OEM Mercury Air Pump Check Valve

Air Injection Reaction Check Valve

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Model

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

4 Air Pump Check Valves found

View related parts
Mercury Check Valve Part Number: E8DZ-9A487-A
Product Specifications
- Other Name: Valve Assembly - One-Way; Secondary Air Injection Check Valve; Diverter Valve; Valve Assembly - Non Return
Fits the following Mercury Models:
- Cougar | 1987-1988, 1984 | Base, LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Marquis | 1984 | Base, Brougham | 6 Cyl 3.8 L GAS
- Sable | 1986-1991 | GS, LS | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Topaz | 1984 | Base, GS, LS | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.3 L GAS
View More
View related parts
Mercury Check Valve Part Number: E9VZ-9A487-A
Product Specifications
- Other Name: Valve Assembly - One-Way; Secondary Air Injection Check Valve; Diverter Valve; Pulse Air Valve; Valve Assembly - Non Return
Fits the following Mercury Models:
- Cougar | 1984-1988 | Base, LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Marquis | 1984-1986 | Base, Brougham | 6 Cyl 3.8 L GAS
View related parts
Mercury Check Valve Part Number: E7TZ9A487A
Product Specifications
- Other Name: Valve Assembly - One-Way; Secondary Air Injection Check Valve; Diverter Valve; Valve Assembly - Non Return
Fits the following Mercury Models:
- Capri | 1984-1986 | 5.0, GS, RS, RS Turbo | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Check Valve Part Number: D9AZ9A487C
Product Specifications
- Other Name: Valve Assembly - One-Way; Secondary Air Injection Check Valve; Diverter Valve; Pulse Air Valve; Valve Assembly - Non Return
Fits the following Mercury Models:
- Cougar | 1984-1986 | Base, LS, XR-7 | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Marquis | 1984-1986 | Base, Brougham | 4 Cyl 2.3 L GAS, 4 Cyl 2.3 L LPG, 6 Cyl 3.8 L GAS

Mercury Air Pump Check Valve

If you own Mercury and want to keep it in top shape, choosing OEM Air Pump Check Valve is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Air Pump Check Valve at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

A Mercury Air Pump Check Valve is a valve found in the secondary air system that prevents the reverse flow of exhaust gases. As a result, airflow to the manifold is guaranteed. Mercury earned a name for plush rides, crisply lined exteriors, and cabins spacious enough for tall passengers to stretch without banging elbows. With a steering system that encourages active driver engagement, the Mercury suspension ably soaked up potholes that rattled rival makes. Packed in thick insulation and padded panels that masked wind and tire howl, the interior teams made conversations easy at highway speed. The big clear gauges and uncomplicated switchgear allow anyone to instinctively find the controls, boosting confidence while driving at night. Models like the Cougar and Grand Marquis show that comfort doesn't have to kill value, as Mercury was able to balance upscale with prices that are sensible. As technology developed, the brand continued to optimize seat ergonomics, climate tuning, and quietness to stay ahead of the game. Before replacing the Air Pump Check Valve, disconnect the battery and relieve pressure. Detach the water outlet from the air pump while noting the flow direction in the manifold. Once you have done that, loosen the clamps on your worn valve. Finally, take it out of the manifold. Examine hoses, remove any brittle portions, then insert the replacement Air Pump Check Valve with the arrow facing the manifold. Tighten all the clamps securely, push the hoses all the way home, reconnect the battery, start your Mercury, and listen. The absence of hissing noise or warning light indicates that the final Air Pump Check Valve is working and the job is done.