1991 Ford Explorer Oxygen Sensors & Components
- TRQ®Upstream O2 Oxygen SensorFord Explorer 1991, Upstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$37.95Save: $1.90 (5%)$36.05
- Walker Products®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Walker Products®. Position: Upstream. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...High quality at an affordable priceExpertly made from premium materials$27.42
- Denso®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso....High quality plastic and/or steel constructionDirect replacement for a proper fit every time$30.99
- Bosch®Premium Narrow-band Oxygen SensorFord Explorer 1991, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen...OE Identical ConnectorCompact Design$25.33 - $27.43
- Walker Products®Premium Oxygen SensorFord Explorer 1991, Premium Oxygen Sensor by Walker Products®. Position: Upstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...Improved Engine Response & PerformanceLower Emissions$35.55
- NTK®Oxygen SensorFord Explorer 1991, Oxygen Sensor by NTK®. Position: Upstream. Location: B1S1. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$33.72
- Spectra Premium®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Spectra Premium®. Position: Upstream. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$31.13
- Denso®Universal Fit Oxygen SensorFord Explorer 1991, Universal Fit Oxygen Sensor by Denso®. Position: Upstream. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$43.98
- Bosch®Universal Fit Narrow-band Oxygen SensorFord Explorer 1991, Universal Fit Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. Universal Oxygen Sensors with OE SmartLink™ are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum...Patented SmartLink™ connector systemNo special tools required for installation$32.57
- Delphi®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Delphi®. Position: Front. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$43.00
- Standard®Oxygen Sensor ConnectorFord Explorer 1991, Oxygen Sensor Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$13.45
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair KitOE Solutions™ Oxygen Sensor Bung Repair Kit by Dorman®. Why replace an exhaust pipe because of a corroded, stripped or damaged oxygen sensor bung? Save the pipe and replace the bung with this weld-on replacement. Standard O2 sensor...Repair-friendly solution - this oxygen sensor bung allows replacement of a damaged fitting without replacing the entire exhaust componentUniversal fitment - designed to accommodate standard oxygen sensor threads$9.63 - $11.08
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair KitOE Solutions™ Oxygen Sensor Bung Repair Kit by Dorman®. Why replace an exhaust pipe because of a corroded, stripped or damaged oxygen sensor bung? Save the pipe and replace the bung with this weld-on replacement. Standard O2 sensor...Repair-friendly solution - this oxygen sensor bung allows replacement of a damaged fitting without replacing the entire exhaust componentUniversal fitment - designed to accommodate standard oxygen sensor threads$9.61 - $11.35
- ReplacementOxygen SensorFord Explorer 1991, Oxygen Sensor by Replacement. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Replacement will last...Expertly crafted from premium materialsDesigned to match rigorous quality standards$8.75 - $9.62
- Aceon®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Aceon®. Position: Upstream. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made with precision and quality in mindDesigned to meet your specific needs$28.37
- Ramco®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Ramco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Guaranteed to provide ultimate strength and durabilityMeticulously Tested for the ultimate in quality$53.90
- TruParts®Oxygen SensorFord Explorer 1991, Oxygen Sensor by TruParts®. Position: Upstream. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$21.90
- CRS®Oxygen SensorFord Explorer 1991, Oxygen Sensor by CRS®. Position: Upstream. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Compliant with the most strict standards for qualityDesigned to comply with the highest quality standards$24.67
- Herko®Oxygen SensorFord Explorer 1991, Oxygen Sensor by Herko®. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system functionality needed to keep...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$26.32 - $26.34
- ReplacementOxygen Sensor SetFord Explorer Eddie Bauer / Sport / XL / XLT 1991, Oxygen Sensor Set by Replacement. Location: Before Catalytic Converter. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Expertly crafted from premium materialsDesigned to match rigorous quality standards$19.23
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