FORD E1AE-9F491-D4A Fuel Injection Idle Air Control Valve E1AZ-9F491-D

( Brand: Ford ), ( Fitment Type: Direct Replacement ), ( Manufacturer Part Number: E1AE-9F491-D4A ), ( Genuine Oem: Yes ), ( Material: Aluminum, Metal, Plastic ), ( Item Length: Fomoco ), ( Fuel Type: Gasoline ), ( Type: Fuel Valve ), ( Connector Color: Black ), ( Year Range: 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 ), ( Oe/oem Part Number: E1az-9f491-d, E1az9f491d ), ( Manufacturer Warranty: No Warranty ), ( Connector Type: Male ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: No )

Review FORD New Mercury Fuel Injection Idle Air Control Valve fits 1981–1990

The Ford E1AE-9F491-D 1981-1986 90 Mercury Fuel Injection Idle Air Control Valve E1AZ-9F491-D is an essential component of the fuel injection system in certain Mercury vehicles from that era. This valve plays a crucial role in maintaining proper engine idling and air-fuel mixture during cold starting conditions.

The valve body is constructed of a durable, heat-resistant material, such as cast aluminum, to ensure long-lasting performance. The valve features a diaphragm design, which allows it to respond quickly to engine conditions by regulating the amount of air entering the intake manifold. This results in smooth and consistent engine idling.

The valve is equipped with a vacuum-operated control mechanism. A vacuum hose connects to the valve, and when engine vacuum is present, it pulls the valve plunger down, allowing more air to enter the intake manifold and enriching the fuel-air mixture. Conversely, when engine vacuum is absent, the valve returns to its normal position, allowing less air to enter the intake manifold and lean out the fuel-air mixture.

This valve is crucial for maintaining optimal engine performance, particularly during cold starting conditions when the engine is not yet up to operating temperature. A malfunctioning or failing idle air control valve can lead to rough idling, stalling, and poor fuel economy.

To install the valve, simply remove the old valve from the intake manifold and replace it with the new one. Ensure that all gaskets and seals are in good condition and properly installed to prevent leaks. This valve is a direct replacement for the original part, ensuring a perfect fit and function.

In summary, the Ford E1AE-9F491-D 1981-1986 90 Mercury Fuel Injection Idle Air Control Valve E1AZ-9F491-D is a vital component of the fuel injection system in specific Mercury vehicles. Its diaphragm design and vacuum-operated control mechanism enable it to regulate air entering the intake manifold, ensuring smooth and consistent engine idling. This valve is a direct replacement for the original part and is essential for maintaining optimal engine performance.

Should You Buy the Ford E1AE-9F491-D 1981-1990 90 Mercury Fuel Injection Idle Air Control Valve E1AZ-9F491-D?

The Ford E1AE-9F491-D 1981-1990 90 Mercury Fuel Injection Idle Air Control Valve E1AZ-9F491-D is an essential part in maintaining the proper idle speed and air-fuel mixture in these specific Ford and Mercury vehicles. Here are some potential pros and cons to consider before making a purchasing decision.

1. OEM Part: This valve is a factory original part, ensuring a perfect fit and compatibility with your vehicle.

2. Improved Performance: A faulty idle air control valve can lead to poor engine performance, rough idling, and decreased fuel economy. Replacing it with a new one can restore the vehicle's original performance.

3. Smooth Idling: A properly functioning idle air control valve ensures smooth idling, making for a more comfortable driving experience.

4. Long-term Savings: By addressing the issue with the idle air control valve, you may avoid more extensive engine repairs down the line.

1. Cost: This specific valve may be priced higher than aftermarket alternatives or used parts, which can be a deterrent for some buyers.

2. Availability: Depending on your location and the availability of this part from dealers or local auto parts stores, it may take some time to receive the replacement part.

3. Installation Complexity: Depending on your mechanical skills and experience, installing this part may require some time and effort. Consulting a professional mechanic could add to the overall cost.

