Bosch Cabin Air Filter P/N:P3929WS
Bosch P3671WS cabin air filter for the 2000-2004 Ford Focus and other vehicles traps dust from the air before it reaches the cabin. Following the recommended replacement schedule helps keep the HVAC system running efficiently.
Weak airflow from the vents, a musty smell or more dust inside the cabin can mean the filter is worn, though the blower motor and the evaporator can also be behind these signs.
This cabin air filter is designed and tested as a direct OE replacement for the 2000-2004 Ford Focus and the 2010-2013 Ford Transit Connect, which take one filter apiece.
One cabin air filter.
Product information is for general reference and may contain errors. See our Disclaimer.
Is this the right cabin air filter for the 2000-2004 Ford Focus?
Yes. Bosch P3671WS fits the 2000-2004 Ford Focus, and the car takes one filter.
Is this a Bosch HEPA cabin air filter?
No. The Bosch P3671WS is a particulate cabin air filter, not a HEPA filter. Its multi-layer construction traps over 97.5% of dust particles 3 microns or larger.
Does this Bosch cabin filter have an activated carbon layer for odors?
No. This filter has no activated carbon pre-filter for odor removal. Its filter material is spunbound polyester along with synthetic meltblow fibers.
Does this listing include other Bosch car filters?
No. This listing is one cabin air filter; other car filters, such as an engine air filter, are sold separately.
How often should I change this Bosch cabin air filter?
The recommended replacement interval for the Bosch P3671WS is 12000 mi.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.