Bosch Engine Air Filter P/N:5279WS
Keep clean, filtered air flowing into the engine with the Bosch Engine Air Filter 5544WS. This replacement air filter drops in for a wide range of applications, including the 1968-1981 Checker Marathon, 1968-1975 Chevrolet Bel Air, 1968-1972 Chevrolet Biscayne, 1968-1990 Chevrolet Caprice, and 1968-1985 Chevrolet Impala — with 164 applications in total, see the Buyer's Guide tab for the full list.
Signs the air filter may need replacing include a visibly dirty or clogged element, reduced airflow, or a filter that is past its service interval. If a restricted or dirty air filter is the cause of your symptoms, this replaces it. Always confirm fitment for your vehicle using the Buyer's Guide tab.
Interchange: Manufacturer part number 5544WS.
What does this air filter do?
It screens dust, dirt, and airborne debris out of the air entering the engine, helping keep proper airflow for normal engine operation.
Will the Bosch 5544WS fit my vehicle?
It's cataloged for 164 applications, including many classic GM cars and trucks. Check the Buyer's Guide tab to confirm fitment for your exact year, make, and model.
How do I know when to replace my air filter?
Signs include a visibly dirty or clogged element or reduced airflow. Replace it per your vehicle's maintenance schedule or when the element is soiled.
What is the manufacturer part number?
This is Bosch Engine Air Filter, manufacturer part number 5544WS.
Will a new air filter improve performance?
A clean filter helps restore proper airflow for normal engine performance and supports normal fuel economy; it is not a horsepower upgrade.
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.