The Ford E1AE-9F491-D 1981-1990 90 Mercury Fuel Injection Idle Air Control Valve E1AZ-9F491-D is an essential component for maintaining proper engine performance and idle speed in affected vehicles. While it may come with a higher price tag than aftermarket alternatives or used parts, the benefits of a factory original part, improved performance, smooth idling, and long-term savings make it a worthwhile investment. If you're comfortable with the installation process or have access to a professional mechanic, this part can help restore your vehicle to its original condition.

part # e1ae9f491d4a price

• $89.00

specifications injectiopug:

• for makes: Mercury, Ford
• for years: 1981-1990
• brand: Ford
• fitment type: Direct Replacement
• manufacturer part number: E1AE-9F491-D4A
• genuine oem: Yes
• material: Aluminum, Metal, Plastic
• item length: Fomoco
• fuel type: Gasoline
• type: Fuel Valve
• connector color: Black
• year range: 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
• oe/oem part number: E1az-9f491-d, E1az9f491d
• manufacturer warranty: No Warranty
• connector type: Male
• country/region of manufacture: United States
• universal fitment: No

returns injectiopug:

• policy: No Returns

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New other see details

payments injectiopug:

• credit card: Diners-club
• other
• wallet: Apple-pay

offer injectiopug:

• options: Ship-to-home
• quantity: 1
• started: June 19, 2025
• availability: In Stock
• sold: 0
• best offers: True

shipping injectiopug:

• type: Fixed
• carrier: UPS
• cost: $0.00
• transit: 5-11 Days
• service: UPS Ground
• class: Standard

seller injectiopug:

• rating: 98.9%
• # reviews: 1538

Ford E1AE-9F491-D4A Is Similar To:

• Dtpd 5c3z-9d930-a 6.0l Ford 2003-2007 Powerstroke Diesel Fuel Injector Harness (31.4% similar) $75.00. (August 21st, 2024)
• Ford Truck 322-00146 1996 1997 F250 Oem Set Of Fuel Injector Parts 8 7.3 Sold For Rebuild (35% similar) $129.99–$491.99. (August 21st, 2024)
• For Ford Oe Specification 0445010804 6.7l Power Stroke Diesel Cp4 High Pressure Fuel Injector Pump 15-19 (35.4% similar) $399.90–$455.99. (August 23rd, 2024)
• Ford 322-05313 Fuel Injector Sensor Set Of 4 00-02 Focus Z-50-1p (34.2% similar) $62.10–$74.99. (August 24th, 2024)
• Ford Ej7e9a397bb Fuel Pump Shield For 15-18 Edge 2.0 Turbo (30.3% similar) $15.00–$24.95. (August 25th, 2024)
• Ford K2ge9a413ba Fuel Pump Housing For 19-23 Edge 2.0 Turbo (28.8% similar) $74.99–$84.15. (August 25th, 2024)
• Ford F1te-aa 87-94 Truck F150 F250 F350 Bronco 4.9l 300 Inline 6 Fuel Rail F1te (32.4% similar) $33.00–$200.00. (August 25th, 2024)
• Ford Truck 322-05407 Fuel Rail Only Injection Parts Injector 4-140 2.3l Fits 04-06 Ranger (33.9% similar) $38.95–$65.00. (August 26th, 2024)
• Ford Truck 322-00174 2008-10 F350sd 6.4l / Diesel Fuel Injector - Single (33.7% similar) $84.98–$98.59. (August 26th, 2024)
• Ford 3l3e6c261eb Left Variable Valve Camshaft Timing Solenoid 05-08 F-150 5.4 (24.6% similar) $19.95–$26.20. (August 27th, 2024)
• Ford Ej7e9b374ae Fuel Pump Housing For 17-19 Escape 2.0 (32.2% similar) $52.12–$241.13. (August 27th, 2024)