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Parts for your Chevrolet Impala

Chevrolet Impala Air Pumps

Buy Chevrolet Impala air pumps online to clear a secondary air code and pass your emissions test. We list 15 secondary air injection pumps for 1979-2014 Impala models, priced from $96.98 to $253.58. Fitment covers engines from the 5.0L V8 to the 3.4L, 3.5L, 3.6L and 3.8L V6 and the 2.4L and 2.5L four-cylinder, from AC Delco, Dorman, Standard Motor Products, A1 Cardone, SKP and API.

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15 parts

Which Impala air pump you need

First make sure you need the right kind of pump. The parts here are secondary air injection pumps, which blow fresh air into the exhaust for emissions control on a cold start. They are not air suspension compressors or A/C compressors, even though all three are sometimes called an air pump.

Fitment then depends on engine and emissions setup. Listings note engine codes such as the 3.5L LZ4, the 3.6L LFX and the 2.5L LKW, and some apply only to cars with California emissions. The 1979-1985 rear-drive cars, the 2000-2013 front-drive sedans and the 2014 model all use different pumps. Compare connector, ports and mounting with your old pump.

Signs of a failing air pump

Most of the time the car drives normally, and the only clue is a check engine light or a failed emissions test. You might also hear the pump running louder than usual, or grinding, right after a cold start. Common codes are P0410, P0411 and P0491.

Water getting into the pump and motor failure are common causes, but the pump is not always to blame. A stuck check valve, a blocked air passage, a bad relay or damaged wiring and hoses can set the same codes. Check those before you buy a pump, or the code may return.

Installing an Impala air pump

Read what each listing includes. Some are the pump only, while others come with a bracket, hose or valve. Compare the mounting points, hose ports and electrical connector with the unit you removed.

Before the new pump goes in, inspect the air pipes, the check valve and the passages, and test the relay and wiring. Find the source of any water that got into the old pump and fix it, or the new one may fail the same way. After installation, clear the codes and confirm they do not return.

More about air pumps

Read our air pumps buying guide for how the part works and what to look for in any vehicle.

Read the air pumps buying guide

Impala questions

Is an Impala air pump the same as an air suspension compressor?

No. The parts on this page are secondary air injection pumps for emissions. An air suspension compressor and an A/C compressor are different parts, so confirm which one your car needs before ordering.

What codes point to a bad air pump on an Impala?

Common secondary air codes are P0410, P0411 and P0491. They can also come from a stuck check valve, blocked passages, a relay or wiring, so diagnose the system before replacing the pump.

Do California emissions Impalas use a different air pump?

Some listings here apply only to cars with California emissions, so emissions certification can change the part. Check your emissions label and the fitment table for your engine.

Not sure it fits?Tell us your year, make and model and we will check the part for you.