Cummins Expansion Plug 175830 – Engine Block Seal Component
The Cummins Expansion Plug 175830 is a precision sealing component designed to close coolant or oil passages in engine blocks and cylinder heads. This plug plays a crucial role in maintaining system integrity and preventing fluid leakage under high-pressure, high-temperature operating conditions.
🔩 Specifications
- Part Number: 175830
- Part Name: Expansion Plug
- Material: Cold-formed carbon steel
- Finish: Zinc-coated / corrosion-resistant surface
- Condition: 100% Brand New
- Category: Engine Block Components
- Origin: Manufactured to Cummins OEM standards
- Compatibility: Commonly found in Cummins parts assemblies and CCEC parts engines (verify with ESN or engine diagram)
⭐ Key Features
- High-strength steel ensures a tight, lasting seal
- Corrosion-resistant finish protects against rust and coolant degradation
- Precision fit minimizes risk of coolant or oil leaks
- Designed to endure thermal expansion and contraction cycles
- Seamless compatibility with Cummins genuine parts systems
⚙️ Technical Insights
- Sealing Functionality: Acts as a freeze plug or core plug to seal off cast ports used during manufacturing, ensuring a leak-free coolant circuit.
- Thermal Endurance: Engineered to maintain shape and seal integrity through repeated heating and cooling cycles in diesel operations.
- Interference Fit: Installed via press-fit method, relying on precise outer diameter tolerances to hold securely without adhesive.
- System Integration: Used across a wide range of Cummins parts engine platforms, especially in water-cooled diesel systems produced by CCEC parts divisions.
🛠 Application Scenarios
The Cummins 175830 Expansion Plug is commonly applied in:
- Diesel engine blocks (ISX, QSK, NT series, and more)
- Cylinder heads in both on-road and off-road Cummins engines
- Industrial generator sets and marine diesel power units
- Construction & mining equipment operating in harsh environments
- Oilfield and heavy transport vehicles requiring robust engine sealing components
📦 Availability
This expansion plug is in stock and ready for immediate shipping.
We support worldwide delivery and offer assistance with part verification. Please contact us with your engine serial number (ESN) to confirm exact fitment within your Cummins parts system.
