Doc's Diesel Engine Air Filter DPA5512 for Dodge RAM 5.9L Cummins (2003-2007) | Replaces AF4177

Designed for diesel engines that work as hard as you do

Doc's Diesel Premium Engine Air Filters are built to block dirt, dust, and debris that can wear on a motor over time. The DPA5512 model is paired with a heavy-duty silicone gasket that seals tightly, even in rough, dusty environments. Deep pleated filter paper traps grime more effectively, helping your truck run longer and more efficiently.

Key filtration features

Experience a robust filtration system designed for demanding diesel use. The DPA5512 combines a tight seal with extra filtration surface, so air entering the engine is cleaner and more consistent.

• Heavy-duty silicone gasket for a reliable seal in dusty conditions
• Deep pleated filter paper increases grime-trapping surface
• Rugged construction built for hard-working engines

Compatibility and interchange

The DPA5512 fits the Dodge Ram 5.9L Cummins engines from 2003 through 2007. It replaces the OEM AF4177 and is interchangeable with several popular brands.

• Replaces AF4177
• Interchanges with Wix 42846
• Interchanges with Baldwin PA4162
• Interchanges with Premium Guard PA5512
• Interchanges with Purolator AF45512

Performance and testing

Third‑party testing highlights the filter’s dust management, with a reported 99.25% filtration benchmark and a 344.2 g dust‑holding capacity. These figures suggest strong dust handling without detailing guarantees.

Real‑world use and maintenance

In real driving scenarios, you may notice cleaner intake air and steadier operation in dusty settings. The design aims to support prolonged engine life, with a service interval guided by your vehicle’s warranty and usage patterns.

Replacement guidelines

Change according to your vehicle’s warranty. Typical intervals are 5,000–10,000 miles, or up to 12,000 miles maximum, depending on driving conditions and duty cycle.

What you get

Doc's Diesel Premium Engine Air Filter DPA5512 focuses on long‑term filtration performance and a compatible, straightforward upgrade path for your Dodge Ram 5.9L Cummins.