PUROLATOR A21509
PUROLATOR part number A21509 is a air filter in the Fuel & Air system. This catalog matches it to 4 year-and-engine configurations from 2026 to 2026.
Verified fitment includes 2026 Mercedes-Benz CLA250 2.0L L4 Turbocharged ; 2026 Mercedes-Benz CLA35 Amg 2.0L L4 Turbocharged ; 2026 Mercedes-Benz GLA250 2.0L L4 Turbocharged ; 2026 Mercedes-Benz GLB35 Amg 2.0L L4 Turbocharged . See every vehicle this part fits.
Frequently Asked Questions
What is PUROLATOR A21509?
PUROLATOR part number A21509 is a air filter with published application data for 4 vehicle configurations from 2026 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does PUROLATOR A21509 fit?
This catalog matches A21509 to 4 year-and-engine configurations from 2026 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is PUROLATOR A21509 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. PUROLATOR A21509 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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