1991 Ford Aerostar Air- Fuel Ratio Sensors

Your 1991 Ford Aerostar might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Air- Fuel Ratio Sensors you desperately need.

We currently carry 4 Air- Fuel Ratio Sensors to choose from for your 1991 Ford Aerostar, and our inventory prices range from as little as $44.97 up to $69.93.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Air- Fuel Ratio Sensors for the 1991 Ford Aerostar. We only sell parts from trusted brands like Bosch so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 2 reviews on our Air- Fuel Ratio Sensors for the 1991 Ford Aerostar from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Air- Fuel Ratio Sensors stock in-person!

Air- Fuel Ratio Sensors for Your 1991 Ford Aerostar

NTK – NTK Oxygen Sensor (Part No.C501062939NTK)

NTK Oxygen Sensor

from

$58.67
NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. NTK oxygen sensors meet or exceed original equipment specifications and are equipped with waterproof factory fitted connectors to ensure a perfect fit every time. Every NTK oxygen sensor is individually tested to ensure the highest level of quality and reliability.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
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DENSO – Universal Oxygen Sensor (Part No.C5010100820ND)

Universal Oxygen Sensor

from

$69.93
Denso Universal First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor. Denso First Time Fit oxygen sensors are coated with a special formulation of aluminum oxide to trap impurities outside of the ceramic element. In head-to-head testing against the leading competitors, DENSO oxygen sensors were rated two times more resistant to silicone and lead poisoning.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
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Bosch – Universal Oxygen Sensor (Part No.C5010100329BOS)

Universal Oxygen Sensor

from

$61.31
The Bosch universal oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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Bosch – Oxygen Sensor (Part No.C5010164952BOS)

Oxygen Sensor

from

$44.97
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
See More

FAQs for 1991 Ford Aerostar Air- Fuel Ratio Sensors

What are the most popular Air- Fuel Ratio Sensors for the 1991 Ford Aerostar?

With 3 brands you can trust, our most popular Air- Fuel Ratio Sensors for the 1991 Ford Aerostar parts are:
NTK Oxygen Sensor
from $58.67
(1)
NTK Oxygen Sensor
Air- Fuel Ratio Sensors
Oxygen Sensor
from $44.97
This product is not rated
Oxygen Sensor
Air- Fuel Ratio Sensors
Universal Oxygen Sensor
from $61.31
This product is not rated
Universal Oxygen Sensor
Air- Fuel Ratio Sensors