Cummins X15, X12 DOC Filter 2018-2024: OEM 5509700RX

Enhance Exhaust Quality with Cummins X15 X12 DOC Filter 2018–2024 OEM 5509700RX

What is it?
The DOC Filter (OEM 5509700RX) for Cummins X15 and X12 engines (2018–2024) is a key emissions component that converts hydrocarbons (HC) and carbon monoxide (CO) into less harmful gases. Positioned early in the exhaust after-treatment system, it steadies exhaust flow and prepares gases for downstream treatment.

Why choose this DOC Filter?
Engineered specifically for the 2018–2024 Cummins X15 and X12 engine families, this filter ensures the correct fit and dependable emissions conditioning. A worn or restricted catalyst can lead to higher exhaust back-pressure, unstable regeneration events, and emissions fault codes—installing the right replacement helps restore stable exhaust performance.

Key Benefits
✅ Converts HC and CO into cleaner exhaust output
✅ Supports consistent performance of downstream after-treatment systems
✅ Helps reduce exhaust restriction and back-pressure
✅ Direct-fit design—no modifications required
✅ Built for heavy-duty use and high-temperature environments

Applications
Ideal for commercial trucks and heavy equipment powered by Cummins X15 or X12 engines (2018–2024) where emissions control, reliability, and system uptime are essential.

Installation Notes
Before installing, let the exhaust system cool completely. Inspect the DOC housing, clamps, seals, and exhaust connections for soot or wear. Replace all necessary gaskets and clamps for a secure, leak-free installation. After mounting the new DOC filter, clear any fault codes and verify proper exhaust flow and after-treatment behavior via system diagnostics.

Final Thoughts
If your engine is experiencing emissions faults, elevated back-pressure, or inefficient exhaust flow, the OEM 5509700RX DOC Filter is the tailored solution. With precise fitment and rugged construction, it helps your Cummins engine run cleaner, smoother, and more reliably.