Description
Ford 6.4L Powerstroke Air Filter FA1886 (2008-2010)
The FA1886 Engine Air Filter is the OEM-spec replacement for 2008-2010 Ford 6.4L Powerstroke engines. The 6.4L's twin-turbo sequential turbocharger system demands maximum airflow — a restricted filter causes turbo imbalance, high EGTs, and during DPF regeneration, dangerously elevated exhaust temperatures.
Specifications
| Part Number |
FA1886 |
| OEM Cross-Reference |
7C3Z-9601-B, AF27687, CA10270 |
| Fitment |
2008-2010 F-250, F-350, F-450, F-550 6.4L; 2011 F-53 6.8L V10 |
| Service Interval |
Every 30,000 miles (20,000 if towing or dusty conditions) |
6.4L DPF Regeneration: Extra Demand on Air Filters
During active DPF regeneration, the 6.4L injects fuel on the exhaust stroke to raise EGTs to 1,100°F+. This process increases overall engine load and air demand. A restricted air filter during regen creates a dangerously rich mixture, accelerating soot accumulation and increasing the frequency of regeneration cycles — a destructive feedback loop.
FAQ
Q: How often to change 6.4L air filter?
A: 30,000 miles normal, 20,000 miles if towing heavy or in dusty conditions. The 6.4L's DPF system makes air filtration more critical than naturally-aspirated engines.
Q: Can a dirty filter cause DPF problems?
A: Indirectly, yes. Restricted airflow → rich mixture → increased soot → more frequent DPF regens → higher EGTs → accelerated engine wear. A $30 air filter saves thousands in DPF-related repairs.
