Cummins Filler Cap C3901895 – Secure Sealing for Engine Oil Systems
The Cummins Filler Cap C3901895 is designed to provide a tight and reliable seal for your diesel engine’s oil filler neck. It prevents contamination and oil leakage, which helps maintain proper lubrication and protects engine internals. Built to meet the high standards of Cummins genuine parts, this cap fits seamlessly into DCEC parts configurations, making it a dependable choice for a wide range of applications.
Whether you’re replacing a damaged cap or upgrading worn components, this filler cap ensures both security and durability for your engine.
📦 Specifications
- Part Number: C3901895
- Part Name: Filler Cap
- Material: High-durability thermoplastic and rubber seal
- Color: Standard black with molded grip
- Condition: 100% Brand New
- Category: Engine Lubrication Components
- Origin: Produced to Cummins OEM quality standards
- Compatibility: Suitable for various DCEC parts and Cummins parts engine platforms (confirm via ESN)
✅ Key Features
- Provides a firm, leak-free seal for the oil filler port
- Helps prevent dust, moisture, and debris from entering the engine
- Durable construction resists heat, oil, and pressure
- Easy grip design for quick installation or removal
- Engineered for perfect fit with Cummins genuine parts systems
🔧 Technical Insights
This filler cap features a molded seal and thread pattern that ensures precise locking engagement with the filler neck. Its rubber gasket maintains compression over time, even in high-temperature environments. Because it’s made to exact OEM specifications, it helps protect your lubrication system while simplifying routine maintenance.
Additionally, the durable thermoplastic body resists wear and deformation—especially important for heavy-duty equipment relying on DCEC parts and Cummins parts assemblies.
💡 Application Scenarios
The C3901895 Filler Cap is widely used in:
- 🔹 Medium and heavy-duty diesel engines using DCEC parts
- 🔹 Construction machinery with Cummins oil systems
- 🔹 Agricultural equipment requiring frequent oil checks
- 🔹 Industrial power units with Cummins genuine parts
- 🔹 Routine maintenance and repair of commercial fleets
🚚 Availability
The Cummins Filler Cap C3901895 is currently in stock and available for global shipping.
To confirm proper fitment with your Cummins parts setup, please provide your Engine Serial Number (ESN). Our support team is ready to help you get the right part the first time.
