Cummins Valve Cover 3902604 – Reliable Protection for Your Engine’s Top End
The Cummins Valve Cover 3902604 is built to protect the upper section of your diesel engine, sealing in vital lubrication while keeping out dirt and debris. This part helps maintain engine cleanliness and performance by shielding the rocker arms, valves, and other moving components. As part of the Cummins genuine parts lineup, it ensures compatibility and long-term durability.
Whether you’re servicing a worn cover or performing a full rebuild, this valve cover offers a dependable solution across multiple Cummins parts configurations.
📦 Specifications
- Part Number: 3902604
- Part Name: Valve Cover
- Material: High-strength aluminum alloy or composite (depends on engine version)
- Finish: Factory-coated for heat and corrosion resistance
- Condition: 100% Brand New
- Category: Engine Covers & Components
- Origin: Manufactured to strict Cummins OEM standards
- Compatibility: Designed for select Cummins parts engine families (verify using ESN)
✅ Key Features
- Effectively seals the top of the cylinder head to retain oil
- Helps reduce oil leaks and engine bay contamination
- Withstands high engine temperatures and vibration
- Works perfectly with OEM gaskets and fasteners
- Ensures proper ventilation when used with factory breather systems
🔧 Technical Insights
The 3902604 Valve Cover features a precision-molded design that fits tightly over the cylinder head. Its robust construction handles both mechanical stress and heat cycling, making it suitable for long-term engine performance. In addition, the cover includes precise bolt holes and sealing surfaces to ensure it mounts cleanly without warping.
Because it matches Cummins genuine parts tolerances, this valve cover supports efficient installation and low maintenance over time.
💡 Application Scenarios
You’ll commonly find the Cummins 3902604 Valve Cover used in:
- 🔹 On-highway trucks with mid-range diesel engines
- 🔹 Industrial power units using original Cummins parts
- 🔹 Agricultural machines operating in dusty environments
- 🔹 Fleet vehicles undergoing regular top-end service
- 🔹 Engine rebuilds where sealing and protection are critical
🚚 Availability
This Cummins Valve Cover is in stock and ready for worldwide delivery.
To ensure perfect fitment, we recommend providing your Engine Serial Number (ESN). Our technical team is here to assist with any part-matching questions.