Cummins Rectangular Ring Seal C3936876 – Durable Seal for Engine Reliability
The Cummins Rectangular Ring Seal C3936876 is designed to ensure tight, leak-free connections in diesel engine systems. Crafted for durability and precision, this seal is commonly used in various high-pressure zones where reliable sealing is critical. Built to meet strict OEM standards, it integrates seamlessly into Cummins parts, Cummins genuine parts, and DCEC parts systems.
📦 Specifications
- Part Number: C3936876
- Part Name: Rectangular Ring Seal
- Material: High-grade rubber compound
- Shape: Rectangular profile with precision-fit edges
- Condition: 100% Brand New
- Application: Sealing engine components exposed to oil, coolant, or combustion gases
- Compatibility: Fits a wide range of DCEC parts and Cummins genuine parts assemblies
- Standard: Manufactured according to Cummins OEM specifications
✅ Key Features
- Leak Prevention: Forms a tight seal between metal engine components
- High Heat Resistance: Maintains shape and elasticity under elevated temperatures
- Oil and Coolant Resistant: Designed to resist breakdown in chemical-rich environments
- Long Service Life: Withstands pressure cycles and vibration without cracking
- OEM Fitment: Compatible with multiple Cummins parts and DCEC parts applications
🔧 Technical Insights
The Cummins C3936876 Rectangular Ring Seal uses a robust elastomer formula engineered for the intense conditions within diesel engines. Its rectangular shape provides greater surface contact than traditional round seals, delivering improved sealing under fluctuating temperatures and pressures.
Thanks to tight manufacturing tolerances, the seal ensures a snug fit—reducing the chances of premature wear or system leaks. Whether you’re maintaining your engine or performing a full rebuild, using Cummins genuine parts like this seal helps maintain peak engine performance.
💡 Application Scenarios
The Rectangular Ring Seal C3936876 is ideal for:
- 🔧 Cylinder head assemblies where oil and coolant sealing is required
- 🚜 Heavy-duty construction engines using DCEC parts under harsh environments
- 🚛 Long-haul diesel trucks requiring consistent sealing for reliability
- 🏗 Industrial generator sets operating under continuous thermal cycles
- 🛠 Engine repairs or overhauls involving Cummins genuine parts
🚚 Availability
This ring seal is in stock and available for global delivery.
For guaranteed compatibility, please provide your engine serial number (ESN). Our team is ready to assist in verifying fitment across your Cummins parts and DCEC parts configurations.
