K&N E-0776 High-Flow Rectangular Air Filter for 2003-2009 Dodge Ram 2500/3500

Vehicle Fitment

• 2003-2009 Dodge Ram 2500 Pickup (5.9 L Diesel / Gas as specified by OEM)
• 2003-2008 Dodge Ram 3500 Pickup (5.9 L Diesel / Gas as specified by OEM)

Fitment Notes

• Direct drop-in replacement - designed to fit factory air-box dimensions on mentioned Ram models
• Ensure your air-box accepts a rectangular filter with base outside dimensions ~10.938" x 9.938" and height ~6.875" before installation

Features

• Washable and reusable cotton-gauze media for long service life
• High-flow design to maximize airflow and improve engine breathing over stock filters
• Pleated filter media traps dust and contaminants while maintaining airflow
• Layered construction with treated cotton gauze enhances filtration efficiency
• Pre-oiled and ready to install - no additional preparation required
• Durable construction designed for repeated cleaning cycles and long-term use
• Reusable design reduces long-term maintenance costs compared to disposable filters
• Drop-in installation - no modifications needed for compatible air-boxes

Specifications

• Filter Shape: Rectangular
• Base Outside Length: 10.938 in (278 mm)
• Base Outside Width: 9.938 in (252 mm)
• Base Inside Length: 7.313 in (186 mm)
• Base Inside Width: 6.313 in (160 mm)
• Top Outside Length: 7.500 in (191 mm)
• Top Outside Width: 6.500 in (165 mm)
• Height: 6.875 in (175 mm)
• Filter Material: Oiled Cotton Gauze
• Reusable / Washable: Yes

Included Components

• 1 x K&N E-0776 High-Flow Rectangular Air Filter

Product Description

The K&N E-0776 is a high-flow, washable and reusable rectangular air filter engineered as a direct drop-in replacement for 2003-2009 Dodge Ram 2500 and 2003-2008 Ram 3500 models with 5.9 L engines. Its cotton-gauze media and layered pleated construction are designed to improve airflow while effectively trapping dust and contaminants. The result can be better engine breathing, improved throttle response, and potential performance gains compared to conventional disposable paper filters.

Installation is straightforward - simply remove the OEM filter and install the E-0776 in the factory air-box, provided the air-box matches the filter dimensions listed above. Because the filter is reusable and washable, it offers long-term savings and reduced waste over the life of your vehicle. This makes E-0776 ideal for Ram owners who want a reliable, long-lasting filter that balances performance with durability and ease of maintenance.