Description
Product Overview
The Interstate-McBee fuel pump gasket is a high‑quality replacement component designed specifically for the front pump area of Cummins N14 engines. Manufactured with a blend of reinforced rubber and fuel‑resistant polymers, the gasket provides a reliable seal that prevents fuel leakage and protects surrounding components. Part number 3803478 matches the original equipment specifications, ensuring a direct fit without the need for modifications. The gasket’s dimensions are engineered to align perfectly with the pump housing, delivering consistent pressure distribution and long‑term durability even under demanding operating conditions.
![[Product front view showing all components]](https://www.realshop.store/wp-content/uploads/2026/06/6c96f6570c2c426da29ecdb1cd302665.jpg)
Usage
This gasket is intended for use in heavy‑duty applications where Cummins N14 engines are employed, such as in commercial trucks, construction equipment, and agricultural machinery. It is ideal for both original equipment manufacturers and independent repair shops performing routine maintenance or addressing fuel system failures. Installation is straightforward: remove the old gasket, clean the mating surfaces, and press the new gasket into place. The design accommodates standard torque specifications, making it suitable for technicians familiar with diesel engine service procedures. Whether you are performing a scheduled overhaul or an emergency repair, this gasket restores proper fuel flow quickly and efficiently.
Why Choose Us
Interstate-McBee has a reputation for producing durable, OEM‑compatible parts that meet rigorous industry standards. Each gasket undergoes a multi‑stage quality control process, including dimensional verification, material testing, and leak testing, to guarantee performance that matches or exceeds the original component. Our supply chain ensures that you receive the exact part you need without delays, and our customer support team is available to assist with technical questions, installation guidance, and warranty claims. Choosing this gasket means investing in a product that combines proven engineering, reliable fit, and responsive after‑sales service.
Key Features
- Precision‑engineered to match OEM specifications for a perfect fit
- Fuel‑resistant polymer blend prevents degradation and leaks
- Easy installation reduces labor time and minimizes downtime
- Durable construction withstands high pressure and temperature cycles
- Dedicated customer support and warranty coverage for peace of mind
FAQ
Is this gasket compatible with all Cummins N14 models?
Yes, the part is designed to fit any Cummins N14 engine that uses the original front fuel pump gasket, regardless of the vehicle application.
Do I need any special tools to install the gasket?
No special tools are required. Standard hand tools and a torque wrench for the pump bolts are sufficient for proper installation.
What warranty does Interstate-McBee provide for this part?
The gasket comes with a limited one‑year warranty covering defects in material or workmanship, backed by our dedicated support team.
Can I use this gasket on a rebuilt engine?
Absolutely. The gasket is suitable for both new and rebuilt engines, providing the same reliable seal in either case.
How does this gasket compare to the OEM part?
It matches the OEM dimensions and material properties, offering comparable performance at a more affordable price point.




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