1 / 192009 Chevrolet Lumina S Mass Air Flow (MAF) Sensor Used OEM 21994504 Genuine Chevrolet OEM Mass Air Flow (MAF) Sensor (part number 21994504). This sensor…
Product description
2009 Chevrolet Lumina S Mass Air Flow (MAF) Sensor Used OEM 21994504
Genuine Chevrolet OEM Mass Air Flow (MAF) Sensor (part number 21994504). This sensor measures the mass of air entering the engine intake, which is essential data for the ECU to calculate the correct air-fuel ratio. It is confirmed to fit the 2009 Lumina model, typically used on the 3.6L V6 engine. Replacement is required if the sensor is contaminated or fails, which can cause poor fuel economy, rough idling, hesitation during acceleration, and may trigger a check engine light.
Details
Vin: (6G1EK52B09L177991)
Model Year: 2009 (Adhering to user constraint)
Part Number: 21994504 (OE 21994504)
Compatibility: Fits Chevrolet Lumina S 2009 model year (Common on V6 3.6L engines).
Function: Measures the mass of air entering the engine for fuel metering.
Placement: Engine Bay, Mounted in the Air Intake Tube between the Air Box and Throttle Body.
- Condition: Used OEM, tested and in good working condition
At SalvageAutoPart, we’re proud to be one of the largest OEM auto parts sellers worldwide. Every part we offer is carefully pulled, inspected, and tested to ensure quality and reliability before being listed.
✔️ Genuine tested parts – no guesswork, no knock-offs
✔️ Fast, reliable shipping
✔️ Expert support – if you don’t see the exact fit for your replacement, simply reach out to us via eBay. Our team will gladly assist in finding the right part for your vehicle.
Buy with confidence knowing you’re getting authentic OEM parts backed by a trusted seller.
Always buy OEM!
OEM parts are built to factory specifications, ensuring the right fit, performance, and safety compared to aftermarket alternatives. We sell parts pulled from the vehicles. They are 100% compatible with original part numbers incase if you are looking to substitute part, please check with your car's part number and catalog.
⚠️ Fitment Note: Please verify compatibility with your vehicle’s VIN before purchase.
Vehicle compatibility
Verified fitment — high-confidence structured evidence
Compatibility table1 vehicle
Compatibility data comes from structured seller fitment and listing metadata. When in doubt, the OE number is the ground truth — match it against your vehicle’s parts catalog or ask our team.
Technical details
- Category
- Electrical
- Brand
- Chevrolet
- Manufacturer part number
- 21994504
- Condition
- Used
- Part source
- OEM
- Position
- Front
- Placement
- Front
- Brand type
- Chevrolet
- Country of origin
- Australia
Photos show the actual item where provided by the seller. Report inaccurate listings to our team.
