards.
⚙️ Technical Insights
- Operating Temperature Range: Typically effective from -40°C to 200°C depending on material type.
- Compression Set Resistance: Withstands repeated installation cycles without loss of elasticity.
- Installation Note: Apply compatible lubricant during fitting to avoid twisting or tearing.
- Seal Geometry: Cross-sectional profile supports even compression and maximum contact surface area.
🛠 Application Scenarios
The Cummins 3818885 O Ring Seal is typically used in:
- Lubrication systems sealing oil ports and pump assemblies
- Fuel systems in injectors or fuel filter assemblies
- Coolant lines and water pumps
- Engine rebuilding and service kits where all seals must meet factory standards
- Heavy-duty equipment such as construction, mining, and marine diesel engines
📦 Availability
This O Ring Seal is in stock and available for immediate delivery.
We provide global shipping and support for application verification.
Contact us with your Engine Serial Number (ESN) to confirm fitment.
