Description
Product Overview
The DUCRES Oil Pressure Relief Valve Gasket is a brand‑new, OEM‑compatible component designed specifically for Dodge trucks powered by Cummins 5.9L and 6.7L engines. Constructed from durable, heat‑resistant rubber compounds, the gasket delivers consistent pressure regulation and prevents oil leakage under demanding operating conditions. Its precise dimensions match the original part numbers 3936365, 3902338, and 3927622, ensuring a seamless installation without the need for modifications.
![[Product front view showing all components]](https://www.galaxybuy.store/wp-content/uploads/2026/06/e92c4906de6e413cbd1064f0bc776fc6.jpg)
Usage
This gasket is intended for use in heavy‑duty diesel applications, including on‑road and off‑road Dodge trucks, as well as industrial equipment that utilizes Cummins 4BT, 6BT, 6CT, ISB, QSB, ISC, and ISL series engines. Whether you are performing routine maintenance, rebuilding an engine, or replacing a failed valve, the DUCRES gasket provides reliable performance in high‑temperature environments and under high pressure cycles.
Why Choose Us
Choosing DUCRES means selecting a manufacturer with a reputation for precision engineering and rigorous quality control. Each gasket undergoes multiple inspections, including dimensional verification and material testing, to meet or exceed OEM specifications. Our commitment to customer satisfaction includes a responsive support team and a hassle‑free return policy, giving you confidence in every purchase.
Key Features
- Exact OEM fit for Cummins 5.9L and 6.7L engines eliminates guesswork during installation.
- High‑temperature resistant rubber resists cracking and deformation, extending service life.
- Maintains optimal oil pressure to protect engine components and improve fuel efficiency.
- Corrosion‑resistant formulation prevents degradation from exposure to diesel additives.
- Dedicated customer support and easy return process for peace of mind.
FAQ
Is this gasket compatible with all Dodge models that have Cummins engines?
Yes, the gasket is designed for Dodge trucks equipped with Cummins 5.9L and 6.7L engines, covering model years 1989‑2018.
Do I need any special tools to install the gasket?
Installation requires standard hand tools such as a torque wrench and gasket scraper. No specialized equipment is necessary.
Can I use this gasket on industrial Cummins engines?
Absolutely. The gasket is also compatible with Cummins 4BT, 6BT, 6CT, ISB, QSB, ISC, and ISL series engines commonly found in industrial applications.
What warranty does DUCRES provide?
DUCRES offers a one‑year limited warranty covering manufacturing defects, backed by a responsive after‑sales service team.
How does this gasket improve engine performance?
By maintaining proper oil pressure, the gasket reduces wear on bearings and seals, leading to smoother operation and longer engine life.




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