Cummins Expansion Plug 3007635 – Secure Sealing for Engine Coolant Passages
The Cummins Expansion Plug 3007635 is a precision-made component designed to seal off unused passages in engine blocks or cylinder heads. Commonly known as a freeze plug, it helps maintain coolant system pressure and prevents leaks, especially under extreme temperature fluctuations. Manufactured to exact Cummins genuine parts standards, this plug ensures a dependable fit and long service life in demanding environments.
📦 Specifications
- Part Number: 3007635
- Part Name: Expansion Plug
- Material: Corrosion-resistant steel
- Finish: Smooth surface with press-fit design
- Condition: 100% Brand New
- Category: Engine Cooling System Components
- Standard: Built to Cummins OEM specifications
- Compatibility: Designed for various Cummins parts engine series (confirm with ESN)
✅ Key Features
- Provides a tight seal for coolant passages in engine blocks or heads
- Resists corrosion and withstands pressure from coolant systems
- Easy to install with interference fit—no adhesives required
- Durable construction ensures long-term reliability
- Matches seamlessly with other Cummins parts
🔧 Technical Insights
- Press-Fit Design: The plug is engineered for interference fitting to prevent leaks without welding or sealing compounds
- Durable Material: Constructed from high-quality steel that resists rust and thermal cycling
- OEM Precision: Matches factory specs for diameter, wall thickness, and tolerances
- Application Integrity: Helps maintain coolant pressure and protect engine performance
💡 Application Scenarios
The 3007635 Expansion Plug is ideal for:
- Sealing off coolant passages in diesel engine blocks and heads
- Preventing leaks caused by worn or missing factory-installed plugs
- Engine rebuilds or overhauls where all plugs are replaced preventively
- Heavy-duty vehicles and equipment powered by Cummins genuine parts
- Industrial power systems needing high-integrity coolant sealing
🚚 Availability
The Cummins Expansion Plug 3007635 is in stock and ready for worldwide delivery.
To ensure compatibility with your engine, please provide your Engine Serial Number (ESN). Our expert team is here to help confirm the correct fit and recommend additional Cummins parts if needed.
